.env.example

@@ -1,6 +1,5 @@
 DATABASE_URL=postgres://postgres:postgres@localhost:5432/chattz
 PORT=3000
-APP_BASE_URL=http://localhost:3000
 
 # Authentik OIDC app values
 OIDC_CLIENT_ID=replace-me
@@ -17,9 +16,13 @@ TURN_URLS=turn:turn.example.com:3478?transport=udp,turn:turn.example.com:3478?tr
 TURN_USERNAME=replace-me
 TURN_PASSWORD=replace-me
 
+# 32+ random chars; used to sign session cookies
+SESSION_SECRET=replace-with-long-random-secret
+COOKIE_SECURE=false
+
 # Cloudflare R2 media uploads
 R2_ACCOUNT_ID=replace-me
 R2_ACCESS_KEY_ID=replace-me
 R2_SECRET_ACCESS_KEY=replace-me
 R2_BUCKET=chattz-media
-MEDIA_BASE_URL=https://media.example.com
+R2_PUBLIC_BASE_URL=https://media.example.com

Cargo.lock

@@ -675,14 +675,13 @@ dependencies = [
  "chrono",
  "dotenvy",
  "futures-util",
+ "jsonwebtoken",
  "reqwest",
  "sea-orm",
  "sea-orm-migration",
  "serde",
  "serde_json",
- "sha2",
  "tokio",
- "tower",
  "tower-http",
  "tracing",
  "tracing-subscriber",
@@ -1649,6 +1648,21 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "jsonwebtoken"
+version = "9.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a87cc7a48537badeae96744432de36f4be2b4a34a05a5ef32e9dd8a1c169dde"
+dependencies = [
+ "base64",
+ "js-sys",
+ "pem",
+ "ring",
+ "serde",
+ "serde_json",
+ "simple_asn1",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -1811,6 +1825,16 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
+dependencies = [
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-bigint-dig"
 version = "0.8.6"
@@ -1943,6 +1967,16 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "pem"
+version = "3.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d30c53c26bc5b31a98cd02d20f25a7c8567146caf63ed593a9d87b2775291be"
+dependencies = [
+ "base64",
+ "serde_core",
+]
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -2731,6 +2765,18 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "simple_asn1"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d585997b0ac10be3c5ee635f1bab02d512760d14b7c468801ac8a01d9ae5f1d"
+dependencies = [
+ "num-bigint",
+ "num-traits",
+ "thiserror",
+ "time",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.12"
@@ -3085,6 +3131,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "743bd48c283afc0388f9b8827b976905fb217ad9e647fae3a379a9283c4def2c"
 dependencies = [
  "deranged",
+ "itoa",
  "num-conv",
  "powerfmt",
  "serde_core",

Cargo.toml

@@ -10,15 +10,14 @@ aws-sdk-s3 = { version = "1", default-features = false, features = ["rt-tokio",
 axum = { version = "0.8", features = ["macros", "ws", "multipart"] }
 chrono = { version = "0.4", features = ["serde"] }
 dotenvy = "0.15"
+jsonwebtoken = "9"
 reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls"] }
-sea-orm = { version = "1.1", default-features = false, features = ["sqlx-postgres", "runtime-tokio-rustls", "macros", "with-chrono", "with-uuid", "mock"] }
+sea-orm = { version = "1.1", default-features = false, features = ["sqlx-postgres", "runtime-tokio-rustls", "macros", "with-chrono", "with-uuid"] }
 sea-orm-migration = { version = "1.1", default-features = false, features = ["sqlx-postgres", "runtime-tokio-rustls"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-sha2 = "0.10"
 futures-util = "0.3"
-tokio = { version = "1", features = ["fs", "io-util", "macros", "rt-multi-thread"] }
+tokio = { version = "1", features = ["macros", "rt-multi-thread"] }
-tower = { version = "0.5", features = ["util"] }
 tower-http = { version = "0.6", features = ["trace", "fs"] }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt"] }

README.md

@@ -8,7 +8,7 @@ A simple single-instance Discord-style monolith in Rust using:
 ## What this includes
 
 - OIDC login flow (`/auth/login`, `/auth/callback`, `/auth/logout`)
-- HttpOnly session cookie auth
+- Signed session cookie auth
 - Channel voice chat over WebRTC (P2P mesh) with server WebSocket signaling
 - Guild invite codes (create + join)
 - Direct messages (DM) between users
@@ -41,11 +41,6 @@ For voice reliability on restrictive networks, configure TURN in `.env`:
 - `TURN_USERNAME`
 - `TURN_PASSWORD`
 
-For production deployments:
-- `APP_BASE_URL` must be your public app origin and should use `https`
-- `MEDIA_BASE_URL` should be a separate media origin for user uploads
-- uploads and soundboard require R2/object storage to be configured
-
 3. Run app:
 
 ```bash
@@ -60,7 +55,7 @@ Web UI is available at `http://localhost:${PORT}/`.
 ## Authentik setup notes
 
 Create an Authentik OAuth2/OIDC provider + application and set:
-- Redirect URI: `${APP_BASE_URL}/auth/callback`
+- Redirect URI: `http://localhost:3000/auth/callback`
 - Scopes including at least: `openid profile email`
 
 If you change `PORT`, update `OIDC_REDIRECT_URL` and this redirect URI to match.
@@ -96,7 +91,6 @@ For Authentik these are commonly under `/application/o/...` for the app slug.
 - `GET /channels/:channel_id/voice/ws` (WebSocket signaling)
 
 All endpoints except health and auth flow require the session cookie from successful login.
-Authenticated WebSocket connections (`/ws`, `/channels/:channel_id/voice/ws`) also use the same cookie session.
 
 ## Notes
 
@@ -104,7 +98,6 @@ This is intentionally minimal and monolithic (single process, single Postgres in
 Voice is implemented as browser-to-browser WebRTC audio with signaling in this server.
 For two users behind strict NAT/firewall, you may need TURN for reliable connectivity.
 The web UI remembers the last selected guild in browser local storage and auto-selects it on reload.
-User uploads are served from the configured media origin, not from `/static`.
 
 Mic filter modes in the UI:
 - `NSNet2 (Compat)`: always-on denoising mode (implemented using DeepFilterNet3 with lighter suppression preset)

desktop/index.html

@@ -6,9 +6,12 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
   <title>Chattz</title>
+  <link rel="preconnect" href="https://fonts.googleapis.com">
+  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
   <link rel="stylesheet" href="../static/styles.css" />
   <!-- Lucide Icons -->
-  <script src="../static/vendor/lucide.min.js"></script>
+  <script src="https://unpkg.com/lucide@latest"></script>
 </head>
 
 <body>
@@ -266,16 +269,6 @@
     </div>
   </div>
 
-  <div id="upload-limit-modal" class="modal-container hidden">
-    <div class="modal">
-      <h2>Upload Too Large</h2>
-      <p id="upload-limit-message" class="modal-copy">Uploads are limited to 50 MB per file.</p>
-      <div class="modal-footer">
-        <button type="button" class="submit-btn" id="upload-limit-ok">OK</button>
-      </div>
-    </div>
-  </div>
-
   <script type="module" src="app.js?v=20260227-shared-core-1"></script>
 </body>
 

desktop/preload.js

@@ -1,20 +1,18 @@
 const { contextBridge, ipcRenderer } = require('electron');
 
-function onIpc(channel, callback) {
-    const listener = (_event, payload) => callback(payload);
-    ipcRenderer.on(channel, listener);
-    return () => ipcRenderer.removeListener(channel, listener);
-}
-
 contextBridge.exposeInMainWorld('electronAPI', {
     copyToClipboard: (text) => ipcRenderer.invoke('clipboard-write', text),
+    getConfig: () => ipcRenderer.invoke('get-config'),
+    storageGet: (key) => ipcRenderer.invoke('storage-get', key),
+    storageSet: (key, value) => ipcRenderer.invoke('storage-set', key, value),
+    storageRemove: (key) => ipcRenderer.invoke('storage-remove', key),
     getUpdateState: () => ipcRenderer.invoke('get-update-state'),
     checkForUpdatesNow: () => ipcRenderer.invoke('check-for-updates-now'),
     checkForUpdates: () => ipcRenderer.send('check-for-updates'),
     downloadUpdate: () => ipcRenderer.send('download-update'),
     quitAndInstall: () => ipcRenderer.send('quit-and-install'),
-    onUpdateState: (callback) => onIpc('update-state', callback),
+    onUpdateState: (callback) => ipcRenderer.on('update-state', (event, state) => callback(state)),
-    onUpdateAvailable: (callback) => onIpc('update-available', callback),
+    onUpdateAvailable: (callback) => ipcRenderer.on('update-available', (event, info) => callback(info)),
-    onUpdateDownloaded: (callback) => onIpc('update-downloaded', callback),
+    onUpdateDownloaded: (callback) => ipcRenderer.on('update-downloaded', (event, info) => callback(info)),
-    onUpdateError: (callback) => onIpc('update-error', callback)
+    onUpdateError: (callback) => ipcRenderer.on('update-error', (event, error) => callback(error))
 });

main.js

@@ -1,11 +1,11 @@
 const { app, BrowserWindow, session, desktopCapturer, ipcMain, clipboard } = require('electron');
 const { autoUpdater } = require('electron-updater');
 const path = require('path');
-const packageJson = require('./package.json');
+const fs = require('fs');
-const PERIODIC_UPDATE_CHECK_INTERVAL_MS = 1 * 60 * 1000;
+const url = require('url');
 
 const updateState = {
-    status: 'idle', // idle | checking | available | downloading | downloaded | installing | not-available | error
+    status: 'idle', // idle | checking | available | downloading | downloaded | not-available | error
     info: null,
     error: null,
 };
@@ -19,43 +19,41 @@ function broadcastUpdateState() {
     }
 }
 
+function getStorageFilePath() {
+    return path.join(app.getPath('userData'), 'renderer-storage.json');
+}
+
+function readPersistentStore() {
+    const filePath = getStorageFilePath();
+    try {
+        if (!fs.existsSync(filePath)) return {};
+        const raw = fs.readFileSync(filePath, 'utf8');
+        const parsed = JSON.parse(raw);
+        return parsed && typeof parsed === 'object' ? parsed : {};
+    } catch (err) {
+        console.error('Failed to read persistent store', err);
+        return {};
+    }
+}
+
+function writePersistentStore(store) {
+    const filePath = getStorageFilePath();
+    try {
+        fs.mkdirSync(path.dirname(filePath), { recursive: true });
+        fs.writeFileSync(filePath, JSON.stringify(store), 'utf8');
+    } catch (err) {
+        console.error('Failed to write persistent store', err);
+    }
+}
+
 function isNewerVersionAvailable(info) {
     const next = info && typeof info.version === 'string' ? info.version : '';
     return Boolean(next) && next !== app.getVersion();
 }
 
 let updateCheckInProgress = false;
-let installInProgress = false;
-let periodicUpdateTimer = null;
-
-function resolveBackendUrl() {
-    const configuredUrl = (process.env.CHATTZ_URL || process.env.APP_BASE_URL || '').trim();
-    if (configuredUrl) {
-        return configuredUrl.replace(/\/$/, '');
-    }
-
-    const packagedFallback = typeof packageJson.homepage === 'string'
-        ? packageJson.homepage.trim()
-        : '';
-    if (app.isPackaged && packagedFallback) {
-        return packagedFallback.replace(/\/$/, '');
-    }
-
-    return 'http://localhost:3000';
-}
-
-function webContentsOrigin(webContents) {
-    if (!webContents || typeof webContents.getURL !== 'function') {
-        return null;
-    }
-    return safeOrigin(webContents.getURL());
-}
 
 async function runUpdateCheck(reason = 'manual') {
-    if (installInProgress) {
-        console.log(`Update check skipped (${reason}): install already in progress`);
-        return;
-    }
     if (updateCheckInProgress) {
         console.log(`Update check skipped (${reason}): another check is already in progress`);
         return;
@@ -85,62 +83,9 @@ async function runUpdateCheck(reason = 'manual') {
     }
 }
 
-function installDownloadedUpdate() {
-    if (installInProgress) {
-        console.log('Update install already in progress');
-        return;
-    }
-
-    installInProgress = true;
-    updateState.status = 'installing';
-    updateState.error = null;
-    broadcastUpdateState();
-
-    const wins = BrowserWindow.getAllWindows();
-    for (const win of wins) {
-        if (win.isDestroyed()) continue;
-        try {
-            win.removeAllListeners('close');
-            win.destroy();
-        } catch (err) {
-            console.warn('Failed to destroy window before update install', err);
-        }
-    }
-
-    setImmediate(() => {
-        try {
-            autoUpdater.quitAndInstall(false, true);
-        } catch (err) {
-            installInProgress = false;
-            updateState.status = 'error';
-            updateState.error = err && err.message ? err.message : String(err);
-            broadcastUpdateState();
-            console.error('quitAndInstall failed', err);
-        }
-    });
-
-    setTimeout(() => {
-        if (installInProgress) {
-            console.warn('Update install is still waiting for app shutdown');
-        }
-    }, 15000);
-}
-
-function startPeriodicUpdateChecks() {
-    if (periodicUpdateTimer || !app.isPackaged) {
-        return;
-    }
-
-    periodicUpdateTimer = setInterval(() => {
-        void runUpdateCheck('periodic');
-    }, PERIODIC_UPDATE_CHECK_INTERVAL_MS);
-}
-
 function createWindow() {
+    // Create a persistent session for chattz to keep the user logged in
     const sess = session.fromPartition('persist:chattz');
-    const backendUrl = resolveBackendUrl();
-    const backendOrigin = new URL(backendUrl).origin;
-    console.log(`Desktop backend URL: ${backendUrl}`);
 
     const win = new BrowserWindow({
         width: 1200,
@@ -149,6 +94,7 @@ function createWindow() {
         webPreferences: {
             nodeIntegration: false,
             contextIsolation: true,
+            webSecurity: false, // Required for cross-origin fetch/ws from file:// with cookies
             session: sess,
             preload: path.join(__dirname, 'desktop', 'preload.js')
         }
@@ -157,33 +103,32 @@ function createWindow() {
     win.setAutoHideMenuBar(true);
     win.setMenuBarVisibility(true);
 
+    // Auto-approve media permissions (camera, microphone)
     sess.setPermissionCheckHandler((webContents, permission) => {
-        const origin = webContentsOrigin(webContents);
+        if (permission === 'media' || permission === 'clipboard-read' || permission === 'clipboard-write') {
-        if (origin !== backendOrigin) return false;
+            return true;
-        return permission === 'media' || permission === 'clipboard-write';
+        }
+        return false;
     });
 
     sess.setPermissionRequestHandler((webContents, permission, callback) => {
-        const origin = webContentsOrigin(webContents);
+        if (permission === 'media' || permission === 'clipboard-read' || permission === 'clipboard-write') {
-        if (origin === backendOrigin && (permission === 'media' || permission === 'clipboard-write')) {
             callback(true);
         } else {
             callback(false);
         }
     });
 
+    // Handle screen share requests
     sess.setDisplayMediaRequestHandler((request, callback) => {
-        const origin = safeOrigin(request.frame?.url || win.webContents.getURL());
-        if (origin !== backendOrigin) {
-            callback(null);
-            return;
-        }
         desktopCapturer.getSources({ types: ['screen', 'window'] }).then((sources) => {
+            // Provide the first screen source by default, or implement a picker window here
             if (sources && sources.length > 0) {
+                // We prefer a screen over a window if available, simple heuristic
                 const screenSource = sources.find(s => s.id.startsWith('screen')) || sources[0];
                 callback({ video: screenSource, audio: 'loopback' });
             } else {
-                callback(null);
+                callback(null); // Reject safely
             }
         }).catch(err => {
             console.error("Failed to get desktop sources for screen share", err);
@@ -191,9 +136,55 @@ function createWindow() {
         });
     });
 
-    win.loadURL(backendUrl).catch((err) => {
+    const backendUrl = (process.env.CHATTZ_URL || 'https://discord.flegr.me').replace(/\/$/, '');
-        console.error(`Failed to load desktop app: ${err}`);
+    const indexPath = path.join(__dirname, 'desktop', 'index.html');
+
+    const loadDesktopApp = (queryParams = '') => {
+        const options = {};
+        if (queryParams) {
+            try {
+                options.query = Object.fromEntries(new URLSearchParams(queryParams));
+            } catch (e) {
+                console.error("Failed to parse query params", e);
+            }
+        }
+
+        // Use setImmediate to ensure the current navigation tick is cleared,
+        // which prevents ERR_ABORTED (-3) on some platforms when interrupting a redirect.
+        setImmediate(() => {
+            if (win.isDestroyed()) return;
+            win.loadFile(indexPath, options).catch((err) => {
+                // Ignore aborted errors as they often happen during fast redirects
+                if (err.toString().includes('-3') || err.code === -3) return;
+                console.error(`Failed to load desktop file: ${err}`);
             });
+        });
+    };
+
+    // Intercept navigations/redirects that return to the backend with a token
+    // after the OAuth login flow. Two handlers are needed because:
+    //   - will-navigate  fires for client-side navigations (location.href, link clicks)
+    //   - will-redirect  fires for server-side 302 redirects (OAuth callback chain)
+    const interceptLoginRedirect = (event, navigatedUrl) => {
+        try {
+            const urlObj = new URL(navigatedUrl);
+            const backendObj = new URL(backendUrl);
+            if (urlObj.origin === backendObj.origin && urlObj.pathname === '/') {
+                if (urlObj.searchParams.has('token')) {
+                    console.log("Detected login success redirect, returning to desktop UI...");
+                    event.preventDefault();
+                    loadDesktopApp(urlObj.search.slice(1));
+                }
+            }
+        } catch (e) {
+            console.error(e);
+        }
+    };
+
+    win.webContents.on('will-navigate', interceptLoginRedirect);
+    win.webContents.on('will-redirect', interceptLoginRedirect);
+
+    loadDesktopApp();
 
     // Ensure renderer receives latest updater state after any (re)load.
     // Delay broadcast by 300ms to give the renderer time to register its
@@ -212,11 +203,40 @@ app.commandLine.appendSwitch('disable-webrtc-hw-encoding'); // Sometime helps re
 app.commandLine.appendSwitch('log-level', '3'); // Silences standard Chromium warning logs (like SRTP transport unprotect logs which are benign timing issues)
 
 app.whenReady().then(() => {
+    // Register IPC handlers once (before creating any windows)
+    ipcMain.handle('get-config', () => {
+        return {
+            backendUrl: (process.env.CHATTZ_URL || 'https://discord.flegr.me').replace(/\/$/, '')
+        };
+    });
+
     ipcMain.handle('clipboard-write', (event, text) => {
         clipboard.writeText(text);
         return true;
     });
 
+    ipcMain.handle('storage-get', (event, key) => {
+        if (typeof key !== 'string' || key.length === 0) return null;
+        const store = readPersistentStore();
+        return Object.prototype.hasOwnProperty.call(store, key) ? store[key] : null;
+    });
+
+    ipcMain.handle('storage-set', (event, key, value) => {
+        if (typeof key !== 'string' || key.length === 0) return false;
+        const store = readPersistentStore();
+        store[key] = value;
+        writePersistentStore(store);
+        return true;
+    });
+
+    ipcMain.handle('storage-remove', (event, key) => {
+        if (typeof key !== 'string' || key.length === 0) return false;
+        const store = readPersistentStore();
+        delete store[key];
+        writePersistentStore(store);
+        return true;
+    });
+
     ipcMain.handle('get-update-state', () => ({ ...updateState }));
     ipcMain.handle('check-for-updates-now', async () => {
         await runUpdateCheck('renderer-direct');
@@ -267,7 +287,6 @@ app.whenReady().then(() => {
     });
 
     ipcMain.on('download-update', () => {
-        if (installInProgress) return;
         updateState.status = 'downloading';
         updateState.error = null;
         broadcastUpdateState();
@@ -275,14 +294,13 @@ app.whenReady().then(() => {
     });
 
     ipcMain.on('quit-and-install', () => {
-        installDownloadedUpdate();
+        autoUpdater.quitAndInstall();
     });
 
     // Check once on startup
     setTimeout(() => {
         void runUpdateCheck('startup');
     }, 5000);
-    startPeriodicUpdateChecks();
 
     app.on('activate', () => {
         if (BrowserWindow.getAllWindows().length === 0) {
@@ -296,18 +314,3 @@ app.on('window-all-closed', () => {
         app.quit();
     }
 });
-
-app.on('before-quit', () => {
-    if (periodicUpdateTimer) {
-        clearInterval(periodicUpdateTimer);
-        periodicUpdateTimer = null;
-    }
-});
-
-function safeOrigin(value) {
-    try {
-        return new URL(value).origin;
-    } catch (_) {
-        return null;
-    }
-}

scripts/generate-html.js

@@ -5,30 +5,26 @@ const root = path.resolve(__dirname, '..');
 const templatePath = path.join(root, 'shared-html', 'index.template.html');
 const template = fs.readFileSync(templatePath, 'utf8');
 
-const updaterMarkup = `<div id="update-notifier" class="update-notifier hidden">
-              <button id="update-download-btn" title="Download Update"><i data-lucide="download"></i></button>
-              <button id="update-install-btn" title="Install Update" class="hidden"><i data-lucide="arrow-up-circle"></i></button>
-            </div>`;
-
 const variants = {
   web: {
     styles_href: '/static/styles.css',
-    lucide_src: '/static/vendor/lucide.min.js',
     app_src: '/static/app.js?v=20260227-shared-core-1',
     web_downloads: `<div class="auth-downloads">
         <span>Desktop downloads:</span>
         <a href="/static/installers/chattz-windows.exe">Windows</a>
         <a href="/static/installers/chattz-linux.rpm">Linux (RPM)</a>
       </div>`,
-    desktop_updater: updaterMarkup,
+    desktop_updater: '',
     outPath: path.join(root, 'static', 'index.html'),
   },
   desktop: {
     styles_href: '../static/styles.css',
-    lucide_src: '../static/vendor/lucide.min.js',
     app_src: 'app.js?v=20260227-shared-core-1',
     web_downloads: '',
-    desktop_updater: updaterMarkup,
+    desktop_updater: `<div id="update-notifier" class="update-notifier hidden">
+              <button id="update-download-btn" title="Download Update"><i data-lucide="download"></i></button>
+              <button id="update-install-btn" title="Install Update" class="hidden"><i data-lucide="arrow-up-circle"></i></button>
+            </div>`,
     outPath: path.join(root, 'desktop', 'index.html'),
   },
 };

shared-html/index.template.html

@@ -5,9 +5,12 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
   <title>Chattz</title>
+  <link rel="preconnect" href="https://fonts.googleapis.com">
+  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
   <link rel="stylesheet" href="{{styles_href}}" />
   <!-- Lucide Icons -->
-  <script src="{{lucide_src}}"></script>
+  <script src="https://unpkg.com/lucide@latest"></script>
 </head>
 
 <body>
@@ -263,16 +266,6 @@
     </div>
   </div>
 
-  <div id="upload-limit-modal" class="modal-container hidden">
-    <div class="modal">
-      <h2>Upload Too Large</h2>
-      <p id="upload-limit-message" class="modal-copy">Uploads are limited to 50 MB per file.</p>
-      <div class="modal-footer">
-        <button type="button" class="submit-btn" id="upload-limit-ok">OK</button>
-      </div>
-    </div>
-  </div>
-
   <script type="module" src="{{app_src}}"></script>
 </body>
 

src/auth.rs

@@ -1,25 +1,33 @@
-use anyhow::{Result, anyhow};
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
+
+use anyhow::{Context, Result, anyhow};
 use axum::{
     Json,
     extract::{FromRef, FromRequestParts},
-    http::{HeaderMap, StatusCode, request::Parts},
+    http::{StatusCode, request::Parts},
     response::{IntoResponse, Response},
 };
-use chrono::{Duration, Utc};
+use jsonwebtoken::{DecodingKey, EncodingKey, Header, Validation, decode, encode};
-use serde::Serialize;
+use serde::{Deserialize, Serialize};
-use sha2::{Digest, Sha256};
 use uuid::Uuid;
 
 use crate::{AppState, db};
 
-pub const OAUTH_STATE_COOKIE: &str = "chattz_oauth_state";
+const OAUTH_STATE_COOKIE: &str = "chattz_oauth_state";
-pub const SESSION_COOKIE: &str = "chattz_session";
+const SESSION_TTL_SECS: u64 = 60 * 15; // 15 minutes
-const SESSION_TTL_DAYS: i64 = 30;
+const REFRESH_TTL_SECS: u64 = 60 * 60 * 24 * 30; // 30 days
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct SessionClaims {
+    pub sub: String,
+    pub kind: String, // "access" or "refresh"
+    pub exp: usize,
+    pub iat: usize,
+}
 
 #[derive(Debug, Clone)]
 pub struct AuthUser {
     pub id: Uuid,
-    pub session_id: String,
 }
 
 #[derive(Debug)]
@@ -36,13 +44,6 @@ impl ApiError {
         }
     }
 
-    pub fn forbidden(msg: &str) -> Self {
-        Self {
-            status: StatusCode::FORBIDDEN,
-            message: msg.to_string(),
-        }
-    }
-
     pub fn bad_request(msg: &str) -> Self {
         Self {
             status: StatusCode::BAD_REQUEST,
@@ -56,13 +57,6 @@ impl ApiError {
             message: msg.to_string(),
         }
     }
-
-    pub fn service_unavailable(msg: &str) -> Self {
-        Self {
-            status: StatusCode::SERVICE_UNAVAILABLE,
-            message: msg.to_string(),
-        }
-    }
 }
 
 #[derive(Serialize)]
@@ -90,25 +84,29 @@ impl From<anyhow::Error> for ApiError {
 
 impl<S> FromRequestParts<S> for AuthUser
 where
-    AppState: FromRef<S>,
+    AppState: axum::extract::FromRef<S>,
     S: Send + Sync,
 {
     type Rejection = ApiError;
 
     async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
         let app = AppState::from_ref(state);
-        let session_id = read_cookie_from_headers(&parts.headers, SESSION_COOKIE)
-            .ok_or_else(|| ApiError::unauthorized("missing session cookie"))?;
 
-        let user_id = db::touch_active_session(&app.db, &session_id)
+        let token = read_bearer_token(parts)
+            .or_else(|| read_query_token(parts))
+            .ok_or_else(|| ApiError::unauthorized("missing jwt token"))?;
+
+        let user_id = verify_session(&token, &app.settings.session_secret, "access")
+            .map_err(|_| ApiError::unauthorized("invalid or expired token"))?;
+
+        let exists = db::user_exists(&app.db, user_id)
             .await
-            .map_err(|_| ApiError::unauthorized("invalid or expired session"))?
+            .map_err(|_| ApiError::unauthorized("session user not found"))?;
-            .ok_or_else(|| ApiError::unauthorized("invalid or expired session"))?;
+        if !exists {
+            return Err(ApiError::unauthorized("session user not found"));
+        }
 
-        Ok(Self {
+        Ok(Self { id: user_id })
-            id: user_id,
-            session_id,
-        })
     }
 }
 
@@ -116,14 +114,6 @@ pub fn new_oauth_state() -> String {
     Uuid::new_v4().to_string()
 }
 
-pub fn new_session_id() -> String {
-    Uuid::new_v4().simple().to_string()
-}
-
-pub fn session_expiry() -> chrono::DateTime<chrono::FixedOffset> {
-    (Utc::now() + Duration::days(SESSION_TTL_DAYS)).fixed_offset()
-}
-
 pub fn make_oauth_state_cookie(value: &str, secure: bool) -> String {
     format!(
         "{name}={value}; Path=/; HttpOnly; SameSite=Lax; Max-Age=600{secure_flag}",
@@ -133,32 +123,76 @@ pub fn make_oauth_state_cookie(value: &str, secure: bool) -> String {
 }
 
 pub fn clear_oauth_state_cookie(secure: bool) -> String {
-    clear_cookie(OAUTH_STATE_COOKIE, secure, "Lax")
-}
-
-pub fn make_session_cookie(value: &str, secure: bool) -> String {
     format!(
-        "{name}={value}; Path=/; HttpOnly; SameSite=Strict; Max-Age={ttl}{secure_flag}",
+        "{name}=; Path=/; HttpOnly; SameSite=Lax; Max-Age=0{secure_flag}",
-        name = SESSION_COOKIE,
+        name = OAUTH_STATE_COOKIE,
-        ttl = Duration::days(SESSION_TTL_DAYS).num_seconds(),
         secure_flag = if secure { "; Secure" } else { "" }
     )
 }
 
-pub fn clear_session_cookie(secure: bool) -> String {
+pub fn read_oauth_state_from_headers(headers: &axum::http::HeaderMap) -> Option<String> {
-    clear_cookie(SESSION_COOKIE, secure, "Strict")
-}
-
-pub fn read_cookie_from_headers(headers: &HeaderMap, cookie_name: &str) -> Option<String> {
     let raw = headers.get(axum::http::header::COOKIE)?.to_str().ok()?;
     raw.split(';').find_map(|pair| {
         let mut kv = pair.trim().splitn(2, '=');
         let key = kv.next()?;
         let value = kv.next()?;
-        (key == cookie_name).then(|| value.to_string())
+        (key == OAUTH_STATE_COOKIE).then(|| value.to_string())
     })
 }
 
+pub fn new_jwt_tokens(user_id: Uuid, secret: &str) -> Result<(String, String)> {
+    let now = now_ts();
+
+    let access_claims = SessionClaims {
+        sub: user_id.to_string(),
+        kind: "access".to_string(),
+        iat: now as usize,
+        exp: (now + SESSION_TTL_SECS) as usize,
+    };
+
+    let refresh_claims = SessionClaims {
+        sub: user_id.to_string(),
+        kind: "refresh".to_string(),
+        iat: now as usize,
+        exp: (now + REFRESH_TTL_SECS) as usize,
+    };
+
+    let access_token = encode(
+        &Header::default(),
+        &access_claims,
+        &EncodingKey::from_secret(secret.as_bytes()),
+    )
+    .context("failed to encode access token")?;
+
+    let refresh_token = encode(
+        &Header::default(),
+        &refresh_claims,
+        &EncodingKey::from_secret(secret.as_bytes()),
+    )
+    .context("failed to encode refresh token")?;
+
+    Ok((access_token, refresh_token))
+}
+
+pub fn verify_session(token: &str, secret: &str, expected_kind: &str) -> Result<Uuid> {
+    let mut validation = Validation::default();
+    validation.validate_exp = true;
+
+    let data = decode::<SessionClaims>(
+        token,
+        &DecodingKey::from_secret(secret.as_bytes()),
+        &validation,
+    )
+    .context("failed to decode session token")?;
+
+    if data.claims.kind != expected_kind {
+        return Err(anyhow!("invalid token kind"));
+    }
+
+    let user_id = Uuid::parse_str(&data.claims.sub).context("invalid sub in session token")?;
+    Ok(user_id)
+}
+
 pub fn validate_oauth_state(expected_cookie: Option<String>, query_state: &str) -> Result<()> {
     let expected = expected_cookie.ok_or_else(|| anyhow!("missing oauth state cookie"))?;
     if expected != query_state {
@@ -167,113 +201,37 @@ pub fn validate_oauth_state(expected_cookie: Option<String>, query_state: &str)
     Ok(())
 }
 
-pub fn user_agent_hash(headers: &HeaderMap) -> Option<String> {
+fn read_bearer_token(parts: &Parts) -> Option<String> {
-    header_hash(headers, axum::http::header::USER_AGENT.as_str())
+    let raw = parts
-}
+        .headers
-
+        .get(axum::http::header::AUTHORIZATION)?
-pub fn ip_hash(headers: &HeaderMap) -> Option<String> {
+        .to_str()
-    headers
+        .ok()?;
-        .get("x-forwarded-for")
+    if raw.starts_with("Bearer ") {
-        .and_then(|v| v.to_str().ok())
+        Some(raw["Bearer ".len()..].trim().to_string())
-        .and_then(|raw| raw.split(',').next().map(str::trim))
+    } else {
-        .filter(|value| !value.is_empty())
+        None
-        .map(hash_string)
-        .or_else(|| header_hash(headers, "x-real-ip"))
-}
-
-pub fn origin_matches(headers: &HeaderMap, expected_origin: &str) -> bool {
-    headers
-        .get(axum::http::header::ORIGIN)
-        .and_then(|value| value.to_str().ok())
-        .map(|origin| origin == expected_origin)
-        .unwrap_or(false)
-}
-
-fn header_hash(headers: &HeaderMap, header_name: &str) -> Option<String> {
-    headers
-        .get(header_name)
-        .and_then(|v| v.to_str().ok())
-        .filter(|value| !value.trim().is_empty())
-        .map(hash_string)
-}
-
-fn hash_string(value: &str) -> String {
-    let mut hasher = Sha256::new();
-    hasher.update(value.as_bytes());
-    let digest = hasher.finalize();
-    let mut out = String::with_capacity(digest.len() * 2);
-    for byte in digest {
-        out.push(nibble_to_hex(byte >> 4));
-        out.push(nibble_to_hex(byte & 0x0f));
-    }
-    out
-}
-
-fn nibble_to_hex(value: u8) -> char {
-    match value {
-        0..=9 => (b'0' + value) as char,
-        10..=15 => (b'a' + (value - 10)) as char,
-        _ => unreachable!(),
     }
 }
 
-fn clear_cookie(name: &str, secure: bool, same_site: &str) -> String {
+fn read_query_token(parts: &Parts) -> Option<String> {
-    format!(
+    let query = parts.uri.query()?;
-        "{name}=; Path=/; HttpOnly; SameSite={same_site}; Max-Age=0{secure_flag}",
-        secure_flag = if secure { "; Secure" } else { "" }
-    )
-}
 
-#[cfg(test)]
+    // Simple query param parsing without pulling in url::Url overhead
-mod tests {
+    for pair in query.split('&') {
-    use super::{
+        let mut kv = pair.splitn(2, '=');
-        SESSION_COOKIE, clear_session_cookie, hash_string, make_session_cookie, origin_matches,
+        let key = kv.next()?;
-        read_cookie_from_headers,
+        let value = kv.next()?;
-    };
+        if key == "token" {
-    use axum::http::{HeaderMap, header};
+            return Some(value.to_string());
-
-    #[test]
-    fn hash_string_is_stable() {
-        assert_eq!(
-            hash_string("example"),
-            "50d858e0985ecc7f60418aaf0cc5ab587f42c2570a884095a9e8ccacd0f6545c"
-        );
-    }
-
-    #[test]
-    fn reads_named_cookie_from_header() {
-        let mut headers = HeaderMap::new();
-        headers.insert(
-            header::COOKIE,
-            "other=value; chattz_session=session-123; another=ok"
-                .parse()
-                .unwrap(),
-        );
-
-        assert_eq!(
-            read_cookie_from_headers(&headers, SESSION_COOKIE),
-            Some("session-123".to_string())
-        );
-    }
-
-    #[test]
-    fn origin_match_requires_exact_origin() {
-        let mut headers = HeaderMap::new();
-        headers.insert(header::ORIGIN, "http://localhost:3000".parse().unwrap());
-
-        assert!(origin_matches(&headers, "http://localhost:3000"));
-        assert!(!origin_matches(&headers, "https://localhost:3000"));
-    }
-
-    #[test]
-    fn session_cookie_has_strict_policy_and_clear_cookie_expires() {
-        let session_cookie = make_session_cookie("session-123", false);
-        let cleared_cookie = clear_session_cookie(false);
-
-        assert!(session_cookie.contains("HttpOnly"));
-        assert!(session_cookie.contains("SameSite=Strict"));
-        assert!(session_cookie.contains("Max-Age="));
-        assert!(cleared_cookie.contains("SameSite=Strict"));
-        assert!(cleared_cookie.contains("Max-Age=0"));
         }
     }
+    None
+}
+
+fn now_ts() -> u64 {
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap_or_else(|_| Duration::from_secs(0))
+        .as_secs()
+}

src/chat.rs

@@ -1,30 +1,27 @@
-use std::collections::HashMap;
+use crate::AppState;
-
 use axum::extract::ws::{Message, WebSocket};
 use futures_util::{SinkExt, StreamExt};
 use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
 use tokio::sync::{RwLock, mpsc};
 use uuid::Uuid;
 
-use crate::{AppState, db};
-
 #[derive(Clone)]
 pub struct ChatClient {
     tx: mpsc::UnboundedSender<ServerEvent>,
     is_idle: bool,
 }
 
-#[derive(Serialize, Clone, Debug, PartialEq, Eq)]
+#[derive(Serialize, Clone)]
 pub struct OnlineUser {
     pub user_id: Uuid,
-    pub online: bool,
     pub idle: bool,
 }
 
 #[derive(Default)]
 pub struct ChatHub {
-    // user_id -> connection_id -> client
+    // user_id -> client
-    clients: RwLock<HashMap<Uuid, HashMap<Uuid, ChatClient>>>,
+    clients: RwLock<HashMap<Uuid, ChatClient>>,
 }
 
 #[derive(Serialize, Clone)]
@@ -48,113 +45,85 @@ pub enum ServerEvent {
 #[derive(Deserialize)]
 #[serde(tag = "type", rename_all = "snake_case")]
 enum ClientEvent {
+    // Currently no interactive client events for the general chat WS
     Ping,
     SetIdleStatus { is_idle: bool },
 }
 
 impl ChatHub {
-    pub async fn add_client(
+    pub async fn add_client(&self, user_id: Uuid, tx: mpsc::UnboundedSender<ServerEvent>) {
-        &self,
-        user_id: Uuid,
-        connection_id: Uuid,
-        tx: mpsc::UnboundedSender<ServerEvent>,
-    ) -> Option<OnlineUser> {
         let mut clients = self.clients.write().await;
-        let previous = aggregate_presence(clients.get(&user_id), user_id);
+        clients.insert(user_id, ChatClient { tx, is_idle: false });
-
-        clients
-            .entry(user_id)
-            .or_default()
-            .insert(connection_id, ChatClient { tx, is_idle: false });
-
-        let current = aggregate_presence(clients.get(&user_id), user_id);
-        presence_delta(previous, current)
     }
 
-    pub async fn remove_client(&self, user_id: Uuid, connection_id: Uuid) -> Option<OnlineUser> {
+    pub async fn remove_client(&self, user_id: Uuid) {
         let mut clients = self.clients.write().await;
-        let previous = aggregate_presence(clients.get(&user_id), user_id);
-
-        if let Some(connections) = clients.get_mut(&user_id) {
-            connections.remove(&connection_id);
-            if connections.is_empty() {
         clients.remove(&user_id);
     }
-        }
 
-        let current = aggregate_presence(clients.get(&user_id), user_id);
+    pub async fn get_online_users(&self) -> Vec<OnlineUser> {
-        presence_delta(previous, current)
-    }
-
-    pub async fn get_online_users_for(&self, visible_user_ids: &[Uuid]) -> Vec<OnlineUser> {
         let clients = self.clients.read().await;
-        visible_user_ids
+        clients
             .iter()
-            .filter_map(|user_id| aggregate_presence(clients.get(user_id), *user_id))
+            .map(|(id, client)| OnlineUser {
-            .filter(|presence| presence.online)
+                user_id: *id,
+                idle: client.is_idle,
+            })
             .collect()
     }
 
-    pub async fn broadcast_to_many(&self, user_ids: Vec<Uuid>, event: ServerEvent) {
+    pub async fn broadcast_all(&self, event: ServerEvent) {
         let clients = self.clients.read().await;
-        for user_id in user_ids {
+        for client in clients.values() {
-            if let Some(connections) = clients.get(&user_id) {
-                for client in connections.values() {
             let _ = client.tx.send(event.clone());
         }
     }
-        }
-    }
 
     pub async fn broadcast_to_user(&self, user_id: Uuid, event: ServerEvent) {
         let clients = self.clients.read().await;
-        if let Some(connections) = clients.get(&user_id) {
+        if let Some(client) = clients.get(&user_id) {
-            for client in connections.values() {
+            let _ = client.tx.send(event);
+        }
+    }
+
+    pub async fn broadcast_to_many(&self, user_ids: Vec<Uuid>, event: ServerEvent) {
+        let clients = self.clients.read().await;
+        for user_id in user_ids {
+            if let Some(client) = clients.get(&user_id) {
                 let _ = client.tx.send(event.clone());
             }
         }
     }
 
-    pub async fn set_idle_status(
+    pub async fn set_idle_status(&self, user_id: Uuid, is_idle: bool) {
-        &self,
-        user_id: Uuid,
-        connection_id: Uuid,
-        is_idle: bool,
-    ) -> Option<OnlineUser> {
-        let mut clients = self.clients.write().await;
-        let previous = aggregate_presence(clients.get(&user_id), user_id);
-
-        if let Some(connections) = clients.get_mut(&user_id)
-            && let Some(client) = connections.get_mut(&connection_id)
         {
+            let mut clients = self.clients.write().await;
+            if let Some(client) = clients.get_mut(&user_id) {
                 client.is_idle = is_idle;
             }
-
+        }
-        let current = aggregate_presence(clients.get(&user_id), user_id);
+        self.broadcast_all(ServerEvent::UserPresence {
-        presence_delta(previous, current)
+            user_id,
+            online: true,
+            idle: is_idle,
+        })
+        .await;
     }
 }
 
 pub async fn handle_socket(state: AppState, socket: WebSocket, user_id: Uuid) {
     let (mut ws_sender, mut ws_receiver) = socket.split();
     let (tx, mut rx) = mpsc::unbounded_channel::<ServerEvent>();
-    let connection_id = Uuid::new_v4();
 
-    if let Some(presence) = state.chat.add_client(user_id, connection_id, tx).await {
+    state.chat.add_client(user_id, tx).await;
-        if let Ok(visible_user_ids) = db::list_visible_user_ids(&state.db, user_id).await {
     state
         .chat
-                .broadcast_to_many(
+        .broadcast_all(ServerEvent::UserPresence {
-                    visible_user_ids,
+            user_id,
-                    ServerEvent::UserPresence {
+            online: true,
-                        user_id: presence.user_id,
+            idle: false,
-                        online: presence.online,
+        })
-                        idle: presence.idle,
-                    },
-                )
         .await;
-        }
-    }
 
     let send_task = tokio::spawn(async move {
         while let Some(event) = rx.recv().await {
@@ -173,24 +142,8 @@ pub async fn handle_socket(state: AppState, socket: WebSocket, user_id: Uuid) {
             Message::Text(text) => {
                 if let Ok(ClientEvent::SetIdleStatus { is_idle }) =
                     serde_json::from_str::<ClientEvent>(&text)
-                    && let Some(presence) = state
-                        .chat
-                        .set_idle_status(user_id, connection_id, is_idle)
-                        .await
-                    && let Ok(visible_user_ids) =
-                        db::list_visible_user_ids(&state.db, user_id).await
                 {
-                    state
+                    state.chat.set_idle_status(user_id, is_idle).await;
-                        .chat
-                        .broadcast_to_many(
-                            visible_user_ids,
-                            ServerEvent::UserPresence {
-                                user_id: presence.user_id,
-                                online: presence.online,
-                                idle: presence.idle,
-                            },
-                        )
-                        .await;
                 }
             }
             _ => {}
@@ -198,157 +151,13 @@ pub async fn handle_socket(state: AppState, socket: WebSocket, user_id: Uuid) {
     }
 
     send_task.abort();
-    if let Some(presence) = state.chat.remove_client(user_id, connection_id).await
+    state.chat.remove_client(user_id).await;
-        && let Ok(visible_user_ids) = db::list_visible_user_ids(&state.db, user_id).await
-    {
     state
         .chat
-            .broadcast_to_many(
+        .broadcast_all(ServerEvent::UserPresence {
-                visible_user_ids,
-                ServerEvent::UserPresence {
-                    user_id: presence.user_id,
-                    online: presence.online,
-                    idle: presence.idle,
-                },
-            )
-            .await;
-    }
-}
-
-fn aggregate_presence(
-    connections: Option<&HashMap<Uuid, ChatClient>>,
-    user_id: Uuid,
-) -> Option<OnlineUser> {
-    let connections = connections?;
-    if connections.is_empty() {
-        return None;
-    }
-
-    let idle = connections.values().all(|client| client.is_idle);
-    Some(OnlineUser {
-        user_id,
-        online: true,
-        idle,
-    })
-}
-
-fn presence_delta(previous: Option<OnlineUser>, current: Option<OnlineUser>) -> Option<OnlineUser> {
-    match (previous, current) {
-        (None, None) => None,
-        (Some(prev), Some(curr)) if prev == curr => None,
-        (Some(prev), None) => Some(OnlineUser {
-            user_id: prev.user_id,
-            online: false,
-            idle: false,
-        }),
-        (_, Some(curr)) => Some(curr),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::{ChatHub, OnlineUser, ServerEvent};
-    use serde_json::json;
-    use tokio::sync::mpsc;
-    use uuid::Uuid;
-
-    #[tokio::test]
-    async fn multiple_connections_keep_user_online_until_last_disconnect() {
-        let hub = ChatHub::default();
-        let user_id = Uuid::new_v4();
-        let first_connection = Uuid::new_v4();
-        let second_connection = Uuid::new_v4();
-        let (tx1, _rx1) = mpsc::unbounded_channel();
-        let (tx2, _rx2) = mpsc::unbounded_channel();
-
-        let first_presence = hub.add_client(user_id, first_connection, tx1).await;
-        let second_presence = hub.add_client(user_id, second_connection, tx2).await;
-        let after_first_disconnect = hub.remove_client(user_id, first_connection).await;
-        let after_last_disconnect = hub.remove_client(user_id, second_connection).await;
-
-        assert_eq!(
-            first_presence,
-            Some(OnlineUser {
-                user_id,
-                online: true,
-                idle: false,
-            })
-        );
-        assert_eq!(second_presence, None);
-        assert_eq!(after_first_disconnect, None);
-        assert_eq!(
-            after_last_disconnect,
-            Some(OnlineUser {
             user_id,
             online: false,
             idle: false,
         })
-        );
-    }
-
-    #[tokio::test]
-    async fn idle_status_only_flips_when_all_connections_are_idle() {
-        let hub = ChatHub::default();
-        let user_id = Uuid::new_v4();
-        let first_connection = Uuid::new_v4();
-        let second_connection = Uuid::new_v4();
-        let (tx1, _rx1) = mpsc::unbounded_channel();
-        let (tx2, _rx2) = mpsc::unbounded_channel();
-
-        hub.add_client(user_id, first_connection, tx1).await;
-        hub.add_client(user_id, second_connection, tx2).await;
-
-        let first_idle = hub.set_idle_status(user_id, first_connection, true).await;
-        let second_idle = hub.set_idle_status(user_id, second_connection, true).await;
-        let active_again = hub.set_idle_status(user_id, first_connection, false).await;
-
-        assert_eq!(first_idle, None);
-        assert_eq!(
-            second_idle,
-            Some(OnlineUser {
-                user_id,
-                online: true,
-                idle: true,
-            })
-        );
-        assert_eq!(
-            active_again,
-            Some(OnlineUser {
-                user_id,
-                online: true,
-                idle: false,
-            })
-        );
-    }
-
-    #[tokio::test]
-    async fn broadcast_to_user_reaches_all_active_connections() {
-        let hub = ChatHub::default();
-        let user_id = Uuid::new_v4();
-        let first_connection = Uuid::new_v4();
-        let second_connection = Uuid::new_v4();
-        let (tx1, mut rx1) = mpsc::unbounded_channel();
-        let (tx2, mut rx2) = mpsc::unbounded_channel();
-
-        hub.add_client(user_id, first_connection, tx1).await;
-        hub.add_client(user_id, second_connection, tx2).await;
-
-        hub.broadcast_to_user(
-            user_id,
-            ServerEvent::DmCreated {
-                other_user_id: Uuid::new_v4(),
-                message: json!({ "body": "hello" }),
-            },
-        )
         .await;
-
-        assert!(matches!(
-            rx1.try_recv(),
-            Ok(ServerEvent::DmCreated { message, .. }) if message["body"] == "hello"
-        ));
-        assert!(matches!(
-            rx2.try_recv(),
-            Ok(ServerEvent::DmCreated { message, .. }) if message["body"] == "hello"
-        ));
-    }
 }

src/config.rs

@@ -1,11 +1,8 @@
-use anyhow::{Context, Result, anyhow};
+use anyhow::{Context, Result};
-use reqwest::Url;
 
 #[derive(Clone, Debug)]
 pub struct Settings {
     pub port: u16,
-    pub app_base_url: String,
-    pub app_origin: String,
     pub database_url: String,
     pub oidc_client_id: String,
     pub oidc_client_secret: String,
@@ -14,7 +11,8 @@ pub struct Settings {
     pub oidc_userinfo_url: String,
     pub oidc_redirect_url: String,
     pub oidc_scopes: String,
-    pub session_cookie_secure: bool,
+    pub session_secret: String,
+    pub cookie_secure: bool,
     pub stun_urls: Vec<String>,
     pub turn_urls: Vec<String>,
     pub turn_username: Option<String>,
@@ -33,17 +31,11 @@ pub struct MediaSettings {
 
 impl Settings {
     pub fn from_env() -> Result<Self> {
-        let app_base_url = required("APP_BASE_URL")?;
-        let app_url = Url::parse(&app_base_url).context("APP_BASE_URL must be a valid URL")?;
-        let app_origin = origin_from_url(&app_url)?;
-
         Ok(Self {
             port: std::env::var("PORT")
                 .unwrap_or_else(|_| "3000".into())
                 .parse()
                 .context("PORT must be a valid u16")?,
-            app_base_url: trim_trailing_slash(&app_base_url),
-            app_origin,
             database_url: required("DATABASE_URL")?,
             oidc_client_id: required("OIDC_CLIENT_ID")?,
             oidc_client_secret: required("OIDC_CLIENT_SECRET")?,
@@ -53,7 +45,11 @@ impl Settings {
             oidc_redirect_url: required("OIDC_REDIRECT_URL")?,
             oidc_scopes: std::env::var("OIDC_SCOPES")
                 .unwrap_or_else(|_| "openid profile email".to_string()),
-            session_cookie_secure: requires_secure_cookie(&app_url)?,
+            session_secret: required("SESSION_SECRET")?,
+            cookie_secure: std::env::var("COOKIE_SECURE")
+                .unwrap_or_else(|_| "false".into())
+                .parse()
+                .context("COOKIE_SECURE must be true/false")?,
             stun_urls: parse_csv_env("STUN_URLS", "stun:stun.l.google.com:19302"),
             turn_urls: parse_csv_env("TURN_URLS", ""),
             turn_username: optional("TURN_USERNAME"),
@@ -69,7 +65,7 @@ impl MediaSettings {
         let access_key_id = optional("R2_ACCESS_KEY_ID");
         let secret_access_key = optional("R2_SECRET_ACCESS_KEY");
         let bucket = optional("R2_BUCKET");
-        let public_base_url = optional("MEDIA_BASE_URL").or_else(|| optional("R2_PUBLIC_BASE_URL"));
+        let public_base_url = optional("R2_PUBLIC_BASE_URL");
 
         if account_id.is_none()
             && access_key_id.is_none()
@@ -85,9 +81,7 @@ impl MediaSettings {
             access_key_id: access_key_id.context("missing env var R2_ACCESS_KEY_ID")?,
             secret_access_key: secret_access_key.context("missing env var R2_SECRET_ACCESS_KEY")?,
             bucket: bucket.context("missing env var R2_BUCKET")?,
-            public_base_url: trim_trailing_slash(
+            public_base_url: public_base_url.context("missing env var R2_PUBLIC_BASE_URL")?,
-                &public_base_url.context("missing env var MEDIA_BASE_URL")?,
-            ),
         }))
     }
 
@@ -115,105 +109,3 @@ fn parse_csv_env(name: &str, default_value: &str) -> Vec<String> {
         .map(ToString::to_string)
         .collect()
 }
-
-fn origin_from_url(url: &Url) -> Result<String> {
-    let host = url
-        .host_str()
-        .ok_or_else(|| anyhow!("APP_BASE_URL must include a host"))?;
-    let mut origin = format!("{}://{}", url.scheme(), host);
-    if let Some(port) = url.port() {
-        origin.push(':');
-        origin.push_str(&port.to_string());
-    }
-    Ok(origin)
-}
-
-fn requires_secure_cookie(url: &Url) -> Result<bool> {
-    match url.scheme() {
-        "https" => Ok(true),
-        "http" => {
-            let host = url
-                .host_str()
-                .ok_or_else(|| anyhow!("APP_BASE_URL must include a host"))?;
-            if matches!(host, "localhost" | "127.0.0.1" | "::1") {
-                Ok(false)
-            } else {
-                Err(anyhow!(
-                    "APP_BASE_URL must use https outside localhost when session cookies are enabled"
-                ))
-            }
-        }
-        other => Err(anyhow!("APP_BASE_URL scheme {other} is not supported")),
-    }
-}
-
-fn trim_trailing_slash(value: &str) -> String {
-    value.trim_end_matches('/').to_string()
-}
-
-#[cfg(test)]
-mod tests {
-    use super::{MediaSettings, origin_from_url, requires_secure_cookie, trim_trailing_slash};
-    use reqwest::Url;
-
-    #[test]
-    fn origin_from_url_preserves_explicit_port() {
-        let url = Url::parse("https://chat.example.com:8443/app").unwrap();
-        let origin = origin_from_url(&url).unwrap();
-
-        assert_eq!(origin, "https://chat.example.com:8443");
-    }
-
-    #[test]
-    fn secure_cookie_is_required_for_https_origins() {
-        let url = Url::parse("https://chat.example.com").unwrap();
-
-        assert_eq!(requires_secure_cookie(&url).unwrap(), true);
-    }
-
-    #[test]
-    fn localhost_http_is_allowed_without_secure_cookie() {
-        let url = Url::parse("http://localhost:3000").unwrap();
-
-        assert_eq!(requires_secure_cookie(&url).unwrap(), false);
-    }
-
-    #[test]
-    fn non_localhost_http_is_rejected() {
-        let url = Url::parse("http://chat.example.com").unwrap();
-        let err = requires_secure_cookie(&url).unwrap_err();
-
-        assert!(
-            err.to_string()
-                .contains("APP_BASE_URL must use https outside localhost")
-        );
-    }
-
-    #[test]
-    fn trim_trailing_slash_removes_only_suffix_slashes() {
-        assert_eq!(
-            trim_trailing_slash("https://chat.example.com///"),
-            "https://chat.example.com"
-        );
-        assert_eq!(
-            trim_trailing_slash("https://chat.example.com/app"),
-            "https://chat.example.com/app"
-        );
-    }
-
-    #[test]
-    fn media_endpoint_url_uses_account_id() {
-        let media = MediaSettings {
-            account_id: "acct123".to_string(),
-            access_key_id: "key".to_string(),
-            secret_access_key: "secret".to_string(),
-            bucket: "bucket".to_string(),
-            public_base_url: "https://media.example.com".to_string(),
-        };
-
-        assert_eq!(
-            media.endpoint_url(),
-            "https://acct123.r2.cloudflarestorage.com"
-        );
-    }
-}

src/db.rs

@@ -1,17 +1,15 @@
-use std::collections::HashSet;
-
 use anyhow::{Result, anyhow};
 use chrono::{Duration, Utc};
 use sea_orm::{
     ActiveModelTrait, ActiveValue::Set, ColumnTrait, Condition, DatabaseConnection,
     DatabaseTransaction, EntityTrait, PaginatorTrait, QueryFilter, QueryOrder, QuerySelect,
-    Statement, TransactionTrait, sea_query::OnConflict,
+    TransactionTrait, sea_query::OnConflict,
 };
 use uuid::Uuid;
 
 use crate::{
     entity::{
-        attachments, channels, direct_messages, guild_members, guilds, invites, messages, sessions,
+        attachments, channels, direct_messages, guild_members, guilds, invites, messages,
         soundboard_sounds, users,
     },
     models::{
@@ -28,88 +26,6 @@ pub async fn user_exists(db: &DatabaseConnection, user_id: Uuid) -> Result<bool>
     Ok(count > 0)
 }
 
-pub async fn create_session(
-    db: &DatabaseConnection,
-    session_id: &str,
-    user_id: Uuid,
-    expires_at: chrono::DateTime<chrono::FixedOffset>,
-    user_agent_hash: Option<String>,
-    ip_hash: Option<String>,
-) -> Result<()> {
-    sessions::Entity::insert(sessions::ActiveModel {
-        id: Set(session_id.to_string()),
-        user_id: Set(user_id),
-        expires_at: Set(expires_at),
-        created_at: Set(Utc::now().fixed_offset()),
-        last_seen_at: Set(Utc::now().fixed_offset()),
-        revoked_at: Set(None),
-        user_agent_hash: Set(user_agent_hash),
-        ip_hash: Set(ip_hash),
-    })
-    .exec(db)
-    .await?;
-
-    Ok(())
-}
-
-pub async fn touch_active_session(
-    db: &DatabaseConnection,
-    session_id: &str,
-) -> Result<Option<Uuid>> {
-    let session = sessions::Entity::find_by_id(session_id.to_string())
-        .one(db)
-        .await?;
-
-    let Some(session) = session else {
-        return Ok(None);
-    };
-
-    if session.revoked_at.is_some() || session.expires_at <= Utc::now().fixed_offset() {
-        return Ok(None);
-    }
-
-    let user_id = session.user_id;
-    sessions::Entity::update_many()
-        .col_expr(
-            sessions::Column::LastSeenAt,
-            sea_orm::sea_query::Expr::value(Utc::now().fixed_offset()),
-        )
-        .filter(sessions::Column::Id.eq(session_id.to_string()))
-        .exec(db)
-        .await?;
-    Ok(Some(user_id))
-}
-
-pub async fn revoke_session(db: &DatabaseConnection, session_id: &str) -> Result<()> {
-    if let Some(session) = sessions::Entity::find_by_id(session_id.to_string())
-        .one(db)
-        .await?
-    {
-        sessions::Entity::update_many()
-            .col_expr(
-                sessions::Column::RevokedAt,
-                sea_orm::sea_query::Expr::value(Some(Utc::now().fixed_offset())),
-            )
-            .filter(sessions::Column::Id.eq(session.id))
-            .exec(db)
-            .await?;
-    }
-
-    Ok(())
-}
-
-pub async fn cleanup_sessions(db: &DatabaseConnection) -> Result<()> {
-    sessions::Entity::delete_many()
-        .filter(
-            Condition::any()
-                .add(sessions::Column::ExpiresAt.lte(Utc::now().fixed_offset()))
-                .add(sessions::Column::RevokedAt.is_not_null()),
-        )
-        .exec(db)
-        .await?;
-    Ok(())
-}
-
 pub async fn upsert_user_from_oidc(
     db: &DatabaseConnection,
     oidc_sub: &str,
@@ -190,58 +106,18 @@ pub async fn list_guilds_for_user(db: &DatabaseConnection, user_id: Uuid) -> Res
         .collect())
 }
 
-pub async fn list_visible_user_ids(db: &DatabaseConnection, user_id: Uuid) -> Result<Vec<Uuid>> {
-    let guild_ids: Vec<Uuid> = guild_members::Entity::find()
-        .filter(guild_members::Column::UserId.eq(user_id))
-        .select_only()
-        .column(guild_members::Column::GuildId)
-        .into_tuple()
-        .all(db)
-        .await?;
-
-    let mut visible = HashSet::from([user_id]);
-
-    if !guild_ids.is_empty() {
-        let guild_users = guild_members::Entity::find()
-            .filter(guild_members::Column::GuildId.is_in(guild_ids))
-            .all(db)
-            .await?;
-        visible.extend(guild_users.into_iter().map(|membership| membership.user_id));
-    }
-
-    let dm_rows = direct_messages::Entity::find()
-        .filter(
-            Condition::any()
-                .add(direct_messages::Column::SenderUserId.eq(user_id))
-                .add(direct_messages::Column::RecipientUserId.eq(user_id)),
-        )
-        .all(db)
-        .await?;
-
-    for row in dm_rows {
-        if row.sender_user_id == user_id {
-            visible.insert(row.recipient_user_id);
-        } else {
-            visible.insert(row.sender_user_id);
-        }
-    }
-
-    Ok(visible.into_iter().collect())
-}
-
 pub async fn create_guild(
     db: &DatabaseConnection,
     owner_user_id: Uuid,
     name: &str,
 ) -> Result<Guild> {
-    let txn = db.begin().await?;
     let guild = guilds::Entity::insert(guilds::ActiveModel {
         id: Set(Uuid::new_v4()),
         name: Set(name.to_string()),
         owner_user_id: Set(owner_user_id),
         ..Default::default()
     })
-    .exec_with_returning(&txn)
+    .exec_with_returning(db)
     .await?;
 
     guild_members::Entity::insert(guild_members::ActiveModel {
@@ -257,13 +133,17 @@ pub async fn create_guild(
         .do_nothing()
         .to_owned(),
     )
-    .exec(&txn)
+    .exec(db)
     .await?;
 
-    txn.commit().await?;
     Ok(map_guild(guild))
 }
 
+pub async fn get_guild_by_id(db: &DatabaseConnection, guild_id: Uuid) -> Result<Option<Guild>> {
+    let row = guilds::Entity::find_by_id(guild_id).one(db).await?;
+    Ok(row.map(map_guild))
+}
+
 pub async fn is_guild_owner(
     db: &DatabaseConnection,
     guild_id: Uuid,
@@ -317,12 +197,7 @@ pub async fn create_invite(
 pub async fn join_invite(db: &DatabaseConnection, code: &str, user_id: Uuid) -> Result<Guild> {
     let txn = db.begin().await?;
 
-    let invite = invites::Entity::find()
+    let invite = invites::Entity::find_by_id(code.to_string())
-        .from_raw_sql(Statement::from_sql_and_values(
-            sea_orm::DatabaseBackend::Postgres,
-            r#"SELECT * FROM invites WHERE code = $1 FOR UPDATE"#,
-            [code.into()],
-        ))
         .one(&txn)
         .await?
         .ok_or_else(|| anyhow!("invite not found"))?;
@@ -922,10 +797,7 @@ pub async fn create_sound(
     created_by_user_id: Uuid,
     name: &str,
     icon: &str,
-    object_key: &str,
+    file_path: &str,
-    media_url: &str,
-    mime_type: &str,
-    size_bytes: i64,
 ) -> Result<SoundboardSound> {
     let model = soundboard_sounds::Entity::insert(soundboard_sounds::ActiveModel {
         id: Set(Uuid::new_v4()),
@@ -933,13 +805,7 @@ pub async fn create_sound(
         created_by_user_id: Set(created_by_user_id),
         name: Set(name.to_string()),
         icon: Set(icon.to_string()),
-        object_key: Set(Some(object_key.to_string())),
+        file_path: Set(file_path.to_string()),
-        media_url: Set(media_url.to_string()),
-        mime_type: Set(Some(mime_type.to_string())),
-        size_bytes: Set(Some(size_bytes)),
-        // Keep the legacy column populated until every deployment has applied
-        // the nullable migration and old fallback paths are fully removed.
-        file_path: Set(Some(media_url.to_string())),
         ..Default::default()
     })
     .exec_with_returning(db)
@@ -953,11 +819,6 @@ pub async fn get_sound_by_id(db: &DatabaseConnection, id: Uuid) -> Result<Option
     Ok(row.map(map_sound))
 }
 
-pub async fn get_sound_object_key(db: &DatabaseConnection, id: Uuid) -> Result<Option<String>> {
-    let row = soundboard_sounds::Entity::find_by_id(id).one(db).await?;
-    Ok(row.and_then(|sound| sound.object_key))
-}
-
 pub async fn delete_sound(db: &DatabaseConnection, id: Uuid) -> Result<()> {
     soundboard_sounds::Entity::delete_by_id(id).exec(db).await?;
     Ok(())
@@ -969,321 +830,8 @@ fn map_sound(model: soundboard_sounds::Model) -> SoundboardSound {
         guild_id: model.guild_id,
         name: model.name,
         icon: model.icon,
-        media_url: model.media_url,
+        file_path: model.file_path,
-        mime_type: model.mime_type,
-        size_bytes: model.size_bytes,
         created_by_user_id: model.created_by_user_id,
         created_at: model.created_at,
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use super::{create_guild, create_sound, join_invite, list_visible_user_ids, validate_invite};
-    use crate::entity::{direct_messages, guild_members, guilds, invites, soundboard_sounds};
-    use chrono::{Duration, Utc};
-    use sea_orm::{DatabaseBackend, MockDatabase, MockExecResult, Value};
-    use std::collections::{BTreeMap, BTreeSet};
-    use uuid::Uuid;
-
-    #[tokio::test]
-    async fn visible_users_include_self_shared_guilds_and_dm_partners() {
-        let current_user_id = Uuid::new_v4();
-        let guild_a = Uuid::new_v4();
-        let guild_b = Uuid::new_v4();
-        let guild_peer = Uuid::new_v4();
-        let shared_dm_peer = Uuid::new_v4();
-
-        let db = MockDatabase::new(DatabaseBackend::Postgres)
-            .append_query_results([vec![
-                BTreeMap::from([("guild_id".to_string(), Value::from(guild_a))]),
-                BTreeMap::from([("guild_id".to_string(), Value::from(guild_b))]),
-            ]])
-            .append_query_results([vec![
-                guild_members::Model {
-                    guild_id: guild_a,
-                    user_id: current_user_id,
-                    created_at: Utc::now().fixed_offset(),
-                },
-                guild_members::Model {
-                    guild_id: guild_b,
-                    user_id: current_user_id,
-                    created_at: Utc::now().fixed_offset(),
-                },
-                guild_members::Model {
-                    guild_id: guild_a,
-                    user_id: guild_peer,
-                    created_at: Utc::now().fixed_offset(),
-                },
-            ]])
-            .append_query_results([vec![
-                direct_messages::Model {
-                    id: Uuid::new_v4(),
-                    sender_user_id: current_user_id,
-                    recipient_user_id: shared_dm_peer,
-                    body: "hello".to_string(),
-                    created_at: Utc::now().fixed_offset(),
-                },
-                direct_messages::Model {
-                    id: Uuid::new_v4(),
-                    sender_user_id: shared_dm_peer,
-                    recipient_user_id: current_user_id,
-                    body: "hi".to_string(),
-                    created_at: Utc::now().fixed_offset(),
-                },
-            ]])
-            .into_connection();
-
-        let visible = list_visible_user_ids(&db, current_user_id).await.unwrap();
-        let visible: BTreeSet<_> = visible.into_iter().collect();
-
-        assert_eq!(
-            visible,
-            BTreeSet::from([current_user_id, guild_peer, shared_dm_peer])
-        );
-    }
-
-    #[tokio::test]
-    async fn visible_users_returns_self_when_no_relationships_exist() {
-        let current_user_id = Uuid::new_v4();
-        let db = MockDatabase::new(DatabaseBackend::Postgres)
-            .append_query_results([Vec::<BTreeMap<String, Value>>::new()])
-            .append_query_results([Vec::<direct_messages::Model>::new()])
-            .into_connection();
-
-        let visible = list_visible_user_ids(&db, current_user_id).await.unwrap();
-
-        assert_eq!(visible, vec![current_user_id]);
-    }
-
-    #[test]
-    fn validate_invite_rejects_expired_invites() {
-        let invite = invites::Model {
-            code: "expired".to_string(),
-            guild_id: Uuid::new_v4(),
-            created_by_user_id: Uuid::new_v4(),
-            created_at: Utc::now().fixed_offset(),
-            expires_at: Some((Utc::now() - Duration::minutes(1)).fixed_offset()),
-            max_uses: Some(5),
-            use_count: 0,
-        };
-
-        let err = validate_invite(&invite).unwrap_err();
-        assert!(err.to_string().contains("invite expired"));
-    }
-
-    #[test]
-    fn validate_invite_rejects_exhausted_invites() {
-        let invite = invites::Model {
-            code: "used".to_string(),
-            guild_id: Uuid::new_v4(),
-            created_by_user_id: Uuid::new_v4(),
-            created_at: Utc::now().fixed_offset(),
-            expires_at: Some((Utc::now() + Duration::minutes(5)).fixed_offset()),
-            max_uses: Some(1),
-            use_count: 1,
-        };
-
-        let err = validate_invite(&invite).unwrap_err();
-        assert!(err.to_string().contains("invite exhausted"));
-    }
-
-    #[test]
-    fn validate_invite_accepts_active_invites() {
-        let invite = invites::Model {
-            code: "active".to_string(),
-            guild_id: Uuid::new_v4(),
-            created_by_user_id: Uuid::new_v4(),
-            created_at: Utc::now().fixed_offset(),
-            expires_at: Some((Utc::now() + Duration::minutes(5)).fixed_offset()),
-            max_uses: Some(3),
-            use_count: 1,
-        };
-
-        validate_invite(&invite).unwrap();
-    }
-
-    #[tokio::test]
-    async fn create_guild_runs_guild_and_membership_in_one_transaction() {
-        let owner_user_id = Uuid::new_v4();
-        let guild_id = Uuid::new_v4();
-        let created_at = Utc::now().fixed_offset();
-        let db = MockDatabase::new(DatabaseBackend::Postgres)
-            .append_query_results([vec![guilds::Model {
-                id: guild_id,
-                name: "Guild".to_string(),
-                owner_user_id,
-                created_at,
-            }]])
-            .append_exec_results([MockExecResult {
-                last_insert_id: 0,
-                rows_affected: 1,
-            }])
-            .into_connection();
-
-        let guild = create_guild(&db, owner_user_id, "Guild").await.unwrap();
-        let transaction_log = format!("{:?}", db.into_transaction_log());
-
-        assert_eq!(guild.id, guild_id);
-        assert!(transaction_log.contains("BEGIN"), "{transaction_log}");
-        assert!(transaction_log.contains("guilds"), "{transaction_log}");
-        assert!(
-            transaction_log.contains("guild_members"),
-            "{transaction_log}"
-        );
-        assert!(transaction_log.contains("COMMIT"), "{transaction_log}");
-
-        let guild_insert = transaction_log.find("guilds");
-        let membership_insert = transaction_log.find("guild_members");
-        assert!(guild_insert.is_some() && membership_insert.is_some());
-        assert!(guild_insert.unwrap() < membership_insert.unwrap());
-    }
-
-    #[tokio::test]
-    async fn join_invite_locks_invite_and_updates_use_count_in_one_transaction() {
-        let user_id = Uuid::new_v4();
-        let guild_id = Uuid::new_v4();
-        let created_by_user_id = Uuid::new_v4();
-        let created_at = Utc::now().fixed_offset();
-        let invite = invites::Model {
-            code: "invite123".to_string(),
-            guild_id,
-            created_by_user_id,
-            created_at,
-            expires_at: Some((Utc::now() + Duration::minutes(5)).fixed_offset()),
-            max_uses: Some(5),
-            use_count: 0,
-        };
-        let updated_invite = invites::Model {
-            use_count: 1,
-            ..invite.clone()
-        };
-        let guild = guilds::Model {
-            id: guild_id,
-            name: "Guild".to_string(),
-            owner_user_id: created_by_user_id,
-            created_at,
-        };
-
-        let db = MockDatabase::new(DatabaseBackend::Postgres)
-            .append_query_results([vec![invite]])
-            .append_query_results([Vec::<guild_members::Model>::new()])
-            .append_exec_results([MockExecResult {
-                last_insert_id: 0,
-                rows_affected: 1,
-            }])
-            .append_query_results([vec![updated_invite]])
-            .append_query_results([vec![guild]])
-            .into_connection();
-
-        let joined_guild = join_invite(&db, "invite123", user_id).await.unwrap();
-        let transaction_log = format!("{:?}", db.into_transaction_log());
-
-        assert_eq!(joined_guild.id, guild_id);
-        assert!(transaction_log.contains("BEGIN"), "{transaction_log}");
-        assert!(transaction_log.contains("FOR UPDATE"), "{transaction_log}");
-        assert!(
-            transaction_log.contains("guild_members"),
-            "{transaction_log}"
-        );
-        assert!(transaction_log.contains("UPDATE"), "{transaction_log}");
-        assert!(transaction_log.contains("invites"), "{transaction_log}");
-        assert!(transaction_log.contains("COMMIT"), "{transaction_log}");
-    }
-
-    #[tokio::test]
-    async fn join_invite_does_not_increment_use_count_for_existing_member() {
-        let user_id = Uuid::new_v4();
-        let guild_id = Uuid::new_v4();
-        let created_by_user_id = Uuid::new_v4();
-        let created_at = Utc::now().fixed_offset();
-        let invite = invites::Model {
-            code: "invite123".to_string(),
-            guild_id,
-            created_by_user_id,
-            created_at,
-            expires_at: Some((Utc::now() + Duration::minutes(5)).fixed_offset()),
-            max_uses: Some(5),
-            use_count: 3,
-        };
-        let existing_member = guild_members::Model {
-            guild_id,
-            user_id,
-            created_at,
-        };
-        let guild = guilds::Model {
-            id: guild_id,
-            name: "Guild".to_string(),
-            owner_user_id: created_by_user_id,
-            created_at,
-        };
-
-        let db = MockDatabase::new(DatabaseBackend::Postgres)
-            .append_query_results([vec![invite]])
-            .append_query_results([vec![existing_member]])
-            .append_exec_results([MockExecResult {
-                last_insert_id: 0,
-                rows_affected: 1,
-            }])
-            .append_query_results([vec![guild]])
-            .into_connection();
-
-        let joined_guild = join_invite(&db, "invite123", user_id).await.unwrap();
-        let transaction_log = format!("{:?}", db.into_transaction_log());
-
-        assert_eq!(joined_guild.id, guild_id);
-        assert!(transaction_log.contains("FOR UPDATE"), "{transaction_log}");
-        assert!(
-            transaction_log.contains("guild_members"),
-            "{transaction_log}"
-        );
-        assert!(transaction_log.contains("COMMIT"), "{transaction_log}");
-        assert!(
-            !transaction_log.contains("UPDATE \"invites\""),
-            "{transaction_log}"
-        );
-    }
-
-    #[tokio::test]
-    async fn create_sound_keeps_legacy_file_path_populated() {
-        let guild_id = Uuid::new_v4();
-        let sound_id = Uuid::new_v4();
-        let created_by_user_id = Uuid::new_v4();
-        let created_at = Utc::now().fixed_offset();
-        let media_url = "https://media.example.com/soundboard/test.mp3";
-        let db = MockDatabase::new(DatabaseBackend::Postgres)
-            .append_query_results([vec![soundboard_sounds::Model {
-                id: sound_id,
-                guild_id,
-                name: "Airhorn".to_string(),
-                icon: "AH".to_string(),
-                object_key: Some("soundboard/test.mp3".to_string()),
-                media_url: media_url.to_string(),
-                mime_type: Some("audio/mpeg".to_string()),
-                size_bytes: Some(1234),
-                file_path: Some(media_url.to_string()),
-                created_by_user_id,
-                created_at,
-            }]])
-            .into_connection();
-
-        let sound = create_sound(
-            &db,
-            guild_id,
-            created_by_user_id,
-            "Airhorn",
-            "AH",
-            "soundboard/test.mp3",
-            media_url,
-            "audio/mpeg",
-            1234,
-        )
-        .await
-        .unwrap();
-        let transaction_log = format!("{:?}", db.into_transaction_log());
-
-        assert_eq!(sound.id, sound_id);
-        assert!(transaction_log.contains("file_path"), "{transaction_log}");
-        assert!(transaction_log.contains(media_url), "{transaction_log}");
-    }
-}

src/entity/mod.rs

@@ -5,6 +5,5 @@ pub mod guild_members;
 pub mod guilds;
 pub mod invites;
 pub mod messages;
-pub mod sessions;
 pub mod soundboard_sounds;
 pub mod users;

src/entity/sessions.rs

@@ -1,35 +0,0 @@
-use sea_orm::entity::prelude::*;
-
-#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
-#[sea_orm(table_name = "sessions")]
-pub struct Model {
-    #[sea_orm(primary_key, auto_increment = false)]
-    pub id: String,
-    pub user_id: Uuid,
-    pub expires_at: DateTimeWithTimeZone,
-    pub created_at: DateTimeWithTimeZone,
-    pub last_seen_at: DateTimeWithTimeZone,
-    pub revoked_at: Option<DateTimeWithTimeZone>,
-    pub user_agent_hash: Option<String>,
-    pub ip_hash: Option<String>,
-}
-
-#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
-pub enum Relation {
-    #[sea_orm(
-        belongs_to = "super::users::Entity",
-        from = "Column::UserId",
-        to = "super::users::Column::Id",
-        on_update = "NoAction",
-        on_delete = "Cascade"
-    )]
-    Users,
-}
-
-impl Related<super::users::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Users.def()
-    }
-}
-
-impl ActiveModelBehavior for ActiveModel {}

src/entity/soundboard_sounds.rs

@@ -9,11 +9,7 @@ pub struct Model {
     pub guild_id: Uuid,
     pub name: String,
     pub icon: String,
-    pub object_key: Option<String>,
+    pub file_path: String,
-    pub media_url: String,
-    pub mime_type: Option<String>,
-    pub size_bytes: Option<i64>,
-    pub file_path: Option<String>,
     pub created_by_user_id: Uuid,
     pub created_at: DateTimeWithTimeZone,
 }

src/handlers.rs

@@ -1,7 +1,6 @@
 use axum::{
     Json, Router,
-    body::Bytes,
+    extract::{Multipart, Path, Query, State, WebSocketUpgrade},
-    extract::{DefaultBodyLimit, Path, Query, State, WebSocketUpgrade},
     http::{HeaderMap, StatusCode, header},
     response::{Html, IntoResponse, Redirect},
     routing::{get, post},
@@ -17,12 +16,14 @@ use crate::{
     models::{DmMessageWithAuthor, Guild, MessageWithAuthor, SoundboardSound},
     voice,
 };
+use tracing::info;
 
 pub fn routes() -> Router<AppState> {
     Router::new()
         .route("/", get(index))
         .route("/auth/login", get(auth_login))
         .route("/auth/callback", get(auth_callback))
+        .route("/auth/refresh", post(auth_refresh))
         .route("/auth/logout", post(auth_logout))
         .route("/me", get(me))
         .route("/dms", get(list_dm_conversations))
@@ -34,7 +35,6 @@ pub fn routes() -> Router<AppState> {
             "/dms/{other_user_id}/attachments",
             post(upload_dm_attachment),
         )
-        .layer(DefaultBodyLimit::max(MAX_MEDIA_UPLOAD_BYTES))
         .route("/presence", get(presence_list))
         .route("/rtc-config", get(rtc_config))
         .route("/guilds", get(list_guilds).post(create_guild))
@@ -50,7 +50,6 @@ pub fn routes() -> Router<AppState> {
             "/guilds/{guild_id}/sounds",
             get(list_sounds).post(upload_sound),
         )
-        .layer(DefaultBodyLimit::max(MAX_MEDIA_UPLOAD_BYTES))
         .route(
             "/guilds/{guild_id}/sounds/{sound_id}",
             post(delete_sound_post).delete(delete_sound),
@@ -64,7 +63,6 @@ pub fn routes() -> Router<AppState> {
             "/channels/{channel_id}/attachments",
             post(upload_channel_attachment),
         )
-        .layer(DefaultBodyLimit::max(MAX_MEDIA_UPLOAD_BYTES))
         .route("/channels/{channel_id}/voice/ws", get(voice_ws))
         .route("/ws", get(chat_ws))
 }
@@ -92,7 +90,7 @@ async fn auth_login(State(state): State<AppState>) -> Result<impl IntoResponse,
     let mut headers = HeaderMap::new();
     headers.insert(
         header::SET_COOKIE,
-        auth::make_oauth_state_cookie(&oauth_state, state.settings.session_cookie_secure)
+        auth::make_oauth_state_cookie(&oauth_state, state.settings.cookie_secure)
             .parse()
             .map_err(|_| ApiError::internal("failed to set oauth cookie"))?,
     );
@@ -158,10 +156,7 @@ async fn auth_callback(
     Query(query): Query<AuthCallbackQuery>,
     headers: HeaderMap,
 ) -> Result<impl IntoResponse, ApiError> {
-    auth::validate_oauth_state(
+    auth::validate_oauth_state(auth::read_oauth_state_from_headers(&headers), &query.state)
-        auth::read_cookie_from_headers(&headers, auth::OAUTH_STATE_COOKIE),
-        &query.state,
-    )
         .map_err(|e| ApiError::bad_request(&e.to_string()))?;
 
     let token_res = state
@@ -228,51 +223,69 @@ async fn auth_callback(
     .await
     .map_err(|e| ApiError::internal(&format!("failed to persist user: {e}")))?;
 
-    let session_id = auth::new_session_id();
+    let (access_token, refresh_token) =
-    db::create_session(
+        auth::new_jwt_tokens(user.id, &state.settings.session_secret)
-        &state.db,
+            .map_err(|e| ApiError::internal(&e.to_string()))?;
-        &session_id,
-        user.id,
-        auth::session_expiry(),
-        auth::user_agent_hash(&headers),
-        auth::ip_hash(&headers),
-    )
-    .await
-    .map_err(|e| ApiError::internal(&format!("failed to create session: {e}")))?;
 
     let mut headers = HeaderMap::new();
     headers.append(
         header::SET_COOKIE,
-        auth::clear_oauth_state_cookie(state.settings.session_cookie_secure)
+        auth::clear_oauth_state_cookie(state.settings.cookie_secure)
             .parse()
             .map_err(|_| ApiError::internal("failed to clear oauth state cookie"))?,
     );
-    headers.append(
-        header::SET_COOKIE,
-        auth::make_session_cookie(&session_id, state.settings.session_cookie_secure)
-            .parse()
-            .map_err(|_| ApiError::internal("failed to set session cookie"))?,
-    );
 
-    Ok((headers, Redirect::to("/")))
+    Ok((
+        headers,
+        Redirect::to(&format!(
+            "/?token={}&refresh_token={}",
+            access_token, refresh_token
+        )),
+    ))
 }
 
-async fn auth_logout(
+#[derive(Deserialize)]
-    State(state): State<AppState>,
+struct AuthRefreshBody {
-    user: AuthUser,
+    refresh_token: String,
-) -> Result<impl IntoResponse, ApiError> {
+}
-    db::revoke_session(&state.db, &user.session_id)
-        .await
-        .map_err(|e| ApiError::internal(&format!("failed to revoke session: {e}")))?;
 
-    let mut headers = HeaderMap::new();
+#[derive(Serialize)]
-    headers.insert(
+struct AuthRefreshResponse {
-        header::SET_COOKIE,
+    access_token: String,
-        auth::clear_session_cookie(state.settings.session_cookie_secure)
+    refresh_token: String,
-            .parse()
+}
-            .map_err(|_| ApiError::internal("failed to clear session cookie"))?,
+
-    );
+async fn auth_refresh(
-    Ok((headers, StatusCode::NO_CONTENT))
+    State(state): State<AppState>,
+    Json(body): Json<AuthRefreshBody>,
+) -> Result<impl IntoResponse, ApiError> {
+    let user_id = auth::verify_session(
+        &body.refresh_token,
+        &state.settings.session_secret,
+        "refresh",
+    )
+    .map_err(|_| ApiError::unauthorized("invalid or expired refresh token"))?;
+
+    let exists = db::user_exists(&state.db, user_id)
+        .await
+        .map_err(|_| ApiError::internal("user verification failed"))?;
+
+    if !exists {
+        return Err(ApiError::unauthorized("user not found"));
+    }
+
+    let (access_token, refresh_token) =
+        auth::new_jwt_tokens(user_id, &state.settings.session_secret)
+            .map_err(|e| ApiError::internal(&e.to_string()))?;
+
+    Ok(Json(AuthRefreshResponse {
+        access_token,
+        refresh_token,
+    }))
+}
+
+async fn auth_logout() -> Result<impl IntoResponse, ApiError> {
+    Ok(StatusCode::NO_CONTENT)
 }
 
 #[derive(Serialize)]
@@ -333,12 +346,9 @@ async fn me(State(state): State<AppState>, user: AuthUser) -> Result<impl IntoRe
 
 async fn presence_list(
     State(state): State<AppState>,
-    user: AuthUser,
+    _user: AuthUser,
 ) -> Result<impl IntoResponse, ApiError> {
-    let visible_user_ids = db::list_visible_user_ids(&state.db, user.id)
+    let users = state.chat.get_online_users().await;
-        .await
-        .map_err(|e| ApiError::internal(&format!("failed to load visible users: {e}")))?;
-    let users = state.chat.get_online_users_for(&visible_user_ids).await;
     Ok(Json(users))
 }
 
@@ -683,16 +693,11 @@ async fn upload_channel_attachment(
     State(state): State<AppState>,
     user: AuthUser,
     Path(channel_id): Path<Uuid>,
-    headers: HeaderMap,
+    multipart: Multipart,
-    body: Bytes,
 ) -> Result<impl IntoResponse, ApiError> {
     ensure_channel_member(&state, channel_id, user.id).await?;
-    let uploaded = upload_media_from_request(
+    let uploaded =
-        &state,
+        upload_media_from_multipart(&state, multipart, channel_object_key_prefix(channel_id))
-        &headers,
-        body,
-        channel_object_key_prefix(channel_id),
-    )
             .await?;
 
     let message = db::create_message_with_attachment(
@@ -726,8 +731,7 @@ async fn upload_dm_attachment(
     State(state): State<AppState>,
     user: AuthUser,
     Path(other_user_id): Path<Uuid>,
-    headers: HeaderMap,
+    multipart: Multipart,
-    body: Bytes,
 ) -> Result<impl IntoResponse, ApiError> {
     if other_user_id == user.id {
         return Err(ApiError::bad_request("cannot send dm to yourself"));
@@ -743,10 +747,9 @@ async fn upload_dm_attachment(
         });
     }
 
-    let uploaded = upload_media_from_request(
+    let uploaded = upload_media_from_multipart(
         &state,
-        &headers,
+        multipart,
-        body,
         dm_object_key_prefix(user.id, other_user_id),
     )
     .await?;
@@ -770,10 +773,10 @@ async fn upload_dm_attachment(
 }
 
 async fn voice_ws(
+    ws: WebSocketUpgrade,
     State(state): State<AppState>,
     user: AuthUser,
     Path(channel_id): Path<Uuid>,
-    ws: WebSocketUpgrade,
 ) -> Result<impl IntoResponse, ApiError> {
     ensure_channel_member(&state, channel_id, user.id).await?;
 
@@ -795,9 +798,9 @@ async fn voice_ws(
 }
 
 async fn chat_ws(
+    ws: WebSocketUpgrade,
     State(state): State<AppState>,
     user: AuthUser,
-    ws: WebSocketUpgrade,
 ) -> Result<impl IntoResponse, ApiError> {
     Ok(ws.on_upgrade(move |socket| chat::handle_socket(state, socket, user.id)))
 }
@@ -861,46 +864,29 @@ async fn upload_sound(
         _ => return Err(ApiError::bad_request("missing fields")),
     };
 
-    let validated = validate_sound_upload(&file_name, &file_data)
+    let extension = std::path::Path::new(&file_name)
-        .map_err(|e| ApiError::bad_request(&e.to_string()))?;
+        .extension()
+        .and_then(|e| e.to_str())
+        .unwrap_or("mp3");
 
-    let storage = state
+    let safe_file_name = format!("{}.{}", Uuid::new_v4(), extension);
-        .media
+    let upload_dir = std::path::Path::new("static/uploads/soundboard");
-        .as_ref()
+    tokio::fs::create_dir_all(upload_dir)
-        .ok_or_else(|| ApiError::service_unavailable("media storage is not configured"))?;
-
-    let object_key = format!(
-        "soundboard/{guild_id}/{}-{}",
-        Uuid::new_v4(),
-        sanitize_file_name(&file_name)
-    );
-    let media_url = storage
-        .upload_object(
-            &object_key,
-            file_data.to_vec(),
-            &validated.mime_type,
-            &file_name,
-            false,
-        )
         .await
         .map_err(|e| ApiError::internal(&e.to_string()))?;
 
-    let sound = db::create_sound(
+    let file_path = upload_dir.join(&safe_file_name);
-        &state.db,
+    tokio::fs::write(&file_path, file_data)
-        guild_id,
+        .await
-        user.id,
+        .map_err(|e| ApiError::internal(&e.to_string()))?;
-        name.trim(),
+
-        icon.trim(),
+    let web_path = format!("/static/uploads/soundboard/{}", safe_file_name);
-        &object_key,
+
-        &media_url,
+    let sound = db::create_sound(&state.db, guild_id, user.id, &name, &icon, &web_path).await?;
-        &validated.mime_type,
-        validated.size_bytes,
-    )
-    .await?;
     Ok(Json(sound))
 }
 
-const MAX_MEDIA_UPLOAD_BYTES: usize = 50 * 1024 * 1024;
+const MAX_MEDIA_UPLOAD_BYTES: usize = 25 * 1024 * 1024;
 
 struct UploadedMedia {
     object_key: String,
@@ -910,67 +896,64 @@ struct UploadedMedia {
     original_filename: String,
 }
 
-#[derive(Debug)]
+async fn upload_media_from_multipart(
-struct ValidatedUpload {
-    mime_type: String,
-    inline: bool,
-    size_bytes: i64,
-}
-
-async fn upload_media_from_request(
     state: &AppState,
-    headers: &HeaderMap,
+    mut multipart: Multipart,
-    body: Bytes,
     object_key_prefix: String,
 ) -> Result<UploadedMedia, ApiError> {
     let storage = state
         .media
         .as_ref()
-        .ok_or_else(|| ApiError::service_unavailable("media storage is not configured"))?;
+        .ok_or_else(|| ApiError::internal("media storage is not configured"))?;
 
-    let original_filename = headers
+    let mut file_name = None;
-        .get("x-file-name")
+    let mut file_data = None;
-        .and_then(|v| v.to_str().ok())
+    let mut mime_type = None;
-        .map(str::trim)
-        .filter(|v| !v.is_empty())
-        .map(ToString::to_string)
-        .ok_or_else(|| ApiError::bad_request("missing x-file-name header"))?;
 
-    let raw_mime_type = headers
+    while let Some(field) = multipart
-        .get(header::CONTENT_TYPE)
+        .next_field()
-        .and_then(|v| v.to_str().ok())
+        .await
-        .map(str::trim)
+        .map_err(|e| ApiError::bad_request(&e.to_string()))?
-        .filter(|v| !v.is_empty())
+    {
+        if field.name().unwrap_or_default() != "file" {
+            continue;
+        }
+
+        file_name = Some(field.file_name().unwrap_or("upload.bin").to_string());
+        mime_type = Some(
+            field
+                .content_type()
                 .unwrap_or("application/octet-stream")
-        .to_string();
+                .to_string(),
-
+        );
-    if body.is_empty() {
+        let bytes = field
-        return Err(ApiError::bad_request("missing file upload"));
+            .bytes()
-    }
+            .await
-    if body.len() > MAX_MEDIA_UPLOAD_BYTES {
-        return Err(ApiError::bad_request("file exceeds 50MB upload limit"));
-    }
-
-    let validated = validate_general_upload(&original_filename, &body, &raw_mime_type)
             .map_err(|e| ApiError::bad_request(&e.to_string()))?;
+        if bytes.len() > MAX_MEDIA_UPLOAD_BYTES {
+            return Err(ApiError::bad_request("file exceeds 25MB upload limit"));
+        }
+        file_data = Some(bytes.to_vec());
+        break;
+    }
+
+    let (original_filename, mime_type, file_data) = match (file_name, mime_type, file_data) {
+        (Some(name), Some(mime), Some(data)) => (name, mime, data),
+        _ => return Err(ApiError::bad_request("missing file upload")),
+    };
+
     let safe_name = sanitize_file_name(&original_filename);
     let object_key = format!("{}/{}-{}", object_key_prefix, Uuid::new_v4(), safe_name);
-    let size_bytes = body.len() as i64;
+    let size_bytes = file_data.len() as i64;
     let media_url = storage
-        .upload_object(
+        .upload_object(&object_key, file_data, &mime_type, &original_filename)
-            &object_key,
-            body.to_vec(),
-            &validated.mime_type,
-            &original_filename,
-            validated.inline,
-        )
         .await
         .map_err(|e| ApiError::internal(&e.to_string()))?;
 
     Ok(UploadedMedia {
         object_key,
         media_url,
-        mime_type: validated.mime_type,
+        mime_type,
         size_bytes,
         original_filename,
     })
@@ -1034,7 +1017,7 @@ fn sanitize_file_name(file_name: &str) -> String {
         })
         .collect();
 
-    let trimmed = sanitized.trim_matches(|ch| ch == '_' || ch == '.').trim();
+    let trimmed = sanitized.trim_matches('_').trim();
     if trimmed.is_empty() {
         "upload.bin".to_string()
     } else {
@@ -1042,141 +1025,6 @@ fn sanitize_file_name(file_name: &str) -> String {
     }
 }
 
-fn validate_general_upload(
-    file_name: &str,
-    bytes: &[u8],
-    claimed_mime: &str,
-) -> anyhow::Result<ValidatedUpload> {
-    let extension = lower_file_extension(file_name)
-        .ok_or_else(|| anyhow::anyhow!("file extension is required"))?;
-    let normalized_mime = sniff_upload_type(bytes, &extension, claimed_mime)
-        .ok_or_else(|| anyhow::anyhow!("unsupported upload type"))?;
-    let inline = is_inline_media_type(&normalized_mime);
-
-    Ok(ValidatedUpload {
-        mime_type: normalized_mime,
-        inline,
-        size_bytes: bytes.len() as i64,
-    })
-}
-
-fn validate_sound_upload(file_name: &str, bytes: &[u8]) -> anyhow::Result<ValidatedUpload> {
-    let extension = lower_file_extension(file_name)
-        .ok_or_else(|| anyhow::anyhow!("sound file extension is required"))?;
-    let Some(mime_type) = sniff_audio_type(bytes, &extension) else {
-        return Err(anyhow::anyhow!(
-            "only mp3, ogg, and wav sounds are supported"
-        ));
-    };
-
-    Ok(ValidatedUpload {
-        mime_type,
-        inline: false,
-        size_bytes: bytes.len() as i64,
-    })
-}
-
-fn lower_file_extension(file_name: &str) -> Option<String> {
-    std::path::Path::new(file_name)
-        .extension()
-        .and_then(|ext| ext.to_str())
-        .map(|ext| ext.to_ascii_lowercase())
-}
-
-fn sniff_upload_type(bytes: &[u8], extension: &str, claimed_mime: &str) -> Option<String> {
-    sniff_audio_type(bytes, extension)
-        .or_else(|| sniff_image_type(bytes, extension))
-        .or_else(|| sniff_video_type(bytes, extension))
-        .or_else(|| sniff_document_type(extension, claimed_mime))
-}
-
-fn sniff_audio_type(bytes: &[u8], extension: &str) -> Option<String> {
-    match extension {
-        "mp3" if bytes.starts_with(b"ID3") || bytes.first().copied() == Some(0xff) => {
-            Some("audio/mpeg".to_string())
-        }
-        "ogg" if bytes.starts_with(b"OggS") => Some("audio/ogg".to_string()),
-        "wav" if bytes.starts_with(b"RIFF") && bytes.get(8..12) == Some(b"WAVE") => {
-            Some("audio/wav".to_string())
-        }
-        _ => None,
-    }
-}
-
-fn sniff_image_type(bytes: &[u8], extension: &str) -> Option<String> {
-    match extension {
-        "png" if bytes.starts_with(b"\x89PNG\r\n\x1a\n") => Some("image/png".to_string()),
-        "jpg" | "jpeg" if bytes.starts_with(&[0xff, 0xd8, 0xff]) => Some("image/jpeg".to_string()),
-        "gif" if bytes.starts_with(b"GIF87a") || bytes.starts_with(b"GIF89a") => {
-            Some("image/gif".to_string())
-        }
-        "webp" if bytes.starts_with(b"RIFF") && bytes.get(8..12) == Some(b"WEBP") => {
-            Some("image/webp".to_string())
-        }
-        _ => None,
-    }
-}
-
-fn sniff_video_type(bytes: &[u8], extension: &str) -> Option<String> {
-    match extension {
-        "mp4"
-            if bytes
-                .windows(8)
-                .any(|window| window == b"ftypisom" || window == b"ftypmp42") =>
-        {
-            Some("video/mp4".to_string())
-        }
-        "webm" if bytes.starts_with(&[0x1a, 0x45, 0xdf, 0xa3]) => Some("video/webm".to_string()),
-        _ => None,
-    }
-}
-
-fn sniff_document_type(extension: &str, claimed_mime: &str) -> Option<String> {
-    match extension {
-        "pdf" => Some("application/pdf".to_string()),
-        "txt" => Some("text/plain".to_string()),
-        "json" => Some("application/json".to_string()),
-        "csv" => Some("text/csv".to_string()),
-        "md" => Some("text/markdown".to_string()),
-        "zip" => Some("application/zip".to_string()),
-        "gz" => Some("application/gzip".to_string()),
-        _ if matches!(
-            claimed_mime,
-            "application/pdf"
-                | "text/plain"
-                | "application/json"
-                | "text/csv"
-                | "text/markdown"
-                | "application/zip"
-                | "application/gzip"
-        ) =>
-        {
-            Some(claimed_mime.to_string())
-        }
-        _ => None,
-    }
-}
-
-fn is_inline_media_type(mime_type: &str) -> bool {
-    matches!(
-        mime_type,
-        "image/png"
-            | "image/jpeg"
-            | "image/gif"
-            | "image/webp"
-            | "video/mp4"
-            | "video/webm"
-            | "audio/mpeg"
-            | "audio/ogg"
-            | "audio/wav"
-            | "application/pdf"
-            | "text/plain"
-            | "application/json"
-            | "text/csv"
-            | "text/markdown"
-    )
-}
-
 fn channel_object_key_prefix(channel_id: Uuid) -> String {
     let now = chrono::Utc::now();
     format!(
@@ -1241,15 +1089,10 @@ async fn delete_sound(
         });
     }
 
-    let object_key = db::get_sound_object_key(&state.db, sound_id)
+    // Delete file from disk
-        .await
+    let relative_path = sound.file_path.trim_start_matches('/');
-        .map_err(|e| ApiError::internal(&format!("failed to load sound storage key: {e}")))?;
+    if let Err(e) = tokio::fs::remove_file(relative_path).await {
-
+        info!("failed to delete sound file {}: {}", relative_path, e);
-    if let (Some(storage), Some(object_key)) = (state.media.as_ref(), object_key.as_deref()) {
-        storage
-            .delete_object(object_key)
-            .await
-            .map_err(|e| ApiError::internal(&format!("failed to delete sound media: {e}")))?;
     }
 
     db::delete_sound(&state.db, sound_id)
@@ -1293,100 +1136,3 @@ async fn ensure_channel_member(
 
     ensure_guild_member(state, guild_id, user_id).await
 }
-
-#[cfg(test)]
-mod tests {
-    use super::{
-        sanitize_file_name, upload_media_from_request, validate_general_upload,
-        validate_sound_upload,
-    };
-    use crate::{AppState, chat::ChatHub, config::Settings, voice::VoiceHub};
-    use axum::{
-        body::Bytes,
-        http::{HeaderMap, StatusCode, header},
-    };
-    use sea_orm::{DatabaseBackend, MockDatabase};
-    use std::sync::Arc;
-
-    fn test_state() -> AppState {
-        AppState {
-            db: Arc::new(MockDatabase::new(DatabaseBackend::Postgres).into_connection()),
-            settings: Arc::new(Settings {
-                port: 3000,
-                app_base_url: "http://localhost:3000".to_string(),
-                app_origin: "http://localhost:3000".to_string(),
-                database_url: "postgres://localhost/test".to_string(),
-                oidc_client_id: "client".to_string(),
-                oidc_client_secret: "secret".to_string(),
-                oidc_authorize_url: "http://localhost:3000/oidc/authorize".to_string(),
-                oidc_token_url: "http://localhost:3000/oidc/token".to_string(),
-                oidc_userinfo_url: "http://localhost:3000/oidc/userinfo".to_string(),
-                oidc_redirect_url: "http://localhost:3000/auth/callback".to_string(),
-                oidc_scopes: "openid profile email".to_string(),
-                session_cookie_secure: false,
-                stun_urls: vec!["stun:stun.l.google.com:19302".to_string()],
-                turn_urls: Vec::new(),
-                turn_username: None,
-                turn_password: None,
-                media: None,
-            }),
-            http: reqwest::Client::new(),
-            voice: Arc::new(VoiceHub::default()),
-            chat: Arc::new(ChatHub::default()),
-            media: None,
-        }
-    }
-
-    #[test]
-    fn sanitize_file_name_replaces_unsafe_chars() {
-        assert_eq!(
-            sanitize_file_name("../../hello world?.mp3"),
-            "hello_world_.mp3"
-        );
-    }
-
-    #[test]
-    fn validates_png_uploads() {
-        let png = b"\x89PNG\r\n\x1a\nrest";
-        let upload = validate_general_upload("image.png", png, "image/png").unwrap();
-        assert_eq!(upload.mime_type, "image/png");
-        assert!(upload.inline);
-    }
-
-    #[test]
-    fn rejects_unknown_uploads() {
-        let err = validate_general_upload("payload.exe", b"MZ...", "application/octet-stream")
-            .unwrap_err();
-        assert!(err.to_string().contains("unsupported upload type"));
-    }
-
-    #[test]
-    fn validates_sound_uploads() {
-        let wav = b"RIFFdataWAVE";
-        let upload = validate_sound_upload("sound.wav", wav).unwrap();
-        assert_eq!(upload.mime_type, "audio/wav");
-    }
-
-    #[tokio::test]
-    async fn upload_helper_requires_configured_media_storage() {
-        let state = test_state();
-        let mut headers = HeaderMap::new();
-        headers.insert("x-file-name", "photo.png".parse().unwrap());
-        headers.insert(header::CONTENT_TYPE, "image/png".parse().unwrap());
-
-        let err = match upload_media_from_request(
-            &state,
-            &headers,
-            Bytes::from_static(b"\x89PNG\r\n\x1a\nrest"),
-            "channels/test".to_string(),
-        )
-        .await
-        {
-            Ok(_) => panic!("expected upload helper to reject missing media storage"),
-            Err(err) => err,
-        };
-
-        assert_eq!(err.status, StatusCode::SERVICE_UNAVAILABLE);
-        assert_eq!(err.message, "media storage is not configured");
-    }
-}

src/media.rs

@@ -47,7 +47,6 @@ impl MediaStorage {
         bytes: Vec<u8>,
         content_type: &str,
         original_filename: &str,
-        inline: bool,
     ) -> Result<String> {
         self.client
             .put_object()
@@ -56,8 +55,7 @@ impl MediaStorage {
             .body(ByteStream::from(bytes))
             .content_type(content_type)
             .content_disposition(format!(
-                "{}; filename=\"{}\"",
+                "inline; filename=\"{}\"",
-                if inline { "inline" } else { "attachment" },
                 sanitize_header_value(original_filename)
             ))
             .send()
@@ -66,17 +64,6 @@ impl MediaStorage {
 
         Ok(format!("{}/{}", self.public_base_url, object_key))
     }
-
-    pub async fn delete_object(&self, object_key: &str) -> Result<()> {
-        self.client
-            .delete_object()
-            .bucket(&self.bucket)
-            .key(object_key)
-            .send()
-            .await
-            .map_err(|e| anyhow!("failed to delete object from R2: {e}"))?;
-        Ok(())
-    }
 }
 
 fn sanitize_header_value(value: &str) -> String {

src/migration/m20260227_000007_sessions.rs

@@ -1,107 +0,0 @@
-use sea_orm_migration::prelude::*;
-
-#[derive(DeriveMigrationName)]
-pub struct Migration;
-
-#[async_trait::async_trait]
-impl MigrationTrait for Migration {
-    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
-        manager
-            .create_table(
-                Table::create()
-                    .table(Sessions::Table)
-                    .if_not_exists()
-                    .col(
-                        ColumnDef::new(Sessions::Id)
-                            .string()
-                            .not_null()
-                            .primary_key(),
-                    )
-                    .col(ColumnDef::new(Sessions::UserId).uuid().not_null())
-                    .col(
-                        ColumnDef::new(Sessions::ExpiresAt)
-                            .timestamp_with_time_zone()
-                            .not_null(),
-                    )
-                    .col(
-                        ColumnDef::new(Sessions::CreatedAt)
-                            .timestamp_with_time_zone()
-                            .not_null()
-                            .default(Expr::current_timestamp()),
-                    )
-                    .col(
-                        ColumnDef::new(Sessions::LastSeenAt)
-                            .timestamp_with_time_zone()
-                            .not_null()
-                            .default(Expr::current_timestamp()),
-                    )
-                    .col(ColumnDef::new(Sessions::RevokedAt).timestamp_with_time_zone())
-                    .col(ColumnDef::new(Sessions::UserAgentHash).string())
-                    .col(ColumnDef::new(Sessions::IpHash).string())
-                    .foreign_key(
-                        ForeignKey::create()
-                            .name("fk_sessions_user")
-                            .from(Sessions::Table, Sessions::UserId)
-                            .to(Users::Table, Users::Id)
-                            .on_delete(ForeignKeyAction::Cascade),
-                    )
-                    .to_owned(),
-            )
-            .await?;
-
-        manager
-            .create_index(
-                Index::create()
-                    .name("idx_sessions_user_id")
-                    .table(Sessions::Table)
-                    .col(Sessions::UserId)
-                    .to_owned(),
-            )
-            .await?;
-
-        manager
-            .create_index(
-                Index::create()
-                    .name("idx_sessions_expires_at")
-                    .table(Sessions::Table)
-                    .col(Sessions::ExpiresAt)
-                    .to_owned(),
-            )
-            .await?;
-
-        manager
-            .create_index(
-                Index::create()
-                    .name("idx_sessions_revoked_at")
-                    .table(Sessions::Table)
-                    .col(Sessions::RevokedAt)
-                    .to_owned(),
-            )
-            .await
-    }
-
-    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
-        manager
-            .drop_table(Table::drop().table(Sessions::Table).to_owned())
-            .await
-    }
-}
-
-#[derive(DeriveIden)]
-enum Sessions {
-    Table,
-    Id,
-    UserId,
-    ExpiresAt,
-    CreatedAt,
-    LastSeenAt,
-    RevokedAt,
-    UserAgentHash,
-    IpHash,
-}
-
-#[derive(DeriveIden)]
-enum Users {
-    Table,
-    Id,
-}

src/migration/m20260227_000008_soundboard_media.rs

@@ -1,72 +0,0 @@
-use sea_orm_migration::prelude::*;
-
-#[derive(DeriveMigrationName)]
-pub struct Migration;
-
-#[async_trait::async_trait]
-impl MigrationTrait for Migration {
-    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
-        manager
-            .alter_table(
-                Table::alter()
-                    .table(SoundboardSounds::Table)
-                    .add_column(ColumnDef::new(SoundboardSounds::ObjectKey).string().null())
-                    .add_column(ColumnDef::new(SoundboardSounds::MediaUrl).string().null())
-                    .add_column(ColumnDef::new(SoundboardSounds::MimeType).string().null())
-                    .add_column(
-                        ColumnDef::new(SoundboardSounds::SizeBytes)
-                            .big_integer()
-                            .null(),
-                    )
-                    .to_owned(),
-            )
-            .await?;
-
-        manager
-            .get_connection()
-            .execute_unprepared(
-                r#"
-                UPDATE soundboard_sounds
-                SET media_url = file_path
-                WHERE media_url IS NULL
-                "#,
-            )
-            .await?;
-
-        manager
-            .alter_table(
-                Table::alter()
-                    .table(SoundboardSounds::Table)
-                    .modify_column(
-                        ColumnDef::new(SoundboardSounds::MediaUrl)
-                            .string()
-                            .not_null(),
-                    )
-                    .to_owned(),
-            )
-            .await
-    }
-
-    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
-        manager
-            .alter_table(
-                Table::alter()
-                    .table(SoundboardSounds::Table)
-                    .drop_column(SoundboardSounds::ObjectKey)
-                    .drop_column(SoundboardSounds::MediaUrl)
-                    .drop_column(SoundboardSounds::MimeType)
-                    .drop_column(SoundboardSounds::SizeBytes)
-                    .to_owned(),
-            )
-            .await
-    }
-}
-
-#[derive(DeriveIden)]
-enum SoundboardSounds {
-    Table,
-    ObjectKey,
-    MediaUrl,
-    MimeType,
-    SizeBytes,
-}

src/migration/m20260227_000009_soundboard_file_path_nullable.rs

@@ -1,50 +0,0 @@
-use sea_orm_migration::prelude::*;
-
-#[derive(DeriveMigrationName)]
-pub struct Migration;
-
-#[async_trait::async_trait]
-impl MigrationTrait for Migration {
-    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
-        manager
-            .alter_table(
-                Table::alter()
-                    .table(SoundboardSounds::Table)
-                    .modify_column(ColumnDef::new(SoundboardSounds::FilePath).string().null())
-                    .to_owned(),
-            )
-            .await
-    }
-
-    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
-        manager
-            .get_connection()
-            .execute_unprepared(
-                r#"
-                UPDATE soundboard_sounds
-                SET file_path = media_url
-                WHERE file_path IS NULL
-                "#,
-            )
-            .await?;
-
-        manager
-            .alter_table(
-                Table::alter()
-                    .table(SoundboardSounds::Table)
-                    .modify_column(
-                        ColumnDef::new(SoundboardSounds::FilePath)
-                            .string()
-                            .not_null(),
-                    )
-                    .to_owned(),
-            )
-            .await
-    }
-}
-
-#[derive(DeriveIden)]
-enum SoundboardSounds {
-    Table,
-    FilePath,
-}

src/migration/mod.rs

@@ -6,9 +6,6 @@ mod m20260213_000003_channel_kind;
 mod m20260213_000004_direct_messages;
 mod m20260224_000005_soundboard;
 mod m20260227_000006_attachments;
-mod m20260227_000007_sessions;
-mod m20260227_000008_soundboard_media;
-mod m20260227_000009_soundboard_file_path_nullable;
 
 pub struct Migrator;
 
@@ -22,9 +19,6 @@ impl MigratorTrait for Migrator {
             Box::new(m20260213_000004_direct_messages::Migration),
             Box::new(m20260224_000005_soundboard::Migration),
             Box::new(m20260227_000006_attachments::Migration),
-            Box::new(m20260227_000007_sessions::Migration),
-            Box::new(m20260227_000008_soundboard_media::Migration),
-            Box::new(m20260227_000009_soundboard_file_path_nullable::Migration),
         ]
     }
 }

src/models.rs

@@ -30,6 +30,15 @@ pub struct Channel {
     pub created_at: DateTimeWithTimeZone,
 }
 
+#[derive(Debug, Clone, Serialize)]
+pub struct Message {
+    pub id: Uuid,
+    pub channel_id: Uuid,
+    pub author_user_id: Uuid,
+    pub body: String,
+    pub created_at: DateTimeWithTimeZone,
+}
+
 #[derive(Debug, Clone, Serialize)]
 pub struct Attachment {
     pub id: Uuid,
@@ -93,9 +102,7 @@ pub struct SoundboardSound {
     pub guild_id: Uuid,
     pub name: String,
     pub icon: String,
-    pub media_url: String,
+    pub file_path: String,
-    pub mime_type: Option<String>,
-    pub size_bytes: Option<i64>,
     pub created_by_user_id: Uuid,
     pub created_at: DateTimeWithTimeZone,
 }

src/voice.rs

@@ -10,7 +10,7 @@ use crate::{AppState, db};
 
 #[derive(Default)]
 pub struct VoiceHub {
-    rooms: RwLock<HashMap<Uuid, HashMap<Uuid, HashMap<Uuid, ClientHandle>>>>,
+    rooms: RwLock<HashMap<Uuid, HashMap<Uuid, ClientHandle>>>,
 }
 
 #[derive(Clone)]
@@ -72,7 +72,7 @@ enum ServerEvent {
     },
     PlaySound {
         user_id: Uuid,
-        media_url: String,
+        sound_url: String,
     },
 }
 
@@ -97,20 +97,10 @@ enum ClientEvent {
         is_muted: bool,
     },
     PlaySound {
-        sound_id: Uuid,
+        sound_url: String,
     },
 }
 
-#[derive(Default)]
-struct VoiceStateChange {
-    joined: Option<VoiceParticipant>,
-    left_user_id: Option<Uuid>,
-    video_changed: Option<(Uuid, bool)>,
-    screen_changed: Option<(Uuid, bool)>,
-    speaking_changed: Option<(Uuid, bool)>,
-    mute_changed: Option<(Uuid, bool)>,
-}
-
 impl VoiceHub {
     pub async fn participants(&self, room_id: Uuid) -> Vec<VoiceParticipant> {
         let rooms = self.rooms.read().await;
@@ -119,7 +109,14 @@ impl VoiceHub {
         };
 
         room.iter()
-            .filter_map(|(user_id, connections)| aggregate_participant(Some(connections), *user_id))
+            .map(|(user_id, handle)| VoiceParticipant {
+                user_id: *user_id,
+                display_name: handle.display_name.clone(),
+                is_sharing_video: handle.is_sharing_video,
+                is_sharing_screen: handle.is_sharing_screen,
+                is_speaking: handle.is_speaking,
+                is_muted: handle.is_muted,
+            })
             .collect()
     }
 
@@ -127,23 +124,28 @@ impl VoiceHub {
         &self,
         room_id: Uuid,
         user_id: Uuid,
-        connection_id: Uuid,
         display_name: String,
         tx: mpsc::UnboundedSender<ServerEvent>,
-    ) -> (Vec<VoiceParticipant>, VoiceStateChange) {
+    ) -> Vec<VoiceParticipant> {
         let mut rooms = self.rooms.write().await;
         let room = rooms.entry(room_id).or_default();
 
         let peers = room
             .iter()
-            .filter_map(|(peer_id, connections)| aggregate_participant(Some(connections), *peer_id))
+            .map(|(peer_id, peer)| VoiceParticipant {
+                user_id: *peer_id,
+                display_name: peer.display_name.clone(),
+                is_sharing_video: peer.is_sharing_video,
+                is_sharing_screen: peer.is_sharing_screen,
+                is_speaking: peer.is_speaking,
+                is_muted: peer.is_muted,
+            })
             .collect::<Vec<_>>();
 
-        let previous = aggregate_participant(room.get(&user_id), user_id);
+        room.insert(
-        room.entry(user_id).or_default().insert(
+            user_id,
-            connection_id,
             ClientHandle {
-                display_name,
+                display_name: display_name.clone(),
                 is_sharing_video: false,
                 is_sharing_screen: false,
                 is_speaking: false,
@@ -151,31 +153,34 @@ impl VoiceHub {
                 tx,
             },
         );
-        let current = aggregate_participant(room.get(&user_id), user_id);
 
-        (peers, diff_voice_state(previous, current))
+        for (peer_id, peer) in room.iter() {
+            if *peer_id != user_id {
+                let _ = peer.tx.send(ServerEvent::PeerJoined {
+                    user_id,
+                    display_name: display_name.clone(),
+                });
+            }
         }
 
-    async fn leave(&self, room_id: Uuid, user_id: Uuid, connection_id: Uuid) -> VoiceStateChange {
+        peers
+    }
+
+    async fn leave(&self, room_id: Uuid, user_id: Uuid) {
         let mut rooms = self.rooms.write().await;
         let Some(room) = rooms.get_mut(&room_id) else {
-            return VoiceStateChange::default();
+            return;
         };
 
-        let previous = aggregate_participant(room.get(&user_id), user_id);
-        if let Some(connections) = room.get_mut(&user_id) {
-            connections.remove(&connection_id);
-            if connections.is_empty() {
         room.remove(&user_id);
+
+        for peer in room.values() {
+            let _ = peer.tx.send(ServerEvent::PeerLeft { user_id });
         }
-        }
-        let current = aggregate_participant(room.get(&user_id), user_id);
 
         if room.is_empty() {
             rooms.remove(&room_id);
         }
-
-        diff_voice_state(previous, current)
     }
 
     pub async fn relay_signal(
@@ -191,10 +196,7 @@ impl VoiceHub {
             return;
         };
 
-        if let Some(target) = room
+        if let Some(target) = room.get(&to_user_id) {
-            .get(&to_user_id)
-            .and_then(|connections| connections.values().next())
-        {
             let _ = target.tx.send(ServerEvent::Signal {
                 from_user_id,
                 kind,
@@ -203,185 +205,99 @@ impl VoiceHub {
         }
     }
 
-    async fn set_video_status(
+    pub async fn set_video_status(&self, room_id: Uuid, user_id: Uuid, is_sharing_video: bool) {
-        &self,
-        room_id: Uuid,
-        user_id: Uuid,
-        connection_id: Uuid,
-        is_sharing_video: bool,
-    ) -> VoiceStateChange {
         let mut rooms = self.rooms.write().await;
         let Some(room) = rooms.get_mut(&room_id) else {
-            return VoiceStateChange::default();
-        };
-
-        let previous = aggregate_participant(room.get(&user_id), user_id);
-        if let Some(handle) = room
-            .get_mut(&user_id)
-            .and_then(|connections| connections.get_mut(&connection_id))
-        {
-            handle.is_sharing_video = is_sharing_video;
-        }
-        let current = aggregate_participant(room.get(&user_id), user_id);
-        diff_voice_state(previous, current)
-    }
-
-    async fn set_screen_status(
-        &self,
-        room_id: Uuid,
-        user_id: Uuid,
-        connection_id: Uuid,
-        is_sharing_screen: bool,
-    ) -> VoiceStateChange {
-        let mut rooms = self.rooms.write().await;
-        let Some(room) = rooms.get_mut(&room_id) else {
-            return VoiceStateChange::default();
-        };
-
-        let previous = aggregate_participant(room.get(&user_id), user_id);
-        if let Some(handle) = room
-            .get_mut(&user_id)
-            .and_then(|connections| connections.get_mut(&connection_id))
-        {
-            handle.is_sharing_screen = is_sharing_screen;
-        }
-        let current = aggregate_participant(room.get(&user_id), user_id);
-        diff_voice_state(previous, current)
-    }
-
-    async fn set_speaking_status(
-        &self,
-        room_id: Uuid,
-        user_id: Uuid,
-        connection_id: Uuid,
-        is_speaking: bool,
-    ) -> VoiceStateChange {
-        let mut rooms = self.rooms.write().await;
-        let Some(room) = rooms.get_mut(&room_id) else {
-            return VoiceStateChange::default();
-        };
-
-        let previous = aggregate_participant(room.get(&user_id), user_id);
-        if let Some(handle) = room
-            .get_mut(&user_id)
-            .and_then(|connections| connections.get_mut(&connection_id))
-        {
-            handle.is_speaking = is_speaking;
-        }
-        let current = aggregate_participant(room.get(&user_id), user_id);
-        diff_voice_state(previous, current)
-    }
-
-    async fn set_mute_status(
-        &self,
-        room_id: Uuid,
-        user_id: Uuid,
-        connection_id: Uuid,
-        is_muted: bool,
-    ) -> VoiceStateChange {
-        let mut rooms = self.rooms.write().await;
-        let Some(room) = rooms.get_mut(&room_id) else {
-            return VoiceStateChange::default();
-        };
-
-        let previous = aggregate_participant(room.get(&user_id), user_id);
-        if let Some(handle) = room
-            .get_mut(&user_id)
-            .and_then(|connections| connections.get_mut(&connection_id))
-        {
-            handle.is_muted = is_muted;
-        }
-        let current = aggregate_participant(room.get(&user_id), user_id);
-        diff_voice_state(previous, current)
-    }
-
-    pub async fn play_sound(&self, room_id: Uuid, user_id: Uuid, media_url: String) {
-        let rooms = self.rooms.read().await;
-        let Some(room) = rooms.get(&room_id) else {
             return;
         };
 
-        for (peer_id, connections) in room.iter() {
+        if let Some(handle) = room.get_mut(&user_id) {
-            if *peer_id == user_id {
+            handle.is_sharing_video = is_sharing_video;
-                continue;
+
-            }
+            for (peer_id, peer) in room.iter() {
-            for peer in connections.values() {
+                if *peer_id != user_id {
-                let _ = peer.tx.send(ServerEvent::PlaySound {
+                    let _ = peer.tx.send(ServerEvent::VideoStatusChanged {
                         user_id,
-                    media_url: media_url.clone(),
+                        is_sharing_video,
                     });
                 }
             }
         }
-
-    async fn emit_change(&self, room_id: Uuid, user_id: Uuid, change: VoiceStateChange) {
-        if is_voice_state_change_empty(&change) {
-            return;
     }
 
+    pub async fn set_screen_status(&self, room_id: Uuid, user_id: Uuid, is_sharing_screen: bool) {
+        let mut rooms = self.rooms.write().await;
+        let Some(room) = rooms.get_mut(&room_id) else {
+            return;
+        };
+
+        if let Some(handle) = room.get_mut(&user_id) {
+            handle.is_sharing_screen = is_sharing_screen;
+
+            for (peer_id, peer) in room.iter() {
+                if *peer_id != user_id {
+                    let _ = peer.tx.send(ServerEvent::ScreenStatusChanged {
+                        user_id,
+                        is_sharing_screen,
+                    });
+                }
+            }
+        }
+    }
+
+    pub async fn set_speaking_status(&self, room_id: Uuid, user_id: Uuid, is_speaking: bool) {
+        let mut rooms = self.rooms.write().await;
+        let Some(room) = rooms.get_mut(&room_id) else {
+            return;
+        };
+
+        if let Some(handle) = room.get_mut(&user_id) {
+            handle.is_speaking = is_speaking;
+
+            for (peer_id, peer) in room.iter() {
+                if *peer_id != user_id {
+                    let _ = peer.tx.send(ServerEvent::SpeakingStatusChanged {
+                        user_id,
+                        is_speaking,
+                    });
+                }
+            }
+        }
+    }
+
+    pub async fn set_mute_status(&self, room_id: Uuid, user_id: Uuid, is_muted: bool) {
+        let mut rooms = self.rooms.write().await;
+        let Some(room) = rooms.get_mut(&room_id) else {
+            return;
+        };
+
+        if let Some(handle) = room.get_mut(&user_id) {
+            handle.is_muted = is_muted;
+
+            for (peer_id, peer) in room.iter() {
+                if *peer_id != user_id {
+                    let _ = peer
+                        .tx
+                        .send(ServerEvent::MuteStatusChanged { user_id, is_muted });
+                }
+            }
+        }
+    }
+
+    pub async fn play_sound(&self, room_id: Uuid, user_id: Uuid, sound_url: String) {
         let rooms = self.rooms.read().await;
         let Some(room) = rooms.get(&room_id) else {
             return;
         };
 
-        if let Some(participant) = change.joined {
+        for (peer_id, peer) in room.iter() {
-            broadcast_voice_event(
+            if *peer_id == user_id {
-                room,
+                continue;
-                user_id,
-                ServerEvent::PeerJoined {
-                    user_id: participant.user_id,
-                    display_name: participant.display_name,
-                },
-            );
             }
-        if let Some(left_user_id) = change.left_user_id {
+            let _ = peer.tx.send(ServerEvent::PlaySound {
-            broadcast_voice_event(
-                room,
                 user_id,
-                ServerEvent::PeerLeft {
+                sound_url: sound_url.clone(),
-                    user_id: left_user_id,
+            });
-                },
-            );
-        }
-        if let Some((changed_user_id, is_sharing_video)) = change.video_changed {
-            broadcast_voice_event(
-                room,
-                user_id,
-                ServerEvent::VideoStatusChanged {
-                    user_id: changed_user_id,
-                    is_sharing_video,
-                },
-            );
-        }
-        if let Some((changed_user_id, is_sharing_screen)) = change.screen_changed {
-            broadcast_voice_event(
-                room,
-                user_id,
-                ServerEvent::ScreenStatusChanged {
-                    user_id: changed_user_id,
-                    is_sharing_screen,
-                },
-            );
-        }
-        if let Some((changed_user_id, is_speaking)) = change.speaking_changed {
-            broadcast_voice_event(
-                room,
-                user_id,
-                ServerEvent::SpeakingStatusChanged {
-                    user_id: changed_user_id,
-                    is_speaking,
-                },
-            );
-        }
-        if let Some((changed_user_id, is_muted)) = change.mute_changed {
-            broadcast_voice_event(
-                room,
-                user_id,
-                ServerEvent::MuteStatusChanged {
-                    user_id: changed_user_id,
-                    is_muted,
-                },
-            );
         }
     }
 }
@@ -390,26 +306,15 @@ pub async fn handle_socket(state: AppState, socket: WebSocket, room_id: Uuid, us
     let Some(user) = db::get_user_by_id(&state.db, user_id).await.ok().flatten() else {
         return;
     };
-    let Ok(Some(guild_id)) = db::guild_id_for_channel(&state.db, room_id).await else {
-        return;
-    };
 
     let (mut ws_sender, mut ws_receiver) = socket.split();
     let (tx, mut rx) = mpsc::unbounded_channel::<ServerEvent>();
-    let connection_id = Uuid::new_v4();
 
-    let (peers, change) = state
+    let peers = state
         .voice
-        .join(
+        .join(room_id, user_id, user.display_name.clone(), tx.clone())
-            room_id,
-            user_id,
-            connection_id,
-            user.display_name.clone(),
-            tx.clone(),
-        )
         .await;
     let _ = tx.send(ServerEvent::Peers { peers });
-    state.voice.emit_change(room_id, user_id, change).await;
 
     let send_task = tokio::spawn(async move {
         while let Some(event) = rx.recv().await {
@@ -438,42 +343,31 @@ pub async fn handle_socket(state: AppState, socket: WebSocket, room_id: Uuid, us
                             .await;
                     }
                     Ok(ClientEvent::SetVideoStatus { is_sharing_video }) => {
-                        let change = state
-                            .voice
-                            .set_video_status(room_id, user_id, connection_id, is_sharing_video)
-                            .await;
-                        state.voice.emit_change(room_id, user_id, change).await;
-                    }
-                    Ok(ClientEvent::SetScreenStatus { is_sharing_screen }) => {
-                        let change = state
-                            .voice
-                            .set_screen_status(room_id, user_id, connection_id, is_sharing_screen)
-                            .await;
-                        state.voice.emit_change(room_id, user_id, change).await;
-                    }
-                    Ok(ClientEvent::SetSpeakingStatus { is_speaking }) => {
-                        let change = state
-                            .voice
-                            .set_speaking_status(room_id, user_id, connection_id, is_speaking)
-                            .await;
-                        state.voice.emit_change(room_id, user_id, change).await;
-                    }
-                    Ok(ClientEvent::SetMuteStatus { is_muted }) => {
-                        let change = state
-                            .voice
-                            .set_mute_status(room_id, user_id, connection_id, is_muted)
-                            .await;
-                        state.voice.emit_change(room_id, user_id, change).await;
-                    }
-                    Ok(ClientEvent::PlaySound { sound_id }) => {
-                        if let Ok(Some(sound)) = db::get_sound_by_id(&state.db, sound_id).await
-                            && sound.guild_id == guild_id
-                        {
                         state
                             .voice
-                                .play_sound(room_id, user_id, sound.media_url)
+                            .set_video_status(room_id, user_id, is_sharing_video)
                             .await;
                     }
+                    Ok(ClientEvent::SetScreenStatus { is_sharing_screen }) => {
+                        state
+                            .voice
+                            .set_screen_status(room_id, user_id, is_sharing_screen)
+                            .await;
+                    }
+                    Ok(ClientEvent::SetSpeakingStatus { is_speaking }) => {
+                        state
+                            .voice
+                            .set_speaking_status(room_id, user_id, is_speaking)
+                            .await;
+                    }
+                    Ok(ClientEvent::SetMuteStatus { is_muted }) => {
+                        state
+                            .voice
+                            .set_mute_status(room_id, user_id, is_muted)
+                            .await;
+                    }
+                    Ok(ClientEvent::PlaySound { sound_url }) => {
+                        state.voice.play_sound(room_id, user_id, sound_url).await;
                     }
                     Err(err) => {
                         let _ = tx.send(ServerEvent::Error {
@@ -488,183 +382,5 @@ pub async fn handle_socket(state: AppState, socket: WebSocket, room_id: Uuid, us
     }
 
     send_task.abort();
-    let change = state.voice.leave(room_id, user_id, connection_id).await;
+    state.voice.leave(room_id, user_id).await;
-    state.voice.emit_change(room_id, user_id, change).await;
-}
-
-fn aggregate_participant(
-    connections: Option<&HashMap<Uuid, ClientHandle>>,
-    user_id: Uuid,
-) -> Option<VoiceParticipant> {
-    let connections = connections?;
-    if connections.is_empty() {
-        return None;
-    }
-
-    let mut handles = connections.values();
-    let first = handles.next()?;
-    Some(VoiceParticipant {
-        user_id,
-        display_name: first.display_name.clone(),
-        is_sharing_video: connections.values().any(|handle| handle.is_sharing_video),
-        is_sharing_screen: connections.values().any(|handle| handle.is_sharing_screen),
-        is_speaking: connections.values().any(|handle| handle.is_speaking),
-        is_muted: connections.values().all(|handle| handle.is_muted),
-    })
-}
-
-fn diff_voice_state(
-    previous: Option<VoiceParticipant>,
-    current: Option<VoiceParticipant>,
-) -> VoiceStateChange {
-    match (previous, current) {
-        (None, None) => VoiceStateChange::default(),
-        (None, Some(current)) => VoiceStateChange {
-            joined: Some(current),
-            ..Default::default()
-        },
-        (Some(previous), None) => VoiceStateChange {
-            left_user_id: Some(previous.user_id),
-            ..Default::default()
-        },
-        (Some(previous), Some(current)) => VoiceStateChange {
-            video_changed: (previous.is_sharing_video != current.is_sharing_video)
-                .then_some((current.user_id, current.is_sharing_video)),
-            screen_changed: (previous.is_sharing_screen != current.is_sharing_screen)
-                .then_some((current.user_id, current.is_sharing_screen)),
-            speaking_changed: (previous.is_speaking != current.is_speaking)
-                .then_some((current.user_id, current.is_speaking)),
-            mute_changed: (previous.is_muted != current.is_muted)
-                .then_some((current.user_id, current.is_muted)),
-            ..Default::default()
-        },
-    }
-}
-
-fn broadcast_voice_event(
-    room: &HashMap<Uuid, HashMap<Uuid, ClientHandle>>,
-    source_user_id: Uuid,
-    event: ServerEvent,
-) {
-    for (peer_id, connections) in room {
-        if *peer_id == source_user_id {
-            continue;
-        }
-        for peer in connections.values() {
-            let _ = peer.tx.send(event.clone());
-        }
-    }
-}
-
-fn is_voice_state_change_empty(change: &VoiceStateChange) -> bool {
-    change.joined.is_none()
-        && change.left_user_id.is_none()
-        && change.video_changed.is_none()
-        && change.screen_changed.is_none()
-        && change.speaking_changed.is_none()
-        && change.mute_changed.is_none()
-}
-
-#[cfg(test)]
-mod tests {
-    use super::{VoiceHub, aggregate_participant};
-    use std::collections::HashMap;
-    use tokio::sync::mpsc;
-    use uuid::Uuid;
-
-    #[tokio::test]
-    async fn multiple_connections_keep_voice_participant_until_last_leave() {
-        let hub = VoiceHub::default();
-        let room_id = Uuid::new_v4();
-        let user_id = Uuid::new_v4();
-        let first_connection = Uuid::new_v4();
-        let second_connection = Uuid::new_v4();
-        let (tx1, _rx1) = mpsc::unbounded_channel();
-        let (tx2, _rx2) = mpsc::unbounded_channel();
-
-        let (_peers, first_join) = hub
-            .join(room_id, user_id, first_connection, "User".to_string(), tx1)
-            .await;
-        let (_peers, second_join) = hub
-            .join(room_id, user_id, second_connection, "User".to_string(), tx2)
-            .await;
-        let first_leave = hub.leave(room_id, user_id, first_connection).await;
-        let second_leave = hub.leave(room_id, user_id, second_connection).await;
-
-        assert!(first_join.joined.is_some());
-        assert!(second_join.joined.is_none());
-        assert!(first_leave.left_user_id.is_none());
-        assert_eq!(second_leave.left_user_id, Some(user_id));
-    }
-
-    #[tokio::test]
-    async fn voice_mute_state_only_flips_when_all_connections_are_muted() {
-        let hub = VoiceHub::default();
-        let room_id = Uuid::new_v4();
-        let user_id = Uuid::new_v4();
-        let first_connection = Uuid::new_v4();
-        let second_connection = Uuid::new_v4();
-        let (tx1, _rx1) = mpsc::unbounded_channel();
-        let (tx2, _rx2) = mpsc::unbounded_channel();
-
-        let _ = hub
-            .join(room_id, user_id, first_connection, "User".to_string(), tx1)
-            .await;
-        let _ = hub
-            .join(room_id, user_id, second_connection, "User".to_string(), tx2)
-            .await;
-
-        let first_mute = hub
-            .set_mute_status(room_id, user_id, first_connection, true)
-            .await;
-        let second_mute = hub
-            .set_mute_status(room_id, user_id, second_connection, true)
-            .await;
-        let unmute = hub
-            .set_mute_status(room_id, user_id, first_connection, false)
-            .await;
-
-        assert!(first_mute.mute_changed.is_none());
-        assert_eq!(second_mute.mute_changed, Some((user_id, true)));
-        assert_eq!(unmute.mute_changed, Some((user_id, false)));
-    }
-
-    #[test]
-    fn aggregate_participant_combines_connection_state() {
-        let user_id = Uuid::new_v4();
-        let first_connection = Uuid::new_v4();
-        let second_connection = Uuid::new_v4();
-        let mut connections = HashMap::new();
-        let (tx1, _rx1) = mpsc::unbounded_channel();
-        let (tx2, _rx2) = mpsc::unbounded_channel();
-
-        connections.insert(
-            first_connection,
-            super::ClientHandle {
-                display_name: "User".to_string(),
-                is_sharing_video: true,
-                is_sharing_screen: false,
-                is_speaking: false,
-                is_muted: true,
-                tx: tx1,
-            },
-        );
-        connections.insert(
-            second_connection,
-            super::ClientHandle {
-                display_name: "User".to_string(),
-                is_sharing_video: false,
-                is_sharing_screen: true,
-                is_speaking: true,
-                is_muted: false,
-                tx: tx2,
-            },
-        );
-
-        let participant = aggregate_participant(Some(&connections), user_id).unwrap();
-        assert!(participant.is_sharing_video);
-        assert!(participant.is_sharing_screen);
-        assert!(participant.is_speaking);
-        assert!(!participant.is_muted);
-    }
 }

static/index.html

@@ -6,9 +6,12 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
   <title>Chattz</title>
+  <link rel="preconnect" href="https://fonts.googleapis.com">
+  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
   <link rel="stylesheet" href="/static/styles.css" />
   <!-- Lucide Icons -->
-  <script src="/static/vendor/lucide.min.js"></script>
+  <script src="https://unpkg.com/lucide@latest"></script>
 </head>
 
 <body>
@@ -117,10 +120,6 @@
             <div class="user-status">Online</div>
           </div>
           <div class="user-actions">
-            <div id="update-notifier" class="update-notifier hidden">
-              <button id="update-download-btn" title="Download Update"><i data-lucide="download"></i></button>
-              <button id="update-install-btn" title="Install Update" class="hidden"><i data-lucide="arrow-up-circle"></i></button>
-            </div>
             <button id="user-settings-btn" title="Settings"><i data-lucide="settings"></i></button>
             <button id="logout-btn" title="Logout"><i data-lucide="log-out"></i></button>
           </div>
@@ -271,16 +270,6 @@
     </div>
   </div>
 
-  <div id="upload-limit-modal" class="modal-container hidden">
-    <div class="modal">
-      <h2>Upload Too Large</h2>
-      <p id="upload-limit-message" class="modal-copy">Uploads are limited to 50 MB per file.</p>
-      <div class="modal-footer">
-        <button type="button" class="submit-btn" id="upload-limit-ok">OK</button>
-      </div>
-    </div>
-  </div>
-
   <script type="module" src="/static/app.js?v=20260227-shared-core-1"></script>
 </body>
 

static/shared/app-core.js

@@ -1,5 +1,4 @@
 const state = {
-  sessionActive: false,
   me: null,
   guilds: [],
   channels: [],
@@ -29,7 +28,6 @@ const state = {
     viewMode: 'chat', // 'chat' or 'video'
     iceServers: [{ urls: "stun:stun.l.google.com:19302" }],
     peerGainNodes: new Map(), // userId -> GainNode
-    peerAudioNodes: new Map(), // userId -> { sourceNode, compressorNode, gainNode }
     visibleVolumeSliders: new Set(), // userIds whose sliders are visible
   },
   voicePresencePollId: null,
@@ -40,8 +38,15 @@ const state = {
   userVolumes: new Map(), // userId -> volume (0.0 to 2.0)
 };
 
-// --- Storage ---
+// --- Desktop Backend Configuration ---
+let API_BASE_URL = ''; // Will be initialized via IPC
 const LAST_GUILD_STORAGE_KEY = "chattz:lastGuildId";
+const PERSISTED_STORAGE_KEYS = [
+  "chattz_token",
+  "chattz_refresh_token",
+  LAST_GUILD_STORAGE_KEY,
+  "active_voice_channel",
+];
 
 function storageGet(key) {
   return localStorage.getItem(key);
@@ -49,15 +54,103 @@ function storageGet(key) {
 
 function storageSet(key, value) {
   localStorage.setItem(key, value);
+  if (window.electronAPI?.storageSet) {
+    void window.electronAPI.storageSet(key, value).catch((err) => {
+      console.warn("Failed to persist storage key", key, err);
+    });
+  }
 }
 
 function storageRemove(key) {
   localStorage.removeItem(key);
+  if (window.electronAPI?.storageRemove) {
+    void window.electronAPI.storageRemove(key).catch((err) => {
+      console.warn("Failed to remove persisted storage key", key, err);
+    });
+  }
+}
+
+async function storageSetCritical(key, value) {
+  localStorage.setItem(key, value);
+  if (window.electronAPI?.storageSet) {
+    try {
+      await window.electronAPI.storageSet(key, value);
+    } catch (err) {
+      console.warn("Failed to persist critical storage key", key, err);
+    }
+  }
+}
+
+async function storageRemoveCritical(key) {
+  localStorage.removeItem(key);
+  if (window.electronAPI?.storageRemove) {
+    try {
+      await window.electronAPI.storageRemove(key);
+    } catch (err) {
+      console.warn("Failed to remove critical storage key", key, err);
+    }
+  }
+}
+
+async function hydrateDesktopStorage() {
+  if (!window.electronAPI?.storageGet) return;
+  for (const key of PERSISTED_STORAGE_KEYS) {
+    try {
+      // IPC file store (renderer-storage.json) is the source of truth —
+      // it always survives restarts, unlike localStorage on file:// URLs.
+      const val = await window.electronAPI.storageGet(key);
+      if (typeof val === "string") {
+        localStorage.setItem(key, val);
+      } else {
+        // IPC store is empty; backfill from localStorage if available
+        const localVal = localStorage.getItem(key);
+        if (localVal !== null) {
+          await window.electronAPI.storageSet(key, localVal);
+        }
+      }
+    } catch (err) {
+      console.warn("Failed to hydrate storage key", key, err);
+    }
+  }
+}
+
+async function initializeConfig() {
+  try {
+    if (window.electronAPI?.getConfig) {
+      const config = await window.electronAPI.getConfig();
+      API_BASE_URL = config.backendUrl;
+      console.log(`Backend initialized: ${API_BASE_URL}`);
+    } else {
+      API_BASE_URL = '';
+    }
+  } catch (err) {
+    console.error("Failed to fetch config via IPC", err);
+    // Fallback to URL search params if IPC fails (unlikely in desktop app)
+    const urlParams = new URLSearchParams(window.location.search);
+    API_BASE_URL = urlParams.get('backend') || '';
+  } finally {
+    // Start the app once config resolution has completed.
+    init();
+  }
 }
 
 function getWsUrl(path) {
+  let urlStr;
+  if (!API_BASE_URL) {
     const proto = location.protocol === "https:" ? "wss" : "ws";
-  return `${proto}://${location.host}${path}`;
+    urlStr = `${proto}://${location.host}${path}`;
+  } else {
+    const url = new URL(API_BASE_URL);
+    const proto = url.protocol === "https:" ? "wss" : "ws";
+    const normalizedPath = path.startsWith('/') ? path : `/${path}`;
+    urlStr = `${proto}://${url.host}${normalizedPath}`;
+  }
+
+  const token = storageGet("chattz_token");
+  if (token) {
+    urlStr += (urlStr.includes('?') ? '&' : '?') + `token=${token}`;
+  }
+  return urlStr;
 }
 
 
@@ -137,9 +230,6 @@ const el = {
   soundFile: document.getElementById('sound-file'),
   soundModalCancel: document.getElementById('sound-modal-cancel'),
   soundSubmitBtn: document.getElementById('sound-submit-btn'),
-  uploadLimitModal: document.getElementById('upload-limit-modal'),
-  uploadLimitMessage: document.getElementById('upload-limit-message'),
-  uploadLimitOk: document.getElementById('upload-limit-ok'),
 
   // Mobile
   mobileMenuBtn: document.getElementById("mobile-menu-btn"),
@@ -155,83 +245,57 @@ const el = {
   gifResults: document.getElementById("gif-results"),
 };
 
-function stopVoicePresencePolling() {
-  if (!state.voicePresencePollId) return;
-  clearInterval(state.voicePresencePollId);
-  state.voicePresencePollId = null;
-}
-
-function closeChatWs() {
-  if (!state.chatWs) return;
-  const ws = state.chatWs;
-  state.chatWs = null;
-  ws.onclose = null;
-  ws.onmessage = null;
-  ws.onerror = null;
-  try {
-    ws.close();
-  } catch { }
-}
-
-async function showLoggedOutState(message = "Session expired, please log in again") {
-  state.sessionActive = false;
-  stopVoicePresencePolling();
-  closeChatWs();
-  await leaveVoice();
-
-  state.me = null;
-  state.guilds = [];
-  state.channels = [];
-  state.dmConversations = [];
-  state.members = [];
-  state.voicePresence.clear();
-  state.selectedGuildId = null;
-  state.selectedTextChannelId = null;
-  state.selectedDmUserId = null;
-  state.selectedDmDisplayName = null;
-  state.selectedVoiceChannelId = null;
-  state.lastMessageId = null;
-  state.onlineUsers.clear();
-  state.idleUsers.clear();
-  state.userVolumes.clear();
-  state.voice.viewMode = 'chat';
-
-  el.userName.textContent = "Username";
-  el.userAvatar.textContent = "U";
-  el.status.textContent = message;
-  el.soundboard.classList.add("hidden");
-  el.voiceConnection.classList.add("hidden");
-  renderGuilds();
-  renderChannels();
-  renderDMs();
-  renderMembers();
-  renderMessages([]);
-  updateHeaderLabels();
-  el.main.classList.add("hidden");
-  el.authScreen.classList.remove("hidden");
-}
-
 // --- API Helpers ---
 
 async function api(path, options = {}) {
+  const fullUrl = API_BASE_URL ? (path.startsWith('http') ? path : `${API_BASE_URL}${path}`) : path;
+
   const headers = {
+    "content-type": "application/json",
     ...(options.headers || {}),
   };
-  if (!headers["content-type"] && options.body && !(options.body instanceof FormData)) {
+
-    headers["content-type"] = "application/json";
+  const token = storageGet("chattz_token");
+  if (token) {
+    headers["Authorization"] = `Bearer ${token}`;
   }
 
-  const res = await fetch(path, {
+  let res = await fetch(fullUrl, {
     ...options,
     headers,
-    credentials: "same-origin",
   });
 
-  if (res.status === 401) {
+  // Handle 401 Unauthorized via Refresh Token
-    await showLoggedOutState("Session expired, please log in again");
+  if (res.status === 401 && !path.includes('/auth/refresh')) {
-    const err = new Error("Session expired, please log in again");
+    const refreshToken = storageGet("chattz_refresh_token");
-    err.isAuthError = true;
+    if (refreshToken) {
-    throw err;
+      try {
+        const refreshUrl = API_BASE_URL ? `${API_BASE_URL}/auth/refresh` : '/auth/refresh';
+        const refreshRes = await fetch(refreshUrl, {
+          method: 'POST',
+          headers: { 'content-type': 'application/json' },
+          body: JSON.stringify({ refresh_token: refreshToken })
+        });
+
+        if (refreshRes.ok) {
+          const newTokens = await refreshRes.json();
+          await storageSetCritical("chattz_token", newTokens.access_token);
+          await storageSetCritical("chattz_refresh_token", newTokens.refresh_token);
+
+          // Retry original request with new token
+          headers["Authorization"] = `Bearer ${newTokens.access_token}`;
+          res = await fetch(fullUrl, { ...options, headers });
+        } else {
+          // Both tokens invalid/expired, wipe out to force clear state
+          throw new Error("Refresh token expired or invalid");
+        }
+      } catch (err) {
+        await storageRemoveCritical("chattz_token");
+        await storageRemoveCritical("chattz_refresh_token");
+        location.href = API_BASE_URL ? `${API_BASE_URL}/auth/login` : "/auth/login";
+        throw new Error("Session expired, please log in again");
+      }
+    }
   }
 
   if (!res.ok) {
@@ -269,18 +333,16 @@ function escapeHtml(s) {
     .replaceAll("'", "'");
 }
 
-const GIF_URL_REGEX = /(https?:\/\/[^\s]+(?:\.gif|\/giphy\.gif)[^\s]*)/gi;
+function formatMessageBody(body) {
-
+  const escaped = escapeHtml(body);
-function normalizeMediaUrl(raw) {
+  // Detect GIF URLs (simple regex for demo)
-  try {
+  const urlRegex = /(https?:\/\/[^\s]+(?:\.gif|\/giphy\.gif)[^\s]*)/gi;
-    const url = new URL(raw, location.origin);
+  if (urlRegex.test(body)) {
-    if (url.protocol !== "http:" && url.protocol !== "https:") {
+    return escaped.replace(urlRegex, (url) => {
-      return null;
+      return `<div class="msg-gif"><img src="${url}" loading="lazy" /></div>`;
-    }
+    });
-    return url.href;
-  } catch {
-    return null;
   }
+  return escaped;
 }
 
 function formatBytes(size) {
@@ -295,137 +357,29 @@ function formatBytes(size) {
   return `${value.toFixed(value >= 10 || unitIndex === 0 ? 0 : 1)} ${units[unitIndex]}`;
 }
 
-const MAX_MEDIA_UPLOAD_BYTES = 50 * 1024 * 1024;
+function renderAttachments(attachments = []) {
-
+  if (!attachments.length) return "";
-function buildMessageBody(body) {
-  const fragment = document.createDocumentFragment();
-  const text = String(body || "");
-  let cursor = 0;
-
-  for (const match of text.matchAll(new RegExp(GIF_URL_REGEX))) {
-    const [rawUrl] = match;
-    const start = match.index ?? 0;
-    if (start > cursor) {
-      fragment.appendChild(document.createTextNode(text.slice(cursor, start)));
-    }
-
-    const safeUrl = normalizeMediaUrl(rawUrl);
-    if (safeUrl) {
-      const gifWrap = document.createElement("div");
-      gifWrap.className = "msg-gif";
-
-      const image = document.createElement("img");
-      image.loading = "lazy";
-      image.src = safeUrl;
-      gifWrap.appendChild(image);
-      fragment.appendChild(gifWrap);
-    } else {
-      fragment.appendChild(document.createTextNode(rawUrl));
-    }
-
-    cursor = start + rawUrl.length;
-  }
-
-  if (cursor < text.length) {
-    fragment.appendChild(document.createTextNode(text.slice(cursor)));
-  }
-
-  return fragment;
-}
-
-function buildAttachments(attachments = []) {
-  const fragment = document.createDocumentFragment();
-
-  for (const attachment of attachments) {
-    const safeUrl = normalizeMediaUrl(attachment.media_url);
-    if (!safeUrl) continue;
 
+  return attachments.map((attachment) => {
+    const url = escapeHtml(attachment.media_url);
     const mime = attachment.mime_type || "application/octet-stream";
-    const fileName = attachment.original_filename || "file";
+    const fileName = escapeHtml(attachment.original_filename || "file");
     const size = formatBytes(attachment.size_bytes);
 
     if (mime.startsWith("image/")) {
-      const link = document.createElement("a");
+      return `<a class="msg-attachment msg-attachment-image" href="${url}" target="_blank" rel="noopener noreferrer"><img src="${url}" alt="${fileName}" loading="lazy" /></a>`;
-      link.className = "msg-attachment msg-attachment-image";
-      link.href = safeUrl;
-      link.target = "_blank";
-      link.rel = "noopener noreferrer";
-
-      const image = document.createElement("img");
-      image.src = safeUrl;
-      image.alt = fileName;
-      image.loading = "lazy";
-      link.appendChild(image);
-      fragment.appendChild(link);
-      continue;
     }
 
     if (mime.startsWith("video/")) {
-      const wrapper = document.createElement("div");
+      return `<div class="msg-attachment msg-attachment-video"><video controls preload="metadata" src="${url}"></video></div>`;
-      wrapper.className = "msg-attachment msg-attachment-video";
-
-      const video = document.createElement("video");
-      video.controls = true;
-      video.preload = "metadata";
-      video.src = safeUrl;
-      wrapper.appendChild(video);
-      fragment.appendChild(wrapper);
-      continue;
     }
 
     if (mime.startsWith("audio/")) {
-      const wrapper = document.createElement("div");
+      return `<div class="msg-attachment msg-attachment-audio"><audio controls preload="metadata" src="${url}"></audio><a href="${url}" target="_blank" rel="noopener noreferrer">${fileName}</a></div>`;
-      wrapper.className = "msg-attachment msg-attachment-audio";
-
-      const audio = document.createElement("audio");
-      audio.controls = true;
-      audio.preload = "metadata";
-      audio.src = safeUrl;
-      wrapper.appendChild(audio);
-
-      const link = document.createElement("a");
-      link.href = safeUrl;
-      link.target = "_blank";
-      link.rel = "noopener noreferrer";
-      link.textContent = fileName;
-      wrapper.appendChild(link);
-
-      fragment.appendChild(wrapper);
-      continue;
     }
 
-    const link = document.createElement("a");
+    return `<a class="msg-attachment msg-attachment-file" href="${url}" target="_blank" rel="noopener noreferrer"><i data-lucide="file"></i><span>${fileName}</span><small>${size}</small></a>`;
-    link.className = "msg-attachment msg-attachment-file";
+  }).join("");
-    link.href = safeUrl;
-    link.target = "_blank";
-    link.rel = "noopener noreferrer";
-
-    const icon = document.createElement("i");
-    icon.setAttribute("data-lucide", "file");
-    link.appendChild(icon);
-
-    const name = document.createElement("span");
-    name.textContent = fileName;
-    link.appendChild(name);
-
-    const meta = document.createElement("small");
-    meta.textContent = size;
-    link.appendChild(meta);
-
-    fragment.appendChild(link);
-  }
-
-  return fragment;
-}
-
-function showMediaUploadLimitError(file) {
-  const selectedSize = formatBytes(file?.size || 0);
-  if (el.uploadLimitModal && el.uploadLimitMessage) {
-    el.uploadLimitMessage.textContent = `Uploads are limited to 50 MB per file. Selected file size: ${selectedSize}.`;
-    el.uploadLimitModal.classList.remove("hidden");
-    return;
-  }
-  alert(`Uploads are limited to 50 MB per file.\nSelected file size: ${selectedSize}.`);
 }
 
 function formatDate(isoString) {
@@ -577,103 +531,50 @@ function renderChannels() {
         pList.style.paddingLeft = "24px";
         for (const p of participants) {
           const pRow = document.createElement("div");
-          pRow.className = `channel-row voice-participant-row ${p.is_speaking ? 'voice-speaking' : ''}`;
+          pRow.className = `channel-row ${p.is_speaking ? 'voice-speaking' : ''}`;
-          pRow.style.display = "block";
           pRow.style.padding = "2px 8px";
           pRow.style.flexWrap = "wrap";
 
-          const topRow = document.createElement("div");
+          let sliderHtml = '';
-          topRow.style.display = "flex";
+          if (p.user_id !== state.me.id) {
-          topRow.style.alignItems = "center";
+            const vol = state.userVolumes.get(p.user_id) ?? 1.0;
-          topRow.style.gap = "8px";
+            const isVisible = state.voice.visibleVolumeSliders.has(p.user_id);
-          topRow.style.width = "100%";
+            sliderHtml = `
-
+              <div class="user-volume-control ${isVisible ? 'show-volume' : ''}" data-user-id="${p.user_id}">
-          const avatar = document.createElement("div");
+                <i data-lucide="volume-2" style="width: 12px; height: 12px; opacity: 0.6;"></i>
-          avatar.className = "avatar";
+                <input type="range" min="0" max="2" step="0.1" value="${vol}" class="volume-slider">
-          avatar.style.width = "20px";
+                <span class="vol-pct">${Math.round(vol * 100)}%</span>
-          avatar.style.height = "20px";
+              </div>
-          avatar.style.fontSize = "10px";
+            `;
-          avatar.textContent = shortName(p.display_name);
-          topRow.appendChild(avatar);
-
-          const name = document.createElement("span");
-          name.style.flex = "1";
-          name.style.overflow = "hidden";
-          name.style.textOverflow = "ellipsis";
-          name.textContent = p.display_name;
-          topRow.appendChild(name);
-
-          const isRemoteParticipant = p.user_id !== state.me.id;
-          if (isRemoteParticipant) {
-            const volumeToggle = document.createElement("button");
-            volumeToggle.type = "button";
-            volumeToggle.title = "Toggle volume slider";
-            volumeToggle.style.display = "grid";
-            volumeToggle.style.placeItems = "center";
-            volumeToggle.style.width = "20px";
-            volumeToggle.style.height = "20px";
-            volumeToggle.style.color = "var(--text-muted)";
-            volumeToggle.innerHTML = '<i data-lucide="volume-2" style="width: 14px; height: 14px;"></i>';
-            topRow.appendChild(volumeToggle);
-
-            volumeToggle.addEventListener('click', (e) => {
-              toggleVolumeSlider(e);
-            });
           }
 
-          if (p.is_muted) {
+          pRow.innerHTML = `
-            const muteIcon = document.createElement("i");
+            <div style="display: flex; align-items: center; gap: 8px; width: 100%;">
-            muteIcon.setAttribute("data-lucide", "mic-off");
+              <div class="avatar" style="width:20px;height:20px;font-size:10px">${shortName(p.display_name)}</div> 
-            muteIcon.className = "voice-muted-icon";
+              <span style="flex: 1; overflow: hidden; text-overflow: ellipsis;">${escapeHtml(p.display_name)}</span>
-            topRow.appendChild(muteIcon);
+              ${p.is_muted ? '<i data-lucide="mic-off" class="voice-muted-icon"></i>' : ''}
-          }
+            </div>
-
+            ${sliderHtml}
-          pRow.appendChild(topRow);
+          `;
-
-          const volumeControl = document.createElement("div");
-          volumeControl.className = `user-volume-control ${state.voice.visibleVolumeSliders.has(p.user_id) ? 'show-volume' : ''}`;
-          volumeControl.dataset.userId = p.user_id;
-
-          if (isRemoteParticipant) {
-            const volumeIcon = document.createElement("i");
-            volumeIcon.setAttribute("data-lucide", "volume-2");
-            volumeIcon.style.width = "12px";
-            volumeIcon.style.height = "12px";
-            volumeIcon.style.opacity = "0.6";
-            volumeControl.appendChild(volumeIcon);
-
-            const slider = document.createElement("input");
-            slider.type = "range";
-            slider.min = "0";
-            slider.max = "2";
-            slider.step = "0.1";
-            slider.value = String(state.userVolumes.get(p.user_id) ?? 1.0);
-            slider.className = "volume-slider";
-            volumeControl.appendChild(slider);
-
-            const volumePct = document.createElement("span");
-            volumePct.className = "vol-pct";
-            volumePct.textContent = `${Math.round((state.userVolumes.get(p.user_id) ?? 1.0) * 100)}%`;
-            volumeControl.appendChild(volumePct);
 
+          const slider = pRow.querySelector('.volume-slider');
+          if (slider) {
             slider.addEventListener('input', (e) => {
               const val = parseFloat(e.target.value);
               state.userVolumes.set(p.user_id, val);
-              volumePct.textContent = `${Math.round(val * 100)}%`;
+              pRow.querySelector('.vol-pct').textContent = `${Math.round(val * 100)}%`;
 
               const gainNode = state.voice.peerGainNodes.get(p.user_id);
-              if (gainNode && state.voice.audioContext) {
+              if (gainNode) {
                 gainNode.gain.setTargetAtTime(val, state.voice.audioContext.currentTime, 0.05);
               }
             });
-
+            // Stop propagation to prevent joining channel again when clicking slider
-            volumeControl.addEventListener('click', (e) => e.stopPropagation());
+            slider.addEventListener('click', (e) => e.stopPropagation());
-            volumeControl.addEventListener('mousedown', (e) => e.stopPropagation());
-            pRow.appendChild(volumeControl);
           }
 
           const toggleVolumeSlider = (e) => {
-            if (!isRemoteParticipant) return;
+            if (p.user_id === state.me.id) return;
             e.preventDefault();
             e.stopPropagation();
             if (state.voice.visibleVolumeSliders.has(p.user_id)) {
@@ -687,9 +588,6 @@ function renderChannels() {
           // Electron can swallow contextmenu events on some platforms; use
           // right-button mousedown as a reliable fallback for slider toggle.
           pRow.addEventListener('contextmenu', toggleVolumeSlider);
-          pRow.addEventListener('auxclick', (e) => {
-            if (e.button === 2) toggleVolumeSlider(e);
-          });
           pRow.addEventListener('mousedown', (e) => {
             if (e.button === 2) toggleVolumeSlider(e);
           });
@@ -750,40 +648,25 @@ function renderMessages(messages) {
     row.className = `msg ${isGrouped ? "msg-grouped" : ""}`;
 
     const displayName = m.author_display_name || "Unknown User";
-    const content = document.createElement("div");
+    const formattedBody = formatMessageBody(m.body || "");
-    content.className = "msg-content";
+    const attachmentsHtml = renderAttachments(m.attachments);
+    const bodyHtml = formattedBody ? `<div class="msg-body">${formattedBody}</div>` : "";
+    const contentHtml = `${bodyHtml}${attachmentsHtml}`;
 
-    if (!isGrouped) {
+    if (isGrouped) {
-      const avatar = document.createElement("div");
+      row.innerHTML = `<div class="msg-content">${contentHtml}</div>`;
-      avatar.className = "msg-avatar";
+    } else {
-      avatar.textContent = shortName(displayName);
+      row.innerHTML = `
-      row.appendChild(avatar);
+        <div class="msg-avatar">${shortName(displayName)}</div>
-
+        <div class="msg-content">
-      const header = document.createElement("div");
+          <div class="msg-header">
-      header.className = "msg-header";
+            <span class="msg-author">${escapeHtml(displayName)}</span>
-
+            <span class="msg-time">${formatDate(m.created_at)}</span>
-      const author = document.createElement("span");
+          </div>
-      author.className = "msg-author";
+          ${contentHtml}
-      author.textContent = displayName;
+        </div>
-      header.appendChild(author);
+      `;
-
-      const time = document.createElement("span");
-      time.className = "msg-time";
-      time.textContent = formatDate(m.created_at);
-      header.appendChild(time);
-
-      content.appendChild(header);
     }
-
-    if (m.body) {
-      const body = document.createElement("div");
-      body.className = "msg-body";
-      body.appendChild(buildMessageBody(m.body));
-      content.appendChild(body);
-    }
-
-    content.appendChild(buildAttachments(m.attachments));
-    row.appendChild(content);
     el.messageList.appendChild(row);
     lastAuthorId = m.author_user_id;
     lastTime = mDate;
@@ -886,7 +769,8 @@ async function createInviteLink() {
       body: JSON.stringify({ max_uses: 50, expires_in_hours: 24 }),
     });
     // Use the backend URL if available, otherwise fallback to current origin
-    const link = `${location.origin}/?invite=${encodeURIComponent(invite.code)}`;
+    const base = API_BASE_URL ? new URL(API_BASE_URL).origin : location.origin;
+    const link = `${base}/?invite=${encodeURIComponent(invite.code)}`;
 
     // Use Electron's native clipboard API if available (defined in preload.js)
     if (window.electronAPI && window.electronAPI.copyToClipboard) {
@@ -972,15 +856,13 @@ async function refreshVoicePresence() {
 }
 
 function startVoicePresencePolling() {
-  stopVoicePresencePolling();
+  if (state.voicePresencePollId) clearInterval(state.voicePresencePollId);
   state.voicePresencePollId = setInterval(() => {
-    if (!state.sessionActive) return;
     refreshVoicePresence().catch(() => { });
   }, 3000);
 }
 
 function initChatWs() {
-  if (!state.sessionActive) return;
   if (state.chatWs) state.chatWs.close();
   const wsUrl = getWsUrl('/ws');
   const ws = new WebSocket(wsUrl);
@@ -1023,7 +905,6 @@ function initChatWs() {
   };
 
   ws.onclose = () => {
-    if (!state.sessionActive) return;
     console.log("Chat WS closed, reconnecting...");
     setTimeout(initChatWs, 3000);
   };
@@ -1040,24 +921,7 @@ function shouldInitiateOffer(peerId) {
   return state.me.id > peerId;
 }
 
-function disconnectPeerAudioNodes(peerId) {
-  const nodes = state.voice.peerAudioNodes.get(peerId);
-  if (!nodes) return;
-
-  for (const node of [nodes.sourceNode, nodes.compressorNode, nodes.gainNode]) {
-    try {
-      node?.disconnect();
-    } catch { }
-  }
-
-  state.voice.peerAudioNodes.delete(peerId);
-  state.voice.peerGainNodes.delete(peerId);
-}
-
 function stopAndClearAudioPipeline() {
-  for (const peerId of state.voice.peerAudioNodes.keys()) {
-    disconnectPeerAudioNodes(peerId);
-  }
   if (state.voice.deepFilterProcessor) {
     state.voice.deepFilterProcessor.destroy();
     state.voice.deepFilterProcessor = null;
@@ -1283,7 +1147,7 @@ async function createLocalVoiceStream() {
       sampleRate: 48000,
       echoCancellation: true,
       noiseSuppression: false,
-      autoGainControl: true,
+      autoGainControl: false,
     },
     video: false,
   };
@@ -1406,27 +1270,16 @@ function ensurePeerConnection(peerId) {
       const ctx = state.voice.audioContext;
       if (ctx.state === 'suspended') ctx.resume();
 
-      disconnectPeerAudioNodes(peerId);
-
       const sourceNode = ctx.createMediaStreamSource(audio.srcObject);
-      const compressorNode = ctx.createDynamicsCompressor();
       const gainNode = ctx.createGain();
 
-      compressorNode.threshold.setValueAtTime(-24, ctx.currentTime);
-      compressorNode.knee.setValueAtTime(18, ctx.currentTime);
-      compressorNode.ratio.setValueAtTime(4, ctx.currentTime);
-      compressorNode.attack.setValueAtTime(0.003, ctx.currentTime);
-      compressorNode.release.setValueAtTime(0.25, ctx.currentTime);
-
       const currentVolume = state.userVolumes.get(peerId) ?? 1.0;
       gainNode.gain.setValueAtTime(currentVolume, ctx.currentTime);
 
-      sourceNode.connect(compressorNode);
+      sourceNode.connect(gainNode);
-      compressorNode.connect(gainNode);
       gainNode.connect(ctx.destination);
 
       state.voice.peerGainNodes.set(peerId, gainNode);
-      state.voice.peerAudioNodes.set(peerId, { sourceNode, compressorNode, gainNode });
 
       // Mute the original element as we play through Web Audio destination
       audio.volume = 0;
@@ -1611,7 +1464,6 @@ async function joinVoice() {
         pc.close();
         state.voice.peerConnections.delete(msg.user_id);
       }
-      disconnectPeerAudioNodes(msg.user_id);
       document.getElementById(`audio-${msg.user_id}`)?.remove();
     } else if (msg.type === "signal") {
       await handleSignal(msg.from_user_id, msg.kind, msg.data);
@@ -1638,7 +1490,7 @@ async function joinVoice() {
       });
       renderChannels();
     } else if (msg.type === "play_sound") {
-      const audio = new Audio(msg.media_url);
+      const audio = new Audio(msg.sound_url);
       audio.play().catch(console.error);
     }
     refreshVoicePresence().catch(() => { });
@@ -1813,22 +1665,11 @@ function renderSounds(sounds) {
     // Only show delete button if user is creator or owner
     const canDelete = state.me && (state.me.id === sound.created_by_user_id || (state.guilds.find(g => g.id === state.selectedGuildId)?.owner_user_id === state.me.id));
 
-    const icon = document.createElement('div');
+    item.innerHTML = `
-    icon.className = 'sound-icon';
+      <div class="sound-icon">${sound.icon}</div>
-    icon.textContent = sound.icon;
+      <div class="sound-name">${sound.name}</div>
-    const name = document.createElement('div');
+      ${canDelete ? `<button class="sound-delete" title="Delete sound"><i data-lucide="x"></i></button>` : ''}
-    name.className = 'sound-name';
+    `;
-    name.textContent = sound.name;
-    item.appendChild(icon);
-    item.appendChild(name);
-
-    if (canDelete) {
-      const deleteBtn = document.createElement('button');
-      deleteBtn.className = 'sound-delete';
-      deleteBtn.title = 'Delete sound';
-      deleteBtn.innerHTML = '<i data-lucide="x"></i>';
-      item.appendChild(deleteBtn);
-    }
 
     item.onclick = (e) => {
       if (e.target.closest('.sound-delete')) {
@@ -1838,7 +1679,7 @@ function renderSounds(sounds) {
         }
         return;
       }
-      playRemoteSound(sound.id, sound.media_url);
+      playRemoteSound(sound.file_path);
     };
 
     el.soundboardGrid.appendChild(item);
@@ -1849,19 +1690,27 @@ function renderSounds(sounds) {
 async function deleteSound(soundId) {
   if (!state.selectedGuildId) return;
   try {
-    await api(`/guilds/${state.selectedGuildId}/sounds/${soundId}`, { method: 'DELETE' });
+    const url = API_BASE_URL ? `${API_BASE_URL}/guilds/${state.selectedGuildId}/sounds/${soundId}` : `/guilds/${state.selectedGuildId}/sounds/${soundId}`;
+    const response = await fetch(url, {
+      method: 'DELETE'
+    });
+    if (!response.ok) {
+      const err = await response.json();
+      throw new Error(err.error || 'Delete failed');
+    }
     await loadSounds();
   } catch (err) {
     alert(err.message);
   }
 }
 
-function playRemoteSound(soundId, mediaUrl) {
+function playRemoteSound(url) {
+  const fullUrl = API_BASE_URL && !url.startsWith('http') ? `${API_BASE_URL}${url}` : url;
   if (state.voice.ws && state.voice.ws.readyState === WebSocket.OPEN) {
-    state.voice.ws.send(JSON.stringify({ type: 'play_sound', sound_id: soundId }));
+    state.voice.ws.send(JSON.stringify({ type: 'play_sound', sound_url: fullUrl }));
   }
   // Also play locally immediately
-  const audio = new Audio(mediaUrl);
+  const audio = new Audio(fullUrl);
   audio.play().catch(console.error);
 }
 
@@ -1926,23 +1775,41 @@ document.addEventListener('click', resetInactivityTimer);
 
 async function init() {
   lucide.createIcons();
+  await hydrateDesktopStorage();
   initUpdater();
 
+  // 1. Handle tokens in URL (from successful login redirects)
+  try {
+    const searchParams = new URLSearchParams(location.search);
+    const jwtToken = searchParams.get("token");
+    const refreshToken = searchParams.get("refresh_token");
+
+    if (jwtToken || refreshToken) {
+      if (jwtToken) await storageSetCritical("chattz_token", jwtToken);
+      if (refreshToken) await storageSetCritical("chattz_refresh_token", refreshToken);
+
+      searchParams.delete("token");
+      searchParams.delete("refresh_token");
+      const nextQuery = searchParams.toString();
+      const nextUrl = `${location.pathname}${nextQuery ? `?${nextQuery}` : ""}`;
+      history.replaceState(null, "", nextUrl);
+    }
+  } catch (e) {
+    console.error("Failed to parse token from URL:", e);
+  }
+
   // 2. Global Button Handlers
   el.loginBtn.onclick = () => {
-    el.status.textContent = "";
+    const loginPath = "/auth/login";
-    location.href = "/auth/login";
+    location.href = API_BASE_URL ? `${API_BASE_URL}${loginPath}` : loginPath;
   };
 
   el.logoutBtn.onclick = async () => {
-    try {
+    await leaveVoice();
-      await api("/auth/logout", { method: "POST" });
+    await storageRemoveCritical("chattz_token");
-    } catch (e) {
+    await storageRemoveCritical("chattz_refresh_token");
-      if (!e?.isAuthError) {
+    try { await api("/auth/logout", { method: "POST" }); } catch (e) { }
-        console.warn("logout request failed", e);
+    location.reload();
-      }
-    }
-    await showLoggedOutState("Signed out.");
   };
 
   el.addGuildBtn.onclick = () => { el.modalContainer.classList.remove("hidden"); };
@@ -2088,11 +1955,8 @@ async function init() {
     el.soundSubmitBtn.disabled = true;
     el.soundSubmitBtn.textContent = 'Uploading...';
     try {
-      const response = await fetch(`/guilds/${state.selectedGuildId}/sounds`, {
+      const url = API_BASE_URL ? `${API_BASE_URL}/guilds/${state.selectedGuildId}/sounds` : `/guilds/${state.selectedGuildId}/sounds`;
-        method: 'POST',
+      const response = await fetch(url, { method: 'POST', body: formData });
-        body: formData,
-        credentials: 'same-origin',
-      });
       if (!response.ok) { const err = await response.json(); throw new Error(err.error || 'Upload failed'); }
       el.soundModal.classList.add("hidden");
       el.soundForm.reset();
@@ -2103,17 +1967,6 @@ async function init() {
     }
   };
 
-  if (el.uploadLimitOk && el.uploadLimitModal) {
-    el.uploadLimitOk.onclick = () => {
-      el.uploadLimitModal.classList.add("hidden");
-    };
-    el.uploadLimitModal.onclick = (e) => {
-      if (e.target === el.uploadLimitModal) {
-        el.uploadLimitModal.classList.add("hidden");
-      }
-    };
-  }
-
   // 5. GIF Picker
   const TENOR_API_KEY = "exTiFGKJ0CzESIHzVQWy3pRO8I1MAdpRomg95DBSu2sg6e7YcHgThMI4giGAx8D0";
   const TENOR_CLIENT_KEY = "pavel-discord";
@@ -2184,10 +2037,8 @@ async function init() {
   }
 
   async function uploadMediaFile(file) {
-    if (file.size > MAX_MEDIA_UPLOAD_BYTES) {
+    const token = storageGet("chattz_token");
-      showMediaUploadLimitError(file);
+    if (!token) throw new Error("You need to log in again.");
-      return;
-    }
 
     const path = state.selectedTextChannelId
       ? `/channels/${state.selectedTextChannelId}/attachments`
@@ -2196,18 +2047,20 @@ async function init() {
         : null;
     if (!path) throw new Error("Select a chat first.");
 
+    const formData = new FormData();
+    formData.append("file", file);
+
     el.mediaUploadBtn.disabled = true;
     el.mediaUploadBtn.title = "Uploading...";
 
+    const fullUrl = API_BASE_URL ? `${API_BASE_URL}${path}` : path;
     try {
-      const response = await fetch(path, {
+      const response = await fetch(fullUrl, {
         method: "POST",
         headers: {
-          "Content-Type": file.type || "application/octet-stream",
+          Authorization: `Bearer ${token}`,
-          "X-File-Name": file.name,
         },
-        body: file,
+        body: formData,
-        credentials: "same-origin",
       });
 
       if (!response.ok) {
@@ -2234,12 +2087,10 @@ async function init() {
   // 6. Initial Data Loading & App Start
   try {
     state.me = await api("/me");
-    state.sessionActive = true;
     if (state.me && state.me.display_name) {
       el.userName.textContent = state.me.display_name;
       el.userAvatar.textContent = shortName(state.me.display_name);
     }
-    el.status.textContent = "";
     el.authScreen.classList.add("hidden");
     el.main.classList.remove("hidden");
 
@@ -2264,8 +2115,7 @@ async function init() {
 
     try {
       const online = await api("/presence");
-      state.onlineUsers = new Set(online.filter((entry) => entry.online).map((entry) => entry.user_id));
+      state.onlineUsers = new Set(online);
-      state.idleUsers = new Set(online.filter((entry) => entry.idle).map((entry) => entry.user_id));
     } catch (err) { console.warn("presence sync failed", err); }
 
     if (state.guilds.length > 0) {
@@ -2299,10 +2149,9 @@ async function init() {
 
     lucide.createIcons();
   } catch (err) {
-    if (!err?.isAuthError) {
     console.error("init failed", err);
-      await showLoggedOutState("Unable to load the app.");
+    el.authScreen.classList.remove("hidden");
-    }
+    el.main.classList.add("hidden");
   }
 }
 
@@ -2402,4 +2251,5 @@ function initUpdater() {
     });
 }
 
-init();
+// Config fetcher will trigger init()
+initializeConfig();

static/styles.css

@@ -1478,13 +1478,6 @@ select {
   letter-spacing: -0.3px;
 }
 
-.modal-copy {
-  margin: 0;
-  text-align: center;
-  color: var(--text-normal);
-  line-height: 1.5;
-}
-
 .form-item {
   margin-bottom: 20px;
 }