feat: appwide darkmode toggle and daemon connection check

frontend/src-tauri/capabilities/default.json

@@ -3,8 +3,5 @@
   "identifier": "default",
   "description": "Capability for the main window",
   "windows": ["main"],
-  "permissions": [
-    "core:default",
-    "opener:default"
-  ]
+  "permissions": ["core:default", "opener:default"]
 }

frontend/src-tauri/capabilities/desktop.json

@@ -1,14 +1,6 @@
 {
   "identifier": "desktop-capability",
-  "platforms": [
-    "macOS",
-    "windows",
-    "linux"
-  ],
-  "windows": [
-    "main"
-  ],
-  "permissions": [
-    "global-shortcut:default"
-  ]
-}
+  "platforms": ["macOS", "windows", "linux"],
+  "windows": ["main", "dashboard", "popup"],
+  "permissions": ["global-shortcut:default", "core:event:allow-listen"]
+}

frontend/src-tauri/src/commands.rs

@@ -1,3 +1,4 @@
+use serde::Serialize;
 use tauri::{Emitter, Manager, State};
 
 use feshared::{
@@ -113,3 +114,26 @@ pub async fn daemon_state(state: State<'_, AppState>) -> Result<DaemonState, Str
         }),
     }
 }
+
+#[derive(Clone, Serialize)]
+struct DarkMode {
+    is_dark_mode: bool,
+}
+
+#[tauri::command]
+pub async fn toggle_dark_mode(
+    state: State<'_, AppState>,
+    handle: tauri::AppHandle,
+) -> Result<bool, String> {
+    let mut config = state.config.lock().await;
+    config.dark_mode = !config.dark_mode;
+    handle
+        .emit(
+            "dark-mode-changed",
+            DarkMode {
+                is_dark_mode: config.dark_mode,
+            },
+        )
+        .unwrap();
+    Ok(config.dark_mode)
+}

frontend/src-tauri/src/main.rs

@@ -6,12 +6,16 @@ mod commands;
 use tauri_plugin_global_shortcut::{Code, GlobalShortcutExt, Modifiers, Shortcut, ShortcutState};
 use tokio::sync::Mutex;
 
-use commands::{chat, chat_history, daemon_state, toggle_popup};
+use commands::{chat, chat_history, daemon_state, toggle_dark_mode, toggle_popup};
 use shared::ai::ai_daemon_client::AiDaemonClient;
 
+pub struct AppConfig {
+    dark_mode: bool,
+}
+
 pub struct AppState {
     grpc_client: Mutex<AiDaemonClient<tonic::transport::Channel>>,
-    current_chat: Mutex<Option<i64>>,
+    config: Mutex<AppConfig>,
 }
 
 #[tokio::main]
@@ -22,14 +26,15 @@ async fn main() {
     tauri::Builder::default()
         .manage(AppState {
             grpc_client: Mutex::new(client),
-            current_chat: Mutex::new(None),
+            config: Mutex::new(AppConfig { dark_mode: true }),
         })
         .plugin(tauri_plugin_global_shortcut::Builder::new().build())
         .invoke_handler(tauri::generate_handler![
             toggle_popup,
             chat_history,
             chat,
-            daemon_state
+            daemon_state,
+            toggle_dark_mode,
         ])
         .setup(|app| {
             /* Auto-hide popup when focus is lost

frontend/src-tauri/tauri.conf.json

@@ -22,8 +22,8 @@
         "label": "popup",
         "title": "AI Quick Action",
         "url": "/popup",
-        "width": 800,
-        "height": 400,
+        "width": 960,
+        "height": 720,
         "decorations": false,
         "transparent": true,
         "alwaysOnTop": true,