feat: Agent Orchestrator — multi-project agent dashboard

Tauri + Svelte 5 + Rust application for orchestrating multiple AI coding agents.
Includes Claude, Aider, Codex, and Ollama provider support, multi-agent
communication (btmsg/bttask), session anchors, plugin sandbox, FTS5 search,
Landlock sandboxing, and 507 vitest + 110 cargo tests.

src-tauri/src/commands/watcher.rs

@@ -0,0 +1,43 @@
+use tauri::State;
+use crate::AppState;
+use crate::fs_watcher::FsWatcherStatus;
+
+#[tauri::command]
+pub fn file_watch(
+    app: tauri::AppHandle,
+    state: State<'_, AppState>,
+    pane_id: String,
+    path: String,
+) -> Result<String, String> {
+    state.file_watcher.watch(&app, &pane_id, &path)
+}
+
+#[tauri::command]
+pub fn file_unwatch(state: State<'_, AppState>, pane_id: String) {
+    state.file_watcher.unwatch(&pane_id);
+}
+
+#[tauri::command]
+pub fn file_read(state: State<'_, AppState>, path: String) -> Result<String, String> {
+    state.file_watcher.read_file(&path)
+}
+
+#[tauri::command]
+pub fn fs_watch_project(
+    app: tauri::AppHandle,
+    state: State<'_, AppState>,
+    project_id: String,
+    cwd: String,
+) -> Result<(), String> {
+    state.fs_watcher.watch_project(&app, &project_id, &cwd)
+}
+
+#[tauri::command]
+pub fn fs_unwatch_project(state: State<'_, AppState>, project_id: String) {
+    state.fs_watcher.unwatch_project(&project_id);
+}
+
+#[tauri::command]
+pub fn fs_watcher_status(state: State<'_, AppState>) -> FsWatcherStatus {
+    state.fs_watcher.status()
+}