refactor(v3): project-scoped ContextPane with auto-registration

v2/src-tauri/src/ctx.rs

@@ -141,6 +141,24 @@ impl CtxDb {
         Ok(())
     }
 
+    /// Register a project in the ctx database (creates if not exists).
+    pub fn register_project(&self, name: &str, description: &str, work_dir: Option<&str>) -> Result<(), String> {
+        let db_path = Self::db_path();
+        if !db_path.exists() {
+            return Err("ctx database not found".to_string());
+        }
+
+        let conn = Connection::open(&db_path)
+            .map_err(|e| format!("Failed to open database: {e}"))?;
+
+        conn.execute(
+            "INSERT OR IGNORE INTO sessions (name, description, work_dir) VALUES (?1, ?2, ?3)",
+            rusqlite::params![name, description, work_dir],
+        ).map_err(|e| format!("Failed to register project: {e}"))?;
+
+        Ok(())
+    }
+
     pub fn list_projects(&self) -> Result<Vec<CtxProject>, String> {
         let lock = self.conn.lock().unwrap();
         let conn = lock.as_ref().ok_or("ctx database not found")?;

v2/src-tauri/src/lib.rs

@@ -187,6 +187,11 @@ fn ctx_init_db(state: State<'_, AppState>) -> Result<(), String> {
     state.ctx_db.init_db()
 }
 
+#[tauri::command]
+fn ctx_register_project(state: State<'_, AppState>, name: String, description: String, work_dir: Option<String>) -> Result<(), String> {
+    state.ctx_db.register_project(&name, &description, work_dir.as_deref())
+}
+
 #[tauri::command]
 fn ctx_list_projects(state: State<'_, AppState>) -> Result<Vec<ctx::CtxProject>, String> {
     state.ctx_db.list_projects()
@@ -545,6 +550,7 @@ pub fn run() {
             ssh_session_save,
             ssh_session_delete,
             ctx_init_db,
+            ctx_register_project,
             ctx_list_projects,
             ctx_get_context,
             ctx_get_shared,