fix: Add ssh_folders table to database initialization

Adds the CREATE TABLE statement for ssh_folders table to ensure it's created when the database is initialized. This fixes the 'no such table: ssh_folders' error that occurs on backend restart.

src/backend/database/db/index.ts

@@ -300,6 +300,17 @@ async function initializeCompleteDatabase(): Promise<void> {
         FOREIGN KEY (user_id) REFERENCES users (id)
     );
 
+    CREATE TABLE IF NOT EXISTS ssh_folders (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        user_id TEXT NOT NULL,
+        name TEXT NOT NULL,
+        color TEXT,
+        icon TEXT,
+        created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+        updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (user_id) REFERENCES users (id)
+    );
+
     CREATE TABLE IF NOT EXISTS recent_activity (
         id INTEGER PRIMARY KEY AUTOINCREMENT,
         user_id TEXT NOT NULL,