modified: bot.db

modified:   db/db.go
	modified:   handlers/dashboard.go
	modified:   main.go
	modified:   services/openrouter.go
	modified:   templates/dashboard.html

db/db.go

@@ -28,6 +28,20 @@ func Init() {
 		customer_phone TEXT,
 		appointment_date TEXT,
 		status TEXT DEFAULT 'confirmed'
+	);
+	CREATE TABLE IF NOT EXISTS chats (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title TEXT DEFAULT 'New Chat',
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+	);
+
+	CREATE TABLE IF NOT EXISTS messages (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		chat_id INTEGER,
+		role TEXT, -- 'user' or 'assistant'
+		content TEXT,
+		created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+		FOREIGN KEY(chat_id) REFERENCES chats(id)
 	);`
 	Conn.Exec(schema)
 }