new file: .env

new file:   bot.db
	new file:   db/db.go
	new file:   go.mod
	new file:   go.sum
	new file:   handlers/dashboard.go
	new file:   handlers/webhook.go
	new file:   main.go
	new file:   services/openrouter.go
	new file:   services/whatsapp.go
	new file:   templates/dashboard.html
	new file:   types/types.go

db/db.go

@@ -0,0 +1,33 @@
+package db
+
+import (
+	"database/sql"
+
+	_ "modernc.org/sqlite"
+)
+
+var Conn *sql.DB
+
+func Init() {
+	var err error
+	Conn, err = sql.Open("sqlite", "./bot.db")
+	if err != nil {
+		panic(err)
+	}
+
+	schema := `
+	CREATE TABLE IF NOT EXISTS clients (
+		id TEXT PRIMARY KEY,
+		name TEXT,
+		tier TEXT,
+		msg_count INTEGER DEFAULT 0
+	);
+	CREATE TABLE IF NOT EXISTS appointments (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		client_id TEXT,
+		customer_phone TEXT,
+		appointment_date TEXT,
+		status TEXT DEFAULT 'confirmed'
+	);`
+	Conn.Exec(schema)
+}