Query
CREATE TABLE api_keys (
id INTEGER PRIMARY KEY AUTOINCREMENT,
chatbot_id INTEGER NOT NULL,
name TEXT NOT NULL,
description TEXT,
key_prefix TEXT NOT NULL,
key_hash TEXT NOT NULL UNIQUE,
is_active INTEGER DEFAULT 1,
last_used_at TEXT,
created_at TEXT NOT NULL,
FOREIGN KEY (chatbot_id) REFERENCES chatbots(id) ON DELETE CASCADE
)