Add Column
Current Schema
CREATE TABLE leads (
id INTEGER PRIMARY KEY AUTOINCREMENT,
chatbot_id INTEGER NOT NULL,
phone_number TEXT NOT NULL,
full_name TEXT,
interests TEXT,
purpose TEXT,
created_at TEXT NOT NULL,
updated_at TEXT,
FOREIGN KEY (chatbot_id) REFERENCES chatbots(id) ON DELETE CASCADE,
UNIQUE(chatbot_id, phone_number)
)