Add Column
Current Schema
CREATE TABLE sources (
id TEXT PRIMARY KEY,
kind TEXT NOT NULL,
-- calendar|gmail|slack|market|health|custom
label TEXT,
config TEXT,
-- JSON (non-secret metadata)
status TEXT NOT NULL DEFAULT 'ok' CHECK (status IN ('ok','degraded','auth_error','paused','error')),
last_success_at TEXT,
last_error_at TEXT,
last_error TEXT,
created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ','now')),
updated_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ','now'))
)