cloud: production gaps (worker loop + true cancel, task result columns + migration, DB interface migration, metrics + backup)

cloud/webhooks.py

@@ -21,6 +21,8 @@ import hmac
 import sqlite3
 import time
 
+from cloud.db import connect as _db_connect
+
 __all__ = [
     "verify_github_signature",
     "parse_github_pr_comment",
@@ -155,7 +157,7 @@ class SlackUserMap:
 
     def __init__(self, db_path):
         self.db_path = db_path
-        self._conn = sqlite3.connect(db_path)
+        self._conn = _db_connect(db_path)
         self._conn.execute(
             "CREATE TABLE IF NOT EXISTS slack_users ("
             "slack_id TEXT PRIMARY KEY, "