feat(api): add pagination support to IMAP scan history endpoint

backend/api.py

@@ -745,8 +745,10 @@ def imap_scan_results():
     if not username:
         return jsonify({"error": "Missing X-User-Username header"}), 401
     limit = request.args.get("limit", default=100, type=int)
-    history = imap_store.get_scan_history(username, limit=limit)
-    return jsonify({"results": history})
+    page = request.args.get("page", default=1, type=int)
+    offset = max(0, (page - 1) * limit)
+    history = imap_store.get_scan_history(username, limit=limit, offset=offset)
+    return jsonify({"results": history, "page": page, "limit": limit})
 
 
 if __name__ == "__main__":

backend/email_connectors/imap_store.py

@@ -141,15 +141,15 @@ def save_scan_results(username, scanned_emails):
         conn.commit()
 
 
-def get_scan_history(username, limit=100):
+def get_scan_history(username, limit=100, offset=0):
     with _connection() as conn:
         rows = conn.execute(
             """
             SELECT * FROM imap_scan_results
             WHERE username = ?
             ORDER BY scanned_at DESC
-            LIMIT ?
+            LIMIT ? OFFSET ?
             """,
-            (username, limit),
+            (username, limit, offset),
         ).fetchall()
         return [dict(row) for row in rows]