feat(web): add read-only dashboard server and query layer

tests/test_cli.py

@@ -184,6 +184,34 @@ def test_run_once_offline():
         assert '"name": "snapshot"' in output
         assert selected and all(credentials.mid == 1 for credentials in selected)
 
+        db = Database(Path(tmp) / "app.db")
+        db.initialize()
+        try:
+            repo = Repository(db)
+            for name in ("folder_sync", "snapshot", "discovery", "candidate_cleanup"):
+                assert repo.kv_get(f"task:last:{name}"), name
+        finally:
+            db.close()
+
+
+def test_default_command_starts_web_and_scheduler():
+    with tempfile.TemporaryDirectory() as tmp:
+        path = write_config(tmp)
+        calls = []
+        original = cli.cmd_run
+
+        def fake_run(args, logger, *, serve_web=False):
+            calls.append((args.command, serve_web, args.once, args.allow_empty_folder))
+            return 0
+
+        cli.cmd_run = fake_run
+        try:
+            code = main(["--config", str(path)])
+        finally:
+            cli.cmd_run = original
+        assert code == 0
+        assert calls == [("run", True, False, False)]
+
 
 def test_snapshot_backup_failure_returns_error_and_retries():
     import reaction_board.services.snapshot as snapshot_module
@@ -271,6 +299,7 @@ def main_test():
     test_auth_check_without_cookie()
     test_auth_check_all_and_auth_dispatch()
     test_run_once_offline()
+    test_default_command_starts_web_and_scheduler()
     test_snapshot_backup_failure_returns_error_and_retries()
     test_candidates_and_discover_commands()
     print("OK: CLI init/sync/snapshot/auth-check/run/status/错误路径测试全部通过")