{"record":{"id":"80d2e2d2df8d3108","repo":"xai-org/grok-build","slug":"writeback-storage-mode-requires-authentication-ru","errorCode":null,"errorMessage":"Writeback storage mode requires authentication. Run 'grok login' first.","messagePattern":"Writeback storage mode requires authentication\\. Run 'grok login' first\\.","errorType":"error_code","errorClass":"io::Error","httpStatus":null,"severity":"error","filePath":"crates/codegen/xai-grok-shell/src/session/persistence.rs","lineNumber":2415,"sourceCode":"        if let SessionUpdate::Acp(notification) = update {\n            remote_sync.queue(*notification);\n            backfilled += 1;\n        }\n    }\n    remote_sync.flush();\n    backfilled\n}\n\nfn init_remote_sync(\n    summary: &Summary,\n    storage_mode: StorageMode,\n    auth_manager: Option<Arc<crate::auth::AuthManager>>,\n) -> io::Result<Option<RemoteSync>> {\n    match storage_mode {\n        StorageMode::Local => Ok(None),\n        StorageMode::Writeback => {\n            let auth_manager = auth_manager.ok_or_else(|| {\n                io::Error::new(\n                    io::ErrorKind::PermissionDenied,\n                    \"Writeback storage mode requires authentication. Run 'grok login' first.\",\n                )\n            })?;\n            if let Some(auth) = auth_manager.current_or_expired() {\n                if auth.is_zdr_team() {\n                    tracing::debug!(\"ZDR team: skipping remote sync\");\n                    return Ok(None);\n                }\n            } else {\n                tracing::warn!(\n                    \"writeback: no auth loaded yet, ZDR check skipped (backend enforces server-side)\"\n                );\n            }\n            tracing::info!(\"Writeback mode enabled, syncing to backend\");\n            let client =\n                crate::remote::BackendClient::new().with_auth_manager(auth_manager.clone());\n            let metadata = ExportedMetadata::from_summary(summary);","sourceCodeStart":2397,"sourceCodeEnd":2433,"githubUrl":"https://github.com/xai-org/grok-build/blob/bc7f02eddd3d84085849dc19ed216f11c23b0571/crates/codegen/xai-grok-shell/src/session/persistence.rs#L2397-L2433","documentation":"Configuring StorageMode::Writeback (local writes with remote sync-back) requires an AuthManager to obtain credentials for RemoteSync; when none was provided, setup fails fast with io::ErrorKind::PermissionDenied instead of silently running unauthenticated. The message points the user at 'grok login'.","triggerScenarios":"Starting a session with storage_mode = StorageMode::Writeback while the auth_manager parameter is None — i.e. no credentials source configured for remote sync.","commonSituations":"Fresh install where 'grok login' was never run; CI/container environment with no persisted auth; running with a config that forces Writeback while auth is disabled/omitted; HOME/config dir not writable so stored credentials are invisible.","solutions":["Run 'grok login' to create credentials, then retry","Pass an AuthManager instance when constructing the session if you build it programmatically","Switch storage_mode to Local if remote sync is not needed","Fix environment (HOME/XDG config paths, mounted credentials) so the auth manager can be created"],"exampleFix":"// before\nlet session = Session::builder().storage_mode(StorageMode::Writeback).build()?;\n// after\nlet session = Session::builder()\n    .storage_mode(StorageMode::Writeback)\n    .auth_manager(Some(AuthManager::load()?))\n    .build()?;\n// or run: grok login","handlingStrategy":"validation","validationCode":"if storage_mode == StorageMode::Writeback && auth_manager.is_none() {\n    bail!(\"Writeback mode needs auth: run `grok login` or pass an AuthManager\");\n}","typeGuard":"fn writeback_auth_ready(mode: StorageMode, auth: &Option<Arc<AuthManager>>) -> bool {\n    mode != StorageMode::Writeback || auth.is_some()\n}","tryCatchPattern":"match Session::open(cfg).await {\n    Err(e) if e.kind() == io::ErrorKind::PermissionDenied && e.to_string().contains(\"grok login\") => {\n        run_login_flow()?;\n        Session::open(cfg).await?\n    }\n    other => other?,\n}","preventionTips":["Run 'grok login' during setup before enabling Writeback","Validate storage mode vs available auth at config load time","In CI/containers, mount or provision credentials, or fall back to Local mode","Ensure HOME/XDG config dirs are writable so persisted credentials load"],"tags":["auth","authentication","configuration","storage","permission-denied"],"backgroundTag":"authentication-required","analyzedSha":"bc7f02eddd3d84085849dc19ed216f11c23b0571","analyzedAt":"2026-08-31T04:59:42.031Z","schemaVersion":2},"datasetVersion":"2026-08-31T09:17:48.483Z"}