{"record":{"id":"814008d4f4d7851f","repo":"xai-org/grok-build","slug":"authenticate-through-bridge","errorCode":null,"errorMessage":"authenticate through bridge","messagePattern":"authenticate through bridge","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"critical","filePath":"crates/codegen/xai-grok-pager/src/app/leader_cluster/mod.rs","lineNumber":487,"sourceCode":"                        .as_object()\n                        .cloned(),\n                    ),\n                &tx,\n            ),\n        )\n        .await\n        .expect(\"initialize through bridge\");\n        if !self.authenticated {\n            let _: acp::AuthenticateResponse = bounded(\n                \"authenticate\",\n                acp_send(\n                    acp::AuthenticateRequest::new(acp::AuthMethodId::new(\"xai.api_key\"))\n                        .meta(serde_json::json!({ \"headless\": true }).as_object().cloned()),\n                    &tx,\n                ),\n            )\n            .await\n            .expect(\"authenticate through bridge\");\n            self.authenticated = true;\n        }\n\n        let mut app = AppView::new(tx, ModelState::default(), Vec::new());\n        app.leader_mode = true;\n        app.auth_state = AuthState::Done;\n        app.trust_state = TrustState::Done;\n        app.cwd = self.workdir.path().to_path_buf();\n\n        let (progress_tx, progress_rx) = tokio::sync::mpsc::unbounded_channel();\n        ClusterClient {\n            app,\n            rx,\n            tasks: JoinSet::new(),\n            progress_tx,\n            _progress_rx: progress_rx,\n            bridge_cancel: cancel,\n            status_rx,","sourceCodeStart":469,"sourceCodeEnd":505,"githubUrl":"https://github.com/xai-org/grok-build/blob/bc7f02eddd3d84085849dc19ed216f11c23b0571/crates/codegen/xai-grok-pager/src/app/leader_cluster/mod.rs#L469-L505","documentation":"The ACP `authenticate` request (method `xai.api_key`) sent through the leader bridge failed, and `.expect(\"authenticate through bridge\")` panicked. This runs after initialize when the session is not yet authenticated; failure means the agent rejected authentication or the channel broke.","triggerScenarios":"Agent returns an AuthenticateResponse error (invalid/missing API key), the bridge channel closes between initialize and authenticate, or the request times out at the bounded() wrapper.","commonSituations":"Missing or revoked XAI_API_KEY in the environment; headless mode (`{\"headless\": true}` meta) rejected by agent policy; key with wrong permissions; agent restarted after initialize, killing the session.","solutions":["Verify XAI_API_KEY is set, valid, and not expired in the environment the agent runs in.","Check agent logs for the auth rejection reason.","Re-run initialize+authenticate as a pair after any channel error — the session is unusable mid-handshake.","Propagate the error instead of panicking so leader mode can fall back to embedded auth."],"exampleFix":"// before\n.expect(\"authenticate through bridge\");\n// after\n.map_err(|e| ClientError::AuthenticateFailed(e.to_string()))?;","handlingStrategy":"try-catch","validationCode":"// fail fast if the API key is absent before attempting authenticate\nif std::env::var(\"XAI_API_KEY\").map_or(true, |k| k.is_empty()) {\n    return Err(ClientError::MissingApiKey);\n}","typeGuard":null,"tryCatchPattern":"match bounded(\"authenticate\", acp_send(auth_req, &tx)).await {\n    Ok(resp) => resp,\n    Err(e) => return Err(ClientError::AuthenticateFailed(e.to_string())),\n}","preventionTips":["Validate XAI_API_KEY presence/format before starting leader sessions","Treat initialize+authenticate as one atomic handshake; redo both on any failure","Confirm the agent accepts the headless auth meta used by this client"],"tags":["rust","acp","authentication","api-key","panic"],"backgroundTag":"acp-authentication-failed","analyzedSha":"bc7f02eddd3d84085849dc19ed216f11c23b0571","analyzedAt":"2026-08-31T04:59:42.031Z","schemaVersion":2},"datasetVersion":"2026-08-31T09:17:48.483Z"}