{"record":{"id":"5a765e5a91a5bf11","repo":"xai-org/grok-build","slug":"initialize-through-bridge","errorCode":null,"errorMessage":"initialize through bridge","messagePattern":"initialize through bridge","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"critical","filePath":"crates/codegen/xai-grok-pager/src/app/leader_cluster/mod.rs","lineNumber":476,"sourceCode":"                    )\n                    .meta(\n                        serde_json::json!({\n                            \"startupHints\": {\n                                \"nonInteractive\": true,\n                                \"skipGitStatus\": true,\n                                \"skipProjectLayout\": true\n                            },\n                            \"clientType\": \"pager-cluster\",\n                            \"clientVersion\": \"0.0.0-test\",\n                        })\n                        .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;","sourceCodeStart":458,"sourceCodeEnd":494,"githubUrl":"https://github.com/xai-org/grok-build/blob/bc7f02eddd3d84085849dc19ed216f11c23b0571/crates/codegen/xai-grok-pager/src/app/leader_cluster/mod.rs#L458-L494","documentation":"The ACP `initialize` request sent through the leader bridge resolved to an error (or the channel closed) and `.expect(\"initialize through bridge\")` panicked. Initialize is the first ACP handshake message; failing here means the bridged agent did not return a valid InitializeResponse.","triggerScenarios":"Sending `acp::InitializeRequest` over the leader bridge and the agent replies with an ACP error, the bridge channel closes before the response, or the response times out at the bounded() wrapper.","commonSituations":"Agent-side crash during startup; version mismatch between pager and agent ACP protocol versions; authentication/transport misconfiguration so the agent rejects the session; slow agent startup exceeding the bounded timeout.","solutions":["Inspect the agent logs for a panic or error during initialize.","Confirm both sides speak the same ACP protocol version (initialize params carry protocolVersion).","Increase the bounded timeout if the agent is slow to start, or add readiness probing before initialize.","Replace the expect with error propagation so leader connect can fall back to the embedded agent."],"exampleFix":"// before\n.expect(\"initialize through bridge\");\n// after\nlet init = bounded(...).await.map_err(|e| ClientError::InitializeFailed(e.to_string()))?;","handlingStrategy":"retry","validationCode":"// verify channel liveness before sending initialize\nif tx.is_closed() {\n    return Err(ClientError::BridgeClosed(\"cannot initialize\".into()));\n}","typeGuard":null,"tryCatchPattern":"match bounded(\"initialize\", acp_send(init_req, &tx)).await {\n    Ok(resp) => resp,\n    Err(e) => return Err(ClientError::InitializeFailed(e.to_string())),\n}","preventionTips":["Pin matching ACP protocol versions on both pager and agent","Add an agent readiness probe before the initialize handshake","Retry initialize once on transient channel errors before giving up"],"tags":["rust","acp","handshake","panic","leader-cluster"],"backgroundTag":"acp-initialize-failed","analyzedSha":"bc7f02eddd3d84085849dc19ed216f11c23b0571","analyzedAt":"2026-08-31T04:59:42.031Z","schemaVersion":2},"datasetVersion":"2026-08-31T09:17:48.483Z"}