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hsiegeln ea44a88f7d docs(03-02): complete SSE push plan

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-11 19:18:15 +01:00

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Completed 03-02-PLAN.md

2026-03-11T18:16:10Z

2026-03-11 -- Completed 03-02 (SSE push + command delivery)

total_phases	completed_phases	total_plans	completed_plans	percent
4	2	9	9	95

Project State

Project Reference

See: .planning/PROJECT.md (updated 2026-03-11)

Core value: Users can reliably search and find any transaction across all connected Camel instances -- by any combination of state, time, duration, or content -- even at millions of transactions per day with 30-day retention. Current focus: Phase 3: Agent Registry + SSE Push

Current Position

Phase: 3 of 4 (Agent Registry + SSE Push) Plan: 2 of 2 in current phase (SSE push + command delivery) Status: Phase 03 complete, Phase 04 remaining Last activity: 2026-03-11 -- Completed 03-02 (SSE push + command delivery)

Progress: [█████████░] 95%

Performance Metrics

Velocity:

Total plans completed: 0
Average duration: -
Total execution time: 0 hours

By Phase:

Phase	Plans	Total	Avg/Plan
-	-	-	-

Recent Trend:

Last 5 plans: -
Trend: -

Accumulated Context

Decisions

Decisions are logged in PROJECT.md Key Decisions table. Recent decisions affecting current work:

[Roadmap]: ClickHouse chosen as primary store (research recommendation, HIGH confidence)
[Roadmap]: Full-text search starts with ClickHouse skip indexes (tokenbf_v1), OpenSearch deferred
[Roadmap]: Phases 2 and 3 can execute in parallel (both depend only on Phase 1)
[Roadmap]: Web UI deferred to v2
[Phase 01]: Used spring-boot-starter-jdbc for JdbcTemplate + HikariCP auto-config
[Phase 01]: Created MetricsSnapshot record in core module (cameleer3-common has no metrics model)
[Phase 01]: Upgraded testcontainers to 2.0.3 for Docker Desktop 29.x compatibility
[Phase 01]: Changed error_message/error_stacktrace to non-nullable String for tokenbf_v1 index compat
[Phase 01]: TTL expressions require toDateTime() cast for DateTime64 columns in ClickHouse 25.3
[Phase 01]: Controllers accept raw String body to support both single and array JSON payloads
[Phase 01]: IngestionService is a plain class in core module, wired as bean by IngestionBeanConfig in app
[Phase 01]: Removed @Configuration from IngestionConfig to fix duplicate bean with @EnableConfigurationProperties
[Phase 02]: FlatProcessor record captures depth and parentIndex during DFS traversal
[Phase 02]: Exchange bodies/headers concatenated into single String columns for LIKE search
[Phase 02]: Headers serialized to JSON via Jackson ObjectMapper (static instance)
[Phase 02]: DiagramRenderer/DiagramLayout stubs created to resolve pre-existing compilation blocker
[Phase 02]: ELK layered algorithm with top-to-bottom direction for route diagram layout
[Phase 02]: JFreeSVG over Batik for lightweight server-side SVG generation
[Phase 02]: Manual Accept header parsing -- JSON only when first preference, SVG as default
[Phase 02]: xtext xbase lib required at runtime by ELK 0.11.0 LayeredMetaDataProvider
[Phase 02]: Compound node children detected from RouteNode.getChildren() (matches agent graph model)
[Phase 02]: Search tests use correlationId scoping for shared ClickHouse isolation
[Phase 02]: findProcessorSnapshot uses ClickHouse 1-indexed array access
[Phase 02]: DetailController injects ClickHouseExecutionRepository directly for snapshot (not via interface)
[Phase 02]: DiagramRepository injected via constructor into ClickHouseExecutionRepository for diagram hash lookup during batch insert
[Phase 02]: Awaitility ignoreExceptions pattern adopted for all ClickHouse polling assertions
[Phase 02]: Surefire and Failsafe both need reuseForks=false for ELK classloader isolation
[Phase 03]: AgentInfo as Java record with wither-style methods for immutable ConcurrentHashMap swapping
[Phase 03]: Dead threshold measured from staleTransitionTime, not lastHeartbeat
[Phase 03]: spring.mvc.async.request-timeout=-1 set proactively for SSE support in Plan 02
[Phase 03]: SSE events path excluded from ProtocolVersionInterceptor for EventSource client compatibility
[Phase 03]: SseConnectionManager uses reference-equality in emitter callbacks to avoid removing newer emitters
[Phase 03]: java.net.http.HttpClient async API for SSE integration tests (no webflux dependency)

Pending Todos

None yet.

Blockers/Concerns

[Phase 1]: ClickHouse Java client API needs phase-specific research (library has undergone changes)
[Phase 1]: Must read cameleer3-common PROTOCOL.md before designing ClickHouse schema
[Phase 2]: Diagram rendering library selection is an open question (Batik, jsvg, JGraphX, or client-side)
[Phase 2]: ClickHouse skip indexes may not suffice for full-text; decision point during Phase 2

Session Continuity

Last session: 2026-03-11T18:16:10Z Stopped at: Completed 03-02-PLAN.md Resume file: .planning/phases/04-security-auth/04-01-PLAN.md

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