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poimen-workflows/tasks/board-T4.md
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Test 71f3bfae65 feat(T4.1-T4.4): implement advanced operations & analytics (part 1) 
T4.1: Real-time Metrics Dashboard
- Add internal/dashboard package with MetricsAggregator
- Record, aggregate, and query metrics
- Percentile calculations (p50, p95, p99)
- Time-series data with max size eviction
- 13 metrics tests, all passing

T4.2: Workflow Visualization & DAG Rendering
- Add internal/visualization package with DAGRenderer
- Convert dependency graphs to DOT format
- Critical path highlighting
- Topological sorting with parallel task detection
- HTML rendering for visualization
- 11 DAG rendering tests, all passing

T4.3: Advanced Search & Filtering
- Add internal/search package with WorkflowSearch
- Full-text indexing with word-based lookup
- Filter by status, assignee, tag, date range
- Regex pattern matching
- Saved filters for reusable queries
- 15 search tests, all passing

T4.4: Cost Tracking & Optimization
- Add internal/cost package with CostTracker
- Track LLM API costs (by token)
- Track git operation costs
- Track compute resource costs (by duration)
- Cost aggregation by workflow/type
- Optimization recommendations
- 11 cost tests, all passing

Total T4.1-T4.4: 50 tests passing
Next: T4.5-T4.8 (alerting, profiling, multi-cluster, self-deployment)
2026-08-23 18:01:18 -07:00

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T4: Advanced Operations & Analytics

Overview

Advanced operational capabilities for monitoring, visualization, cost optimization, and multi-cluster orchestration. Builds on T1-T3 foundation to enable enterprise-scale deployment.

Tasks

Task Description Tests Status
T4.1 Real-time metrics dashboard: queryable Prometheus metrics with aggregation [ ] 🔜 TODO
T4.2 Workflow visualization & DAG rendering: browser-based workflow inspector [ ] 🔜 TODO
T4.3 Advanced search & filtering: Elasticsearch-like task/workflow search [ ] 🔜 TODO
T4.4 Cost tracking & optimization: LLM API, git push, compute resource costs [ ] 🔜 TODO
T4.5 Automated alerting & anomaly detection: threshold rules, ML-based anomalies [ ] 🔜 TODO
T4.6 Workflow profiling & bottleneck analysis: identify slowest tasks [ ] 🔜 TODO
T4.7 Multi-cluster orchestration: deploy orchestrators across K8s clusters [ ] 🔜 TODO
T4.8 Self-deployment: orchestrator deploys itself (meta!) [ ] 🔜 TODO

Implementation Plan

T4.1: Real-time Metrics Dashboard

  • internal/dashboard/metrics_aggregator.go - Query Prometheus for metrics
  • internal/dashboard/metrics_aggregator_test.go - 15 tests
  • Features:
    • Aggregate gauge/counter/histogram metrics
    • Time-range queries
    • Percentile calculations (p50, p95, p99)
    • Error rate aggregation
    • Throughput calculations

T4.2: Workflow Visualization

  • internal/visualization/dag_renderer.go - DAG graph generation
  • internal/visualization/dag_renderer_test.go - 12 tests
  • Features:
    • Convert dependency graph to DOT format
    • SVG/PNG rendering capability
    • Task status coloring
    • Critical path highlighting
    • Parallel task grouping

T4.3: Advanced Search & Filtering

  • internal/search/workflow_search.go - Full-text search
  • internal/search/workflow_search_test.go - 18 tests
  • Features:
    • Index workflows by content
    • Filter by status, date, assignee
    • Full-text search on task descriptions
    • Regex pattern matching
    • Saved filters

T4.4: Cost Tracking & Optimization

  • internal/cost/cost_tracker.go - Track compute/API costs
  • internal/cost/cost_tracker_test.go - 16 tests
  • Features:
    • LLM API call costs (tokens × price)
    • Git push operation costs
    • K8s compute resource costs
    • Cost per workflow
    • Cost optimization recommendations

T4.5: Automated Alerting & Anomaly Detection

  • internal/alerting/alert_manager.go - Rule-based alerts
  • internal/alerting/alert_manager_test.go - 20 tests
  • Features:
    • Threshold-based alerts
    • Pattern-based anomaly detection
    • Alert routing (email, Slack, PagerDuty)
    • Alert history
    • Deduplication

T4.6: Workflow Profiling & Bottleneck Analysis

  • internal/profiling/workflow_profiler.go - Identify slow tasks
  • internal/profiling/workflow_profiler_test.go - 17 tests
  • Features:
    • Per-task execution time breakdown
    • Critical path identification
    • Parallel vs sequential timing
    • Resource utilization per task
    • Optimization suggestions

T4.7: Multi-cluster Orchestration

  • internal/clusters/cluster_manager.go - Manage multiple K8s clusters
  • internal/clusters/cluster_manager_test.go - 19 tests
  • Features:
    • Register/discover clusters
    • Route workflows to clusters
    • Cross-cluster task coordination
    • Cluster health monitoring
    • Failover support

T4.8: Self-Deployment

  • internal/deployment/self_deployer.go - Orchestrator deploys itself
  • internal/deployment/self_deployer_test.go - 14 tests
  • Features:
    • Build orchestrator container
    • Generate K8s manifests
    • Deploy new version
    • Health check & rollback
    • Version management

Test Coverage Target

  • T4 Total: 131+ tests (similar to T3)
  • All packages: 100% test pass rate
  • Performance benchmarks included

Success Criteria

✅ All 8 T4 tasks complete ✅ 131+ tests passing ✅ Dashboard queryable in real-time ✅ DAG visualization renders workflow dependencies ✅ Cost tracking shows savings from T2 optimizations ✅ Anomaly detection catches performance regressions ✅ Multi-cluster deployment supported ✅ Orchestrator can self-deploy

Timeline

  • T4.1-T4.4: Week 1 (implementation + tests)
  • T4.5-T4.8: Week 2 (implementation + tests)
  • Integration testing: Week 3
  • Production deployment: Week 4
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