feat(routing): implement WorkflowSpec and CronWorkflowSpec types
Task 1.1 COMPLETE ✅ Core type definitions for routing workflows: - WorkflowSpec: One-time workflow specification - CronWorkflowSpec: Scheduled workflow specification - State: Individual step in workflow (Task/Pass/Fail) - RetryPolicy: Retry configuration with backoff - CatchClause: Error handling - ExecutionContext: Tracks state during execution - ActivityMetadata: Describes activity capabilities - Supporting types: PollParams, Heartbeat, Result All types support JSON marshaling/unmarshaling. 8 unit tests covering complex scenarios (9/9 PASS). Acceptance criteria met: ✅ All types compile without errors ✅ JSON marshaling/unmarshaling works correctly ✅ Unit tests pass (complex workflow examples) ✅ Ready for next phase (Knowledge Base) Effort: 2 hours Files: internal/routing/types.go (159 lines) internal/routing/types_test.go (286 lines)
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POIMEN ROUTING WORKFLOW - COMPLETE SPECIFICATION SUMMARY
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STATUS: ✅ READY FOR IMPLEMENTATION
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Created: August 31, 2025
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Total Documentation: 3,856 lines across 5 files
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Implementation Effort: 60-70 hours (3-4 weeks, 1-2 engineers)
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📚 DOCUMENTATION CREATED
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1. ROUTING_WORKFLOW_SPEC.md (1,198 lines, 32KB)
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├─ Architecture overview
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├─ ActivityKnowledgeBase.json format
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├─ llm-router Activity (intelligent generator)
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├─ RoutingWorkflow (generic executor)
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├─ Go type definitions (copy-paste ready)
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├─ 7 implementation architecture sections
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├─ CronWorkflowSpec (scheduled workflows)
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├─ Execution flow with examples
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├─ Validation rules
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└─ Complete reference
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2. IMPLEMENTATION_TASKS.md (1,158 lines, 27KB)
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├─ Phase 1: Foundation (8-10 hours, 4 tasks)
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├─ Phase 2: LLM-Router (12-15 hours, 5 tasks)
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├─ Phase 3: RoutingWorkflow (15-18 hours, 6 tasks)
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├─ Phase 4: API/CLI (12-15 hours, 4 tasks)
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├─ Phase 5: Testing (8-12 hours, 4 tasks)
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├─ Phase 6: Documentation (5-8 hours, 4 tasks)
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├─ Total: 27 specific, actionable tasks
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├─ Each with: effort estimate, acceptance criteria, dependencies
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├─ Timeline: 3-4 weeks
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├─ Resource allocation: 1-2 engineers
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├─ Blockers to watch
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└─ Success criteria per phase
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3. CRON_JOBS_QUICK_REFERENCE.md (252 lines, 5.7KB)
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├─ Cron syntax examples (daily, hourly, weekly, etc)
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├─ How llm-router detects scheduled jobs
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├─ Execution tracking
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├─ Proposed API endpoints
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├─ One-time vs Cron comparison table
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└─ Quick lookup reference
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4. DESIGN_MASTER_REVIEW.md (888 lines, 25KB)
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├─ Executive summary for stakeholders
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├─ Problem/solution statement
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├─ 3 patterns (Sequential, Await-Task-Complete, Retry)
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├─ 3 entry points (CLI, API, Legacy)
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├─ Before/after comparison
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├─ Implementation timeline
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├─ KMSvc questions (Q1-Q6)
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├─ Risks & mitigations
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├─ Success criteria
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├─ Approval checklist
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└─ Complete example workflows
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5. README_IMPLEMENTATION.md (360 lines, 9KB)
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├─ Quick start guide
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├─ Documentation structure explanation
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├─ Week-by-week breakdown
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├─ How to start today
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├─ Success criteria per phase
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├─ Effort summary table
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├─ Key features matrix
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├─ Tips for success
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├─ Learning resources
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└─ Decision maker's checklist
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================================================================================
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🎯 THE SYSTEM ARCHITECTURE
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================================================================================
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User Input (one-time or scheduled):
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"Analyze repo for security and quality"
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or
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"Scan all repos daily at 2 AM"
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↓
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[llm-router Activity] - Intelligent Workflow Generator
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├─ Reads: ActivityKnowledgeBase.json (metadata about activities)
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├─ Uses LLM to understand intent
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├─ Selects activities: Clone → Analyze → SecurityScan → Combine → Notify
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├─ Orders by dependencies
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├─ Decides timeout for each (from knowledge base)
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├─ Decides retry policy (from isFlaky flag)
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├─ Chains parameters (JSONPath: ${Clone.output.path})
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├─ Detects if scheduled (cron)
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└─ Generates: WorkflowSpec or CronWorkflowSpec (JSON)
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↓
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[RoutingWorkflow] - Generic Executor
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├─ Takes JSON spec from llm-router
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├─ Executes states in order
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├─ Respects timeout/retry for each activity
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├─ Handles errors with catch blocks
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└─ Returns results
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↓
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[Temporal] - Distributed Workflow Engine
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├─ For one-time: Executes immediately
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├─ For cron: Schedules and runs on schedule
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├─ Provides durability (replay guarantee)
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├─ Tracks execution history
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└─ Handles retries automatically
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↓
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[Results] - Final Output
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├─ Execution history
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├─ Step-by-step results
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├─ Performance metrics
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└─ Status updates
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================================================================================
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✨ KEY FEATURES
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✅ One-time workflows (instant execution via API/CLI)
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✅ Scheduled workflows (cron jobs with full history)
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✅ Intelligent routing (LLM decides what to run)
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✅ Smart timeouts (from ActivityKnowledgeBase.json)
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✅ Smart retries (3x for flaky, 1x for stable)
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✅ Error handling (catch blocks for graceful failures)
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✅ Parameter chaining (JSONPath: ${step.output.field})
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✅ Parallel execution (multiple branches)
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✅ Temporal durability (automatic replay on failure)
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✅ HTTP API (for programmatic access)
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✅ CLI (for command-line access)
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✅ Execution tracking (full history)
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✅ Backward compatible (legacy CLI still works)
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================================================================================
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📊 IMPLEMENTATION BREAKDOWN
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================================================================================
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PHASE 1: Foundation (8-10 hours)
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Task 1.1: Go types (2h)
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Task 1.2: ActivityKnowledgeBase.json (3h)
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Task 1.3: KB loader (2h)
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Task 1.4: Validator (3h)
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→ Deliverable: Core data structures
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PHASE 2: LLM-Router (12-15 hours)
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Task 2.1: JSONPath resolver (3h)
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Task 2.2: Activity skeleton (2h)
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Task 2.3: LLM intent analysis (5h) ⚠️ HIGHEST RISK
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Task 2.4: Spec builder (4h)
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Task 2.5: Cron builder (2h)
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→ Deliverable: Intelligent workflow generation
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PHASE 3: RoutingWorkflow (15-18 hours)
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Task 3.1: Executor dispatcher (1h)
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Task 3.2: Task executor (2h)
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Task 3.3: Pass/Fail executors (1h)
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Task 3.4: Main workflow engine (4h)
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Task 3.5: Register in worker (1h)
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Task 3.6: Helper functions (2h)
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→ Deliverable: Generic workflow executor
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PHASE 4: API/CLI (12-15 hours)
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Task 4.1: API handlers (4h)
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Task 4.2: CLI commands (5h)
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Task 4.3: Server bootstrap (2h)
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Task 4.4: Validation (2h)
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→ Deliverable: HTTP API + CLI
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PHASE 5: Testing (8-12 hours)
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Task 5.1: Unit tests (3h)
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Task 5.2: Integration tests (4h)
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Task 5.3: E2E tests (4h)
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Task 5.4: Load tests (2h)
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→ Deliverable: >90% coverage, all scenarios pass
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PHASE 6: Documentation (5-8 hours)
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Task 6.1: API documentation (2h)
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Task 6.2: CLI documentation (1h)
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Task 6.3: Deployment guide (2h)
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Task 6.4: User guide & examples (2h)
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→ Deliverable: Complete documentation
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TOTAL: 60-70 hours (3-4 weeks, 1-2 engineers)
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================================================================================
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🚀 HOW TO START TODAY
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================================================================================
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Step 1: Review Documentation (1-2 hours)
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→ Read ROUTING_WORKFLOW_SPEC.md (understand design)
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→ Read IMPLEMENTATION_TASKS.md (understand tasks)
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→ Read README_IMPLEMENTATION.md (quick start)
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Step 2: Assign Tasks (30 minutes)
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→ Engineer 1: Tasks 1.1-1.4, 2.1-2.5, 3.1-3.6
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→ Engineer 2: Tasks 4.1-4.4, 5.1-5.4, 6.1-6.4
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Step 3: Begin Implementation (immediately)
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→ Start with Task 1.1: Create Go types (types.go)
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→ 2 hours to completion
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→ Then proceed to Task 1.2 (ActivityKnowledgeBase.json)
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Step 4: Daily Sync
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→ Report progress
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→ Unblock dependencies
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→ Adjust timeline if needed
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================================================================================
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✅ SUCCESS CRITERIA
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Phase 1: All types compile, KB loads, validator works
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Phase 2: llm-router generates valid specs, detects cron
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Phase 3: RoutingWorkflow executes any spec, handles errors
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Phase 4: HTTP API + CLI fully functional
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Phase 5: >90% code coverage, all tests pass
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Phase 6: Complete documentation, ready to ship
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✅ DONE WHEN:
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- All code compiles without warnings
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- All tests pass (unit, integration, E2E, load)
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- Documentation complete
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- Can deploy to Kubernetes
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- Can submit workflows from API/CLI
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- Can create cron jobs
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- Performance targets met (<200ms submit, <100ms poll)
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================================================================================
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📁 FILE LOCATIONS
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================================================================================
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Core Specification:
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~/workplace/Poimen/workflows/ROUTING_WORKFLOW_SPEC.md
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Task Breakdown:
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~/workplace/Poimen/workflows/IMPLEMENTATION_TASKS.md
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Cron Reference:
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~/workplace/Poimen/workflows/CRON_JOBS_QUICK_REFERENCE.md
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Stakeholder Review:
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~/workplace/Poimen/workflows/DESIGN_MASTER_REVIEW.md
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Quick Start Guide:
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~/workplace/Poimen/workflows/README_IMPLEMENTATION.md
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This Summary:
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~/workplace/Poimen/workflows/COMPLETE_SPECIFICATION_SUMMARY.txt
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================================================================================
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🎓 RECOMMENDATION
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This specification is:
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✅ Complete - covers all aspects of the system
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✅ Implementable - all code patterns shown
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✅ Testable - success criteria clearly defined
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✅ Maintainable - well-documented
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✅ Scalable - designed for production use
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NEXT STEPS:
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1. Get stakeholder approval (use DESIGN_MASTER_REVIEW.md)
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2. Assign engineers (use IMPLEMENTATION_TASKS.md)
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3. Start Phase 1, Task 1.1 today
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4. Daily standup on progress
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5. Gate each phase before moving to next
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TIMELINE: 3-4 weeks to complete implementation ⏱️
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STATUS: 🟢 READY TO BUILD
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================================================================================
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