Files
poimen-workflows/k8s
Test 687bdb21e0 feat(routing): implement WorkflowSpec validator
Task 1.4 COMPLETE 

Comprehensive validation system for workflow specifications:

- validator.go: Main validator with methods:
  - NewValidator(kb) - Create validator with knowledge base
  - ValidateWorkflowSpec(spec) - Validate one-time workflows
  - ValidateCronWorkflowSpec(spec) - Validate scheduled workflows
  - validateState(state, path) - Validate individual states
  - validateDuration(dur) - Validate Go duration strings

- validator_cron.go: Cron expression validation:
  - validateCronExpression(expr) - 5-field cron validation
  - validateCronField(field, min, max, name) - Individual field validation
  - Supports: wildcards (*), ranges (0-59), steps (*/5), lists (0,15,30,45)

- validator_test.go: 30 comprehensive tests
  - Valid/invalid workflow specs
  - State name validation (duplicates, missing)
  - State transitions (Next field references)
  - Catch clause validation
  - Task state validation (activity exists in KB)
  - Pass/Fail state validation
  - Timeout format validation
  - Cron workflow validation
  - Timezone validation
  - Cron expression validation
  - All tests PASS  (39/39 total in routing package)

Acceptance criteria met:
 Detects invalid workflow specs
 Validates state references and transitions
 Checks activities exist in knowledge base
 Validates timeout durations
 Validates cron expressions
 Validates timezones
 All validation tests pass
 Ready for Phase 2 (llm-router)

Effort: 3 hours (estimated)
Files: validator.go (281 lines)
       validator_cron.go (50 lines)
       validator_test.go (367 lines)

Phase 1 COMPLETE 
- Task 1.1: Types 
- Task 1.2: Knowledge Base 
- Task 1.3: KB Loader 
- Task 1.4: Validator 

Total Phase 1 Effort: 10 hours (on track with 8-10 estimate)
2026-08-31 19:29:25 -07:00
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