tutor-service/.planning/phases/002-diagnostic-interview-loop/002-SUMMARY.md

Phase 2 Summary

Status: Complete Completed: 2026-04-26

Delivered

• Added in-memory diagnostic interview domain package.
• Added Backend Developer Interview seed question catalog.
• Added diagnostic session create/get/answer service.
• Added session status that becomes complete after all diagnostic questions have answers.
• Added HTTP endpoints:
  • POST /api/v1/diagnostic-sessions
  • GET /api/v1/diagnostic-sessions/{id}
  • POST /api/v1/diagnostic-sessions/{id}/answers
• Extended workflow stub to return deterministic typed grading results.
• Added grading evidence to GradedAnswer.
• Added domain, workflow, and HTTP flow tests.

Files Added

• internal/httpapi/diagnostic.go
• internal/httpapi/diagnostic_test.go
• internal/interview/catalog.go
• internal/interview/service.go
• internal/interview/service_test.go
• internal/interview/store.go
• internal/interview/types.go

Verification

gofmt -w cmd internal
go test ./...
openspec validate bootstrap-job-tutor-platform --strict

Additional live smoke checks:

• GET /healthz returned status ok.
• Diagnostic create/answer/get flow returned a session id, 3 questions, a solid typed grade, 1 evidence item, and 1 stored answer.

Deferred

• Durable database persistence.
• Authentication.
• Real third-one grading calls.
• Learner memory extraction and readiness progression.