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popiart-node-canvas/.planning/phases/31-workflow-proposal-system/31-01-SUMMARY.md

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phase plan subsystem tags requires provides affects tech-stack key-files key-decisions patterns-established issues-created duration completed
31-workflow-proposal-system 1 api [quickstart workflow-proposal llm gemini typescript] {phase 30-quickstart-experience} {provides quickstart API patterns, validation utilities, prompts.ts structure} [WorkflowProposal types for reviewable workflow structure buildProposalPrompt function for proposal generation /api/quickstart/propose endpoint for generating proposals] [31-02 quickstart-ui workflow-generation] [{added []} {patterns [proposal-before-build reviewable-workflow-structure]}] [{created [src/lib/quickstart/proposalPrompt.ts src/app/api/quickstart/propose/route.ts]} {modified [src/types/quickstart.ts]}] [Proposal types focus on purpose/description, not internal state or positions Reuse parseJSONFromResponse from validation.ts for consistent JSON parsing Validate proposal shape before returning to catch LLM errors early] [ProposedNode.purpose: Human-readable explanation of node's role in workflow ProposedConnection.description: Data flow explanation for user understanding WorkflowProposal.warnings: Surface limitations before user commits to workflow] [] 12min 2026-01-26

Phase 31-01: Workflow Proposal Infrastructure Summary

WorkflowProposal types, buildProposalPrompt function, and /api/quickstart/propose endpoint for reviewable workflow structure before JSON generation

Performance

  • Duration: 12 min
  • Started: 2026-01-26T15:00:00Z
  • Completed: 2026-01-26T15:12:00Z
  • Tasks: 3
  • Files modified: 3

Accomplishments

  • WorkflowProposal types enable reviewable structure with purpose descriptions
  • buildProposalPrompt generates LLM prompt focused on human-readable descriptions
  • /api/quickstart/propose endpoint returns structured proposals for user review

Task Commits

Each task was committed atomically:

  1. Task 1: Define WorkflowProposal types - 602130a (feat)
  2. Task 2: Create proposal generation prompt - 0e42a7d (feat)
  3. Task 3: Create /api/quickstart/propose endpoint - c9b887b (feat)

Plan metadata: TBD (docs: complete plan)

Files Created/Modified

  • src/types/quickstart.ts - Added ProposedNode, ProposedConnection, ProposedGroup, WorkflowProposal types
  • src/lib/quickstart/proposalPrompt.ts - buildProposalPrompt function for proposal generation
  • src/app/api/quickstart/propose/route.ts - POST endpoint for generating workflow proposals

Decisions Made

  • Proposal types focus on purpose: Unlike full workflow JSON, proposals emphasize human-readable descriptions for each node and connection. No positions, no internal state.
  • Reuse validation utilities: parseJSONFromResponse already handles markdown extraction and error recovery.
  • Shape validation before return: The endpoint validates that LLM output matches expected structure to fail fast on malformed responses.

Deviations from Plan

None - plan executed exactly as written

Issues Encountered

None

Next Phase Readiness

  • Proposal endpoint is ready for ProposalReviewView UI integration (Plan 02)
  • Types are exported and can be imported by components
  • Endpoint tested via build verification

Phase: 31-workflow-proposal-system Completed: 2026-01-26