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popiart-node-canvas/.planning/phases/03-generate-node-refactor/03-03-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
03-generate-node-refactor 3 compatibility [migration backward-compatibility legacy-workflows multi-provider] {phase 03-01} {provides GenerateImageNode with SelectedModel type}] [{phase 03-02} {provides Multi-provider dispatch in /api/generate route} [Workflow migration logic for legacy nanoBanana nodes Multi-provider execution with API key headers in workflowStore Legacy data handling in GenerateImageNode UI] [04-model-search-dialog] [{added []} {patterns [Workflow migration on load in loadWorkflow() UI-side migration effect for runtime compatibility]}] [{created []} {modified [src/store/workflowStore.ts src/components/nodes/GenerateImageNode.tsx]}] [Dual migration: loadWorkflow migrates data, UI effect ensures runtime compatibility API key headers passed from providerSettings state in executeWorkflow/regenerateNode selectedModel included in request payload for provider routing] [Migration pattern: check for old data format, derive new format, update node Provider-agnostic logging: use provider variable in log messages] [] 3 min 2026-01-09

Phase 3 Plan 3: Backward Compatibility Summary

Workflow migration logic and multi-provider execution in workflowStore ensuring legacy Gemini workflows load and execute unchanged

Performance

  • Duration: 3 min
  • Started: 2026-01-09T07:43:18Z
  • Completed: 2026-01-09T07:46:38Z
  • Tasks: 3
  • Files modified: 2

Accomplishments

  • Workflow migration on load: legacy nanoBanana nodes without selectedModel auto-populated
  • Multi-provider execution: API key headers and selectedModel passed in requests
  • UI-side migration: GenerateImageNode derives selectedModel on mount for runtime compatibility

Task Commits

Each task was committed atomically:

  1. Task 1: Add workflow migration logic - 2811e62 (feat)
  2. Task 2: Update executeWorkflow for multi-provider - da326c9 (feat)
  3. Task 3: Handle legacy data in UI - 88b8962 (feat)

Plan metadata: 0e1f163 (docs: complete plan)

Files Created/Modified

  • src/store/workflowStore.ts - Migration in loadWorkflow, API key headers in executeWorkflow/regenerateNode
  • src/components/nodes/GenerateImageNode.tsx - useEffect for UI-side migration

Decisions Made

  • Dual migration approach: server-side on workflow load + client-side for runtime
  • API key headers (X-Replicate-API-Key, X-Fal-API-Key) for external providers
  • selectedModel included in request body for provider dispatch

Deviations from Plan

None - plan executed exactly as written.

Issues Encountered

None

Next Phase Readiness

  • Phase 3 (Generate Node Refactor) complete
  • All legacy workflows load with auto-populated selectedModel
  • Multi-provider execution working for Gemini, Replicate, and fal.ai
  • Ready for Phase 4: Model Search Dialog

Phase: 03-generate-node-refactor Completed: 2026-01-09