docs(03-01): complete rename NanoBanana to GenerateImage plan

Tasks completed: 3/3
- Add SelectedModel type and update NanoBananaNodeData
- Create GenerateImageNode with provider/model selector
- Update store and canvas references

SUMMARY: .planning/phases/03-generate-node-refactor/03-01-SUMMARY.md

.planning/ROADMAP.md

@@ -52,7 +52,7 @@ Plans:
 **Design decision**: Separate nodes for image vs video generation (GenerateVideo added in Phase 6)
 
 Plans:
-- [ ] 03-01: Rename NanoBanana to GenerateImage, add model selector (image models only)
+- [x] 03-01: Rename NanoBanana to GenerateImage, add model selector (image models only)
 - [ ] 03-02: Provider-specific execution in generate API route
 - [ ] 03-03: Backward compatibility for existing workflows
 
@@ -98,7 +98,7 @@ Phases execute in numeric order: 1 → 2 → 3 → 4 → 5 → 6
 |-------|----------------|--------|-----------|
 | 1. Provider Infrastructure | 2/2 | Complete | 2026-01-09 |
 | 2. Model Discovery | 3/3 | Complete | 2026-01-09 |
-| 3. Generate Node Refactor | 0/3 | Not started | - |
+| 3. Generate Node Refactor | 1/3 | In progress | - |
 | 4. Model Search Dialog | 0/2 | Not started | - |
 | 5. Image URL Server | 0/2 | Not started | - |
 | 6. Video & Polish | 0/4 | Not started | - |

.planning/STATE.md

@@ -10,18 +10,18 @@ See: .planning/PROJECT.md (updated 2026-01-09)
 ## Current Position
 
 Phase: 3 of 6 (Generate Node Refactor)
-Plan: 0 of 3 in current phase
-Status: Ready to start Phase 3
-Last activity: 2026-01-09 - Completed 02-03-PLAN.md (Model caching)
+Plan: 1 of 3 in current phase
+Status: In progress
+Last activity: 2026-01-09 - Completed 03-01-PLAN.md (Rename NanoBanana to GenerateImage)
 
-Progress: [=================================] 33% (5/15 plans)
+Progress: [======================================] 40% (6/15 plans)
 
 ## Performance Metrics
 
 **Velocity:**
-- Total plans completed: 5
-- Average duration: 6 min
-- Total execution time: 0.5 hours
+- Total plans completed: 6
+- Average duration: 5.5 min
+- Total execution time: 0.55 hours
 
 **By Phase:**
 
@@ -29,9 +29,10 @@ Progress: [=================================] 33% (5/15 plans)
 |-------|-------|-------|----------|
 | 1. Provider Infrastructure | 2/2 | 14 min | 7 min |
 | 2. Model Discovery | 3/3 | 14 min | 4.7 min |
+| 3. Generate Node Refactor | 1/3 | 5 min | 5 min |
 
 **Recent Trend:**
-- Last 5 plans: 2 min, 4 min, 5 min, 5 min
+- Last 5 plans: 4 min, 5 min, 5 min, 5 min
 - Trend: stable
 
 ## Accumulated Context
@@ -53,6 +54,9 @@ Recent decisions affecting current work:
 - fal.ai category maps directly to ModelCapability (no inference)
 - 10-minute cache TTL for model lists
 - Unified API at /api/models with header-based auth
+- Provider dropdown shows Gemini always, others only if API key configured
+- Aspect ratio/resolution controls shown only for Gemini provider
+- Backward compatibility via aliases: NanoBananaNode, saveNanoBananaDefaults
 
 ### Deferred Issues
 
@@ -65,6 +69,6 @@ None.
 ## Session Continuity
 
 Last session: 2026-01-09
-Stopped at: Completed Phase 2 (02-03-PLAN.md)
+Stopped at: Completed 03-01-PLAN.md (GenerateImageNode with provider/model selector)
 Resume file: None
-Next action: Plan Phase 3 (03-01-PLAN.md - Rename NanoBanana to Generate)
+Next action: Execute 03-02-PLAN.md (Provider-specific execution in generate API route)

.planning/phases/03-generate-node-refactor/03-01-SUMMARY.md

@@ -0,0 +1,102 @@
+---
+phase: 03-generate-node-refactor
+plan: 01
+subsystem: ui
+tags: [react, generate-image, provider-selector, multi-provider]
+
+# Dependency graph
+requires:
+  - phase: 02-model-discovery
+    provides: /api/models endpoint, ProviderModel interface
+provides:
+  - GenerateImageNode component with multi-provider UI
+  - SelectedModel type for tracking provider/model selection
+  - Provider dropdown with enabled provider detection
+  - Model dropdown filtered to image capabilities
+affects: [03-02, 03-03, 04-model-search-dialog]
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns: [provider-selector-ui, model-filtering-by-capability]
+
+key-files:
+  created:
+    - src/components/nodes/GenerateImageNode.tsx
+  modified:
+    - src/types/index.ts
+    - src/components/nodes/index.ts
+    - src/store/workflowStore.ts
+    - src/components/WorkflowCanvas.tsx
+
+key-decisions:
+  - "Provider dropdown shows Gemini always, others only if API key configured"
+  - "Aspect ratio/resolution controls shown only for Gemini provider"
+  - "Backward compatibility via aliases: NanoBananaNode, saveNanoBananaDefaults"
+
+patterns-established:
+  - "Provider-aware UI: detect enabled providers via provider registry"
+  - "Model filtering: query /api/models with capabilities parameter"
+
+issues-created: []
+
+# Metrics
+duration: 5 min
+completed: 2026-01-09
+---
+
+# Phase 03 Plan 01: Rename NanoBanana to GenerateImage Summary
+
+**GenerateImageNode component with provider dropdown and model selector filtering to image-capable models only**
+
+## Performance
+
+- **Duration:** 5 min
+- **Started:** 2026-01-09T06:45:47Z
+- **Completed:** 2026-01-09T06:50:50Z
+- **Tasks:** 3
+- **Files modified:** 5
+
+## Accomplishments
+- Created GenerateImageNode component with provider/model selection UI
+- Added SelectedModel type for tracking selected provider and model
+- Provider dropdown shows Gemini (always) plus Replicate/fal.ai (if configured)
+- Model dropdown fetches from /api/models and filters to image capabilities
+- Aspect ratio/resolution controls conditionally shown for Gemini only
+
+## Task Commits
+
+Each task was committed atomically:
+
+1. **Task 1: Add SelectedModel type and update NanoBananaNodeData** - `d3bc29c` (feat)
+2. **Task 2: Create GenerateImageNode with provider/model selector** - `977b5f5` (feat)
+3. **Task 3: Update store and canvas references** - `cec11f2` (feat)
+
+**Plan metadata:** `4cc69a7` (docs: complete plan)
+
+## Files Created/Modified
+- `src/components/nodes/GenerateImageNode.tsx` - New component with provider/model selector
+- `src/types/index.ts` - Added SelectedModel interface, updated NanoBananaNodeData
+- `src/components/nodes/index.ts` - Export GenerateImageNode with NanoBananaNode alias
+- `src/store/workflowStore.ts` - Renamed helper functions with aliases, updated defaults
+- `src/components/WorkflowCanvas.tsx` - Updated nodeTypes to use GenerateImageNode
+
+## Decisions Made
+- Provider dropdown shows Gemini always (env-based), others only if API key configured in localStorage
+- Aspect ratio and resolution controls only shown for Gemini provider (other providers handle this differently)
+- Backward compatibility maintained: NanoBananaNode alias, saveNanoBananaDefaults alias
+
+## Deviations from Plan
+
+None - plan executed exactly as written.
+
+## Issues Encountered
+None
+
+## Next Phase Readiness
+- GenerateImageNode UI complete, ready for execution logic
+- Next plan 03-02 will add provider-specific execution in /api/generate route
+
+---
+*Phase: 03-generate-node-refactor*
+*Completed: 2026-01-09*