feat: Complete internationalization and code cleanup

## Translation Files
- Add 11 new language files (es, de, pt, ru, zh, ja, ko, ar, hi, nl, pl)
- Add 100+ missing translation keys across all 15 languages
- New sections: notebook, pagination, ai.batchOrganization, ai.autoLabels
- Update nav section with workspace, quickAccess, myLibrary keys

## Component Updates
- Update 15+ components to use translation keys instead of hardcoded text
- Components: notebook dialogs, sidebar, header, note-input, ghost-tags, etc.
- Replace 80+ hardcoded English/French strings with t() calls
- Ensure consistent UI across all supported languages

## Code Quality
- Remove 77+ console.log statements from codebase
- Clean up API routes, components, hooks, and services
- Keep only essential error handling (no debugging logs)

## UI/UX Improvements
- Update Keep logo to yellow post-it style (from-yellow-400 to-amber-500)
- Change selection colors to #FEF3C6 (notebooks) and #EFB162 (nav items)
- Make "+" button permanently visible in notebooks section
- Fix grammar and syntax errors in multiple components

## Bug Fixes
- Fix JSON syntax errors in it.json, nl.json, pl.json, zh.json
- Fix syntax errors in notebook-suggestion-toast.tsx
- Fix syntax errors in use-auto-tagging.ts
- Fix syntax errors in paragraph-refactor.service.ts
- Fix duplicate "fusion" section in nl.json

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Ou une version plus courte si vous préférez :

feat(i18n): Add 15 languages, remove logs, update UI components

- Create 11 new translation files (es, de, pt, ru, zh, ja, ko, ar, hi, nl, pl)
- Add 100+ translation keys: notebook, pagination, AI features
- Update 15+ components to use translations (80+ strings)
- Remove 77+ console.log statements from codebase
- Fix JSON syntax errors in 4 translation files
- Fix component syntax errors (toast, hooks, services)
- Update logo to yellow post-it style
- Change selection colors (#FEF3C6, #EFB162)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

_bmad-output/planning-artifacts/bmm-workflow-status.yaml

@@ -31,7 +31,7 @@ workflow_status:
 
   # Phase 2: Planning
   prd: _bmad-output/planning-artifacts/prd.md
-  create-ux-design: conditional
+  create-ux-design: _bmad-output/planning-artifacts/ux-design-specification.md
 
   # Phase 3: Solutioning
   create-architecture: required
@@ -39,5 +39,26 @@ workflow_status:
   test-design: optional
   implementation-readiness: _bmad-output/planning-artifacts/implementation-readiness-report-2026-01-09.md
 
+# PROJECT-SPECIFIC STATUS
+# ======================
+
+# Notebooks & Labels Contextuels Project (2026-01-11)
+notebooks_contextual_labels:
+  prd: _bmad-output/planning-artifacts/notebooks-contextual-labels-prd.md
+  ux_design: _bmad-output/excalidraw-diagrams/notebooks-wireframes.md
+  architecture: _bmad-output/planning-artifacts/notebooks-contextual-labels-architecture.md
+  architecture_status: VALIDATED
+  architecture_validated_date: "2026-01-11"
+  tech_specs: _bmad-output/planning-artifacts/notebooks-tech-specs.md
+  tech_specs_status: COMPLETE
+  tech_specs_created_date: "2026-01-11"
+  epics_stories: _bmad-output/planning-artifacts/notebooks-epics-stories.md
+  epics_status: COMPLETE
+  epics_created_date: "2026-01-11"
+  total_epics: 6
+  total_stories: 34
+  total_points: 97
+  next_phase: "sprint-planning"
+
   # Phase 4: Implementation
   sprint-planning: required