v0.2.1 — Code Review Fixes

Fixes:
- CRITICAL: compareVersions used string comparison, fails for 1.10 vs 1.9 (now numeric)
- CRITICAL: Double CloseDatabase() in main.go (defer + OnShutdown)
- CRITICAL: Tailwind v4 in package.json but v3 config/syntax (downgraded to v3)
- CRITICAL: react-router-dom v7 with v5 types (switched to v6, removed deprecated types)
- IMPORTANT: UpdatePlanEntry hook signature mismatch (7 args vs Go's 4)
- IMPORTANT: AllergenPicker hidden checkbox inaccessible to screenreaders (sr-only)
- IMPORTANT: weekHelper getWeekFromDate returned wrong ISO year for edge cases
- IMPORTANT: getWeeksInYear bug for years where Dec 31 is in week 1 of next year
- IMPORTANT: getDateFromWeek off-by-one for some years (use Jan 4 anchor)
- IMPORTANT: ProductSearch click-outside missed dropdown (use container ref)
- IMPORTANT: seed.go LastInsertId=0 on INSERT OR IGNORE skip
- IMPORTANT: SQLite missing PRAGMA foreign_keys=ON and WAL mode
- IMPORTANT: AdditivePicker ADDITIVE_NAMES used numeric IDs but data uses letters
- IMPORTANT: Missing role=dialog/aria-modal on all modal dialogs
- IMPORTANT: Missing Escape key handler on ProductForm modal
- IMPORTANT: Sidebar NavLink aria-current used function instead of string
- IMPORTANT: useProducts searchProducts null safety for allergens/additives
- NICE-TO-HAVE: Added aria-live=polite to WeekPlanner for dynamic updates
- NICE-TO-HAVE: Added postcss.config.js for Tailwind v3
- NICE-TO-HAVE: Updated model comments to match actual day/meal conventions
- NICE-TO-HAVE: Modernized vite/typescript/plugin versions

frontend/package.json

@@ -9,19 +9,18 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "@types/react-router-dom": "^5.3.3",
-    "autoprefixer": "^10.4.24",
-    "postcss": "^8.5.6",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-router-dom": "^7.13.0",
-    "tailwindcss": "^4.2.0"
+    "react-router-dom": "^6.26.0"
   },
   "devDependencies": {
     "@types/react": "^18.0.17",
     "@types/react-dom": "^18.0.6",
-    "@vitejs/plugin-react": "^2.0.1",
-    "typescript": "^4.6.4",
-    "vite": "^3.0.7"
+    "@vitejs/plugin-react": "^4.3.0",
+    "autoprefixer": "^10.4.24",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^3.4.0",
+    "typescript": "^5.5.0",
+    "vite": "^5.4.0"
   }
 }