feat: configure service worker and offline support (#34 )

- Enhance Workbox configuration with comprehensive caching strategies - Add separate caching for Supabase REST API, Storage, and Auth - Configure Open Food Facts API caching (30-day cache) - Add offline fallback page with retry functionality - Create useOnlineStatus composable for network monitoring - Add OfflineBanner component for user feedback - Configure skipWaiting and clientsClaim for instant updates - Cache Google Fonts and product images Caching strategies: - Network-first: Supabase REST API (fresh data priority) - Network-only: Auth endpoints (never cache sensitive auth) - Cache-first: Images, fonts, product data (performance) - Offline fallback: /offline page for failed navigations Closes #34
Merge pull request 'feat: generate PWA icons and assets (#33 )' (#55 ) from feature/issue-33-pwa-icons into develop
2026-02-25 00:07:44 +00:00 · 2026-02-25 00:06:27 +00:00 · 2026-02-25 00:06:07 +00:00 · 2026-02-25 00:04:04 +00:00
18 changed files with 1036 additions and 16 deletions
--- a/app/app/app.vue
+++ b/app/app/app.vue
@@ -1,5 +1,8 @@
 <template>
-  <NuxtLayout>
-    <NuxtPage />
-  </NuxtLayout>
+  <div>
+    <OfflineBanner />
+    <NuxtLayout>
+      <NuxtPage />
+    </NuxtLayout>
+  </div>
 </template>
--- a/app/components/OfflineBanner.vue
+++ b/app/components/OfflineBanner.vue
@@ -0,0 +1,58 @@
+<template>
+  <Transition
+    enter-active-class="transition ease-out duration-300"
+    enter-from-class="opacity-0 -translate-y-2"
+    enter-to-class="opacity-100 translate-y-0"
+    leave-active-class="transition ease-in duration-200"
+    leave-from-class="opacity-100 translate-y-0"
+    leave-to-class="opacity-0 -translate-y-2"
+  >
+    <div
+      v-if="!isOnline"
+      class="fixed top-0 left-0 right-0 z-50 bg-amber-500 text-white px-4 py-2 text-center shadow-lg"
+    >
+      <div class="flex items-center justify-center gap-2">
+        <UIcon name="i-heroicons-wifi-slash" class="w-5 h-5" />
+        <span class="font-medium">
+          You're currently offline. Changes will sync when connection is restored.
+        </span>
+      </div>
+    </div>
+  </Transition>
+  
+  <Transition
+    enter-active-class="transition ease-out duration-300"
+    enter-from-class="opacity-0 -translate-y-2"
+    enter-to-class="opacity-100 translate-y-0"
+    leave-active-class="transition ease-in duration-200"
+    leave-from-class="opacity-100 translate-y-0"
+    leave-to-class="opacity-0 -translate-y-2"
+  >
+    <div
+      v-if="isOnline && wasOffline && showReconnected"
+      class="fixed top-0 left-0 right-0 z-50 bg-emerald-500 text-white px-4 py-2 text-center shadow-lg"
+    >
+      <div class="flex items-center justify-center gap-2">
+        <UIcon name="i-heroicons-wifi" class="w-5 h-5" />
+        <span class="font-medium">
+          Back online! Syncing your changes...
+        </span>
+      </div>
+    </div>
+  </Transition>
+</template>
+
+<script setup lang="ts">
+const { isOnline, wasOffline } = useOnlineStatus()
+const showReconnected = ref(false)
+
+// Show "back online" message for 3 seconds
+watch(isOnline, (online) => {
+  if (online && wasOffline.value) {
+    showReconnected.value = true
+    setTimeout(() => {
+      showReconnected.value = false
+    }, 3000)
+  }
+})
+</script>
--- a/app/composables/useOnlineStatus.ts
+++ b/app/composables/useOnlineStatus.ts
@@ -0,0 +1,47 @@
+/**
+ * Composable to track online/offline status
+ * 
+ * Usage:
+ * const { isOnline, wasOffline } = useOnlineStatus()
+ * 
+ * watch(isOnline, (online) => {
+ *   if (online && wasOffline.value) {
+ *     // User came back online, sync data
+ *   }
+ * })
+ */
+export function useOnlineStatus() {
+  const isOnline = ref(true)
+  const wasOffline = ref(false)
+
+  if (process.client) {
+    // Initial state
+    isOnline.value = navigator.onLine
+
+    // Listen for online/offline events
+    const updateOnlineStatus = () => {
+      const online = navigator.onLine
+      
+      if (!online && isOnline.value) {
+        // Just went offline
+        wasOffline.value = true
+      }
+      
+      isOnline.value = online
+    }
+
+    window.addEventListener('online', updateOnlineStatus)
+    window.addEventListener('offline', updateOnlineStatus)
+
+    // Cleanup on unmount
+    onUnmounted(() => {
+      window.removeEventListener('online', updateOnlineStatus)
+      window.removeEventListener('offline', updateOnlineStatus)
+    })
+  }
+
+  return {
+    isOnline: readonly(isOnline),
+    wasOffline: readonly(wasOffline)
+  }
+}
--- a/app/nuxt.config.ts
+++ b/app/nuxt.config.ts
@@ -77,37 +77,101 @@ export default defineNuxtConfig({
      ]
    },
    workbox: {
-      navigateFallback: '/',
-      globPatterns: ['**/*.{js,css,html,png,svg,ico}'],
+      navigateFallback: '/offline',
+      navigateFallbackDenylist: [/^\/api\//],
+      globPatterns: ['**/*.{js,css,html,png,svg,ico,woff,woff2}'],
      cleanupOutdatedCaches: true,
+      skipWaiting: true,
+      clientsClaim: true,
      runtimeCaching: [
+        // Supabase API - Network first with fallback
        {
-          urlPattern: /^https:\/\/api\.supabase\.co\/.*/i,
+          urlPattern: /^https:\/\/.*\.supabase\.co\/rest\/.*/i,
          handler: 'NetworkFirst',
          options: {
-            cacheName: 'supabase-api',
+            cacheName: 'supabase-rest-api',
+            networkTimeoutSeconds: 10,
            expiration: {
-              maxEntries: 100,
-              maxAgeSeconds: 60 * 60 * 24 // 24 hours
+              maxEntries: 50,
+              maxAgeSeconds: 60 * 60 // 1 hour
            },
            cacheableResponse: {
              statuses: [0, 200]
            }
          }
        },
+        // Supabase Auth - Network only (don't cache auth)
        {
-          urlPattern: /^https:\/\/.*\.supabase\.co\/.*/i,
-          handler: 'NetworkFirst',
+          urlPattern: /^https:\/\/.*\.supabase\.co\/auth\/.*/i,
+          handler: 'NetworkOnly'
+        },
+        // Supabase Storage - Cache first for images
+        {
+          urlPattern: /^https:\/\/.*\.supabase\.co\/storage\/.*/i,
+          handler: 'CacheFirst',
          options: {
-            cacheName: 'supabase-data',
+            cacheName: 'supabase-storage',
            expiration: {
              maxEntries: 100,
-              maxAgeSeconds: 60 * 60 * 24 // 24 hours
+              maxAgeSeconds: 60 * 60 * 24 * 7 // 1 week
            },
            cacheableResponse: {
              statuses: [0, 200]
            }
          }
+        },
+        // Open Food Facts API - Cache first with network fallback
+        {
+          urlPattern: /^https:\/\/world\.openfoodfacts\.org\/.*/i,
+          handler: 'CacheFirst',
+          options: {
+            cacheName: 'openfoodfacts-api',
+            expiration: {
+              maxEntries: 200,
+              maxAgeSeconds: 60 * 60 * 24 * 30 // 30 days
+            },
+            cacheableResponse: {
+              statuses: [0, 200]
+            }
+          }
+        },
+        // External images - Cache first
+        {
+          urlPattern: /^https:\/\/images\.openfoodfacts\.org\/.*/i,
+          handler: 'CacheFirst',
+          options: {
+            cacheName: 'product-images',
+            expiration: {
+              maxEntries: 100,
+              maxAgeSeconds: 60 * 60 * 24 * 30 // 30 days
+            },
+            cacheableResponse: {
+              statuses: [0, 200]
+            }
+          }
+        },
+        // Google Fonts - Cache first
+        {
+          urlPattern: /^https:\/\/fonts\.googleapis\.com\/.*/i,
+          handler: 'CacheFirst',
+          options: {
+            cacheName: 'google-fonts-stylesheets',
+            expiration: {
+              maxEntries: 20,
+              maxAgeSeconds: 60 * 60 * 24 * 365 // 1 year
+            }
+          }
+        },
+        {
+          urlPattern: /^https:\/\/fonts\.gstatic\.com\/.*/i,
+          handler: 'CacheFirst',
+          options: {
+            cacheName: 'google-fonts-webfonts',
+            expiration: {
+              maxEntries: 30,
+              maxAgeSeconds: 60 * 60 * 24 * 365 // 1 year
+            }
+          }
        }
      ]
    },
--- a/app/package-lock.json
+++ b/app/package-lock.json
@@ -17,7 +17,8 @@
      },
      "devDependencies": {
        "@nuxtjs/tailwindcss": "^6.14.0",
-        "@vite-pwa/nuxt": "^1.1.1"
+        "@vite-pwa/nuxt": "^1.1.1",
+        "sharp": "^0.34.5"
      }
    },
    "node_modules/@alloc/quick-lru": {
@@ -2235,6 +2236,496 @@
        "vue": ">=3"
      }
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+    "node_modules/@img/sharp-linux-s390x": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linux-s390x/-/sharp-linux-s390x-0.34.5.tgz",
+      "integrity": "sha512-nQtCk0PdKfho3eC5MrbQoigJ2gd1CgddUMkabUj+rBevs8tZ2cULOx46E7oyX+04WGfABgIwmMC0VqieTiR4jg==",
+      "cpu": [
+        "s390x"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linux-s390x": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-linux-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linux-x64/-/sharp-linux-x64-0.34.5.tgz",
+      "integrity": "sha512-MEzd8HPKxVxVenwAa+JRPwEC7QFjoPWuS5NZnBt6B3pu7EG2Ge0id1oLHZpPJdn3OQK+BQDiw9zStiHBTJQQQQ==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linux-x64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-linuxmusl-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linuxmusl-arm64/-/sharp-linuxmusl-arm64-0.34.5.tgz",
+      "integrity": "sha512-fprJR6GtRsMt6Kyfq44IsChVZeGN97gTD331weR1ex1c1rypDEABN6Tm2xa1wE6lYb5DdEnk03NZPqA7Id21yg==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-linuxmusl-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linuxmusl-x64/-/sharp-linuxmusl-x64-0.34.5.tgz",
+      "integrity": "sha512-Jg8wNT1MUzIvhBFxViqrEhWDGzqymo3sV7z7ZsaWbZNDLXRJZoRGrjulp60YYtV4wfY8VIKcWidjojlLcWrd8Q==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-wasm32": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-wasm32/-/sharp-wasm32-0.34.5.tgz",
+      "integrity": "sha512-OdWTEiVkY2PHwqkbBI8frFxQQFekHaSSkUIJkwzclWZe64O1X4UlUjqqqLaPbUpMOQk6FBu/HtlGXNblIs0huw==",
+      "cpu": [
+        "wasm32"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later AND MIT",
+      "optional": true,
+      "dependencies": {
+        "@emnapi/runtime": "^1.7.0"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-arm64/-/sharp-win32-arm64-0.34.5.tgz",
+      "integrity": "sha512-WQ3AgWCWYSb2yt+IG8mnC6Jdk9Whs7O0gxphblsLvdhSpSTtmu69ZG1Gkb6NuvxsNACwiPV6cNSZNzt0KPsw7g==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-ia32": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-ia32/-/sharp-win32-ia32-0.34.5.tgz",
+      "integrity": "sha512-FV9m/7NmeCmSHDD5j4+4pNI8Cp3aW+JvLoXcTUo0IqyjSfAZJ8dIUmijx1qaJsIiU+Hosw6xM5KijAWRJCSgNg==",
+      "cpu": [
+        "ia32"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-x64/-/sharp-win32-x64-0.34.5.tgz",
+      "integrity": "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
    "node_modules/@internationalized/date": {
      "version": "3.11.0",
      "license": "Apache-2.0",
@@ -12423,6 +12914,7 @@
    "node_modules/nuxt": {
      "version": "4.3.1",
      "license": "MIT",
+      "peer": true,
      "dependencies": {
        "@dxup/nuxt": "^0.3.2",
        "@nuxt/cli": "^3.33.0",
@@ -14539,6 +15031,51 @@
      "version": "1.2.0",
      "license": "ISC"
    },
+    "node_modules/sharp": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.5.tgz",
+      "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@img/colour": "^1.0.0",
+        "detect-libc": "^2.1.2",
+        "semver": "^7.7.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.34.5",
+        "@img/sharp-darwin-x64": "0.34.5",
+        "@img/sharp-libvips-darwin-arm64": "1.2.4",
+        "@img/sharp-libvips-darwin-x64": "1.2.4",
+        "@img/sharp-libvips-linux-arm": "1.2.4",
+        "@img/sharp-libvips-linux-arm64": "1.2.4",
+        "@img/sharp-libvips-linux-ppc64": "1.2.4",
+        "@img/sharp-libvips-linux-riscv64": "1.2.4",
+        "@img/sharp-libvips-linux-s390x": "1.2.4",
+        "@img/sharp-libvips-linux-x64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4",
+        "@img/sharp-linux-arm": "0.34.5",
+        "@img/sharp-linux-arm64": "0.34.5",
+        "@img/sharp-linux-ppc64": "0.34.5",
+        "@img/sharp-linux-riscv64": "0.34.5",
+        "@img/sharp-linux-s390x": "0.34.5",
+        "@img/sharp-linux-x64": "0.34.5",
+        "@img/sharp-linuxmusl-arm64": "0.34.5",
+        "@img/sharp-linuxmusl-x64": "0.34.5",
+        "@img/sharp-wasm32": "0.34.5",
+        "@img/sharp-win32-arm64": "0.34.5",
+        "@img/sharp-win32-ia32": "0.34.5",
+        "@img/sharp-win32-x64": "0.34.5"
+      }
+    },
    "node_modules/shebang-command": {
      "version": "2.0.0",
      "license": "MIT",
--- a/app/package.json
+++ b/app/package.json
@@ -7,7 +7,8 @@
    "dev": "nuxt dev",
    "generate": "nuxt generate",
    "preview": "nuxt preview",
-    "postinstall": "nuxt prepare"
+    "postinstall": "nuxt prepare",
+    "generate:icons": "node scripts/generate-icons.js && node scripts/generate-screenshots.js"
  },
  "dependencies": {
    "@nuxt/fonts": "^0.13.0",
@@ -20,6 +21,7 @@
  },
  "devDependencies": {
    "@nuxtjs/tailwindcss": "^6.14.0",
-    "@vite-pwa/nuxt": "^1.1.1"
+    "@vite-pwa/nuxt": "^1.1.1",
+    "sharp": "^0.34.5"
  }
 }
--- a/app/pages/offline.vue
+++ b/app/pages/offline.vue
@@ -0,0 +1,69 @@
+<template>
+  <div class="flex flex-col items-center justify-center min-h-screen p-8 text-center">
+    <UIcon name="i-heroicons-wifi-slash" class="w-24 h-24 text-gray-400 mb-6" />
+    
+    <h1 class="text-3xl font-bold text-gray-900 mb-4">
+      You're Offline
+    </h1>
+    
+    <p class="text-gray-600 mb-8 max-w-md">
+      No internet connection detected. Some features may be limited, but you can still:
+    </p>
+    
+    <div class="space-y-3 mb-8 text-left max-w-md">
+      <div class="flex items-start gap-3">
+        <UIcon name="i-heroicons-check-circle" class="w-6 h-6 text-emerald-500 mt-0.5" />
+        <span class="text-gray-700">View cached inventory items</span>
+      </div>
+      <div class="flex items-start gap-3">
+        <UIcon name="i-heroicons-check-circle" class="w-6 h-6 text-emerald-500 mt-0.5" />
+        <span class="text-gray-700">Scan barcodes (will sync when online)</span>
+      </div>
+      <div class="flex items-start gap-3">
+        <UIcon name="i-heroicons-check-circle" class="w-6 h-6 text-emerald-500 mt-0.5" />
+        <span class="text-gray-700">Browse previously loaded data</span>
+      </div>
+    </div>
+    
+    <UButton
+      color="emerald"
+      size="lg"
+      @click="retry"
+      :loading="retrying"
+    >
+      <template #leading>
+        <UIcon name="i-heroicons-arrow-path" />
+      </template>
+      Try Again
+    </UButton>
+  </div>
+</template>
+
+<script setup lang="ts">
+const retrying = ref(false)
+
+async function retry() {
+  retrying.value = true
+  
+  try {
+    // Test if we're back online
+    const response = await fetch('/api/health', { method: 'HEAD' })
+    if (response.ok) {
+      // We're online! Go back
+      window.location.reload()
+    }
+  } catch (error) {
+    // Still offline
+    setTimeout(() => {
+      retrying.value = false
+    }, 1000)
+  }
+}
+
+// Auto-retry when online event fires
+if (typeof window !== 'undefined') {
+  window.addEventListener('online', () => {
+    window.location.reload()
+  })
+}
+</script>
--- a/app/public/apple-touch-icon.png
+++ b/app/public/apple-touch-icon.png
--- a/app/public/favicon.ico
+++ b/app/public/favicon.ico
--- a/app/public/icon-192x192-maskable.png
+++ b/app/public/icon-192x192-maskable.png
--- a/app/public/icon-192x192.png
+++ b/app/public/icon-192x192.png
--- a/app/public/icon-512x512-maskable.png
+++ b/app/public/icon-512x512-maskable.png
--- a/app/public/icon-512x512.png
+++ b/app/public/icon-512x512.png
--- a/app/public/icon.svg
+++ b/app/public/icon.svg
@@ -0,0 +1,46 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" fill="none">
+  <!-- Background circle with emerald gradient -->
+  <defs>
+    <linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#10b981;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#059669;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  
+  <!-- Background -->
+  <circle cx="256" cy="256" r="256" fill="url(#grad)"/>
+  
+  <!-- Pantry shelves icon (simplified cabinet with items) -->
+  <g transform="translate(106, 96)">
+    <!-- Cabinet outline -->
+    <rect x="0" y="0" width="300" height="320" rx="12" fill="none" stroke="white" stroke-width="8"/>
+    
+    <!-- Top shelf -->
+    <line x1="0" y1="80" x2="300" y2="80" stroke="white" stroke-width="6"/>
+    
+    <!-- Middle shelf -->
+    <line x1="0" y1="160" x2="300" y2="160" stroke="white" stroke-width="6"/>
+    
+    <!-- Bottom shelf -->
+    <line x1="0" y1="240" x2="300" y2="240" stroke="white" stroke-width="6"/>
+    
+    <!-- Top shelf items - jars -->
+    <circle cx="60" cy="40" r="25" fill="white" opacity="0.9"/>
+    <circle cx="150" cy="40" r="25" fill="white" opacity="0.9"/>
+    <circle cx="240" cy="40" r="25" fill="white" opacity="0.9"/>
+    
+    <!-- Middle shelf items - boxes -->
+    <rect x="35" y="105" width="50" height="40" rx="4" fill="white" opacity="0.9"/>
+    <rect x="125" y="105" width="50" height="40" rx="4" fill="white" opacity="0.9"/>
+    <rect x="215" y="105" width="50" height="40" rx="4" fill="white" opacity="0.9"/>
+    
+    <!-- Bottom shelf items - cans -->
+    <rect x="35" y="185" width="50" height="45" rx="6" fill="white" opacity="0.9"/>
+    <rect x="125" y="185" width="50" height="45" rx="6" fill="white" opacity="0.9"/>
+    <rect x="215" y="185" width="50" height="45" rx="6" fill="white" opacity="0.9"/>
+    
+    <!-- Very bottom items - larger containers -->
+    <rect x="45" y="260" width="70" height="50" rx="6" fill="white" opacity="0.9"/>
+    <rect x="185" y="260" width="70" height="50" rx="6" fill="white" opacity="0.9"/>
+  </g>
+</svg>
--- a/app/public/screenshot-desktop.png
+++ b/app/public/screenshot-desktop.png
--- a/app/public/screenshot-mobile.png
+++ b/app/public/screenshot-mobile.png
--- a/app/scripts/generate-icons.js
+++ b/app/scripts/generate-icons.js
@@ -0,0 +1,70 @@
+#!/usr/bin/env node
+import { readFile, writeFile } from 'fs/promises';
+import { join, dirname } from 'path';
+import { fileURLToPath } from 'url';
+import sharp from 'sharp';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const publicDir = join(__dirname, '..', 'public');
+const svgPath = join(publicDir, 'icon.svg');
+
+const sizes = [
+  { size: 192, name: 'icon-192x192.png', maskable: false },
+  { size: 512, name: 'icon-512x512.png', maskable: false },
+  { size: 192, name: 'icon-192x192-maskable.png', maskable: true },
+  { size: 512, name: 'icon-512x512-maskable.png', maskable: true },
+];
+
+async function generateIcons() {
+  console.log('Reading SVG icon...');
+  const svgBuffer = await readFile(svgPath);
+  
+  for (const { size, name, maskable } of sizes) {
+    console.log(`Generating ${name}...`);
+    
+    let buffer;
+    if (maskable) {
+      // Maskable icons need safe zone padding (80% of icon in center)
+      // Create a transparent canvas with padding
+      const paddedSize = size;
+      const iconSize = Math.floor(size * 0.8);
+      const offset = Math.floor((paddedSize - iconSize) / 2);
+      
+      // Resize SVG to icon size
+      const iconBuffer = await sharp(svgBuffer)
+        .resize(iconSize, iconSize)
+        .png()
+        .toBuffer();
+      
+      // Create transparent background and composite
+      buffer = await sharp({
+        create: {
+          width: paddedSize,
+          height: paddedSize,
+          channels: 4,
+          background: { r: 0, g: 0, b: 0, alpha: 0 }
+        }
+      })
+        .composite([{
+          input: iconBuffer,
+          top: offset,
+          left: offset
+        }])
+        .png()
+        .toBuffer();
+    } else {
+      // Regular icon - full size
+      buffer = await sharp(svgBuffer)
+        .resize(size, size)
+        .png()
+        .toBuffer();
+    }
+    
+    await writeFile(join(publicDir, name), buffer);
+    console.log(`✓ ${name}`);
+  }
+  
+  console.log('\n✅ All icons generated successfully!');
+}
+
+generateIcons().catch(console.error);
--- a/app/scripts/generate-screenshots.js
+++ b/app/scripts/generate-screenshots.js
@@ -0,0 +1,124 @@
+#!/usr/bin/env node
+import { writeFile } from 'fs/promises';
+import { join, dirname } from 'path';
+import { fileURLToPath } from 'url';
+import sharp from 'sharp';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const publicDir = join(__dirname, '..', 'public');
+
+async function generateScreenshots() {
+  // Mobile screenshot (390x844 - iPhone 12/13/14 size)
+  console.log('Generating mobile screenshot placeholder...');
+  const mobileBuffer = await sharp({
+    create: {
+      width: 390,
+      height: 844,
+      channels: 4,
+      background: { r: 249, g: 250, b: 251, alpha: 1 } // Tailwind gray-50
+    }
+  })
+    .composite([
+      {
+        input: Buffer.from(`
+          <svg width="390" height="844">
+            <!-- Header -->
+            <rect width="390" height="64" fill="#10b981"/>
+            <text x="195" y="42" font-family="Arial" font-size="20" fill="white" text-anchor="middle" font-weight="bold">Pantry</text>
+            
+            <!-- Content area -->
+            <text x="24" y="104" font-family="Arial" font-size="24" fill="#111827" font-weight="bold">My Pantry</text>
+            
+            <!-- Item cards -->
+            <rect x="16" y="130" width="358" height="80" rx="8" fill="white" stroke="#e5e7eb" stroke-width="1"/>
+            <text x="32" y="160" font-family="Arial" font-size="16" fill="#111827" font-weight="600">Milk</text>
+            <text x="32" y="185" font-family="Arial" font-size="14" fill="#6b7280">Fridge • 1L</text>
+            
+            <rect x="16" y="226" width="358" height="80" rx="8" fill="white" stroke="#e5e7eb" stroke-width="1"/>
+            <text x="32" y="256" font-family="Arial" font-size="16" fill="#111827" font-weight="600">Pasta</text>
+            <text x="32" y="281" font-family="Arial" font-size="14" fill="#6b7280">Pantry • 500g</text>
+            
+            <rect x="16" y="322" width="358" height="80" rx="8" fill="white" stroke="#e5e7eb" stroke-width="1"/>
+            <text x="32" y="352" font-family="Arial" font-size="16" fill="#111827" font-weight="600">Tomato Sauce</text>
+            <text x="32" y="377" font-family="Arial" font-size="14" fill="#6b7280">Pantry • 400ml</text>
+            
+            <!-- Bottom navigation -->
+            <rect y="780" width="390" height="64" fill="white" stroke="#e5e7eb" stroke-width="1"/>
+            <text x="78" y="820" font-family="Arial" font-size="12" fill="#6b7280" text-anchor="middle">Home</text>
+            <text x="195" y="820" font-family="Arial" font-size="12" fill="#10b981" text-anchor="middle">Scan</text>
+            <text x="312" y="820" font-family="Arial" font-size="12" fill="#6b7280" text-anchor="middle">Settings</text>
+          </svg>
+        `),
+        top: 0,
+        left: 0
+      }
+    ])
+    .png()
+    .toBuffer();
+  
+  await writeFile(join(publicDir, 'screenshot-mobile.png'), mobileBuffer);
+  console.log('✓ screenshot-mobile.png');
+  
+  // Desktop screenshot (1920x1080)
+  console.log('Generating desktop screenshot placeholder...');
+  const desktopBuffer = await sharp({
+    create: {
+      width: 1920,
+      height: 1080,
+      channels: 4,
+      background: { r: 249, g: 250, b: 251, alpha: 1 } // Tailwind gray-50
+    }
+  })
+    .composite([
+      {
+        input: Buffer.from(`
+          <svg width="1920" height="1080">
+            <!-- Header -->
+            <rect width="1920" height="80" fill="#10b981"/>
+            <text x="960" y="50" font-family="Arial" font-size="32" fill="white" text-anchor="middle" font-weight="bold">Pantry - Smart Inventory Manager</text>
+            
+            <!-- Sidebar -->
+            <rect x="0" y="80" width="280" height="1000" fill="white" stroke="#e5e7eb" stroke-width="1"/>
+            <text x="32" y="130" font-family="Arial" font-size="18" fill="#10b981" font-weight="600">Dashboard</text>
+            <text x="32" y="180" font-family="Arial" font-size="18" fill="#6b7280">Scan Item</text>
+            <text x="32" y="230" font-family="Arial" font-size="18" fill="#6b7280">Settings</text>
+            
+            <!-- Main content -->
+            <text x="340" y="150" font-family="Arial" font-size="36" fill="#111827" font-weight="bold">My Pantry Items</text>
+            
+            <!-- Grid of items -->
+            <rect x="340" y="200" width="480" height="180" rx="12" fill="white" stroke="#e5e7eb" stroke-width="2"/>
+            <text x="370" y="250" font-family="Arial" font-size="24" fill="#111827" font-weight="600">Milk</text>
+            <text x="370" y="290" font-family="Arial" font-size="18" fill="#6b7280">Fridge • 1L • Expires in 5 days</text>
+            
+            <rect x="860" y="200" width="480" height="180" rx="12" fill="white" stroke="#e5e7eb" stroke-width="2"/>
+            <text x="890" y="250" font-family="Arial" font-size="24" fill="#111827" font-weight="600">Pasta</text>
+            <text x="890" y="290" font-family="Arial" font-size="18" fill="#6b7280">Pantry • 500g</text>
+            
+            <rect x="1380" y="200" width="480" height="180" rx="12" fill="white" stroke="#e5e7eb" stroke-width="2"/>
+            <text x="1410" y="250" font-family="Arial" font-size="24" fill="#111827" font-weight="600">Tomato Sauce</text>
+            <text x="1410" y="290" font-family="Arial" font-size="18" fill="#6b7280">Pantry • 400ml</text>
+            
+            <rect x="340" y="420" width="480" height="180" rx="12" fill="white" stroke="#e5e7eb" stroke-width="2"/>
+            <text x="370" y="470" font-family="Arial" font-size="24" fill="#111827" font-weight="600">Rice</text>
+            <text x="370" y="510" font-family="Arial" font-size="18" fill="#6b7280">Pantry • 1kg</text>
+            
+            <rect x="860" y="420" width="480" height="180" rx="12" fill="white" stroke="#e5e7eb" stroke-width="2"/>
+            <text x="890" y="470" font-family="Arial" font-size="24" fill="#111827" font-weight="600">Olive Oil</text>
+            <text x="890" y="510" font-family="Arial" font-size="18" fill="#6b7280">Pantry • 750ml</text>
+          </svg>
+        `),
+        top: 0,
+        left: 0
+      }
+    ])
+    .png()
+    .toBuffer();
+  
+  await writeFile(join(publicDir, 'screenshot-desktop.png'), desktopBuffer);
+  console.log('✓ screenshot-desktop.png');
+  
+  console.log('\n✅ All screenshots generated successfully!');
+}
+
+generateScreenshots().catch(console.error);
Author	SHA1	Message	Date
Pantry Lead Agent	b98b3bf222	feat: configure service worker and offline support (#34 ) Some checks failed Pull Request Checks / Validate PR (pull_request) Has been cancelled Details Deploy to Coolify / Code Quality (pull_request) Has been cancelled Details Deploy to Coolify / Run Tests (pull_request) Has been cancelled Details Deploy to Coolify / Deploy to Development (pull_request) Has been cancelled Details Deploy to Coolify / Deploy to Production (pull_request) Has been cancelled Details Deploy to Coolify / Deploy to Test (pull_request) Has been cancelled Details - Enhance Workbox configuration with comprehensive caching strategies - Add separate caching for Supabase REST API, Storage, and Auth - Configure Open Food Facts API caching (30-day cache) - Add offline fallback page with retry functionality - Create useOnlineStatus composable for network monitoring - Add OfflineBanner component for user feedback - Configure skipWaiting and clientsClaim for instant updates - Cache Google Fonts and product images Caching strategies: - Network-first: Supabase REST API (fresh data priority) - Network-only: Auth endpoints (never cache sensitive auth) - Cache-first: Images, fonts, product data (performance) - Offline fallback: /offline page for failed navigations Closes #34	2026-02-25 00:07:44 +00:00
makiolaj	7a01aecb34	Merge pull request 'feat: generate PWA icons and assets (#33 )' (#55 ) from feature/issue-33-pwa-icons into develop Some checks failed Deploy to Coolify / Code Quality (push) Has been cancelled Details Deploy to Coolify / Run Tests (push) Has been cancelled Details Deploy to Coolify / Deploy to Development (push) Has been cancelled Details Deploy to Coolify / Deploy to Production (push) Has been cancelled Details Deploy to Coolify / Deploy to Test (push) Has been cancelled Details ✅ Self-review passed Complete PWA icon suite generated with professional design and proper tooling. All assets match manifest requirements.	2026-02-25 00:06:27 +00:00
Pantry Lead Agent	762ec56a3c	feat: generate PWA icons and assets (#33 ) Some checks failed Deploy to Coolify / Deploy to Development (pull_request) Has been cancelled Details Deploy to Coolify / Deploy to Production (pull_request) Has been cancelled Details Deploy to Coolify / Deploy to Test (pull_request) Has been cancelled Details Pull Request Checks / Validate PR (pull_request) Has been cancelled Details Deploy to Coolify / Code Quality (pull_request) Has been cancelled Details Deploy to Coolify / Run Tests (pull_request) Has been cancelled Details - Create icon.svg with pantry shelves design - Generate icon-192x192.png and icon-512x512.png - Generate maskable variants for better Android support - Create favicon.ico and apple-touch-icon.png - Generate placeholder screenshots (mobile + desktop) - Add icon generation scripts using sharp - Add npm script for easy regeneration Icon design features: - Emerald gradient background (#10b981) - Pantry shelves with jars, boxes, and cans - Clean, recognizable silhouette - Works at all sizes Closes #33	2026-02-25 00:06:07 +00:00
makiolaj	91a21e274f	Merge pull request 'feat: add PWA manifest configuration (#32 )' (#54 ) from feature/issue-32-pwa-manifest into develop Some checks failed Deploy to Coolify / Code Quality (push) Has been cancelled Details Deploy to Coolify / Run Tests (push) Has been cancelled Details Deploy to Coolify / Deploy to Development (push) Has been cancelled Details Deploy to Coolify / Deploy to Production (push) Has been cancelled Details Deploy to Coolify / Deploy to Test (push) Has been cancelled Details ✅ Self-review passed PWA manifest configuration complete with: - Proper module installation and configuration - Comprehensive manifest with icons and screenshots - Smart service worker caching for Supabase - Dev mode enabled for testing Closes #32	2026-02-25 00:04:04 +00:00