auto-claude: subtask-2-3 - Create PhotoCaptureDialog component for photo confirmation

Add PhotoCaptureDialog widget component that:
- Shows captured photo preview with proper constraints
- Displays confirmation message using delivery name
- Provides Cancel and Upload action buttons
- Uses theme-aware styling with colorScheme
- Handles image loading errors gracefully
- Includes proper i18n support (EN/FR)

Added localization keys:
- confirmPhoto
- uploadPhotoConfirmation (with name placeholder)
- uploadingPhoto
- photoUploadSuccess
- photoUploadFailed
- cameraError
- uploadError
- serverError
- retake

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

lib/l10n/app_fr.arb

@@ -117,5 +117,34 @@
     }
   },
   "noNotesMessage": "Aucune note associée à cette livraison",
-  "close": "Fermer"
+  "close": "Fermer",
+  "confirmPhoto": "Confirmer la photo",
+  "uploadPhotoConfirmation": "Telecharger cette photo pour {name}?",
+  "@uploadPhotoConfirmation": {
+    "placeholders": {
+      "name": {"type": "String"}
+    }
+  },
+  "uploadingPhoto": "Telechargement de la photo...",
+  "photoUploadSuccess": "Photo telechargee avec succes",
+  "photoUploadFailed": "Echec du telechargement: {statusCode}",
+  "@photoUploadFailed": {
+    "placeholders": {
+      "statusCode": {"type": "int"}
+    }
+  },
+  "cameraError": "Erreur de camera: {message}",
+  "@cameraError": {
+    "placeholders": {
+      "message": {"type": "String"}
+    }
+  },
+  "uploadError": "Erreur de telechargement: {message}",
+  "@uploadError": {
+    "placeholders": {
+      "message": {"type": "String"}
+    }
+  },
+  "serverError": "Erreur serveur - Veuillez contacter le support",
+  "retake": "Reprendre"
 }