refactor(WorkerDashboardView): 移除QR图片上传功能

- 删除QR图片上传按钮

src/views/WorkerDashboardView.vue

@@ -32,13 +32,13 @@
           <span>📷</span>
           <span>Scan to Clock {{ isClockedIn ? 'Out' : 'In' }}</span>
         </button>
-        <button
+        <!-- <button
           @click="triggerFileUpload"
           class="w-full py-4 text-xl flex items-center justify-center gap-3 bg-gray-200 dark:bg-gray-700 hover:bg-gray-300 dark:hover:bg-gray-600 text-gray-800 dark:text-white font-semibold rounded-md transition-colors duration-200"
         >
           <span>📁</span>
           <span>Upload QR Image</span>
-        </button>
+        </button> -->
         <input ref="fileInput" type="file" accept="image/*" @change="handleFileUpload" hidden />
       </div>
     </div>
@@ -166,8 +166,8 @@ const startScanner = () => {
       html5QrCode = new Html5Qrcode('qr-reader')
       const config = { fps: 10, qrbox: { width: 250, height: 250 } }
       html5QrCode.start({ facingMode: 'environment' }, config, onScanSuccess, onScanFailure)
-    } catch (err) {
-      errorMessage.value = `Unable to start camera. Try uploading an image instead. Error: ${err.message}`
+    } catch {
+      errorMessage.value = `Unable to start camera. `
       isScannerActive.value = false
     }
   }, 300)
@@ -179,7 +179,7 @@ const stopScanner = () => {
   }
   isScannerActive.value = false
 }
-const triggerFileUpload = () => fileInput.value.click()
+// const triggerFileUpload = () => fileInput.value.click()
 const handleFileUpload = (event) => {
   const file = event.target.files[0]
   if (!file) return
@@ -190,8 +190,8 @@ const handleFileUpload = (event) => {
   html5QrCode
     .scanFile(file, true)
     .then(onScanSuccess)
-    .catch((err) => {
-      onScanFailure(`Error scanning file: ${err}`)
+    .catch(() => {
+      onScanFailure(`Try Again`)
     })
 }
 const onScanSuccess = (decodedText) => {
@@ -207,8 +207,8 @@ const onScanSuccess = (decodedText) => {
       (errorMessage.value = `Unable to retrieve your location: ${geoError.message}. Please enable location services.`),
   )
 }
-const onScanFailure = (message = 'Could not detect a QR code. Please try again.') => {
-  errorMessage.value = message
+const onScanFailure = () => {
+  errorMessage.value = 'Could not detect a QR code. Please try again.'
 }
 </script>