ci: fix vcpkg commit hash, add vcpkg.json manifest

- Use valid vcpkg commit hash (4b77da7)
- Add vcpkg.json for manifest-mode dependency management

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/windows.yml

@@ -14,14 +14,12 @@ jobs:
 
     env:
       VCPKG_DEFAULT_TRIPLET: x64-windows
-      # vcpkg Binary Caching → deutlich schnellere CI-Durchläufe
       VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      # vcpkg Binary Cache via GitHub Actions Cache
       - name: Export GitHub Actions cache vars
         uses: actions/github-script@v7
         with:
@@ -32,11 +30,10 @@ jobs:
       - name: Setup vcpkg
         uses: lukka/run-vcpkg@v11
         with:
-          vcpkgGitCommitId: '0a66b5fd01fc1515eb7a48c6dc5b1dcc1ce2f6bc'  # stable snapshot
+          vcpkgGitCommitId: '4b77da7fed37817f124936239197833469f1b9a8'
 
       - name: Install dependencies via vcpkg
-        run: |
-          vcpkg install opencv4:x64-windows libraw:x64-windows qt:x64-windows
+        run: vcpkg install --triplet x64-windows
         shell: pwsh
 
       - name: Configure CMake
@@ -53,17 +50,17 @@ jobs:
         run: cmake --build build --config Release --parallel
         shell: pwsh
 
-      - name: Install (collect EXE + DLLs)
+      - name: Install
         run: cmake --install build --prefix dist
         shell: pwsh
 
       - name: Deploy Qt DLLs (windeployqt)
         run: |
-          $qtBin = (Get-ChildItem "$env:VCPKG_ROOT/installed/x64-windows/tools/qt6/bin" -Filter "windeployqt*.exe" -ErrorAction SilentlyContinue | Select-Object -First 1)?.FullName
+          $qtBin = Get-ChildItem "$env:VCPKG_ROOT/installed/x64-windows/tools" -Recurse -Filter "windeployqt*.exe" -ErrorAction SilentlyContinue | Select-Object -First 1
           if ($qtBin) {
-            & $qtBin --release --no-translations dist/bin/negative-converter.exe
+            & $qtBin.FullName --release --no-translations dist/bin/negative-converter.exe
           } else {
-            Write-Warning "windeployqt not found, skipping Qt DLL deployment"
+            Write-Warning "windeployqt not found, skipping"
           }
         shell: pwsh
 
@@ -74,7 +71,6 @@ jobs:
           path: dist/
           if-no-files-found: error
 
-      # Nur bei Git-Tags: Release erstellen und ZIP anhängen
       - name: Create ZIP for release
         if: startsWith(github.ref, 'refs/tags/')
         run: Compress-Archive -Path dist/* -DestinationPath negative-converter-windows-x64.zip

vcpkg.json

@@ -0,0 +1,12 @@
+{
+  "name": "negative-converter",
+  "version": "0.1.0",
+  "dependencies": [
+    "opencv4",
+    "libraw",
+    {
+      "name": "qt",
+      "features": []
+    }
+  ]
+}