ci: produce release distribution artifact as .dmg file

.gitea/workflows/build.yml

@@ -111,19 +111,23 @@ jobs:
           codesign --force --deep --sign - "$APP"
           codesign --verify --verbose "$APP"
 
-      - name: Create Distribution Archive
+      - name: Create Distribution Disk Image (.dmg)
         run: |
           APP="$PWD/DerivedData/Build/Products/Release/MacMonitor.app"
-          cd "$(dirname "$APP")"
-          ditto -c -k --sequesterRsrc --keepParent "MacMonitor.app" "$GITHUB_WORKSPACE/MacMonitor-intel-x86_64.zip"
-          ls -lh "$GITHUB_WORKSPACE/MacMonitor-intel-x86_64.zip"
+          DMG_STAGING="$(mktemp -d)/staging"
+          mkdir -p "$DMG_STAGING"
+          cp -R "$APP" "$DMG_STAGING/"
+          ln -s /Applications "$DMG_STAGING/Applications"
+          hdiutil create -volname "MacMonitor" -srcfolder "$DMG_STAGING" -ov -format UDZO "$GITHUB_WORKSPACE/MacMonitor-intel-x86_64.dmg"
+          rm -rf "$(dirname "$DMG_STAGING")"
+          ls -lh "$GITHUB_WORKSPACE/MacMonitor-intel-x86_64.dmg"
 
       - name: Upload Workflow Artifact
         uses: actions/upload-artifact@v4
         continue-on-error: true
         with:
           name: MacMonitor-intel-x86_64
-          path: MacMonitor-intel-x86_64.zip
+          path: MacMonitor-intel-x86_64.dmg
 
       - name: Create Gitea Release & Attach Artifact
         run: |
@@ -147,7 +151,7 @@ jobs:
             echo "ERROR: could not resolve release ID for $TAG"; exit 1
           fi
 
-          curl -sS -X POST "$API/releases/$RELEASE_ID/assets?name=MacMonitor-intel-x86_64.zip" \
-            -H "$AUTH" -H "Content-Type: application/zip" \
-            --data-binary @"$GITHUB_WORKSPACE/MacMonitor-intel-x86_64.zip" \
+          curl -sS -X POST "$API/releases/$RELEASE_ID/assets?name=MacMonitor-intel-x86_64.dmg" \
+            -H "$AUTH" -H "Content-Type: application/x-apple-diskimage" \
+            --data-binary @"$GITHUB_WORKSPACE/MacMonitor-intel-x86_64.dmg" \
             -o /tmp/asset.json -w "attach_asset_http=%{http_code}\n"

BUILD-PLAN.md

@@ -203,7 +203,7 @@ graph TD
 - **Goal:** Proactive health alerts, macOS Notification Center integration, end-to-end regression validation, and release packaging.
 - **Execution Order:**
   1. `#24` Threshold Alerts & Notification Center (`feat/24-threshold-alerts` - Depends on #3, #4, #8, #9)
-  2. Full end-to-end integration testing and automated release archiving (`MacMonitor-intel-x86_64.zip`) on tagged commit.
+  2. Full end-to-end integration testing and automated release archiving (`MacMonitor-intel-x86_64.dmg`) on tagged commit.
 - **Quality Gate M5:** Zero crashes, all unit test suites passing on Intel macOS runner, DMG/ZIP distribution artifact ready.
 
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