feat(app-update): add in-app update flow with auto-check and manual trigger

.github/workflows/release.yml

@@ -74,9 +74,53 @@ jobs:
             core.info(`OK: ${tagName} does not exist. Proceeding with release.`);
             core.setOutput('skip', 'false');
 
-  publish-tauri:
+  generate-notes:
+    name: Generate release notes
     needs: preflight
     if: needs.preflight.outputs.skip != 'true'
+    permissions:
+      contents: read
+    runs-on: ubuntu-latest
+    outputs:
+      notes: ${{ steps.notes.outputs.notes }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Generate release notes via GitHub API
+        id: notes
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const fs = require('fs');
+            const cfg = JSON.parse(fs.readFileSync('src-tauri/tauri.conf.json', 'utf8'));
+            const version = cfg.version;
+            const tag = `v${version}`;
+
+            const params = {
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              tag_name: tag,
+              target_commitish: 'main',
+            };
+
+            // Use previous release as baseline if available
+            try {
+              const { data: latest } = await github.rest.repos.getLatestRelease({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+              });
+              params.previous_tag_name = latest.tag_name;
+            } catch (e) {
+              core.info('No previous release found, generating full notes');
+            }
+
+            const { data } = await github.rest.repos.generateReleaseNotes(params);
+            core.setOutput('notes', data.body);
+
+  publish-tauri:
+    needs: [preflight, generate-notes]
+    if: needs.preflight.outputs.skip != 'true'
     permissions:
       contents: write
     strategy:
@@ -129,10 +173,9 @@ jobs:
         with:
           tagName: v__VERSION__
           releaseName: 'v__VERSION__'
-          releaseBody: 'See the assets to download this version and install.'
+          releaseBody: ${{ needs.generate-notes.outputs.notes }}
           releaseDraft: false
           prerelease: false
-          generateReleaseNotes: true
           includeUpdaterJson: true
           updaterJsonPreferNsis: true
           args: ${{ matrix.args }}