fix(release): defer Linux artifact from 0.4.0 stable

.github/workflows/release-stable.yml

@@ -297,6 +297,10 @@ jobs:
   build_linux:
     name: Build stable linux x64
     needs: [metadata, verify]
+    # Linux AppImage packaging is temporarily excluded from stable releases.
+    # Keep the job definition in place so the Linux lane can be re-enabled once
+    # the containerized pnpm bootstrap is fixed and reviewed.
+    if: ${{ false }}
     runs-on: ubuntu-latest
     env:
       GH_TOKEN: ${{ github.token }}
@@ -372,7 +376,6 @@ jobs:
       - verify
       - build_mac
       - build_win
-      - build_linux
     runs-on: ubuntu-latest
     env:
       GH_TOKEN: ${{ github.token }}
@@ -406,12 +409,6 @@ jobs:
           name: open-design-stable-win-release-assets
           path: ${{ runner.temp }}/release-assets/win
 
-      - name: Download linux release bundle
-        uses: actions/download-artifact@v8
-        with:
-          name: open-design-stable-linux-release-assets
-          path: ${{ runner.temp }}/release-assets/linux
-
       - name: Write release notes shell
         id: notes
         run: |
@@ -428,7 +425,7 @@ jobs:
 
           See [CHANGELOG.md](https://github.com/${GITHUB_REPOSITORY}/blob/${{ needs.metadata.outputs.version_tag }}/CHANGELOG.md) for the full release notes.
 
-          This stable release ships mac arm64 DMG/update ZIP, Windows x64 NSIS installer assets, Linux x64 AppImage (no auto-update yet), checksums, and updater feed files.
+          This stable release ships mac arm64 DMG/update ZIP, Windows x64 NSIS installer assets, checksums, and updater feed files. Linux AppImage packaging is temporarily deferred from the stable release lane.
           EOF
           echo "notes_file=$notes_file" >> "$GITHUB_OUTPUT"
 
@@ -452,7 +449,6 @@ jobs:
           mkdir -p "$all_release_dir"
           cp "$RUNNER_TEMP/release-assets/mac"/* "$all_release_dir/"
           cp "$RUNNER_TEMP/release-assets/win"/* "$all_release_dir/"
-          cp "$RUNNER_TEMP/release-assets/linux"/* "$all_release_dir/"
           gh release upload "${{ needs.metadata.outputs.version_tag }}" "$all_release_dir"/*
 
       - name: Promote draft to published latest
@@ -482,6 +478,6 @@ jobs:
             echo "- windows signed: false"
             echo "- mac assets: open-design-${{ needs.metadata.outputs.stable_version }}-mac-arm64.dmg, open-design-${{ needs.metadata.outputs.stable_version }}-mac-arm64.zip"
             echo "- win assets: open-design-${{ needs.metadata.outputs.stable_version }}-win-x64-setup.exe, open-design-${{ needs.metadata.outputs.stable_version }}-win-x64-setup.exe.blockmap"
-            echo "- linux assets: open-design-${{ needs.metadata.outputs.stable_version }}-linux-x64.AppImage"
-            echo "- Feeds: latest-mac.yml, latest.yml (no latest-linux.yml; AppImage updater not yet wired)"
+            echo "- linux assets: deferred from this stable release"
+            echo "- Feeds: latest-mac.yml, latest.yml"
           } >> "$GITHUB_STEP_SUMMARY"

CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.4.0] - 2026-05-05
 
-A multi-platform, multi-protocol leap: Open Design now ships as an MCP server, lands on Linux desktops, ships Critique Theater (Design Jury) Phase 4, gains live-reload + Tweaks mode + live artifacts in the preview pane, and adds five new agent / runtime adapters. 71 merged PRs from 40+ contributors over two days.
+A multi-protocol leap: Open Design now ships as an MCP server, ships Critique Theater (Design Jury) Phase 4, gains live-reload + Tweaks mode + live artifacts in the preview pane, and adds five new agent / runtime adapters. 71 merged PRs from 40+ contributors over two days. Linux AppImage packaging landed in tooling, but the stable Linux artifact is deferred from 0.4.0 while containerized release packaging is hardened.
 
 ### Added
 
@@ -30,7 +30,7 @@ A multi-platform, multi-protocol leap: Open Design now ships as an MCP server, l
 - **Live artifacts and Composio connector catalog.** ([#381])
 
 #### Packaging & deployment
-- **Linux x64 AppImage** in `tools-pack` and the release workflows. ([#369])
+- **Linux x64 AppImage tooling** in `tools-pack`; stable release artifact deferred from 0.4.0 while the containerized packaging lane is hardened. ([#369])
 - Optimize packaged mac artifact size. ([#424])
 
 #### Daemon