Fix: use cross-compilation for all targets from single runner

Bun supports cross-compilation, so we build all 4 targets
(darwin-arm64, darwin-x64, linux-x64, win32-x64) from a single
Ubuntu runner. This avoids the retired macos-13 runner issue.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: backnotprop

.github/workflows/release.yml

@@ -10,23 +10,7 @@ permissions:
 
 jobs:
   build:
-    strategy:
-      matrix:
-        include:
-          - os: macos-latest
-            target: darwin-arm64
-            bun-target: bun-darwin-arm64
-          - os: macos-13
-            target: darwin-x64
-            bun-target: bun-darwin-x64
-          - os: ubuntu-latest
-            target: linux-x64
-            bun-target: bun-linux-x64
-          - os: windows-latest
-            target: win32-x64
-            bun-target: bun-windows-x64
-
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
@@ -41,25 +25,31 @@ jobs:
       - name: Build UI
         run: bun run build:hook
 
-      - name: Compile binary
-        shell: bash
+      - name: Compile binaries (cross-compile all targets)
         run: |
-          if [ "${{ matrix.os }}" == "windows-latest" ]; then
-            bun build apps/hook/server/index.ts --compile --target=${{ matrix.bun-target }} --outfile plannotator.exe
-            mv plannotator.exe plannotator-${{ matrix.target }}.exe
-            sha256sum plannotator-${{ matrix.target }}.exe > plannotator-${{ matrix.target }}.exe.sha256
-          else
-            bun build apps/hook/server/index.ts --compile --target=${{ matrix.bun-target }} --outfile plannotator
-            mv plannotator plannotator-${{ matrix.target }}
-            chmod +x plannotator-${{ matrix.target }}
-            shasum -a 256 plannotator-${{ matrix.target }} > plannotator-${{ matrix.target }}.sha256 || sha256sum plannotator-${{ matrix.target }} > plannotator-${{ matrix.target }}.sha256
-          fi
-
-      - name: Upload artifact
+          # macOS ARM64
+          bun build apps/hook/server/index.ts --compile --target=bun-darwin-arm64 --outfile plannotator-darwin-arm64
+          sha256sum plannotator-darwin-arm64 > plannotator-darwin-arm64.sha256
+
+          # macOS x64
+          bun build apps/hook/server/index.ts --compile --target=bun-darwin-x64 --outfile plannotator-darwin-x64
+          sha256sum plannotator-darwin-x64 > plannotator-darwin-x64.sha256
+
+          # Linux x64
+          bun build apps/hook/server/index.ts --compile --target=bun-linux-x64 --outfile plannotator-linux-x64
+          sha256sum plannotator-linux-x64 > plannotator-linux-x64.sha256
+
+          # Windows x64
+          bun build apps/hook/server/index.ts --compile --target=bun-windows-x64 --outfile plannotator-win32-x64.exe
+          sha256sum plannotator-win32-x64.exe > plannotator-win32-x64.exe.sha256
+
+      - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: ${{ matrix.target }}
-          path: plannotator-${{ matrix.target }}*
+          name: binaries
+          path: |
+            plannotator-*
+            !*.ts
 
   release:
     needs: build
@@ -70,11 +60,11 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Download all artifacts
+      - name: Download artifacts
         uses: actions/download-artifact@v4
         with:
+          name: binaries
           path: artifacts
-          merge-multiple: true
 
       - name: List artifacts
         run: ls -la artifacts/