Sprint 14~22 — egui 리본 UI + OcctKernel B-rep + 가로보/신축이음 + 선형 좌표 + USD 익스포트 + WASM + CI/CD + 테스트 4층

Sprint 14: egui TopBottomPanel 리본 + CollapsingHeader SidePanel (상부구조·추가부재·선형·프로젝트)
Sprint 15: IncrementalDb 전 Feature 타입 확장 (girder→7종), dirty-tracking 20 unit tests
Sprint 16: Gitea + GitHub Actions CI/CD (check/test/clippy/fmt + 멀티플랫폼 릴리스)
Sprint 17: AlignmentTransform + AlignmentScene — 선형 국소 프레임 → 세계 좌표 변환
Sprint 18: OcctKernel 교각(16각형 기둥+코핑) + 교대(흉벽+푸팅+날개벽) B-rep
Sprint 19: CrossBeamIR + ExpansionJointIR — IR/DSL/kernel/scene 전 계층, sweep_profile_flat_x
Sprint 20: 테스트 4층 — Layer1 insta 스냅샷(7종), Layer2 기하 불변량(19), Layer3 두-커널(7), Layer4 proptest(7) — 61 tests pass
Sprint 21: cimery-usd PureRustKernel 실제 기하 변환 + BridgeExporter 증분 캐시
Sprint 22: viewer wasm feature + wasm-bindgen/web-sys + GitHub Actions Cloudflare Pages 배포

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

cimery/.github/workflows/release.yml

@@ -0,0 +1,96 @@
+# cimery — Release build workflow (ADR-003 A3)
+# Triggered by pushing a version tag: git tag v0.1.0 && git push --tags
+#
+# Builds:
+#   - Windows x64 binary (cimery-viewer.exe)
+#   - macOS arm64 binary (cimery-viewer)
+#   - Linux x64 binary   (cimery-viewer)
+#
+# Artifacts are uploaded to the GitHub Release.
+# Code signing: placeholder (Azure Trusted Signing — ADR-003 A3).
+
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    name: build (${{ matrix.target }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            artifact: cimery-viewer.exe
+            archive: cimery-viewer-windows-x64.zip
+          - os: macos-latest
+            target: aarch64-apple-darwin
+            artifact: cimery-viewer
+            archive: cimery-viewer-macos-arm64.tar.gz
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            artifact: cimery-viewer
+            archive: cimery-viewer-linux-x64.tar.gz
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Build release (PureRust — no OCCT for CI)
+        run: cargo build --release -p cimery-viewer --target ${{ matrix.target }}
+
+      - name: Package (Windows)
+        if: matrix.os == 'windows-latest'
+        shell: pwsh
+        run: |
+          $bin = "target/${{ matrix.target }}/release/${{ matrix.artifact }}"
+          Compress-Archive -Path $bin -DestinationPath ${{ matrix.archive }}
+
+      - name: Package (Unix)
+        if: matrix.os != 'windows-latest'
+        run: |
+          bin="target/${{ matrix.target }}/release/${{ matrix.artifact }}"
+          tar czf ${{ matrix.archive }} -C "$(dirname $bin)" "$(basename $bin)"
+
+      - name: Upload to Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: ${{ matrix.archive }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  # ── Nightly channel tag ────────────────────────────────────────────────────
+  # Tag convention: nightly/<date>, beta/v*, stable/v* (ADR-003 A3)
+  create-release-notes:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generate changelog since last tag
+        run: |
+          PREV=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
+          if [ -n "$PREV" ]; then
+            git log ${PREV}..HEAD --oneline > RELEASE_NOTES.md
+          else
+            git log --oneline > RELEASE_NOTES.md
+          fi
+      - name: Update Release Notes
+        uses: softprops/action-gh-release@v2
+        with:
+          body_path: RELEASE_NOTES.md
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}