diff --git a/.changeset/fix-windows-staging-path.md b/.changeset/fix-windows-staging-path.md
new file mode 100644
index 0000000..e634730
--- /dev/null
+++ b/.changeset/fix-windows-staging-path.md
@@ -0,0 +1,5 @@
+---
+'@systemfsoftware/claude-code-comment-checker': patch
+---
+
+Fix Windows artifact upload path and execute full release pipeline.
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 707a5e0..be5c632 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -106,24 +106,24 @@ jobs:
         run: ./scripts/tools/run-binary-smoke.ts --target ${{ matrix.target }} --bin-dir target/${{ matrix.target }}/release
 
       - name: Stage platform package
-        run: ./scripts/tools/stage-platform-package.ts --target ${{ matrix.target }} --suffix ${{ matrix.suffix }} --stage ${{ runner.temp }}/platform-${{ matrix.suffix }} --bin-dir target/${{ matrix.target }}/release
+        run: ./scripts/tools/stage-platform-package.ts --target ${{ matrix.target }} --suffix ${{ matrix.suffix }} --stage dist/staging/platform-${{ matrix.suffix }} --bin-dir target/${{ matrix.target }}/release
 
       - name: Bundle tarball
-        run: ./scripts/tools/bundle-release-tarball.ts --target ${{ matrix.target }} --bin-dir target/${{ matrix.target }}/release --out-dir ${{ runner.temp }}/release-tarball-${{ matrix.suffix }}
+        run: ./scripts/tools/bundle-release-tarball.ts --target ${{ matrix.target }} --bin-dir target/${{ matrix.target }}/release --out-dir dist/release-tarball-${{ matrix.suffix }}
 
       - name: Upload artifacts
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: release-${{ matrix.suffix }}
           path: |
-            ${{ runner.temp }}/release-tarball-${{ matrix.suffix }}/comment-checker-${{ matrix.target }}.tar.gz
-            ${{ runner.temp }}/platform-${{ matrix.suffix }}/binarySha256
+            dist/release-tarball-${{ matrix.suffix }}/comment-checker-${{ matrix.target }}.tar.gz
+            dist/staging/platform-${{ matrix.suffix }}/binarySha256
 
       - name: Upload staged platform package
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: platform-stage-${{ matrix.suffix }}
-          path: ${{ runner.temp }}/platform-${{ matrix.suffix }}
+          path: dist/staging/platform-${{ matrix.suffix }}
           if-no-files-found: error
 
   publish:
diff --git a/scripts/tools/bundle-release-tarball.ts b/scripts/tools/bundle-release-tarball.ts
index 7e59219..d818a8b 100755
--- a/scripts/tools/bundle-release-tarball.ts
+++ b/scripts/tools/bundle-release-tarball.ts
@@ -1,7 +1,7 @@
 #!/usr/bin/env -S deno run --allow-run=tar --allow-read --allow-write --allow-env
 
 import { parseArgs } from '@std/cli/parse-args'
-import { join } from '@std/path'
+import { join, resolve } from '@std/path'
 import { type Target, TARGETS_PATH } from '../lib/shared.ts'
 
 const flags = parseArgs(Deno.args, {
@@ -27,7 +27,9 @@ if (!row) {
 }
 
 await Deno.mkdir(outDir, { recursive: true })
-const tarPath = join(outDir, `comment-checker-${targetName}.tar.gz`)
+// tar runs with cwd=binDir, so the archive path must be absolute: a relative
+// one would resolve against binDir instead of the invocation directory.
+const tarPath = join(resolve(outDir), `comment-checker-${targetName}.tar.gz`)
 
 const tarCmd = new Deno.Command('tar', {
   args: ['-czf', tarPath, row.bin],