ci: remove detect-changes job

Replace detect-changes dependency with optimize-ci directly. The
paths-filter was not working reliably and the workflow-level
paths-ignore already handles markdown exclusion for push events.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Boshen

.github/workflows/ci.yml

@@ -34,27 +34,9 @@ jobs:
         with:
           graphite_token: ${{ secrets.GRAPHITE_CI_OPTIMIZER_TOKEN }}
 
-  detect-changes:
-    runs-on: ubuntu-latest
+  download-previous-rolldown-binaries:
     needs: optimize-ci
     if: needs.optimize-ci.outputs.skip == 'false'
-    permissions:
-      contents: read
-      pull-requests: read
-    outputs:
-      code-changed: ${{ steps.filter.outputs.code }}
-    steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
-      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
-        id: filter
-        with:
-          filters: |
-            code:
-              - '**'
-
-  download-previous-rolldown-binaries:
-    needs: detect-changes
-    if: needs.detect-changes.outputs.code-changed == 'true'
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -65,9 +47,9 @@ jobs:
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
   test:
-    needs: detect-changes
+    needs: optimize-ci
     if: |
-      needs.detect-changes.outputs.code-changed == 'true' && (
+      needs.optimize-ci.outputs.skip == 'false' && (
         matrix.os == 'ubuntu-latest' ||
         github.event_name != 'pull_request' ||
         contains(github.event.pull_request.labels.*.name, 'ci: full')
@@ -116,8 +98,8 @@ jobs:
       - run: cargo test $(for d in crates/*/; do echo -n "-p $(basename $d) "; done) -p vite-plus-cli
 
   lint:
-    needs: detect-changes
-    if: needs.detect-changes.outputs.code-changed == 'true'
+    needs: optimize-ci
+    if: needs.optimize-ci.outputs.skip == 'false'
     name: Lint
     runs-on: ubuntu-latest
     steps: