[ci] allow manual label to trigger ci in rust, change ci order (#14016)

.github/workflows/pr-test-rust.yml

@@ -7,6 +7,7 @@ on:
       - "sgl-router/**"
   pull_request:
     branches: [ main ]
+    types: [opened, synchronize, reopened, labeled]
     paths:
       - "sgl-router/**"
   workflow_dispatch:
@@ -21,7 +22,10 @@ env:
 
 jobs:
   maturin-build-test:
-    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'run-ci')
+    if: |
+      github.event_name != 'pull_request' ||
+      (github.event.action != 'labeled' && contains(github.event.pull_request.labels.*.name, 'run-ci')) ||
+      (github.event.action == 'labeled' && github.event.label.name == 'run-ci')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -71,7 +75,10 @@ jobs:
           python -c "from sglang_router.sglang_router_rs import Router; print('Rust extension: OK')"
           python -m sglang_router.launch_router --help > /dev/null && echo "Entry point: OK"
   router-unit-tests:
-    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'run-ci')
+    if: |
+      github.event_name != 'pull_request' ||
+      (github.event.action != 'labeled' && contains(github.event.pull_request.labels.*.name, 'run-ci')) ||
+      (github.event.action == 'labeled' && github.event.label.name == 'run-ci')
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
@@ -134,7 +141,10 @@ jobs:
         run: sccache --show-stats
 
   router-http-tests:
-    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'run-ci')
+    if: |
+      github.event_name != 'pull_request' ||
+      (github.event.action != 'labeled' && contains(github.event.pull_request.labels.*.name, 'run-ci')) ||
+      (github.event.action == 'labeled' && github.event.label.name == 'run-ci')
     runs-on: 4-gpu-a10
     timeout-minutes: 32
     steps:
@@ -203,7 +213,10 @@ jobs:
           path: sgl-router/benchmark_**/
 
   router-grpc-response-api-tests:
-    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'run-ci')
+    if: |
+      github.event_name != 'pull_request' ||
+      (github.event.action != 'labeled' && contains(github.event.pull_request.labels.*.name, 'run-ci')) ||
+      (github.event.action == 'labeled' && github.event.label.name == 'run-ci')
     runs-on: 4-gpu-a10
     timeout-minutes: 32
     steps: