docs: Add manual batch mode trigger for ADK Pull Request Triaging workflow

Co-authored-by: Xuan Yang <xygoogle@google.com>
PiperOrigin-RevId: 936929363

Author: xuanyang15

.github/workflows/pr-triage.yml

@@ -15,26 +15,24 @@
 name: ADK Pull Request Triaging Agent
 
 on:
-  pull_request_target:
-    types: [opened, reopened, edited]
   schedule:
     # Run every 6 hours
     - cron: '0 */6 * * *'
   workflow_dispatch:
     inputs:
       pr_number:
-        description: 'The Pull Request number to triage'
-        required: true
+        description: 'The Pull Request number to triage (leave empty for batch mode)'
+        required: false
+        type: 'string'
+      pr_count:
+        description: 'Number of PRs to process in batch mode (default: 10)'
+        required: false
+        default: '10'
         type: 'string'
 
 jobs:
   agent-triage-pull-request:
-    if: >-
-      github.event_name == 'schedule' ||
-      github.event_name == 'workflow_dispatch' || (
-        github.event.pull_request.head.repo.full_name == github.repository &&
-        !contains(github.event.pull_request.labels.*.name, 'google-contributor')
-      )
+    if: github.repository == 'google/adk-python'
     runs-on: ubuntu-latest
     permissions:
       pull-requests: write
@@ -62,6 +60,7 @@ jobs:
           OWNER: 'google'
           REPO: 'adk-python'
           PULL_REQUEST_NUMBER: ${{ github.event.pull_request.number || github.event.inputs.pr_number || '' }}
+          PR_COUNT_TO_PROCESS: ${{ github.event.inputs.pr_count || '10' }}
           INTERACTIVE: ${{ vars.PR_TRIAGE_INTERACTIVE }}
           PYTHONPATH: contributing/samples/adk_team
         run: python -m adk_pr_triaging_agent.main

contributing/samples/adk_team/adk_pr_triaging_agent/main.py

@@ -18,6 +18,7 @@
 
 from adk_pr_triaging_agent import agent
 from adk_pr_triaging_agent.settings import OWNER
+from adk_pr_triaging_agent.settings import PR_COUNT_TO_PROCESS
 from adk_pr_triaging_agent.settings import PULL_REQUEST_NUMBER
 from adk_pr_triaging_agent.settings import REPO
 from adk_pr_triaging_agent.utils import call_agent_async
@@ -44,10 +45,14 @@ async def main():
   if pr_number:
     prompt = f"Please triage pull request #{pr_number}!"
   else:
-    print("No pull request number received. Operating in batch mode.")
+    pr_count = parse_number_string(PR_COUNT_TO_PROCESS, default_value=10)
+    print(
+        "No pull request number received. Operating in batch mode (limit:"
+        f" {pr_count})."
+    )
     prompt = (
-        "Please use 'list_untriaged_pull_requests' to find 10 pull requests"
-        " that need triaging, then triage each one according to your"
+        f"Please use 'list_untriaged_pull_requests' to find {pr_count} pull"
+        " requests that need triaging, then triage each one according to your"
         " instructions."
     )
 

contributing/samples/adk_team/adk_pr_triaging_agent/settings.py

@@ -28,5 +28,6 @@
 OWNER = os.getenv("OWNER", "google")
 REPO = os.getenv("REPO", "adk-python")
 PULL_REQUEST_NUMBER = os.getenv("PULL_REQUEST_NUMBER")
+PR_COUNT_TO_PROCESS = os.getenv("PR_COUNT_TO_PROCESS", "10")
 
 IS_INTERACTIVE = os.environ.get("INTERACTIVE", "1").lower() in ["true", "1"]