Use Docs Agent reusable maintain workflow

.github/workflows/docs-agent.yml

@@ -0,0 +1,75 @@
+name: Docs Agent
+
+on:
+  workflow_dispatch:
+    inputs:
+      prompt:
+        description: Optional additional instruction for Docs Agent.
+        required: false
+        default: Generate or update Agents API documentation from repository source. Open a documentation pull request only when changes are needed.
+      audience:
+        description: Documentation lane to maintain.
+        type: choice
+        required: true
+        options:
+          - technical
+          - user
+        default: technical
+      run_kind:
+        description: Docs Agent run kind.
+        type: choice
+        required: true
+        options:
+          - maintenance
+          - bootstrap
+        default: maintenance
+      openai_model:
+        description: OpenAI model to use for Docs Agent.
+        required: true
+        default: gpt-5.5
+      docs_agent_ref:
+        description: Automattic/docs-agent ref to use for the Docs Agent recipe.
+        required: true
+        default: main
+      base_ref:
+        description: Base branch or ref for documentation pull requests.
+        required: true
+        default: main
+      docs_branch:
+        description: Stable branch reused for the Docs Agent pull request.
+        required: true
+        default: docs-agent/docs-upkeep
+      writable_paths:
+        description: Comma-separated paths Docs Agent may edit.
+        required: true
+        default: README.md,docs/**
+
+permissions:
+  contents: write
+  pull-requests: write
+  issues: write
+
+jobs:
+  docs-agent:
+    name: Maintain Documentation
+    uses: Automattic/docs-agent/.github/workflows/maintain-docs.yml@main
+    with:
+      audience: ${{ inputs.audience }}
+      run_kind: ${{ inputs.run_kind }}
+      base_ref: ${{ inputs.base_ref }}
+      docs_branch: ${{ inputs.docs_branch }}
+      writable_paths: ${{ inputs.writable_paths }}
+      model: ${{ inputs.openai_model }}
+      docs_agent_ref: ${{ inputs.docs_agent_ref }}
+      verification_commands: |
+        [
+          "php tests/no-product-imports-smoke.php"
+        ]
+      prompt: |
+        ${{ inputs.prompt }}
+
+        Target repository: Automattic/agents-api
+        Workflow run: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+
+        Preserve the Agents API product-neutral boundary. Use Agents API as the product name in production and package documentation. Keep generated documentation focused on the public API substrate, repository source, developer contracts, setup, tests, and contributor workflows for the selected audience.
+    secrets: inherit