feat: add pull-request check with check-docs action

.github/workflows/check-docs.yml

@@ -0,0 +1,37 @@
+name: Check docs
+
+# Runs the knowledge base contract checks on every pull request, so a problem
+# that would make the release-time publish fail shows up here first.
+#
+# The same checker publish-docs runs, but nothing is packed or released.
+# Errors fail the check. Warnings are annotated on the run and listed in the
+# job summary; add `strict: true` below to fail on warnings as well.
+#
+# This repo is the template other docs repos copy. Keep this file minimal:
+# checkout, setup-python, the same build as pack.yml, one `uses:`.
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  check:
+    name: Build headless + check against the knowledge base contract
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Build (headless)
+        run: python scripts/pack.py --headless
+
+      - uses: AbsaOSS/knowledge-base/actions/check-docs@v1
+        with:
+          manifest: kb-docs.json
+          dist: dist

CLAUDE.md

@@ -97,4 +97,5 @@ section: Optional Section Name
 
 - Normative spec: `contract/ARTIFACT.md`, `contract/HEADLESS_RULES.md`, `contract/kb-docs.schema.json` in AbsaOSS/knowledge-base
 - Publishing: `.github/workflows/pack.yml` runs on `release: published` (checkout → setup-python → `pack.py --headless` → `actions/publish-docs@v1`). Keep it minimal — this repo is the template other docs repos copy
+- PR check: `.github/workflows/check-docs.yml` runs on `pull_request` with the same build, then `actions/check-docs@v1` (same contract checks, no release; errors fail, warnings annotated, `strict` off). Preview locally: `node ../knowledge-base/actions/lib/check-cli.js --manifest kb-docs.json --dist dist`
 - Registry entry in the knowledge base is just `{ "repo": "AbsaOSS/knowledge-base-docs-example", "version": "latest" }`; all display metadata lives in `kb-docs.json` here

README.md

@@ -16,6 +16,7 @@ Built with [MkDocs](https://www.mkdocs.org/) — no Node.js required.
 | `kb-docs.json` | Knowledge base manifest (contract v1) |
 | `scripts/` | Build scripts (`pack.py`, `pack.sh`) |
 | `.github/workflows/pack.yml` | Publishes `kb-docs.tar.gz` to the knowledge base on every GitHub Release |
+| `.github/workflows/check-docs.yml` | Runs the same contract checks on every pull request |
 
 ## Quick start
 
@@ -73,6 +74,10 @@ to `AbsaOSS/knowledge-base/actions/publish-docs`, which validates them against t
 contract, packs `kb-docs.tar.gz` and attaches it to the release. The knowledge base
 fetches this artifact automatically.
 
+The `Check docs` workflow runs the same checks on every pull request
+(`AbsaOSS/knowledge-base/actions/check-docs`), without releasing anything. Errors fail
+the pull request; warnings are annotated and listed in the job summary.
+
 ## Registering in the knowledge base
 
 Add a two-line entry to `apps.json` in the knowledge base repo: