fix: exclude vendored gems from jekyll

Author: mschwar

.github/workflows/validate.yml

@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.12"
 

.gitignore

@@ -4,3 +4,4 @@ _site/
 Gemfile.lock
 __pycache__/
 *.pyc
+vendor/

CURRENT_STATE.md

@@ -13,6 +13,8 @@ This repository is a small GitHub Pages static site that publishes a single oral
 - A committed `Gemfile` and `.ruby-version` pin the GitHub Pages toolchain for local builds.
 - `Figure2-Teeth_v4.1.pdf` and `scripts/render_heatmap.py` provide a reproducible source-to-raster path for `oral-health-heatmap.png`.
 - `scripts/check_homepage.py` provides a non-UI smoke test for the rendered homepage.
+- The Jekyll config excludes `vendor/`, so the bundled gem tree is kept out of the public site build.
+- The validate workflow uses Node 24-compatible `actions/checkout@v6` and `actions/setup-python@v6`.
 - A repo-local validation command now checks required files, local links, key config values, and tracked OS junk.
 - The live GitHub Pages deployment returned HTTP 200 and served the expected page content in this session.
 

_config.yml

@@ -10,3 +10,4 @@ exclude:
   - README.CRAWL.md
   - docs/
   - scripts/
+  - vendor/

scripts/validate_repo.py

@@ -85,6 +85,7 @@ def check_config(errors: list[str]) -> None:
         "README.CRAWL.md",
         "docs/",
         "scripts/",
+        "vendor/",
     ]:
         if entry not in config:
             errors.append(f"_config.yml should exclude repo-only artifact `{entry}` from the public site.")