Add GitHub Pages workflow and microsite configuration

docToolchain generateSite builds all 5 reports as HTML microsite.
Deploys to https://llm-coding.github.io/brownfield-experiment
Menu: Report, Direct (1a), Socratic (1c), Two-Phase, Fair Comparison.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: rdmueller

.github/workflows/gh-pages.yml

@@ -0,0 +1,54 @@
+name: GitHub Pages
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch: {}
+
+permissions: {}
+
+concurrency:
+  group: pages-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    env:
+      DTC_HEADLESS: true
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - name: Setup dtcw
+        run: chmod +x dtcw
+
+      - name: Generate Site
+        run: ./dtcw generateSite
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./build/microsite/output
+
+  deploy:
+    if: github.ref == 'refs/heads/main'
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

docToolchainConfig.groovy

@@ -3,5 +3,24 @@ outputPath = 'build'
 inputPath = 'src/docs'
 
 inputFiles = [
-    [file: 'report.adoc', formats: ['html']],
+    [file: 'report.adoc',                      formats: ['html']],
+    [file: 'experiment-1a-direct.adoc',         formats: ['html']],
+    [file: 'experiment-1c-socratic.adoc',       formats: ['html']],
+    [file: 'experiment-2-twophase.adoc',        formats: ['html']],
+    [file: 'experiment-fair-comparison.adoc',    formats: ['html']],
 ]
+
+imageDirs = ['images/.']
+
+microsite = [:]
+
+microsite.with {
+    contextPath = '/'
+    host = 'https://llm-coding.github.io/brownfield-experiment'
+    title = 'Brownfield Experiment'
+    footerGithub = 'https://github.com/LLM-Coding/brownfield-experiment'
+    footerText = '<small class="text-white">built with <a href="https://doctoolchain.org">docToolchain</a></small>'
+    issueUrl = 'https://github.com/LLM-Coding/brownfield-experiment/issues/new'
+    gitRepoUrl = 'https://github.com/LLM-Coding/brownfield-experiment/edit/main/src/docs'
+    menu = ['report':'Report', 'experiment-1a-direct':'Direct (1a)', 'experiment-1c-socratic':'Socratic (1c)', 'experiment-2-twophase':'Two-Phase', 'experiment-fair-comparison':'Fair Comparison']
+}