diff --git a/.github/wiki b/.github/wiki
index 005922a42..9c578a579 160000
--- a/.github/wiki
+++ b/.github/wiki
@@ -1 +1 @@
-Subproject commit 005922a42075e4fb639cde3ec51c525f5ab55fd1
+Subproject commit 9c578a579fa0a6b6daa0165acef3b7f69957412e
diff --git a/.github/workflows/reports.yml b/.github/workflows/reports.yml
index 050d8ab0a..53c18a8f2 100644
--- a/.github/workflows/reports.yml
+++ b/.github/workflows/reports.yml
@@ -194,12 +194,56 @@ jobs:
                   /coverage/|Preview coverage report
                   /metrics/|Preview metrics report
 
+    validate_main_reports_html:
+        if: (github.event_name == 'push' || github.event_name == 'workflow_dispatch') && !(github.event_name == 'workflow_dispatch' && inputs.cleanup-previews)
+        name: Validate Main Reports HTML
+        needs: verify_main_reports
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout published reports
+              uses: actions/checkout@v6
+              with:
+                ref: gh-pages
+                path: gh-pages
+
+            - name: Exclude pull request previews from main validation
+              run: rm -rf gh-pages/previews
+
+            - name: Validate published main reports HTML
+              uses: anishathalye/proof-html@v2
+              with:
+                directory: ./gh-pages
+                disable_external: true
+                check_external_hash: false
+
+    validate_preview_reports_html:
+        if: github.event_name == 'pull_request' && github.event.action != 'closed'
+        name: Validate Pull Request Reports HTML
+        needs: verify_preview_reports
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout published reports
+              uses: actions/checkout@v6
+              with:
+                ref: gh-pages
+                path: gh-pages
+
+            - name: Validate published preview reports HTML
+              uses: anishathalye/proof-html@v2
+              with:
+                directory: ./gh-pages/previews/pr-${{ github.event.pull_request.number }}
+                disable_external: true
+                check_external_hash: false
+
     comment_preview:
         if: github.event_name == 'pull_request' && github.event.action != 'closed'
         name: Comment Pull Request Preview URLs
         needs:
             - reports
             - verify_preview_reports
+            - validate_preview_reports_html
         runs-on: ubuntu-latest
         permissions:
             pull-requests: write
@@ -299,6 +343,8 @@ jobs:
             - reports
             - verify_main_reports
             - verify_preview_reports
+            - validate_main_reports_html
+            - validate_preview_reports_html
             - cleanup_preview
             - cleanup_orphaned_previews
         runs-on: ubuntu-latest
@@ -325,7 +371,9 @@ jobs:
                   echo "- PHP version source: \`${{ needs.resolve_php.outputs.php-version-source }}\`"
                   echo "- Reports job result: \`${{ needs.reports.result }}\`"
                   echo "- Main verification result: \`${{ needs.verify_main_reports.result }}\`"
+                  echo "- Main HTML validation result: \`${{ needs.validate_main_reports_html.result }}\`"
                   echo "- Preview verification result: \`${{ needs.verify_preview_reports.result }}\`"
+                  echo "- Preview HTML validation result: \`${{ needs.validate_preview_reports_html.result }}\`"
                   echo "- Closed-preview cleanup result: \`${{ needs.cleanup_preview.result }}\`"
                   echo "- Orphan cleanup result: \`${{ needs.cleanup_orphaned_previews.result }}\`"
                   echo "- Trigger: \`${TRIGGER_LABEL}\`"
@@ -335,6 +383,7 @@ jobs:
                     echo "- Coverage: https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/coverage/"
                     echo "- Metrics: https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/metrics/"
                     echo "- Deployment verification: \`${{ needs.verify_main_reports.result }}\`"
+                    echo "- HTML validation: \`${{ needs.validate_main_reports_html.result }}\`"
                   fi
 
                   if [ "${{ github.event_name }}" = "pull_request" ] && [ "${{ github.event.action }}" != "closed" ]; then
@@ -342,6 +391,7 @@ jobs:
                     echo "- Preview coverage: https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/previews/pr-${{ github.event.pull_request.number }}/coverage/"
                     echo "- Preview metrics: https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/previews/pr-${{ github.event.pull_request.number }}/metrics/"
                     echo "- Preview verification: \`${{ needs.verify_preview_reports.result }}\`"
+                    echo "- Preview HTML validation: \`${{ needs.validate_preview_reports_html.result }}\`"
                   fi
 
                   if [ "${{ github.event_name }}" = "pull_request" ] && [ "${{ github.event.action }}" = "closed" ]; then
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 76b2a4530..476366fcb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,6 +13,11 @@ on:
                 required: false
                 type: number
                 default: -1
+            publish-required-statuses:
+                description: Mirror required test matrix checks as commit statuses for workflow-dispatched runs.
+                required: false
+                type: boolean
+                default: false
     workflow_dispatch:
         inputs:
             min-coverage:
@@ -25,6 +30,11 @@ on:
                 required: false
                 type: number
                 default: -1
+            publish-required-statuses:
+                description: Mirror required test matrix checks as commit statuses for workflow-dispatched runs.
+                required: false
+                type: boolean
+                default: false
     pull_request:
         types: [opened, synchronize, reopened]
     push:
@@ -32,6 +42,7 @@ on:
 
 permissions:
     contents: read
+    statuses: write
 
 concurrency:
     group: ${{ github.event_name == 'pull_request' && format('tests-pr-{0}', github.event.pull_request.number) || format('tests-{0}', github.ref) }}
@@ -168,3 +179,35 @@ jobs:
                   - Dependency health `max-outdated`: `${{ inputs.max-outdated || -1 }}`
                   - Tests job result: `${{ needs.tests.result }}`
                   - Dependency health result: `${{ needs.dependency-health.result }}`
+
+    publish_required_statuses:
+        if: ${{ always() && inputs.publish-required-statuses }}
+        name: Publish Required Test Statuses
+        needs:
+            - tests
+        runs-on: ubuntu-latest
+        steps:
+            - name: Mirror required test matrix contexts
+              env:
+                GH_TOKEN: ${{ github.token }}
+                TARGET_SHA: ${{ github.sha }}
+                TARGET_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+                TESTS_RESULT: ${{ needs.tests.result }}
+              run: |
+                if [ "${TESTS_RESULT}" = "success" ]; then
+                  state="success"
+                  description="Workflow-dispatched PHPUnit matrix passed."
+                else
+                  state="failure"
+                  description="Workflow-dispatched PHPUnit matrix result: ${TESTS_RESULT}."
+                fi
+
+                for context in "Run Tests (8.3)" "Run Tests (8.4)" "Run Tests (8.5)"; do
+                  gh api \
+                    --method POST \
+                    "repos/${GITHUB_REPOSITORY}/statuses/${TARGET_SHA}" \
+                    -f state="${state}" \
+                    -f context="${context}" \
+                    -f description="${description}" \
+                    -f target_url="${TARGET_URL}"
+                done
diff --git a/.github/workflows/wiki-preview.yml b/.github/workflows/wiki-preview.yml
index c3ef160c3..af29a1aed 100644
--- a/.github/workflows/wiki-preview.yml
+++ b/.github/workflows/wiki-preview.yml
@@ -116,7 +116,7 @@ jobs:
         env:
           GH_TOKEN: ${{ github.token }}
           HEAD_REF: ${{ github.event.pull_request.head.ref }}
-        run: gh workflow run tests.yml --ref "${HEAD_REF}" -f max-outdated=-1
+        run: gh workflow run tests.yml --ref "${HEAD_REF}" -f max-outdated=-1 -f publish-required-statuses=true
 
       - uses: ./.dev-tools-actions/.github/actions/summary/write
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e95201b5e..a9ffad9f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Keep required PHPUnit matrix checks reporting after workflow-managed `.github/wiki` pointer commits by running the pull-request test workflow without top-level path filters and aligning the packaged consumer test wrapper (#230)
 - Ignore intentional Composer Dependency Analyser shadow dependency findings by default while adding `dependencies --show-shadow-dependencies` for audits (#233)
 - Dispatch the required test workflow after wiki preview automation updates a pull-request `.github/wiki` pointer, avoiding permanently pending required checks on bot-authored pointer commits (#230)
+- Mirror workflow-dispatched wiki pointer test results into required `Run Tests` commit statuses so branch protection recognizes bot-authored pointer commits (#230)
+- Validate published main and pull-request report HTML with `proof-html` after GitHub Pages deployment health checks pass (#178)
 
 ## [1.21.0] - 2026-04-24
 
diff --git a/docs/advanced/branch-protection-and-bot-commits.rst b/docs/advanced/branch-protection-and-bot-commits.rst
index 4e02a20e1..6cf434ff0 100644
--- a/docs/advanced/branch-protection-and-bot-commits.rst
+++ b/docs/advanced/branch-protection-and-bot-commits.rst
@@ -106,9 +106,12 @@ does not start another ``pull_request`` or ``push`` workflow run for commits
 pushed with the built-in workflow token. After the wiki preview workflow commits
 a parent-repository pointer update, it explicitly dispatches ``tests.yml`` for
 the pull request head branch so the newest bot-authored commit receives the
-required ``Run Tests`` matrix checks. Test workflow concurrency cancels older
-in-progress runs for the same pull request so the newest commit owns the
-required check contexts.
+required ``Run Tests`` matrix checks. Because manually dispatched workflow check
+runs are not always treated as pull-request required checks, that dispatched
+test run also mirrors the matrix result into commit statuses named
+``Run Tests (8.3)``, ``Run Tests (8.4)``, and ``Run Tests (8.5)``. Test workflow
+concurrency cancels older in-progress runs for the same pull request so the
+newest commit owns the required check contexts.
 
 At a high level, the workflows need permission to read repository contents,
 write generated preview commits, update pull request comments, and publish Pages
@@ -122,8 +125,10 @@ The reusable workflows default to read-only repository access and grant write
 permissions at the job level when generated content must be pushed or pull
 requests must be updated.
 
-``tests.yml`` only needs ``contents: read`` because it checks out code, installs
-dependencies, and runs PHPUnit.
+``tests.yml`` needs ``contents: read`` because it checks out code, installs
+dependencies, and runs PHPUnit. It also declares ``statuses: write`` so
+workflow-dispatched test runs can mirror required matrix contexts onto
+bot-authored wiki pointer commits.
 
 ``reports.yml`` keeps ``contents: write`` on jobs that publish or clean
 ``gh-pages`` content. The pull request preview comment runs as a separate job
diff --git a/docs/advanced/consumer-automation.rst b/docs/advanced/consumer-automation.rst
index 29190534b..ae1d17c1f 100644
--- a/docs/advanced/consumer-automation.rst
+++ b/docs/advanced/consumer-automation.rst
@@ -71,7 +71,8 @@ How GitHub Pages Publishing Works
 ---------------------------------
 
 - ``.github/workflows/reports.yml`` runs ``composer dev-tools reports``.
-- The workflow delegates repeated GitHub Pages tasks to
+- The workflow verifies published URLs, validates published HTML with
+  ``proof-html``, and delegates repeated GitHub Pages tasks to
   ``.github/actions/github-pages/*`` instead of keeping that shell logic inline.
 - Pull requests publish previews under ``previews/pr-<number>/``.
 - On the ``main`` branch, GitHub Pages serves the generated site from the root
diff --git a/docs/usage/github-actions.rst b/docs/usage/github-actions.rst
index ad971ca71..7883974f9 100644
--- a/docs/usage/github-actions.rst
+++ b/docs/usage/github-actions.rst
@@ -71,6 +71,9 @@ The ``reports.yml`` workflow is responsible for generating technical documentati
 **Behavior:**
 *   **Main Branch**: Runs all checks and deploys the final reports to the root of the ``gh-pages`` branch.
     *   Runs a post-deploy health check against the published reports index and coverage URLs with retry/backoff to account for Pages propagation.
+    *   Checks out the published ``gh-pages`` content after deployment
+        verification and runs ``proof-html`` against the main reports site,
+        excluding historical pull-request previews from that main-site scan.
     *   Resolves the workflow PHP version from ``composer.lock`` or ``composer.json`` before installing dependencies.
     *   Removes ``.dev-tools/cache`` from the publish directory before deployment so repository-local tool caches never leak into GitHub Pages output.
     *   Appends a run summary with the published docs, coverage, and metrics URLs plus deployment verification status.
@@ -78,6 +81,7 @@ The ``reports.yml`` workflow is responsible for generating technical documentati
     *   Generates a **Preview** of the documentation, coverage, and metrics.
     *   Deploys the preview to ``gh-pages`` under ``previews/pr-{number}/``.
     *   Verifies the preview index and coverage URLs after deployment before posting preview links.
+    *   Runs ``proof-html`` against the published preview directory before posting preview links.
     *   Posts a **Sticky Comment** on the PR with links to the live preview, coverage report, and metrics site.
     *   Appends a run summary with preview URLs and verification status.
     *   Groups nested command output into collapsible GitHub Actions log sections so docs, tests, and metrics are easier to inspect independently.
diff --git a/resources/github-actions/tests.yml b/resources/github-actions/tests.yml
index a935fa736..bff4e9e64 100644
--- a/resources/github-actions/tests.yml
+++ b/resources/github-actions/tests.yml
@@ -14,13 +14,20 @@ on:
         required: false
         type: number
         default: -1
+      publish-required-statuses:
+        description: Mirror required test matrix checks as commit statuses for workflow-dispatched runs.
+        required: false
+        type: boolean
+        default: false
 
 permissions:
   contents: read
+  statuses: write
 
 jobs:
   tests:
     uses: php-fast-forward/dev-tools/.github/workflows/tests.yml@main
     with:
       max-outdated: ${{ inputs.max-outdated || -1 }}
+      publish-required-statuses: ${{ inputs.publish-required-statuses || false }}
     secrets: inherit