diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 056d316..4e1e3a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,25 +5,75 @@ on:
     paths:
       - 'src/foundry/adapters/**'
       - 'tests/**'
+      - 'scripts/ci/**'
+
+permissions:
+  contents: read
+  pull-requests: write  # needed only for the comment step; remove if you don't want comments
+
+concurrency:
+  group: tc06-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   tc-06:
-    name: TC-06 adapter contract & parity
+    name: TC-06 adapter contract & parity + brief
     runs-on: ubuntu-latest
+    timeout-minutes: 15
 
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # helpful for diffs/briefs
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.11'
+          cache: 'pip'
 
       - name: Install dependencies
+        shell: bash
         run: |
           python -m pip install --upgrade pip
-          pip install .[dev] ruff mypy pydantic
+          # editable install ensures tests import local src/
+          pip install -e .[dev]
+          # make sure linters/type-checkers are present
+          pip install ruff mypy
+
+      - name: Make CI scripts executable
+        shell: bash
+        run: chmod +x scripts/ci/check_tc06.sh
 
       - name: TC-06 adapter contract & parity
+        shell: bash
+        env:
+          # keeps repo root on sys.path for tests that import packages
+          PYTHONPATH: ${{ github.workspace }}
         run: scripts/ci/check_tc06.sh
+
+      # ------- Review brief generation (module mode; no sys.path hacks) -------
+      - name: Generate review brief
+        if: ${{ github.event_name == 'pull_request' }}
+        shell: bash
+        working-directory: ${{ github.workspace }}
+        run: |
+          python -m scripts.ci.review_brief \
+            --base "${{ github.event.pull_request.base.sha }}" \
+            --head "${{ github.event.pull_request.head.sha }}" \
+            --pr   "${{ github.event.pull_request.number }}" \
+            --repo "${{ github.repository }}" > brief.md
+
+      - name: Upload brief.md as artifact
+        if: ${{ github.event_name == 'pull_request' }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: review-brief
+          path: brief.md
+
+      - name: Comment brief on PR
+        if: ${{ github.event_name == 'pull_request' }}
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          path: brief.md