[codex] Bump proof-pr dogfood to v0.2.12

.github/workflows/proof-pr.yml

@@ -9,10 +9,10 @@ permissions:
 
 jobs:
   proof:
-    uses: saagpatel/proof-pr/.github/workflows/proof-pr-receipt.yml@v0.2.11
+    uses: saagpatel/proof-pr/.github/workflows/proof-pr-receipt.yml@v0.2.12
     with:
       receipt_path: proof-pr.json
-      proof_pr_ref: v0.2.11
+      proof_pr_ref: v0.2.12
       check_public_git_metadata: true
       public_git_metadata_mode: introduced
       artifact_name: github-repo-auditor-proof-pr

docs/proof-pr-dogfood.md

@@ -12,10 +12,11 @@ environment and render the proof block from a generated receipt:
 ```bash
 python3 -m venv /tmp/gra-proof-pr-venv
 /tmp/gra-proof-pr-venv/bin/python -m pip install \
-  git+https://github.com/saagpatel/proof-pr.git@v0.2.11
+  git+https://github.com/saagpatel/proof-pr.git@v0.2.12
 /tmp/gra-proof-pr-venv/bin/proof-pr init \
   --cwd . \
   --tier T1 \
+  --example "Test-only maintenance" \
   --summary "Short PR summary" \
   --output /tmp/gra-proof-pr.json
 /tmp/gra-proof-pr-venv/bin/proof-pr collect \

proof-pr.json

@@ -16,7 +16,13 @@
     "tool": "proof-pr",
     "version": "0.1.3",
     "agent": "codex",
-    "mode": "local"
+    "mode": "local",
+    "example_pattern": {
+      "pattern": "Workflow dogfood",
+      "example": "examples/pr-087-github-repo-auditor-dogfood.json",
+      "tier": "T3",
+      "source": "explicit"
+    }
   },
   "risk": {
     "tier": "T3",