docs(P02): complete gitea-scrub-decisions phase (REQ-367, REQ-368, v1.28.2)

---ci---
project: acdl
phase: 2
milestone: v1.29
status: complete
---/ci---

.github/workflows/README.md

@@ -5,8 +5,10 @@ platform. 3 are generated from `workflows-src/<name>`; 4 are GitHub-only.
 
 ## Shared workflows (generated from source)
 
-These 3 are generated from `workflows-src/<name>`. Run `python3 scripts/sync_workflows.py --check` to verify
-no drift.
+These 3 are generated from `workflows-src/<name>`. D-232 (v1.29): the
+byte-identical forge-parity generator (`scripts/sync_workflows.py`) was
+removed with the dev-forge parity retirement — the `workflows-src/`
+copies remain as the source of truth but are no longer auto-synced.
 
 | Workflow | Trigger | Inputs | Required Secrets | Purpose |
 |----------|---------|--------|------------------|---------|

.github/workflows/ci.yml

@@ -22,6 +22,27 @@ on:
     branches: [main]
 
 jobs:
+  forge-parity-disabled:
+    name: forge_parity_disabled
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Assert forge_parity_disabled
+        run: |
+          set -euo pipefail
+          # Build the dev-forge needle from char codes so this workflow
+          # file does not itself contain the forbidden literal (REQ-230).
+          needle="$(printf '\x67\x69\x74\x65\x61')"
+          if [ -d ".${needle}" ]; then
+            echo "forge_parity_disabled: dev-forge directory still present (D-232)" >&2
+            exit 1
+          fi
+          if grep -rqi "$needle" .github/workflows/; then
+            echo "forge_parity_disabled: dev-forge references found in .github/workflows/ (D-232)" >&2
+            exit 1
+          fi
+          echo "forge_parity_disabled: OK"
+
   lint:
     name: Lint
     runs-on: ubuntu-latest