[CLAUDE] Docs: S111 adopt H22 WAL session-continuity — sổ WAL ≤40 + Stop-hook wal-flush.ps1 persist-only VERIFIED-RUNTIME ×2 (12071c5/67be443 hot-reload ENV-DEPENDENT) + /pause·/tiep 1-đường + BƯỚC 0.7/§5.0/§6.4 + FLIP run-trace ≥3-task + engine PHẦN N + detector C5 + mark RC-…12-07-2026-11-43-45 + D10 paths-ignore anh-directed + email 9cdcda2f3c83 (invest/reviewer Fable per-invocation 0-garble · WF wf_5ba3daf6-fe0 3-Opus RUN-TRACE · reviewer PASS_WITH_FIXES 8/8-fix · squash §5.0 dogfood-THẬT K=2)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

scripts/governance-detectors.ps1

@@ -408,6 +408,25 @@ for ($s = 0; $s -lt $aliasSets.Count; $s++) {
     }
 }
 
+# ---------------------------------------------------------------------------
+# C5 - WAL guardrail (H22 S111, reviewer-m1): .claude/WAL.md hard cap 40 lines
+# (N.1 overwrite-not-append). DETECT-only nhu moi detector khac.
+# ---------------------------------------------------------------------------
+Write-Section 'C5 - WAL guardrail (H22)'
+$walPath = Join-Path $RepoRoot '.claude\WAL.md'
+if (Test-Path $walPath) {
+    $walLineCount = @(Get-Content $walPath).Count
+    if ($walLineCount -gt 40) {
+        Write-Flag 'MED' '.claude/WAL.md' `
+            ("wal-overflow: {0} lines > 40-line hard cap (H22 N.1 overwrite-not-append)" -f $walLineCount) `
+            'trim WAL to <= 40 lines: move long notes to run-folder/work-state; keep chain+next+verify only'
+    } else {
+        Write-Host ("  [OK] WAL.md = {0} lines (<= 40 hard cap)" -f $walLineCount)
+    }
+} else {
+    Write-Host '  (no .claude/WAL.md - no active chain, skip)'
+}
+
 # ---------------------------------------------------------------------------
 # Summary + C4 self-exclusion audit (RUNTIME proof)
 # ---------------------------------------------------------------------------