diff --git a/docs/observer/STATUS.md b/docs/observer/STATUS.md
index c1c31cfb..8bcd257d 100644
--- a/docs/observer/STATUS.md
+++ b/docs/observer/STATUS.md
@@ -1,6 +1,6 @@
 # Brain Status (auto-generated)
 
-Last updated: 2026-06-10T02:04:54.234Z
+Last updated: 2026-06-10T02:13:22.381Z
 
 | Контролёр | Состояние | Детали |
 |---|---|---|
@@ -8,7 +8,7 @@ Last updated: 2026-06-10T02:04:54.234Z
 | C2 Cross-ref consistency | ✅ | [cross-ref-checker] OK — 0 drift in 4 files |
 | C3 Observer-of-observer | ✅ | [observer-of-observer] OK — last read 2 week(s) ago |
 | C4 Сигнальный статус | ✅ | This file (self-reference) |
-| C5 Observer-coverage | ✅ | 801 episode(s) this month · Stop-hook + post-commit OK |
+| C5 Observer-coverage | ✅ | 803 episode(s) this month · Stop-hook + post-commit OK |
 | C6 Chain map sync | ✅ | [chain-map-checker] OK — 16 chains in sync |
 
 ## Кто на посту (оборона М1–М6)
@@ -33,20 +33,21 @@ Last updated: 2026-06-10T02:04:54.234Z
 | enforce-verify-gate.mjs | `enforce-verify-gate.mjs` | 🔴 |
 | enforce-criterion-gate.mjs | `enforce-criterion-gate.mjs` | 🔴 |
 
-Недавние escape владельца: 0 · Недавние блоки: 3
+Недавние escape владельца: 0 · Недавние блоки: 4
 
 **Недавние блоки (детали):**
 
 | Время | Действие | Причина |
 |---|---|---|
+| 2026-06-10T02:05:25.416Z | write:c:/users/administrator/.claude/projects/c---------------------crm-------------/3faf96c1-77d9-4993-bdd6-6c9d4859be4 | path «C:/Users/Administrator/.claude/projects/c---------------------crm-------------/3faf96c1-77d9-4993-bdd6-6c9d4859be4 |
 | 2026-06-10T02:04:19.082Z | write:c:/users/administrator/.claude/projects/c---------------------crm-------------/3faf96c1-77d9-4993-bdd6-6c9d4859be4 | path «C:/Users/Administrator/.claude/projects/c---------------------crm-------------/3faf96c1-77d9-4993-bdd6-6c9d4859be4 |
 | 2026-06-10T02:03:29.396Z | write:c:/users/administrator/.claude/projects/c---------------------crm-------------/3faf96c1-77d9-4993-bdd6-6c9d4859be4 | path «C:/Users/Administrator/.claude/projects/c---------------------crm-------------/3faf96c1-77d9-4993-bdd6-6c9d4859be4 |
 | 2026-06-10T01:29:36.756Z | write:c:/users/administrator/.claude/projects/c---------------------crm-------------/3faf96c1-77d9-4993-bdd6-6c9d4859be4 | path «C:/Users/Administrator/.claude/projects/c---------------------crm-------------/3faf96c1-77d9-4993-bdd6-6c9d4859be4 |
 
 ## Метрики (информационные, не алерты)
 
-- Observer evidence: 801 episodes this month, 0 observer_error markers, 0 PII matches before filter
-- Legacy v1 episodes (not in factor analysis): 801
+- Observer evidence: 803 episodes this month, 0 observer_error markers, 0 PII matches before filter
+- Legacy v1 episodes (not in factor analysis): 803
 - Last /brain-retro: 14 day(s) ago
 - Использование узлов: см. `/brain-retro` (раз в спринт). missed_activations: 0. **Неиспользованные узлы — не алерт, если профильной задачи не было** (Pravila §16.4 v1.36; capability-readiness; см. memory `feedback_brain_unused_tools_not_problem` — outside-repo memory store).
 
@@ -56,14 +57,14 @@ Baseline дисциплины роутера (этап 2 router discipline overh
 
 | Тип задачи | Эпизодов | % с триггер-матчем | % через скил |
 |---|---|---|---|
-| planning | 111 | 9.0% | 19.8% |
+| planning | 112 | 8.9% | 19.6% |
 | analysis | 35 | 5.7% | 0.0% |
 | feature | 27 | 11.1% | 3.7% |
 | bugfix | 27 | 14.8% | 18.5% |
 
-Router step distribution: 1: 384, 2: 295, 3: 18, 5: 88
+Router step distribution: 1: 385, 2: 296, 3: 18, 5: 88
 
-Boundaries applied (ADR / границы): 8 of 785 эпизодов (1.0%).
+Boundaries applied (ADR / границы): 8 of 787 эпизодов (1.0%).
 
 ## Активные многоэтапные проекты
 
@@ -97,7 +98,7 @@ Episodes since last run: 542 / threshold: 10
 
 ## Reviewer: субагент vs fallback
 
-0 эпизодов проверено из 801.
+0 эпизодов проверено из 803.
 
 ## Reviewer findings
 
@@ -123,9 +124,9 @@ Episodes since last run: 542 / threshold: 10
 
 | PID | Имя | CPU-время | Возраст |
 |---|---|---|---|
-| 3916 | MsMpEng | 3.61ч | 98.6ч |
-| 1208 | svchost | 1.45ч | 1327490.1ч |
-| 4 | System | 1.18ч | 0.0ч |
+| 3916 | MsMpEng | 3.66ч | NaNч |
+| 1208 | svchost | 1.45ч | NaNч |
+| 4 | System | 1.19ч | 16667668.7ч |
 
 ⚠️ Проверь, не «осиротевшие» ли это процессы от завершённых Claude-сессий.
 
diff --git a/tools/enforce-askuser-answer-parser-floor-escape.test.mjs b/tools/enforce-askuser-answer-parser-floor-escape.test.mjs
new file mode 100644
index 00000000..7baed1f7
--- /dev/null
+++ b/tools/enforce-askuser-answer-parser-floor-escape.test.mjs
@@ -0,0 +1,38 @@
+// tools/enforce-askuser-answer-parser-floor-escape.test.mjs
+import { describe, it, expect } from 'vitest';
+import { join } from 'node:path';
+import { processEvent } from './enforce-askuser-answer-parser.mjs';
+import { verifyFloorEscapeRecord } from './askuser-answer-parser.mjs';
+
+function memFs() {
+  const s = new Map(); const norm = (p) => String(p).replace(/\\/g, '/');
+  return { s,
+    appendFileSync: (p, d) => { const n = norm(p); s.set(n, (s.get(n) || '') + d); },
+    mkdirSync: () => {} };
+}
+const DIR = '/rt'; const KEY = 'test-receipt-key';
+const ev = (action) => ({
+  session_id: 's1',
+  tool_input: { questions: [{ question: 'Q?' }] },
+  tool_response: { answers: { 'Q?': `да, разрешаю. FLOOR-ESCAPE: ${action}` } },
+});
+function readLines(fs) {
+  const raw = fs.s.get(join(DIR, 'askuser-decisions-s1.jsonl').replace(/\\/g, '/')) || '';
+  return raw.trim().split('\n').filter(Boolean).map((l) => JSON.parse(l));
+}
+
+describe('processEvent — key-gated подпись floor_escape', () => {
+  it('ключ есть → floor_escape несёт валидную подпись', () => {
+    const fs = memFs();
+    processEvent(ev('bash:git push --force'), { runtimeDir: DIR, nowMs: 5, keyImpl: () => KEY, fsImpl: fs });
+    const esc = readLines(fs).find((r) => r.type === 'floor_escape');
+    expect(esc).toBeTruthy();
+    expect(verifyFloorEscapeRecord(esc, KEY)).toBe(true);
+  });
+  it('ключ null → floor_escape без подписи (как сегодня)', () => {
+    const fs = memFs();
+    processEvent(ev('bash:git push --force'), { runtimeDir: DIR, nowMs: 5, keyImpl: () => null, fsImpl: fs });
+    const esc = readLines(fs).find((r) => r.type === 'floor_escape');
+    expect(esc.sig).toBeUndefined();
+  });
+});
diff --git a/tools/enforce-askuser-answer-parser.mjs b/tools/enforce-askuser-answer-parser.mjs
index f28da4cb..d056fdf3 100644
--- a/tools/enforce-askuser-answer-parser.mjs
+++ b/tools/enforce-askuser-answer-parser.mjs
@@ -16,7 +16,8 @@
 import { appendFileSync, mkdirSync } from 'node:fs';
 import { homedir } from 'node:os';
 import { join, dirname } from 'node:path';
-import { toApprovalRecord, toFloorEscapeRecord } from './askuser-answer-parser.mjs';
+import { toApprovalRecord, toFloorEscapeRecord, signFloorEscapeRecord } from './askuser-answer-parser.mjs';
+import { resolveReceiptKey } from './receipt-key-config.mjs';
 
 /**
  * Pure event processor for test-injection of runtimeDir + nowMs.
@@ -26,7 +27,7 @@ import { toApprovalRecord, toFloorEscapeRecord } from './askuser-answer-parser.m
  * @param {string} [opts.runtimeDir] - override default ~/.claude/runtime
  * @param {number} [opts.nowMs]      - override timestamp for test determinism
  */
-export function processEvent(event, { runtimeDir, nowMs } = {}) {
+export function processEvent(event, { runtimeDir, nowMs, keyImpl = resolveReceiptKey, fsImpl = { appendFileSync, mkdirSync } } = {}) {
   try {
     const sessionId = event && event.session_id;
     const toolInput = event && event.tool_input;
@@ -35,6 +36,9 @@ export function processEvent(event, { runtimeDir, nowMs } = {}) {
 
     const questions = toolInput.questions || [];
     const answers = toolResponse.answers || {};
+    // M6 FIX-5: резолв ключа подписи один раз на событие (fail-safe — ошибка резолва
+    // → key=null → floor_escape пишется неподписанным, PostToolUse-наблюдаемость цела).
+    let key = null; try { key = keyImpl(); } catch { key = null; }
 
     const dir = runtimeDir || join(homedir(), '.claude', 'runtime');
     const path = join(dir, `askuser-decisions-${sessionId}.jsonl`);
@@ -45,14 +49,16 @@ export function processEvent(event, { runtimeDir, nowMs } = {}) {
       const ans = answers[q.question];
       if (!ans) continue;
       const rec = toApprovalRecord(ans, { question: q.question, nowMs });
-      const esc = toFloorEscapeRecord(ans, { nowMs });
+      // M6 FIX-5: подписываем ТОЛЬКО floor_escape (§2.2 — approve_git_operation не трогаем).
+      let esc = toFloorEscapeRecord(ans, { nowMs });
+      if (esc && key) esc = signFloorEscapeRecord(esc, key);
       for (const out of [rec, esc]) {
         if (!out) continue;
         if (!wroteAny) {
-          try { mkdirSync(dirname(path), { recursive: true }); } catch { /* ignore */ }
+          try { fsImpl.mkdirSync(dirname(path), { recursive: true }); } catch { /* ignore */ }
           wroteAny = true;
         }
-        try { appendFileSync(path, JSON.stringify(out) + '\n'); } catch { /* fail-open */ }
+        try { fsImpl.appendFileSync(path, JSON.stringify(out) + '\n'); } catch { /* fail-open */ }
       }
     }
   } catch {