feat: finalize matrix platform audit and docs

sdk/mock.py

@@ -4,8 +4,9 @@ from __future__ import annotations
 import asyncio
 import random
 import uuid
+from collections.abc import AsyncIterator
 from datetime import UTC, datetime
-from typing import Any, AsyncIterator, Literal
+from typing import Any, Literal
 
 import structlog
 
@@ -222,14 +223,16 @@ class MockPlatformClient:
         response = f"[MOCK] Ответ на: «{preview}»{attachment_note}"
         tokens = len(text.split()) * 2
 
-        self._messages[key].append({
-            "message_id": message_id,
-            "user_text": text,
-            "response": response,
-            "tokens_used": tokens,
-            "finished": True,
-            "created_at": datetime.now(UTC).isoformat(),
-        })
+        self._messages[key].append(
+            {
+                "message_id": message_id,
+                "user_text": text,
+                "response": response,
+                "tokens_used": tokens,
+                "finished": True,
+                "created_at": datetime.now(UTC).isoformat(),
+            }
+        )
         return message_id, response, tokens
 
     async def _latency(self, min_ms: int = 10, max_ms: int = 80) -> None: