docs: telegram adapter design spec + remove soul style presets from mock

platform/interface.py

@@ -41,7 +41,7 @@ class MessageChunk(BaseModel):
 class UserSettings(BaseModel):
     skills: dict[str, bool] = {}
     connectors: dict[str, dict] = {}
-    soul: dict[str, str] = {}
+    soul: dict[str, str] = {}  # свободные поля: name, instructions и т.п. — без пресетов стилей
     safety: dict[str, bool] = {}
     plan: dict[str, Any] = {}