[kimi] Break up _dispatch_via_gitea() into helper functions (#1136) (#1183)

src/infrastructure/chat_store.py

@@ -25,6 +25,7 @@ MAX_MESSAGES: int = 500
 @dataclass
 class Message:
     """A single chat message with role, content, timestamp, and source."""
+
     role: str  # "user" | "agent" | "error"
     content: str
     timestamp: str