feat(gateway): unify QQBot branding, add PLATFORM_HINTS, fix streaming, restore missing setup functions

- Rename platform from 'qq' to 'qqbot' across all integration points
  (Platform enum, toolset, config keys, import paths, file rename qq.py → qqbot.py)
- Add PLATFORM_HINTS for QQBot in prompt_builder (QQ supports markdown)
- Set SUPPORTS_MESSAGE_EDITING = False to skip streaming on QQ
  (prevents duplicate messages from non-editable partial + final sends)
- Add _send_qqbot() standalone send function for cron/send_message tool
- Add interactive _setup_qq() wizard in hermes_cli/setup.py
- Restore missing _setup_signal/email/sms/dingtalk/feishu/wecom/wecom_callback
  functions that were lost during the original merge

gateway/platforms/__init__.py

@@ -9,7 +9,7 @@ Each adapter handles:
 """
 
 from .base import BasePlatformAdapter, MessageEvent, SendResult
-from .qq import QQAdapter
+from .qqbot import QQAdapter
 
 __all__ = [
     "BasePlatformAdapter",

gateway/platforms/qqbot.py

@@ -152,7 +152,7 @@ class QQAdapter(BasePlatformAdapter):
     MAX_MESSAGE_LENGTH = MAX_MESSAGE_LENGTH
 
     def __init__(self, config: PlatformConfig):
-        super().__init__(config, Platform.QQ)
+        super().__init__(config, Platform.QQBOT)
 
         extra = config.extra or {}
         self._app_id = str(extra.get("app_id") or os.getenv("QQ_APP_ID", "")).strip()
@@ -194,7 +194,7 @@ class QQAdapter(BasePlatformAdapter):
 
     @property
     def name(self) -> str:
-        return "QQ"
+        return "QQBot"
 
     # ------------------------------------------------------------------
     # Connection lifecycle
@@ -658,7 +658,7 @@ class QQAdapter(BasePlatformAdapter):
         try:
             payload = json.loads(raw)
         except Exception:
-            logger.debug("[%s] Failed to parse JSON: %r", "QQ", raw)
+            logger.debug("[%s] Failed to parse JSON: %r", "QQBot", raw)
             return None
         return payload if isinstance(payload, dict) else None