Rename plugin from openclaw-channel to send_to_agent

- plugin.yaml: name is now send_to_agent
- __init__.py: toolset is now send_to_agent, removed openclaw references
- send_to_agent.py: unchanged (tool name was always send_to_agent)

__init__.py

@@ -1,6 +1,6 @@
-"""openclaw-channel plugin.
+"""send_to_agent plugin.
 
-Registers the send_to_agent tool for inter-agent messaging via openclaw-relay.
+Registers the send_to_agent tool for inter-agent messaging via relay.
 
 See send_to_agent.py for tool implementation and README.md for context.
 """
@@ -16,11 +16,11 @@ def register(ctx):
 
     ctx.register_tool(
         name="send_to_agent",
-        toolset="openclaw",
+        toolset="send_to_agent",
         schema=SEND_SCHEMA,
         handler=_send,
         check_fn=_check,
-        description="Send a message to another fleet agent via openclaw-relay.",
+        description="Send a message to another fleet agent via relay.",
         emoji="📡",
     )
-    logger.info("openclaw-channel: registered send_to_agent (agent=%s)", AGENT_ID)
+    logger.info("send_to_agent: registered (agent=%s)", AGENT_ID)

plugin.yaml

@@ -1,5 +1,5 @@
-name: openclaw-channel
+name: send_to_agent
 version: 0.1.0
-description: "openclaw-relay inter-agent channel — adds send_to_agent tool for fleet messaging"
+description: "send_to_agent tool for inter-agent relay messaging"
 provides_tools:
   - send_to_agent