feat(android): add native controls and continuous multi-touch

artemis/mcp/action_server.py

@@ -34,7 +34,7 @@ import asyncio
 from typing import Annotated, Any
 
 from mcp.server.fastmcp import FastMCP
-from mcp.types import CallToolResult, ImageContent, TextContent
+from mcp.types import CallToolResult, ImageContent, TextContent, ToolAnnotations
 
 from artemis.mcp.action_manifest import validate_actuator
 from artemis.mcp.action_specs import (
@@ -87,6 +87,11 @@ def build_action_server(actuator: Actuator, name: str = "artemis_actions") -> Fa
                 make_wire_handler(spec, actuator, _wrap, _wrap_exception),
                 name=spec.name,
                 description=spec.wire.description,
+                annotations=ToolAnnotations(
+                    readOnlyHint=True, destructiveHint=False, idempotentHint=True
+                )
+                if spec.read_only
+                else None,
             )
 
     # --- Internal observation tools (never declared to an LLM) -----------------------