[Feature] ChatHistory MCP Support

[joshuayao]

Priority

P1-Stopper

OS type

Ubuntu

Hardware type

Xeon-GNR

Running nodes

Single Node

Description

If this task deprecates ChatHistory in v1.4, we can skip this task.

Enable component to operate as MCP Servers:

• Seamless microservice-level conversion to MCP via register_microservice.
• Support TOOL, PROMPT, and RESOURCE function types.
• Allow dynamic addition of TOOL, PROMPT, and RESOURCE handlers to an existing MCP server instance.
• Include a dummy MCP server for basic testing purposes.
• Provide a simple integration example.
• Add a targeted test case to validate component functionality via an MCP client.