fix(mcp): 修复非 UUID Agent ID 无法解析的问题

[ZhuangShiHao1207]

问题描述

使用MCP来调用工具list_agents 会返回内置 Agent 的 ID（例如 builtin-wiki-researcher），但该非 UUID ID 传给 agent_chat 或 get_agent 时会被解析失败并报“Agent not found”。

根因是 resolve_agent_id 对非 UUID 入参仅按 Agent 的 name（忽略大小写）匹配，未按 id 匹配。

变更类型

• 🐛 Bug fix

修复内容

• 对非 UUID 入参优先精确匹配 Agent 的 id。
• 未匹配时保留原有按 name 忽略大小写匹配的行为。
• 更新函数说明，使其准确描述支持 ID 与名称两种输入。

测试

• 新增 builtin-wiki-researcher 可按非 UUID ID 解析的回归测试。
• 覆盖原有按名称、忽略大小写解析的兼容行为。
• 执行 pytest，结果：2 passed。

检查清单

• git diff --check origin/main...HEAD 通过
• 已新增覆盖本次修复的单元测试
• 已完成自查

[Copilot]

Pull request overview

This PR fixes MCP agent resolution so that non-UUID agent identifiers returned by list_agents (e.g. builtin-wiki-researcher) can be correctly used with APIs like agent_chat / get_agent, by enhancing resolve_agent_id to match both agent id and name.

Changes:

• Update resolve_agent_id to (for non-UUID input) first match agent id exactly, then fall back to case-insensitive name matching.
• Update the resolve_agent_id docstring to reflect support for both ID and name inputs.
• Add regression tests covering non-UUID ID resolution and the existing case-insensitive name resolution behavior.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
mcp-server/weknora_mcp_server.py	Fix agent resolution logic to support exact matching on non-UUID agent IDs before falling back to name matching.
mcp-server/tests/test_agent_id_resolution.py	Add pytest regression coverage for non-UUID agent IDs and case-insensitive name matching.

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