feat: support list span & trace detail in apmplus

[danielqsj]

Support list span & trace detail in apmplus.
Added two new tools:

• apmplus_server_get_trace_detail
• apmplus_server_list_span

[cuericlee]

@danielqsj peer review is needed

[Copilot]

Pull request overview

Adds APMPlus trace/span querying capabilities to the mcp_server_apmplus MCP server, along with related SDK/config updates and documentation/version bumps.

Changes:

• Add two new MCP tools: apmplus_server_get_trace_detail and apmplus_server_list_span.
• Refactor auth/config handling to support region + volcengine SDK client configuration and bump dependencies.
• Update README docs/versioning and add a local test.py harness.

Reviewed changes

Copilot reviewed 11 out of 12 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
server/mcp_server_apmplus/src/mcp_server_apmplus/server.py	Adds the new tools, moves CLI main() here, and updates auth/config initialization.
server/mcp_server_apmplus/src/mcp_server_apmplus/api.py	Introduces volcengine SDK client usage for trace detail and span listing; adjusts request host handling.
server/mcp_server_apmplus/src/mcp_server_apmplus/config.py	Expands config to include region and pool_concurrency and adds volcengine SDK configuration conversion.
server/mcp_server_apmplus/src/mcp_server_apmplus/model.py	Renames request field region_id → region for server APIs.
server/mcp_server_apmplus/src/mcp_server_apmplus/test.py	Adds async unittest-based integration-style test harness for the tools.
server/mcp_server_apmplus/src/mcp_server_apmplus/main.py	Removed (CLI entrypoint relocation).
server/mcp_server_apmplus/pyproject.toml	Bumps version/deps and configures uv git source for volcengine SDK.
server/mcp_server_apmplus/requirements.txt	Switches volcengine SDK dependency to a git+ssh reference.
server/mcp_server_apmplus/uv.lock	Updates lockfile for new dependencies (mcp bump, black, volcengine SDK via git, etc.).
server/mcp_server_apmplus/README.md	Documents new tools and updates version to v0.2.0.
server/mcp_server_apmplus/README_zh.md	Documents new tools and updates version to v0.2.0.
server/mcp_server_apmplus/.gitignore	Adds a Python-focused ignore file for this package.

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[feng-95]

+LGTM

[danielqsj]

@cuericlee peer reviewed, pls take a look, thanks~