feat: added MCP instrumentation with Langtrace.#57
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- Initialize Langtrace tracing when LANGTRACE_API_KEY is set (or via --langtrace-api-key).
- Add user kill switch for telemetry: NEPTUNE_MCP_DISABLE_TELEMETRY=1 and --disable-telemetry.
- Instrument all FastMCP tools at registration time by wrapping mcp.tool so every @mcp.tool(...) invocation emits a span (sync + async) with tool name, duration, and success/error. NOTE: argument values are not recorded; only kwarg names/count.
- Add spans for Neptune API calls in Client (route templates + status code) and for local subprocess execution
- Initialize Langtrace tracing when LANGTRACE_API_KEY is set (or via --langtrace-api-key). - Add user kill switch for telemetry: NEPTUNE_MCP_DISABLE_TELEMETRY=1 and --disable-telemetry. - Instrument all FastMCP tools at registration time by wrapping mcp.tool so every @mcp.tool(...) invocation emits a span (sync + async) with tool name, duration, and success/error. NOTE: argument values are not recorded; only kwarg names/count. - Add spans for Neptune API calls in Client (route templates + status code) and for local subprocess execution
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