docs: update README to clarify local setup instructions and add new t…

…ools

fix: regenerate uv.lock to include prometheus-client (was missing fro…

…m frozen lock)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

release: v1.2.0 — supersede old pyp6xer_mcp 1.1.0 on PyPI

feat: add fleet-standard Prometheus metrics

Adds PrometheusMiddleware (pyp6xer_tool_calls_total, pyp6xer_tool_duration_seconds
with tool/transport/region/status labels) and /metrics endpoint. Adds [metrics]
block to fly.toml for Fly scraping. Cleans up inline starlette imports from route handlers.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

release: v0.3.0 — version bump + skip_existing for retry resilience

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

chore: add CLAUDE.md