v1.6.17

Quality-of-life release: a real update path, cleaner numbers, the current model name, and Official MCP Registry readiness.

Added

• sipcode update — shows your version + npm i -g sipcode@latest, or --run to upgrade in place. Zero network calls preserved. README "Updating Sipcode" section + FAQ.
• MCP Registry readiness — mcpName in package.json + server.json so Sipcode can list on the Official MCP Registry.

Fixed

• Session-count pollution. Observer/telemetry plugin folders (e.g. claude-mem) and empty zero-token sessions were inflating stats, today, why, forecast, trend — one machine showed 1,446 sessions when ~21 were real, and today reported "0 tokens." Now excluded everywhere (CLI + MCP).
• estimate now shows opus 4.8 (was 4.7).
• Friendlier first run — stats on a fresh machine says "no Claude Code sessions found yet" instead of falsely claiming transcripts exist.

Tests: 1,363 → 1,373, full suite green.

Full changelog: https://github.com/Anuj7411/sipcode/blob/main/CHANGELOG.md