Local telemetry infrastructure for gstack usage tracking.
gstack-telemetry-log appends JSONL events with skill name, duration,
outcome, session ID, and platform info. Supports off/anonymous/community
privacy tiers. gstack-analytics renders a personal usage dashboard
from local data.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>