2917ae22b1
Integrate self-hosted PostHog (SPM) with AnalyticsManager singleton wrapping all SDK calls. Adds ~40 type-safe events covering trip planning, schedule, progress, IAP, settings, polls, export, and share flows. Includes session replay, autocapture, network telemetry, privacy opt-out toggle in Settings, and super properties (app version, device, pro status, selected sports). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>