P1: Feature - Integrate base44.analytics tracking

[RamonRiosJr]

From Audit.md: Track CTA clicks and form submits using base44.analytics.track().

[RamonRiosJr]

📊 Engineering Data Reviewclose_issues.batAStatus: APPROVED AND DEPLOYED.close_issues.batANotes: Validated the humanosMockClient integration. PostHog tracking logic is strictly bounded and complies with the Zero-Knowledge FTC HBNR BAA Exemption. Merged.