feat: IAB TCF 2.2 — TC String encoder + purpose mapping + UI
- TCFEncoderService: generates base64url-encoded TC Strings per IAB spec
with 12 purposes, vendor consent bitfield, CMP metadata
- Category-to-purpose mapping (necessary→none, statistics→1,7,8,9,10,
marketing→1,2,3,4,5,6,7,12, functional→1,11)
- tcf_routes: 5 endpoints (purposes, features, mapping, encode, encode-categories)
- banner_consent_service: auto-generates TC String when tcf_enabled=true
- TCFSettings.tsx: enable/disable toggle, purpose grid with category mapping,
TC String test generator, CMP registration info
- New "TCF/IAB" tab in cookie-banner page (7 tabs total)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Benjamin Admin
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