b203120ab4
Phase 3, API layer. GET/PUT /api/career/profile — the endpoint the /career editor uses to read and write the master profile. - GET: returns the structured profile (assembled from the relational children, backfilled from the blob if needed) plus a completeness scorecard. - PUT: validates limits, persists via CareerProfileService (relational children + append-only version), then serializes the result into ApplicationUser.ProfileCvStructureJson so the legacy read paths stay in sync. Identity fields are untouched (they belong to /profile). - GET /completeness: just the scorecard, for the overview. - CareerCompleteness: weighted percent + missing sections. - CareerProfileValidator: item-count/length limits (abuse guard, NOT completeness — a work-in-progress profile always saves). Tests (+4): put/get round-trip + projection sync, completeness, over-limit rejection, empty WIP profile accepted. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>