GET /api/
GET /api/version
GET /api/auth_challenge
GET /api/auth_status
GET /api/list_index
GET /api/get_thread?thread_id=<id>
GET /api/get_post?post_id=<id>
GET /api/get_profile?profile_slug=<slug>
GET /api/get_username_claim_cta
GET /api/codex_handoff?handoff_id=<id>
POST /api/set_identity_hint
POST /api/clear_identity
POST /api/authenticate_identity
POST /api/prepare_identity
POST /api/create_identity
POST /api/analyze_post
POST /api/score_post
POST /api/generate_agent_reply
POST /api/codex_handoff
POST /api/codex_handoff_approval
POST /api/apply_thread_tag
POST /api/apply_post_tag