- New §5.10 Media: presign-upload/download + upload/blob endpoints, attachment shape,
governance notes (25MB + type allowlist via OPA, signed tokens, tenant fence), and a
sequence diagram of the presign→upload→send→signed-download flow with the OPA gate.
- SDK: uploadMedia/mediaUrl; send() attachment/mentions.
- Auth §3: real OIDC (Supabase/AUTH_ISSUERS) JWKS verification alongside dev HS256.
- Env: MEDIA_DIR/MEDIA_SECRET/PUBLIC_URL/SUPABASE_URL/AUTH_ISSUERS; test count 192.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Full as-built reference: run/auth (dev tokens), conventions (idempotency, tenancy,
error codes), every REST endpoint across health/dev/interactions/threads/inbox/
support/adapters/routes/ai/calendar with request/response shapes, the kernel-client
+ 6 React hook SDKs, a curl QA quickstart + the 8 smoke scripts, env var reference,
and enum vocabularies.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
maaz519