- Fill setupRouter: GET /status, POST /config, POST /validate/{db,oidc,vapid},
POST /credential, POST /complete (SETUP-01/02)
- isSetupLocked() is FIRST statement in every handler; returns 423 if locked (SETUP-04/D-10)
- /status uses isSetupLocked() directly: covers both explicit + effective-config branches
- /config: zod-validates {oidcIssuer:https, oidcClientId, vapidPublicKey, appExternalUrl};
upserts oidc_issuer|oidc_client_id|vapid_public_key|app_external_url into app_config
- /validate/db: db.execute(sql`SELECT 1`); 200 ok, 503 on failure
- /validate/oidc: fetches discovery doc with AbortSignal.timeout(5000); reads oidc_issuer
from app_config; 200 ok, 400 on unreachable/non-2xx
- /validate/vapid: webpush.setVapidDetails() structural check; reads ONLY from process.env
(VAPID_PRIVATE_KEY never from app_config, never returned; T-12-06/SC-3)
- /credential: inserts local user (oidcIss=null, claimed=false, isAdmin=true) FIRST
(Pitfall 5 FK), then calls validateEncryptAndStoreCredential(); noEchoHook + error map
- /complete: upserts setup_complete='true'; 200 first call, 423 second (Pitfall 8/D-10)
- Mount setupRouter pre-auth in index.ts BEFORE devAuthBypass() (T-12-09/Pitfall 1)
- All 394 tests pass (5 todo = D-08 RED scaffolds); typecheck clean