Add runtime provider controls and searchable AI routing

Manage provider keys at runtime, route current-information questions through server-side search with safe fallback, and scope OOBE usage claims to grants.

deploy/smoke-local.sh

@@ -477,9 +477,9 @@ WHERE version IS NOT NULL
 ORDER BY installed_rank;
 SQL
 )"
-EXPECTED_MIGRATIONS="$(seq 1 26 | awk '{ print $1 ":1" }')"
+EXPECTED_MIGRATIONS="$(seq 1 27 | awk '{ print $1 ":1" }')"
 [[ "$MIGRATIONS" == "$EXPECTED_MIGRATIONS" ]] ||
-    fail "Flyway history was not exactly successful V1-V26"
+    fail "Flyway history was not exactly successful V1-V27"
 REFERRAL_REWARDS="$(
     mysql_root --batch --skip-column-names osg_account_smoke <<'SQL'
 SELECT CONCAT(inviter_reward_credits, ':', invitee_reward_credits)