- explicit SecurityConfig authorization for /swagger-ui*, /v3/api-docs*, /webjars/**
- public for local/default profile; admin-only (ROLE_ADMIN) by default in production DB profiles
- override via MATECLAW_OPENAPI_EXPOSE_UI; add RANDOM_PORT integration tests and docs
Surface the connected database product as a subtle chip in the Dashboard
header. SystemHealthService now reports a database label on /system/health
(reused by the front-end — no extra request), derived from a new
DatabaseBootstrapRunner.getDatabaseLabel() that reads the JDBC product name
once and normalizes it to a canonical label (MySQL / MariaDB / PostgreSQL /
H2, and 人大金仓 for the KingbaseES family), collapsing driver version noise.
