G2: Gitea auto-install, own DB role, SSH deferred, Actions on

Gitea was configured to connect as a 'gitea' DB user that never existed, so it
sat unconfigured behind a working tunnel. It now gets its OWN role and database
via a first-init script — I-1 says we never write Gitea's tables, and that is
better as a permission than as a promise.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

docker-compose.yml

@@ -35,7 +35,20 @@ services:
       GITEA__database__NAME: gitea
       GITEA__database__USER: gitea
       GITEA__database__PASSWD: ${GITEA_DB_PASSWORD:?set GITEA_DB_PASSWORD}
+      GITEA__database__SSL_MODE: disable
       GITEA__repository__DEFAULT_BRANCH: main
+      # Auto-install: no wizard, no half-configured box waiting on a human.
+      GITEA__security__INSTALL_LOCK: "true"
+      GITEA__security__SECRET_KEY: ${GITEA_SECRET_KEY:?set GITEA_SECRET_KEY}
+      GITEA__server__DOMAIN: ${GITEA_DOMAIN:-app.windygit.com}
+      # G6.2 — SSH access is deferred to R1. The tunnel does HTTPS cleanly and
+      # no v0 user needs SSH. Recorded as deferred, not forgotten.
+      GITEA__server__DISABLE_SSH: "true"
+      # G7.1 — CI on our own hardware. This is the whole verification payoff.
+      GITEA__actions__ENABLED: "true"
+      # D-9 vocabulary law reaches the product name itself.
+      GITEA__DEFAULT__APP_NAME: Windy Git
+      GITEA__DEFAULT__APP_SLOGAN: Your work, every version, and agents as citizens.
       GITEA__server__ROOT_URL: ${GITEA_ROOT_URL:-http://localhost:3000/}
       # G2.2 — OIDC only. No local password login, no self-registration.
       GITEA__service__DISABLE_REGISTRATION: "true"
@@ -57,7 +70,10 @@ services:
       POSTGRES_USER: windygit
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?set POSTGRES_PASSWORD}
       POSTGRES_DB: windygit
-    volumes: ["./data/pg:/var/lib/postgresql/data"]
+      GITEA_DB_PASSWORD: ${GITEA_DB_PASSWORD:?set GITEA_DB_PASSWORD}
+    volumes:
+      - "./data/pg:/var/lib/postgresql/data"
+      - "./deploy/postgres:/docker-entrypoint-initdb.d:ro"
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U windygit"]
       interval: 5s