Add white theme, post delete, and passkey authentication

- Rewrite CSS to light/white theme
- Add delete button (auth-gated) with confirm dialog
- Add passkey register/login/logout routes via @simplewebauthn
- Gate compose form and delete behind session authentication
- Add credentials table to SQLite schema
- Add SESSION_SECRET and WebAuthn env vars to docker-compose

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/app/routes.ts b/app/routes.ts
index e839849..8ca1209 100644
--- a/app/routes.ts
+++ b/app/routes.ts
@@ -3,4 +3,7 @@ import { type RouteConfig, index, route } from "@react-router/dev/routes";
 export default [
   index("routes/home.tsx"),
   route("/api/posts", "routes/api.posts.tsx"),
+  route("/auth/register", "routes/auth.register.tsx"),
+  route("/auth/login", "routes/auth.login.tsx"),
+  route("/auth/logout", "routes/auth.logout.tsx"),
 ] satisfies RouteConfig;