sciagent code + Gitea Actions CI/CD

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

fe0/nginx/default.conf

@@ -0,0 +1,45 @@
+# Production SPA + API reverse proxy (fe0 container, port 8080).
+# TLS terminates on the host reverse proxy (Caddy/nginx); this listens HTTP inside Docker.
+
+server {
+    listen 8080;
+    server_name _;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-Frame-Options "DENY" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+
+    client_max_body_size 50m;
+
+    location /api/ {
+        proxy_pass http://be0:4402;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_connect_timeout 300;
+        proxy_send_timeout 300;
+        proxy_read_timeout 300;
+    }
+
+    location /submitted-initiatives/ {
+        proxy_pass http://be0:4402;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    location /assets/ {
+        expires 7d;
+        try_files $uri =404;
+    }
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}