chore: sync accumulated infra changes and docs

Removals: openwebui and netclaw compose + Traefik routes (both decommissioned).
Updates: litellm, n8n, vaultwarden, ai-agents, media, traefik routes, CLAUDE.md
(nodes/ports/known-issues), agent definitions.
Additions: Rongorongo tree, LinkedStorm plan, rename-bart spec, vllm brief,
tls-options and security-headers Traefik config.

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

Rongorongo/_extracted/rongorongo/Dockerfile

@@ -0,0 +1,18 @@
+FROM nginx:1.25-alpine
+
+# Remove default nginx static content
+RUN rm -rf /usr/share/nginx/html/*
+
+# Copy app
+COPY frontend/index.html /usr/share/nginx/html/index.html
+
+# Copy nginx config
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Healthcheck
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget -qO- http://localhost/health || exit 1
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]