diff --git a/AGENTS.md b/AGENTS.md
index 7c571df..92d9137 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -42,7 +42,7 @@ disinto/                 (code repo)
 │                  jobs/ — Nomad jobspecs: forgejo.hcl (Vault secrets via template, S2.4); woodpecker-server.hcl + woodpecker-agent.hcl (host-net, docker.sock, Vault KV, S3.1-S3.2); agents.hcl (7 roles, llama, Vault-templated bot tokens, S4.1); vault-runner.hcl (parameterized batch dispatch, S5.3); staging.hcl (Caddy file-server, dynamic port — edge discovers via service registration, S5.2); chat.hcl (Claude chat UI, tmpfs via mount block, Vault OAuth secrets, S5.2); edge.hcl (Caddy proxy + dispatcher sidecar, S5.1)
 ├── projects/      *.toml.example — templates; *.toml — local per-box config (gitignored)
 ├── formulas/      Issue templates (TOML specs for multi-step agent tasks)
-├── docker/        Dockerfiles and entrypoints: reproduce, triage, edge dispatcher, chat (server.py, entrypoint-chat.sh, Dockerfile, ui/)
+├── docker/        Dockerfiles and entrypoints: reproduce, triage, edge (Caddy + chat server subprocess + dispatcher), chat (server.py, ui/ — copied into edge image at build time)
 ├── tools/         Operational tools: edge-control/ (register.sh, install.sh, verify-chat-sandbox.sh)
 │                  vault-apply-policies.sh, vault-apply-roles.sh, vault-import.sh — Vault provisioning (S2.1/S2.2)
 │                  vault-seed-<svc>.sh — per-service Vault secret seeders; auto-invoked by `bin/disinto --with <svc>` (add a new file to support a new service)
diff --git a/docker-compose.yml b/docker-compose.yml
index 42a02be..bca9ab9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -243,6 +243,10 @@ services:
       - EDGE_TUNNEL_FQDN=${EDGE_TUNNEL_FQDN:-}
       - EDGE_TUNNEL_FQDN_CHAT=${EDGE_TUNNEL_FQDN_CHAT:-}
       - EDGE_ROUTING_MODE=${EDGE_ROUTING_MODE:-subpath}
+      # Cost caps / rate limiting (#711)
+      - CHAT_MAX_REQUESTS_PER_HOUR=${CHAT_MAX_REQUESTS_PER_HOUR:-60}
+      - CHAT_MAX_REQUESTS_PER_DAY=${CHAT_MAX_REQUESTS_PER_DAY:-500}
+      - CHAT_MAX_TOKENS_PER_DAY=${CHAT_MAX_TOKENS_PER_DAY:-1000000}
     ports:
       - "80:80"
       - "443:443"