chore: remove deprecated Streamlit app service from cloud compose (closes #104)

Vue+FastAPI (api+web services) is the only frontend. The peregrine-cloud
Streamlit container was still running alongside the new stack and is now
removed. Port 8505 freed.

compose.cloud.yml

@@ -6,46 +6,15 @@
 # Caddy injects the Directus session cookie as X-CF-Session header before forwarding.
 # cloud_session.py resolves user_id → per-user db_path at session init.
 #
+# Services: api (FastAPI :8601), web (Vue :8508), searxng (internal)
+# Streamlit app service removed — Vue+FastAPI is the only frontend (peregrine#104).
+#
 # Usage:
 #   docker compose -f compose.cloud.yml --project-name peregrine-cloud up -d
 #   docker compose -f compose.cloud.yml --project-name peregrine-cloud down
-#   docker compose -f compose.cloud.yml --project-name peregrine-cloud logs app -f
+#   docker compose -f compose.cloud.yml --project-name peregrine-cloud logs api -f
 
 services:
-  app:
-    build:
-      context: ..
-      dockerfile: peregrine/Dockerfile.cfcore
-    container_name: peregrine-cloud
-    ports:
-      - "8505:8501"
-    volumes:
-      - /devl/menagerie-data:/devl/menagerie-data  # per-user data trees
-      - ./config/llm.cloud.yaml:/app/config/llm.yaml:ro  # cloud-safe backends only (no claude_code/copilot/anthropic)
-    environment:
-      - CLOUD_MODE=true
-      - CLOUD_DATA_ROOT=/devl/menagerie-data
-      - DIRECTUS_JWT_SECRET=${DIRECTUS_JWT_SECRET}
-      - CF_SERVER_SECRET=${CF_SERVER_SECRET}
-      - PLATFORM_DB_URL=${PLATFORM_DB_URL}
-      - HEIMDALL_URL=${HEIMDALL_URL:-http://cf-license:8000}
-      - HEIMDALL_ADMIN_TOKEN=${HEIMDALL_ADMIN_TOKEN}
-      - STAGING_DB=/devl/menagerie-data/cloud-default.db  # fallback only — never used
-      - DOCS_DIR=/tmp/cloud-docs
-      - STREAMLIT_SERVER_BASE_URL_PATH=peregrine
-      - PYTHONUNBUFFERED=1
-      - PEREGRINE_CADDY_PROXY=1
-      - CF_ORCH_URL=http://host.docker.internal:7700
-      - CF_APP_NAME=peregrine
-      - DEMO_MODE=false
-      - FORGEJO_API_TOKEN=${FORGEJO_API_TOKEN:-}
-    depends_on:
-      searxng:
-        condition: service_healthy
-    extra_hosts:
-      - "host.docker.internal:host-gateway"
-    restart: unless-stopped
-
   api:
     build:
       context: ..