feat: add IndeedHub as submodule, full stack in demo compose

IndeedHub source included as git submodule at ./indeedhub/.
Demo compose builds all services from source — no registry needed.
Stack: app, api, postgres, redis, minio, relay.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "indeedhub"]
+	path = indeedhub
+	url = https://git.tx1138.com/lfg2025/indeehub.git

docker-compose.demo.yml

@@ -11,7 +11,7 @@ services:
       dockerfile: neode-ui/Dockerfile.backend
     container_name: archy-demo-backend
     environment:
-      VITE_DEV_MODE: "existing"  # Skip setup/onboarding, go straight to login
+      VITE_DEV_MODE: "existing"
       ANTHROPIC_API_KEY: ${ANTHROPIC_API_KEY:-}
       NODE_OPTIONS: "--dns-result-order=ipv4first"
     expose:
@@ -38,12 +38,144 @@ services:
     restart: unless-stopped
 
   # ══════════════════════════════════════════════════════════════
-  # IndeedHub — Pre-built image from registry (demo mode)
+  # IndeedHub — Built from submodule (indeedhub/)
   # ══════════════════════════════════════════════════════════════
 
   indeedhub:
-    image: git.tx1138.com/lfg2025/indeedhub:latest
+    build:
+      context: ./indeedhub
+      dockerfile: Dockerfile
+      args:
+        VITE_USE_MOCK_DATA: "false"
+        VITE_INDEEHUB_API_URL: /api
+        VITE_INDEEHUB_CDN_URL: /storage
+        VITE_NOSTR_RELAYS: ""
     container_name: indeedhub
     ports:
       - "7777:7777"
+    depends_on:
+      - indeedhub-api
+      - indeedhub-relay
+    networks:
+      - default
+      - indeedhub
     restart: unless-stopped
+
+  indeedhub-api:
+    build:
+      context: ./indeedhub/backend
+      dockerfile: Dockerfile
+    container_name: indeedhub-api
+    environment:
+      ENVIRONMENT: production
+      PORT: 4000
+      DOMAIN: ${DOMAIN:-localhost}
+      FRONTEND_URL: ${FRONTEND_URL:-http://localhost:7777}
+      DATABASE_HOST: indeedhub-postgres
+      DATABASE_PORT: 5432
+      DATABASE_USER: indeedhub
+      DATABASE_PASSWORD: indeedhub
+      DATABASE_NAME: indeedhub
+      QUEUE_HOST: indeedhub-redis
+      QUEUE_PORT: 6379
+      S3_ENDPOINT: http://indeedhub-minio:9000
+      AWS_REGION: us-east-1
+      AWS_ACCESS_KEY: minioadmin
+      AWS_SECRET_KEY: minioadmin
+      S3_PRIVATE_BUCKET_NAME: indeedhub-private
+      S3_PUBLIC_BUCKET_NAME: indeedhub-public
+      S3_PUBLIC_BUCKET_URL: /storage
+      NOSTR_JWT_SECRET: demo-jwt-secret-change-in-production
+      NOSTR_JWT_EXPIRES_IN: 7d
+      AES_MASTER_SECRET: demo-aes-secret-change-in-production
+    depends_on:
+      indeedhub-postgres:
+        condition: service_healthy
+      indeedhub-redis:
+        condition: service_started
+    networks:
+      - indeedhub
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:4000/nostr-auth/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+      start_period: 60s
+
+  indeedhub-postgres:
+    image: postgres:16-alpine
+    container_name: indeedhub-postgres
+    environment:
+      POSTGRES_USER: indeedhub
+      POSTGRES_PASSWORD: indeedhub
+      POSTGRES_DB: indeedhub
+    volumes:
+      - indeedhub-pgdata:/var/lib/postgresql/data
+    networks:
+      - indeedhub
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U indeedhub"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
+
+  indeedhub-redis:
+    image: redis:7-alpine
+    container_name: indeedhub-redis
+    command: redis-server --appendonly yes
+    volumes:
+      - indeedhub-redis:/data
+    networks:
+      - indeedhub
+    restart: unless-stopped
+
+  indeedhub-minio:
+    image: minio/minio:latest
+    container_name: indeedhub-minio
+    command: server /data --console-address ":9001"
+    environment:
+      MINIO_ROOT_USER: minioadmin
+      MINIO_ROOT_PASSWORD: minioadmin
+    volumes:
+      - indeedhub-minio:/data
+    networks:
+      - indeedhub
+    restart: unless-stopped
+
+  indeedhub-minio-init:
+    image: minio/mc:latest
+    container_name: indeedhub-minio-init
+    depends_on:
+      - indeedhub-minio
+    entrypoint: >
+      /bin/sh -c "
+      sleep 5;
+      mc alias set local http://indeedhub-minio:9000 minioadmin minioadmin;
+      mc mb local/indeedhub-private --ignore-existing;
+      mc mb local/indeedhub-public --ignore-existing;
+      mc anonymous set download local/indeedhub-public;
+      "
+    networks:
+      - indeedhub
+    restart: "no"
+
+  indeedhub-relay:
+    image: scsibug/nostr-rs-relay:latest
+    container_name: indeedhub-relay
+    volumes:
+      - indeedhub-relay:/usr/src/app/db
+    networks:
+      - indeedhub
+    restart: unless-stopped
+
+networks:
+  indeedhub:
+
+volumes:
+  indeedhub-pgdata:
+  indeedhub-redis:
+  indeedhub-minio:
+  indeedhub-relay: