fix(deploy): pin distinct image tags per compose (booklib/{api,web}:{dev,prod}); same project name shared default tags so dev up without --build ran the prod image

deploy/docker-compose.dev.yml

@@ -16,6 +16,7 @@ services:
       - ./redis/redis.conf:/usr/local/etc/redis/redis.conf:ro
       - redis_data:/data
   api:
+    image: booklib/api:dev
     build: { context: .., dockerfile: backend/Dockerfile.dev, target: dev }
     command: sh -c "go mod download && dlv debug ./cmd/server --headless --listen=0.0.0.0:2345 --api-version=2 --accept-multiclient --continue --log"
     environment:
@@ -35,11 +36,12 @@ services:
       postgres: { condition: service_healthy }
       redis: { condition: service_started }
   web:
-    build: { context: .., dockerfile: web/Dockerfile.dev, target: dev }
+    image: booklib/web:dev
+    build: { context: .., dockerfile: frontend/Dockerfile.dev, target: dev }
     command: npm run dev -- --host 0.0.0.0
     environment: { VITE_PROXY_TARGET: http://api:8080 }
     volumes:
-      - ../web:/app
+      - ../frontend:/app
       - /app/node_modules
     ports: ["5173:5173"]
     depends_on: [api]