refactor(images): pull from registry instead of building; add build.sh for local dev

README.md

@@ -92,11 +92,12 @@ Then run `./claude.sh run` and follow the prompt. Credentials are stored in the
 ### CLI mode
 
 ```bash
-# Build images, start proxy, launch Claude Code in the current directory
+# Start proxy, launch Claude Code in the current directory
+# (pulls images from registry.zeidler.dev on first run)
 cd ~/myproject
 ./claude.sh start
 
-# Start proxy if needed, launch Claude Code (faster on subsequent runs)
+# Start proxy if needed, launch Claude Code
 ./claude.sh run
 ```
 
@@ -123,13 +124,22 @@ sbx ports <sandbox-name> --publish 7681:7681/tcp
 
 ```bash
 ./claude.sh stop          # Stop and remove all containers
-./claude.sh update        # Rebuild images without cache
+./claude.sh update        # Pull latest images from the registry
 ./claude.sh logs          # Tail proxy logs
 ./claude.sh logs webui    # Tail web interface logs
 ./claude.sh status        # Show container status
 ./claude.sh shell         # Debug bash shell in the Claude container
 ```
 
+### Building locally
+
+`build.sh` builds both images from source using the local Dockerfiles:
+
+```bash
+./build.sh              # build with layer cache
+./build.sh --no-cache   # force full rebuild
+```
+
 ### Workspace
 
 | Mode | Workspace |