Include all dependencies and tests in Docker image

- Add tests/ to Docker image for in-container testing
- Install [all,dev] dependencies (includes Flask, registry, TUI)
- Make integration tests configurable via REGISTRY_URL env var
- Add error handling to publish test fixture for rate limiting

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Dockerfile

@@ -32,9 +32,10 @@ COPY pyproject.toml README.md ./
 COPY src/ ./src/
 COPY examples/ ./examples/
 COPY docs/ ./docs/
+COPY tests/ ./tests/
 
-# Install SmartTools and dependencies
-RUN pip install --no-cache-dir -e ".[dev]"
+# Install SmartTools and all dependencies (CLI, TUI, registry)
+RUN pip install --no-cache-dir -e ".[all,dev]"
 
 # Create smarttools directory
 RUN mkdir -p /root/.smarttools /root/.local/bin