feat: add aruco-svo-calibration plan and utils scripts

- Add comprehensive work plan for ArUco-based multi-camera calibration
- Add recording_multi.py for multi-camera SVO recording
- Add streaming_receiver.py for network streaming
- Add svo_playback.py for synchronized playback
- Add zed_network_utils.py for camera configuration
- Add AGENTS.md with project context

py_workspace/AGENTS.md

@@ -0,0 +1,37 @@
+# Python Agent Context
+
+## Environment
+- **Directory**: `/workspaces/zed-playground/py_workspace`
+- **Package Manager**: `uv`
+- **Python Version**: 3.12+ (Managed by `uv`)
+- **Dependencies**: Defined in `pyproject.toml`
+  - `pyzed`: ZED SDK Python wrapper
+  - `opencv-python`: GUI and image processing
+  - `click`: CLI argument parsing
+  - `numpy`, `cupy-cuda12x`: Data manipulation
+
+## Workflow & Commands
+- **Run Scripts**: Always use `uv run` to ensure correct environment.
+  ```bash
+  uv run streaming_receiver.py --help
+  uv run recording_multi.py
+  ```
+- **New Dependencies**: Add with `uv add <package>` (e.g., `uv add requests`).
+
+## Architecture & Patterns
+- **Network Camera Handling**:
+  - Use `zed_network_utils.py` for all network config parsing.
+  - Config file: `/workspaces/zed-playground/zed_settings/inside_network.json`
+- **Threading Model**:
+  - **Main Thread**: MUST handle all OpenCV GUI (`cv2.imshow`, `cv2.waitKey`).
+  - **Worker Threads**: Handle `camera.grab()` and data retrieval.
+  - **Communication**: Use `queue.Queue` to pass frames from workers to main.
+- **ZED API Patterns**:
+  - Streaming Input: `init_params.set_from_stream(ip, port)`
+  - Serial Number: Use `camera.get_camera_information().serial_number`.
+
+## Documentation & References
+- **Python API Docs**: `/usr/local/zed/doc/API/html/python/index.html`
+- **ZED SDK General Docs**: `/usr/local/zed/doc/`
+- **C++ Headers (Reference)**: `/usr/local/zed/include/sl/`
+  - Useful for understanding underlying enum values or behaviors not fully detailed in Python docstrings.