Add license info, update readmes

THIRD_PARTY_LICENSES.md

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+# Third-Party Licenses
+
+This project uses components and libraries from third parties. Below is a list of these components and their respective licenses.
+
+## shadcn/ui Components
+
+The following UI components in `src/components/ui/` are derived from [shadcn/ui](https://ui.shadcn.com):
+
+- `button.tsx`
+- `card.tsx`
+- `input.tsx`
+- `label.tsx`
+- `popover.tsx`
+- `select.tsx`
+- `separator.tsx`
+- `slider.tsx`
+- `switch.tsx`
+- `tooltip.tsx`
+
+**License**: MIT License
+**Copyright**: (c) 2023 shadcn
+**Source**: https://ui.shadcn.com
+
+```
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+```
+
+## npm Dependencies
+
+The following dependencies are included via npm and are listed in `package.json`:
+
+### Radix UI Primitives (MIT License)
+- `@radix-ui/react-label`
+- `@radix-ui/react-popover`
+- `@radix-ui/react-select`
+- `@radix-ui/react-separator`
+- `@radix-ui/react-slider`
+- `@radix-ui/react-slot`
+- `@radix-ui/react-switch`
+- `@radix-ui/react-tooltip`
+
+**Source**: https://www.radix-ui.com/
+**License**: MIT
+
+### Other Key Dependencies
+
+- **React** (MIT License) - UI framework
+- **Recharts** (MIT License) - Charting library
+- **Tailwind CSS** (MIT License) - CSS framework
+- **lucide-react** (ISC License) - Icon library
+- **clsx** (MIT License) - Utility for class names
+- **class-variance-authority** (Apache 2.0) - Variant management
+- **tailwind-merge** (MIT License) - Tailwind class merging
+
+For a complete list of dependencies and their licenses, see `package.json` and run `npm list` or check each package's LICENSE file in `node_modules/`.
+
+## Additional Notes
+
+This project follows the "copy-paste" component pattern from shadcn/ui, where components are copied into the source code rather than imported as a dependency. This allows for full customization while maintaining proper attribution.
+
+All third-party software is used in accordance with their respective licenses.