chore: Add AGENT.md for pyright-scip development instructions

Author: varungandhi-src

packages/pyright-scip/AGENT.md

@@ -0,0 +1,22 @@
+# Agent Instructions for pyright-scip
+
+## Development Commands
+
+### Testing
+- `npm test` - Run Jest tests
+- `npm run check-snapshots` - Check snapshot tests
+- `npm run update-snapshots` - Update snapshot tests
+
+### Building
+- `npm run webpack` - Development build
+- `npm run build` - Production build
+- `npm run watch` - Development build with watch mode
+
+### Linting and Formatting
+- `npm run fix:prettier` - Fix prettier formatting issues
+- `npm run fix:eslint` - Fix ESLint issues
+
+## Code Style
+- Follow existing TypeScript patterns in the codebase
+- Use the Sourcegraph ESLint config and Prettier config
+- When modifying pyright-internal code, keep changes minimal and add `NOTE(scip-python):` prefix to comments