plugin improvements; attempt to make AI life easier (incomplete and weak)

.junie/guidelines.md

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+# Lyng Project Guidelines
+
+This project uses the Lyng scripting language for multiplatform scripting.
+
+## Coding in Lyng
+When writing, refactoring, or analyzing Lyng code:
+- **Reference**: Always use `LYNG_AI_SPEC.md` in the project root as the primary source of truth for syntax and idioms.
+- **File Extensions**: Use `.lyng` for all script files.
+- **Implicit Coroutines**: Remember that all Lyng functions are implicitly coroutines; do not look for `async/await`.
+- **Everything is an Expression**: Leverage the fact that blocks, if-statements, and loops return values.
+- **Maps vs Blocks**: Be careful: `{}` is a block/lambda, use `Map()` for an empty map.