Update CLAUDE.md for clarity and consistency

Author: aboodman

CLAUDE.md

@@ -2,9 +2,9 @@
 
 ## Code Quality
 1. **Always run lint and format after every change** - This ensures code consistency and catches potential issues early.
-2. **TypeScript checking must pass before every commit** - Most packages have a `type-check` command that must pass before committing changes.
+2. **Always run TS checks after every change** - Most packages have a `type-check` command that must pass before committing changes.
 
 ## TypeScript Conventions
-2. **Optional fields convention**: In this codebase, whenever there's an optional field (marked with `?`), the type is always explicitly defined as `type | undefined`. 
+1. **Optional fields convention**: In this codebase, whenever there's an optional field (marked with `?`), the type is always explicitly defined as `type | undefined`. 
    - Example: `foo?: number | undefined` (not just `foo?: number`)
-   - You can always explicitly pass `undefined` for optional fields in this codebase
+   - You can always explicitly pass `undefined` for optional fields in this codebase