bug(tooling-core): ProcessingStatus value is "needsUpdate" but README documents it as "needs update"

[datalackey]

Summary

ProcessingStatus in src/repository/types.ts:22 uses camelCase "needsUpdate", but README.md:35 documents the value as "needs update" (two words with a space).

Any plugin author who copy-pastes the value from the README will get a TypeScript type error.

Affected files

• javascript/tooling-core/src/repository/types.ts:22 — actual value: "needsUpdate"
• javascript/tooling-core/README.md:35 — documented value: "needs update"

Fix

Update README.md to use "needsUpdate" (camelCase) to match the TypeScript union type.