Surface TypeScript quality setup inventory

[devnexus-automation]

Summary

• Add quality setup facts to the TypeScript setup inventory: quality scripts, Sonar config/workflow files, and ignored local quality runtime paths.
• Surface quality setup in worker context and briefing fragments so agents can choose the right local checks before editing.
• Ignore local quality scan output and update AGENTS.md with the quality snapshot/delta workflow.

Verification

• npm test -- src/devNexusTypeScriptPlugin.test.ts src/typeScriptProjectSetupInventory.test.ts src/typeScriptWorkerGuidance.test.ts
• npm run check
• TypeScript quality snapshot: 0 findings; quality delta on touched files unchanged.