Add source pagination and chunk tree links

[suguanYang]

Summary

• Add a Notebook /inspect/:documentId/chunks route that opens the workspace with the matching document selected in parsed chunk tree view.
• Add chunk-tree links to ready source rows.
• Paginate the sources panel at 25 visible workspace sources per page while keeping the full source set available to chat/retrieval state.

Verification

• ./node_modules/.bin/vitest run src/components/sources-panel.test.ts src/components/source-row.test.ts src/components/workspace-source-state.test.ts --config vitest.config.ts
• ./node_modules/.bin/eslint 'src/app/inspect/[documentId]/chunks/page.tsx' src/components/source-row.test.ts src/components/source-row.tsx src/components/sources-panel.test.ts src/components/sources-panel.tsx src/components/workspace-shell.tsx src/components/workspace-source-state.test.ts src/components/workspace-source-state.ts src/components/workspace-source-workflow.ts
• ./node_modules/.bin/tsc --noEmit --pretty false
• ./node_modules/.bin/next build
• git diff --check

Note: Next build still emits the existing workspace-root/SWC lockfile warnings; generated lockfile churn was removed after the successful build.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
knowhere-notebook-staging	Ready	Preview, Comment	Jun 27, 2026 11:11am

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
knowhere-notebook	Ignored		Jun 27, 2026 11:11am