Add inspector overlay workflow and deterministic debug bundle export

[RtlZeroMemory]

Summary

• add a first-class inspector overlay widget and createAppWithInspectorOverlay helper with runtime hotkey toggle (ctrl+shift+i by default)
• capture runtime breadcrumb metadata for focus, cursor, damage, frame state, event routing path, and last action with disabled-state overhead guards
• add deterministic debug bundle export APIs (exportBundle, exportBundleBytes) with schema version rezi-debug-bundle-v1, bounded payload snapshots, terminal caps snapshot support, and optional recent frame summaries
• document overlay enablement, bundle export usage, bundle contents, and privacy guidance in the debugging guide

Testing

• npm run lint
• npm run typecheck
• npm run build
• npm test
• npm run test:e2e
• npm run test:e2e:reduced
• npm run test:native:smoke

[chatgpt-codex-connector]

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