[trissim]

The compositor now has one _invalidate_render_projection method for clearing its layer and line caches, and discard_widgets also drops each widget's render widget and virtual DOM nodes and returns the full set. A new await_remove.py adds 55 lines, app.py loses about 50 lines, and query.py and screen.py are adjusted. Markdown also uses the widget batch at two awaited update sites.

[trissim]

Prepared ONE normal standalone Text59 wheel from frozen 1bdc18c363cbc0f938537a71aa8ba0225d03e25e using the previously retained readonly Poetry backend. No source change, new environment, native copy, dependency installation, installed package write, App or movie.

• Wheel: /home/ts/wt/textual-native-subtree-strips-20261002/.artifacts/native59-filewheel-20261004/textual-8.2.8-py3-none-any.whl
• SHA256: 73d4ca971dd2891c2a2266a0c5c8629e3e0ff55e802456ae60d0fedfe72fdbaa
• Size: 768474 bytes; backend build 0.457s.
• All266 Git/worktree/wheel assets byte-equal; no missing/extra packaged Textual assets. Dependency metadata unchanged vs retained Text58.
• Inventory: /home/ts/wt/textual-native-subtree-strips-20261002/.artifacts/native59-filewheel-20261004/source-inventory.json
• Inventory SHA256: f5337c0e251ece88e5ba2de4d29946c99a928980cae5dd180274e6dfeb6299a3
• Receipt: .artifacts/native59-filewheel-20261004/build-receipt.json.

Artifact handoff only; installed Textualize#430 modal/capture/prune/Tool acceptance remains pending actual holder grant. Native source-App negatives/controls and frozen431 candidate untouched.

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