[Graphite MQ] Draft PR GROUP:spec_5f5ca7 (PRs 404)

[graphite-app]

This draft PR was created by the Graphite merge queue.
Trunk will be fast forwarded to the HEAD of this PR when CI passes, and the original PRs will be closed.

The following PRs are included in this draft PR:

• #404

[github-actions]

	Warnings
⚠️	PR description is missing a ## Test Plan (or ## Testing Instructions) section. Add one describing how a reviewer can verify your change, or check No test plan needed if no testing is needed.
⚠️	PR is marked WIP / draft — do not merge until ready for review.
⚠️	New TypeScript source files were added without any new tests: apps/native/src/hooks/use-system-defaults-scan.ts

📋 PR Overview

Lines changed	513 (+428 / -85)
Files	1 added, 15 modified, 0 deleted
Draft / WIP	yes
Has Test Plan	no
No Test Plan Needed	no
New UI components	no
New Storybook stories	no
New Rust modules	no
New TS source files	yes (1)
New tests	no
package.json touched	no
Cargo.toml touched	no
Infra / CI touched	no

🔬 Coverage

Report	Lines	Statements	Functions	Branches
apps/native/coverage/coverage-summary.json	25.8%	26.0%	24.9%	18.8%

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