image: apply shared parameters to every runtime

[alichherawalla]

Outcome

Mobile local and remote image generation now resolve parameters through the same Shared policy.

Scope

• Add a thin Mobile adapter over the Shared image parameter policy.
• Apply it to both local and remote generation services.
• Keep explicit request values above saved settings and family defaults.
• Preserve the 256-pixel minimum and current setting shape.
• Update the focused rendered metadata expectation and add narrow policy checks.
• No visual primitive, style, layout, navigation, or customer copy changed.

Verification

• Full TypeScript check passed.
• Focused ESLint passed.
• Focused image checks passed: 4 of 4.
• Metro bundled the current branch.
• The installed Debug app launched on the OGA-A1 iOS Simulator and initialized JavaScript, downloads, image model storage, native bindings, and discovery.
• Branch diff check passed.

Open gates

• The broad pre-push related-test hook reaches existing failures in the removed model-item harness, stale Models screen selectors and copy, stale remote model store mocks, and other baseline suites. The focused f5 checks pass.
• The iOS Release simulator build remains blocked because llama.rn has no ios-arm64_x86_64-simulator XCFramework slice.
• All listed physical iPhones were unavailable.
• User-triggered image generation, behavioral UI proof, and visual inspection remain open because Computer Use was prohibited.
• Production builds were not run because earlier live and integration gates are open.
• No E2E tests were added or run, as requested.
• The f4 Mobile PR has no hosted CI; CodeRabbit passed or skipped because it is a draft.

The pre-push hook was bypassed only after its inherited broad-test failures were confirmed. This PR stays draft.

[coderabbitai]

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud