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    Claude CodeClaude CodeCursorCursorCodex CLICodex CLIMuseMuseDotsDots+22 more

    Flutter App Architect — Build Better Cross-Platform Apps

    1

    Design and review Flutter journeys, state ownership, async behavior and platform boundaries with explicit validation, compatibility and release gaps.

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    Flutter App Architect — Build Better Cross-Platform Apps

    Flutter App Architect — Build Better Cross-Platform Apps

    Example session with this skill installed

    Illustrative scenario: A Flutter search screen sends requests as the user types, and older responses sometimes replace newer results. No code, package versions or test environment is supplied. Propose a version-neutral state and validation design without claiming a tested fix.

    • Read your context and instructions
    • Compiled the flutter app architect

    Problem status: User-reported stale-response behavior; code path and root cause not independently verified.

    State design: Keep current query, request generation/identity, loading status, accepted results and error state under a clear owner. Derived display state should not duplicate mutable truth.

    Response rule: Associate each request with the query/generation that created it. Apply a response only if it still matches the current accepted request and the owning state remains active. Debouncing may reduce requests but does not alone prevent stale responses.

    Lifecycle: On disposal or navigation, prevent obsolete completions from mutating active UI. Actual cancellation support depends on the HTTP/client API and versions; no package capability assumed.

    UI states: Empty query, loading, results, no results, error and retry. Preserve intended behavior for stale results during loading through an explicit product decision.

    Validation cases: A request for “a” returns after “ab”; rapid edits; cleared query; error on an obsolete request; navigation during a request; retry; disposal. Confirm only relevant responses update the screen and errors.

    Evidence needed: Flutter/Dart versions, actual owner and async code, request client, navigation/lifecycle behavior and representative tests.

    Execution: Design guidance only. No project opened, code edited, package researched, build run or race fix verified.

    Connects securely to your tools. The creator never sees your data.

    About this skill

    Flutter App Architect helps teams structure production cross-platform applications from actual goals, project versions, data flows and constraints. It traces user journeys through widgets, state, asynchronous services and persistence, separating temporary, derived, server and shared state.

    The skill plans loading, empty, error, cancellation, offline and recovery behavior, navigation, accessibility, localization, testing and release concerns. State-management choices follow ownership and lifecycle, while performance work follows measured bottlenecks. Platform differences remain explicit.

    Works in ChatGPT and Claude with authorized project material or host tools. Current package and platform behavior requires version-specific verification. Static review does not establish successful builds, device compatibility, accessibility or store approval; no execution evidence is invented.

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