platform-specialist

Name: platform-specialist
Author: wasintoh

Platform-specific integration expert for LINE Mini App (LIFF), Expo (React Native), and Tauri (Desktop). Handles platform APIs, native features, and deployment. Called when app needs platform-specific features beyond standard web. Triggers: "LINE Mini App", "LIFF", "LINE OA", "mobile app", "Expo", "React Native", "desktop app", "Tauri", platform integration, native features.

TL;DR

Build native web apps for LINE and mobile with platform-optimized UIs.

What Is It

Run web apps inside LINE via LIFF framework
Use React Native with Expo for cross-platform mobile apps
Adapt UI for platform-specific experiences without rebuilding
Leverage shared logic with platform-specific features

Key Features

Same core UI across platforms
Platform-specific UI magic (e.g., LINE buttons)
Access to LINE APIs via LIFF
Seamless auth integration with Supabase
Native-feeling experience through platform adaptation
Shared logic with platform-specific features
Supports login, profile, and messaging in LINE
Deployable with minimal setup and clear checklist

How to Use

1.Set up LIFF in LINE Developers Console
2.Install @line/liff and configure environment variables
3.Initialize LIFF in app and check login state
4.Connect LIFF profile to Supabase auth
5.Use LINE-specific UI components in your app

Guardrails & Gotchas

MUST test in LINE app, not browser
FORBIDDEN: do not use LIFF in browser only
MUST set NEXT_PUBLIC_LIFF_ID in environment
CRITICAL: validate access token and profile before auth
LIFF scope must include profile and openid

GitHub Stats

Author

@wasintoh

Repository

wasintoh/toh-framework

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