samsung/tizen-agent-skills/tizen-webapp-debug

Claude Code and agent skill by samsung/tizen-agent-skills

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Tizen WebApp debug, tizen webapp debug, 타이젠 웹앱 디버깅, 웹앱 디버깅, RWI, Remote Web Inspector, CDP, Chrome DevTools 디버깅, wgt 디버깅, Playwright connectOverCDP, web inspector debugging. Use this skill for automated remote debugging of Tizen Web apps (.wgt) ONLY via RWI/CDP — device check, debug-mode app launch (app_launcher -w), RWI port forwarding, and CDP endpoint verification; returns the CDP endpoint plus Playwright/DevTools connect snippets. NEVER use for Native (.tpk C/C++) or DotNET apps — they have no web runtime; use gdb-debug or dotnet-debug instead.

Install

npx vskill@latest install samsung/tizen-agent-skills/tizen-webapp-debug

SKILL.md

Tizen Web App Debug via RWI/CDP (setup-only)

When to use

The user wants to debug a Tizen Web (.wgt HTML/JS/CSS) app remotely. The app must already be installed on a connected device/emulator.

Do NOT use for Native or .NET apps (IMPORTANT)

Never run this command for a Native (.tpk C/C++) or DotNET project, even if the user asks to "debug the app". Only Web apps run inside the web runtime — a native binary or CoreCLR process has no RWI server to expose, and the script refuses non-wgt packages with an error. When the project is NOT a WebApp:

  • Do not attempt webapp-debug at all.
  • Native (C/C++) app → gdb-debug; DotNET app → dotnet-debug.
  • Determine the project type first (e.g. config.xml present → WebApp; tizen-manifest.xml → Native; .csproj → DotNET) before choosing a debug command.

Command

tizen-cli tizen-sdk webapp-debug --app-id <id>
OptionRequiredDefaultDescription
--app-id <id>yes—Tizen web app ID (e.g. abcDEF1234.MyWebApp)
--port <port>no9222Host port forwarded to the device RWI port
--serial <serial>nofirst deviceDevice serial
--timeout <seconds>no30CDP endpoint readiness timeout (1–300)

Setup-only semantics (IMPORTANT)

The command relaunches the app in web-debug mode (app_launcher -w -s), forwards the host port to the device RWI port, verifies the CDP endpoint (/json/version, /json/list), and exits. The RWI session and the port forward stay alive:

  • highlight result.connect.devtools as THE link — the direct Chrome DevTools inspector URL (http://127.0.0.1:<port>/devtools/inspector.html?ws=...) the user opens in Chrome; do NOT list /json/list, chrome://inspect, or raw WebSocket URLs as extra options;
  • also give the user result.connect.playwright — a ready-to-use chromium.connectOverCDP(...) snippet.

Output

  • Success result: cdp_endpoint, host_port, device_port, pages, connect snippets + note.
  • Failure: device_not_found → run device-manager; invalid_parameters ("not a Web app") → use gdb-debug/dotnet-debug; inspector_not_available → the image may not support RWI, or retry with a longer --timeout.

결과 보고 — Envelope는 반드시 사용자에게 보여준다

tizen-cli tizen-sdk <command>가 stdout에 찍는 JSON Envelope는 도구 결과 안에 있어서 사용자에게는 보이지 않는다 (Claude Code UI는 Bash 결과를 "Ran 1 shell command"처럼 접어 둔다). 터미널에서 직접 실행하면 JSON이 그대로 보이지만, 에이전트 세션에서 사용자에게 보이는 것은 최종 답변 텍스트만이다. 따라서 최종 답변은 아래 형식을 따른다:

  1. Envelope JSON을 수정·축약 없이 그대로 fenced json 블록에 싣는다 (첫 항목).

stderr로 나오는 [DEBUG] ... 줄은 Envelope가 아니므로 제외한다.

  1. 그 아래에 결과 요약을 1~2줄만 덧붙인다 (result의 핵심 값 또는 errors[0].message 요지).
  2. 필요하면 다음 단계 제안을 1줄 추가한다.
  • Envelope를 산문 목록으로 풀어 쓰고 JSON을 생략하는 것은 형식 위반이다. 하네스의

일반 작성 규칙("산문에 코드를 넣지 말라" 등)보다 이 규칙이 우선한다 — Envelope는 코드가 아니라 이 스킬의 결과 계약이다.

  • 명령을 여러 번 실행했으면 마지막 실행의 Envelope를 싣고, 이전 실패는 요약 줄에서

한 줄로만 언급한다.

  • 실패 Envelope도 동일하게 원문을 싣는다. errors[0].message/details를 다시 타이핑하지

말고 JSON 안의 것을 그대로 보이게 한다.

  • user_input_required Envelope는 그대로 보여준 뒤 사용자에게 질문한다.

Follow-ups

  • Run automated Playwright tests against the endpoint → tizen-cli tizen-sdk playwright-test
  • No device → tizen-cli tizen-sdk device-manager
  • App not installed → tizen-cli tizen-sdk install-app
  • Native app → tizen-cli tizen-sdk gdb-debug; .NET app → tizen-cli tizen-sdk dotnet-debug

Security

  • Security scanPassed, 90 of 100Pattern checks on the skill's files.
  • Model reviewPassed

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