1. Prerequisites Physical iPhone: not supported; every tool rejects . For React Native (iOS / Android) : requires Metro dev server running (default ) and a React Native app connected to Metro (at least one CDP target). Verify via : it returns or with a and (it does not fail when the debugger is unreachable). For Vega (Fire TV) : requires a Debug (a Release build never attaches) and Metro reachable from the device ( ). Verify via . , , and the / tools are unavailable there; see the skill. For Chromium (CDP) : requires a Chromium/CDP app already available; an Electron app booted via with , or a…