Extension Setup

- Connects to the local relay server (ws://127.0.0.1:<port>/extension). - Uses the Chrome Debugger API to forward CDP commands across attached tabs/targets (with a primary tab used for handshake/status). - Allows OpenDev

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Connects to the local relay server (ws://127.0.0.1:<port>/extension).
Uses the Chrome Debugger API to forward CDP commands across attached tabs/targets (with a primary tab used for handshake/status).
Allows OpenDevBrowser to control tabs without launching a new browser.
Supports multi-tab CDP routing with flat sessions (Chrome 125+).
Exposes top-level tabs and auto-attached child targets (workers/OOPIF) through Target.getTargets.
Launch defaults to extension relay when available; managed/CDPConnect require explicit user choice.
Extension mode is headed-only; extension-intent headless launch/connect is rejected with unsupported_mode.
When hub mode is enabled, the hub daemon is the sole relay owner and enforces FIFO leases (no local relay fallback).

command example

npx opendevbrowser serve