Prepare a local LangBot development and testing environment for an AI agent. Use when setting up WSL or Linux development, shared local URL variables, proxy variables, backend/frontend startup, Playwright MCP browser access, GitHub OAuth browser login, persisted Chrome profiles, or future Codex computer-use environment paths.
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Use this skill when a task needs LangBot to be in a testable state before product testing or development verification.
../.env before using URL, path, browser profile, or proxy defaults.references/browser-access-selection.md to choose the browser-control path.references/service-startup.md.references/computer-use.md. This path usually needs less browser/MCP setup.references/playwright-mcp.md.references/oauth-browser-profile.md.references/wsl-notes.md only when running under WSL.references/proxy.md when external login, model provider tests, or package downloads time out.references/, not in this file.7803d56
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