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references/agent-browser-troubleshooting.md

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+# Troubleshooting
+
+## CLI runs but no browser opens
+- Run `agent-browser install` to download Chromium.
+- On Linux, run `agent-browser install --with-deps` if dependencies are missing.
+
+## Native binary not available
+- The CLI falls back to the Node.js daemon automatically.
+- Ensure Node.js is installed and available.
+
+## Debugging
+- Use `--headed` to see the browser UI.
+- Use `--debug` for verbose logs.
+
+## Instability in DOM targeting
+- Resnapshot after any navigation or DOM changes.
+- Prefer refs from `snapshot` over brittle CSS selectors.