What the reviewer found
SessionStart runs 'node ${extensionPath}/scripts/on-start.js' from an example extension under gemini-cli's packages/cli/src/commands/extensions/examples directory; the script could not be resolved (404), so it is unreviewed. This is example material shipped for documentation, not a hook meant for installation.
unreviewed-script— runs a script that could not be read
What was read
The file as it ships in google-gemini/gemini-cli:
packages/cli/src/commands/extensions/examples/hooks/hooks/hooks.json
Named but not readable — outside the repository, or not found — and so not covered by this review: ${extensionPath}/scripts/on-start.js.
What the static scan said
The 26-rule scan found nothing in this file; the review read it anyway.
How this review was made
Fable 5.1 read the files above on 7 September 2026 and answered three questions: is it dangerous to whoever installs it, is each scanner finding real, and what should the installer know. The verdict is bound to the file's hash; when the file changes, it is scanned afresh and reviewed again. A script that changes while the definition does not is not re-reviewed — that is a known gap. How the scan and the review work.