Files
Garry Tan b8b8f22686 fix: replace SHA-256(hostname+user) installation_id with random UUID
The old approach derived installation_id from hostname+username via
SHA-256, which meant anyone who knew your machine identity could
compute your exact ID. Now uses a random UUID v4 stored in
~/.gstack/installation-id — not derivable from any public input,
rotatable by deleting the file.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-24 15:12:07 -07:00
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