fix(web): add missing v7 key to legacy localStorage cleanup list (#594)

When the persisted state key was bumped from v7 to v8 in 689dda59,
the v7 key was not added to LEGACY_PERSISTED_STATE_KEYS. Users who
ran the app during the ~3-week v7 window retain a stale
`t3code:renderer-state:v7` entry in localStorage that is never
cleaned up.
412331aa610x1f99d committed on 3/9/2026, 3:39:41 AM· committed by GitHubparentcd1c3df
1 file changedLine totals unavailable