RootCauseunvalidated
the DB existed at v2 with no stores — App code opens at v2, which should trigger upgrade from v1→v2. Tension: onupgradeneeded does NOT fire (version matches). Outcome: Verified by checking db.objectStoreNames after open: empty array.
43328116-64f9-4519-8da3-ce224a08510f
the DB existed at v2 with no stores — App code opens at v2, which should trigger upgrade from v1→v2. Tension: onupgradeneeded does NOT fire (version matches). Outcome: Verified by checking db.objectStoreNames after open: empty array.