Inflowinventorypremium2321mpt Patched

When processing high-volume inflows (> 23,210 units) across three or more periods simultaneously, the system would miscalculate weighted average cost — often zeroing out premium inventory values for subsequent periods.

After applying inflowinventorypremium2321mpt patched, the following improvements are active: inflowinventorypremium2321mpt patched

✅ Strict period validation – Any inflow referencing a closed period is automatically rejected with error code INV-2321.
✅ Immutable transaction sequencing – MPTs now require period gap approval from a supervisor.
✅ Premium value preservation – Weighted average cost recalculates correctly across multi-period batches.
✅ Audit log extension – All MPT attempts (allowed or denied) are recorded with user ID, timestamp, and period range. ✅ Premium value preservation – Weighted average cost

No database schema changes are required. The patch replaces three core libraries and adds two new stored procedures for period boundary validation. The patch replaces three core libraries and adds

Before the patch, the MPT logic contained two critical flaws: