Level 3 — TipsLadderManager 4.2 Import holdings and DARA plan

TIPS market data ← 4.1 Holdings File Holdings File DARA Plan File User holdings → 4.4 DARA plan → 4.3 and 4.4 4.2.1 Detect and parse holdings file 4.2.2 Parse DARA plan and parameters

Renamed from the Level 2 draft's "Import holdings": two distinct uploads (Holdings File, DARA Plan File), not one undifferentiated file. See DFD_Worklist.md item 27 for what this pass found and logged, including a real code duplicate.