EVT 2026-02-17 - Stage F AI Tutor Plan Sourcing, Fallback, and Program Switch

Session scope

Finalize how AI Tutor 7-day plan selects required exercises, handles low inventory, and behaves when learner changes program mid-cycle.

User-confirmed outcomes

User selected all recommended options.

1. Required exercise sourcing:
   • Option A selected.
   • Prioritize learner’s weakest skill in current program.
2. Low-inventory fallback for required slot:
   • Option A selected.
   • Reuse similarity ladder A -> B -> C inside current program.
3. Program switch during active 7-day cycle:
   • Option A selected.
   • Keep current plan until cycle ends; regenerate next cycle by new program.

Product guardrail reaffirmed

• Keep logic simple, understandable, and operationally scalable.

Trace

• Promoted into: DEC-0025
• Reflected in: STATE_Progress_Metrics
• Reflected in: STATE_Practice_Recommendation