1532ms
99.4% <1.5s SLA
95%
6-Axis Verified
16
Procedural Memory
8
SM-2 Spaced Rep
50
30 Completed
28
CEFR A1–C2 Calibrated
Grades real student-to-Lucy turns on the 6-axis CELTA rubric and saves distilled teaching reflexes directly into LucyProceduralMemory.
Simulates 300 multi-turn lessons across 6 learner cohorts to verify Lucy’s pedagogical progression from Cold Baseline (68.4%) to 97.2% CELTA mastery.
STUDENT FEEDBACK ADAPTATION FOR DAVID LESTER: Reduce the speaking rate by 20% and incorporate deliberate pauses after complex sentences to allow the student time to process the information.
STUDENT FEEDBACK ADAPTATION FOR DAVID LESTER: Reduce the speaking rate by 20 percent and incorporate at least three specific simulated check-in and concierge roleplay scenarios during the lesson.
Track every turn’s Time-to-First-Sentence and clause count to enforce the <1,500ms voice SLA.
Sanitize all payment card, CVV, PIN, and passport numbers before LLM invocation or database persistence.
Retrieve and obey top-ranked LEARNED INNER CORE RULES and DEAD-END AVOIDANCE directives on every conversational turn.
Structure opening spoken sentences with a natural prosodic clause break within the first 24–68 characters for instant audio synthesis.