chore: execute Sprint 38 technical debt resolution (Type Safety, Zod validation, Vitest, Mock LLM extracted)

feat: Genspark-Standard upgrade, MLOps audit fixes, and XAMLÉ branding

feat(ai): add bank-level pitch deck and business plan generator script

test(e2e): add full journey simulation script that generates final AI pitch deck

fix(qa): resolve missing image anomalies and secure pedagogy worker TTS audio flow

chore(api): add fast-levenshtein for Whisper WER calibration benchmark

chore: test API distribution

feat(api): add whisper confidence calibration script and endpoint

fix(e2e): type correction in user creation mock

test(e2e): add api journey tests for sprint 22 and 23 validations

feat(media): complete T4-T5 unique images — all T1-T5 tracks now have full image coverage

fix(build): remove unused url variable in upload-t2t4-images.ts (TS6133)

chore: add complete-t4t5-images.ts script for remaining image generation

feat(media): inject imageUrls for T2-T5 (17 unique + fallback for T4-T5 remainder)

feat(sprint19-20): production-ready video integration & STT hardening

fix(deployment): resolve ESM module not found by decoupling seed from database index

feat(pedagogy): implementation of dynamic content infrastructure and evaluation criteria