sgeboers 67eda93cb1 docs: add overtone shift analysis and insights ...

- Add deep dive analysis on SVD axis overtone shift (docs/research/)
- Update brainstorm with results documenting key finding: stability and
  overtone shift are independent phenomena
- Add learning doc about axis stability vs semantic drift independence
- Update drift report with detailed findings

2026-04-05 19:40:23 +02:00

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svd-stability-vs-overtone-shift.md

docs: add overtone shift analysis and insights

2026-04-05 19:40:23 +02:00