Implements the English Supervised Seeding Epoch (V1):
- language_packs/en_seeder.py: downloads GloVe-6B-50d, projects each
token embedding through a CGA lift into Cl(4,1) via construction_seed_versor,
validates the versor invariant, and registers the word in VocabManifold.
- scripts/run_pulse.py: replaces the mock 10-word hash vault with the
live VocabManifold. Injection now uses TextProjectionHead.project()
against the seeded vocab; vault_recall queries VocabManifold.nearest().
Hash fallback retained for words absent from GloVe (OOV tagged fallback).
The CGA lift preserves semantic neighbourhood: words close in GloVe
cosine space map to versors that are geometrically proximate in Cl(4,1)
inner product space, so nearest() returns semantically coherent results
rather than hash-proximity artefacts."
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