Rocky 7ffa7ae3f2 feat(lexicon): add custom ASR language model v1 (Sogou + AI/tech brands) ...

Build a first-version SFCustomLanguageModelData for on-device ASR
customization, generated offline on macOS (no app code dependency).

- Scripts/lexicon: Python builders for Sogou-derived phrases (scel +
  SogouPopularDict) and a curated bilingual AI/tech/brand seed lexicon
- export_clm.swift / prepare_clm.swift: macOS CLI tools that export the
  .bin training asset and compile it into LM + Vocab via the Speech
  framework
- Resources/CustomLanguageModel: generated phrases.tsv, manifests, the
  129k-phrase .bin, and compiled LM/Vocab assets (zh_CN)
- .gitignore: ignore lexicon build cache and Python bytecode

Note: Sogou-derived data is for internal experimentation only; the
curated AI/tech seed is MIT and safe to ship.

2026-07-05 18:38:07 +08:00

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