* feat(source-control-ai): support OMP text generation
Read prompts on stdin, retain OMP configured model by default, and reuse JSON model discovery.
Co-authored-by: unknown <1784931579@qq.com>
* test(source-control-ai): cover OMP large input and model overrides
* fix(omp): keep configured model default out of discovered catalog
* fix(omp): hide config default from model discovery catalog
* fix(omp): separate terminal discovery from generation defaults
* test(omp): keep model probe import compatible with CLI typecheck
* test: align Source Control AI registry contracts with OMP
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Co-authored-by: unknown <1784931579@qq.com>
