Add Round 3 QA precheck

Ariver

2026-06-03 debe8b2b29946fdddacc5f85618b4bf7e94415b3

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package modelselection
 
import (
    "voicesnap/internal/config"
    "voicesnap/internal/language"
    "voicesnap/internal/logger"
    "voicesnap/internal/model"
)
 
type CurrentModel struct {
    ModelID          string
    Profile          model.ModelProfile
    SelectionMode    string
    LanguageSettings language.LanguageSettings
    FallbackReason   string
}
 
func Resolve(cfg *config.Config, detector language.SystemLocaleDetector) CurrentModel {
    if cfg == nil {
        cfg = config.Default()
    }
 
    settings := language.Resolve(cfg.LanguageMode, cfg.LanguageID, detector)
    selectionMode := config.NormalizeModelSelectionMode(cfg.ModelSelectionMode)
    modelID := settings.DefaultModelID
    fallbackReason := ""
 
    if selectionMode == config.ModelSelectionModeManual {
        if profile, err := model.GetModelProfile(cfg.SelectedModelID); err == nil {
            return CurrentModel{
                ModelID:          profile.ID,
                Profile:          profile,
                SelectionMode:    selectionMode,
                LanguageSettings: settings,
            }
        }
        fallbackReason = "invalid manual model selection"
        logger.Info("Invalid manual SelectedModelID %q, falling back to language default %q", cfg.SelectedModelID, modelID)
    }
 
    profile, err := model.GetModelProfile(modelID)
    if err != nil {
        fallbackReason = "invalid language default model"
        logger.Info("Invalid default model %q for language %q, falling back to %q", modelID, settings.EffectiveLanguageID, model.DefaultModelID)
        profile = model.DefaultModelProfile()
        modelID = profile.ID
    }
 
    return CurrentModel{
        ModelID:          modelID,
        Profile:          profile,
        SelectionMode:    selectionMode,
        LanguageSettings: settings,
        FallbackReason:   fallbackReason,
    }
}