初始化仓库

core/provider.go

@@ -0,0 +1,35 @@
+package core
+
+// GetProviderModels returns the configured model options for the active provider.
+func GetProviderModels(providers []ProviderConfig, activeIdx int) []ModelOption {
+	if activeIdx < 0 || activeIdx >= len(providers) {
+		return nil
+	}
+	return providers[activeIdx].Models
+}
+
+// GetProviderModel returns the configured model for the active provider.
+// If the active provider has no explicit model, fallback is returned.
+func GetProviderModel(providers []ProviderConfig, activeIdx int, fallback string) string {
+	if activeIdx < 0 || activeIdx >= len(providers) {
+		return fallback
+	}
+	if model := providers[activeIdx].Model; model != "" {
+		return model
+	}
+	return fallback
+}
+
+// SetProviderModel returns a copy of providers with the named provider's model updated.
+// The second return value indicates whether a provider matched the given name.
+func SetProviderModel(providers []ProviderConfig, name, model string) ([]ProviderConfig, bool) {
+	updated := make([]ProviderConfig, len(providers))
+	copy(updated, providers)
+	for i := range updated {
+		if updated[i].Name == name {
+			updated[i].Model = model
+			return updated, true
+		}
+	}
+	return updated, false
+}