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backend/examples/plugin/claude-web-search-router/go/model_resolve.go

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+package main
+
+import (
+	"strings"
+
+	"github.com/router-for-me/CLIProxyAPI/v7/internal/registry"
+)
+
+const (
+	// Default Codex model for Claude web_search → Codex Responses (override with codex_model).
+	defaultCodexWebSearchModel = "gpt-5.4-mini"
+	// Default xAI model for server-side web_search per https://docs.x.ai/developers/tools/web-search
+	defaultXAIWebSearchModel = "grok-4.3"
+)
+
+// resolveAntigravityWebSearchTargetModel picks an Antigravity model that can run native googleSearch.
+// Config antigravity_model wins; otherwise registry.AntigravityWebSearchModelFor(requested) or the
+// first available antigravity model with SupportsWebSearch.
+func resolveAntigravityWebSearchTargetModel(configured, requested string) string {
+	if m := strings.TrimSpace(configured); m != "" {
+		return m
+	}
+	if m := registry.AntigravityWebSearchModelFor(strings.TrimSpace(requested)); m != "" {
+		return m
+	}
+	for _, model := range registry.GetGlobalRegistry().GetAvailableModelsByProvider("antigravity") {
+		if model == nil || !model.SupportsWebSearch {
+			continue
+		}
+		if id := strings.TrimSpace(model.ID); id != "" {
+			return id
+		}
+	}
+	return ""
+}
+
+// resolveCodexWebSearchTargetModel never forwards the client Claude model to Codex.
+func resolveCodexWebSearchTargetModel(configured string) string {
+	if m := strings.TrimSpace(configured); m != "" {
+		return m
+	}
+	return defaultCodexWebSearchModel
+}
+
+// resolveXAIWebSearchTargetModel never forwards the client Claude model to xAI Responses.
+func resolveXAIWebSearchTargetModel(configured string) string {
+	if m := strings.TrimSpace(configured); m != "" {
+		return m
+	}
+	return defaultXAIWebSearchModel
+}