feat: migrate all Sonnet targets to Opus 4.6-thinking

All Claude Sonnet models (claude-sonnet-4-5, claude-sonnet-4-5-thinking,
claude-sonnet-4-6) in Antigravity default mapping now redirect to
claude-opus-4-6-thinking. Includes DB migration script for existing accounts.

backend/internal/domain/constants.go

@@ -75,15 +75,15 @@ var DefaultAntigravityModelMapping = map[string]string{
 	"claude-opus-4-6-thinking":   "claude-opus-4-6-thinking", // 官方模型
 	"claude-opus-4-6":            "claude-opus-4-6-thinking", // 简称映射
 	"claude-opus-4-5-thinking":   "claude-opus-4-6-thinking", // 迁移旧模型
-	"claude-sonnet-4-6":          "claude-sonnet-4-6",
-	"claude-sonnet-4-5":          "claude-sonnet-4-5",
-	"claude-sonnet-4-5-thinking": "claude-sonnet-4-5-thinking",
+	"claude-sonnet-4-6":          "claude-opus-4-6-thinking", // Sonnet → Opus
+	"claude-sonnet-4-5":          "claude-opus-4-6-thinking", // Sonnet → Opus
+	"claude-sonnet-4-5-thinking": "claude-opus-4-6-thinking", // Sonnet → Opus
 	// Claude 详细版本 ID 映射
 	"claude-opus-4-5-20251101":   "claude-opus-4-6-thinking", // 迁移旧模型
-	"claude-sonnet-4-5-20250929": "claude-sonnet-4-5",
-	// Claude Haiku → Sonnet（无 Haiku 支持）
-	"claude-haiku-4-5":          "claude-sonnet-4-6",
-	"claude-haiku-4-5-20251001": "claude-sonnet-4-6",
+	"claude-sonnet-4-5-20250929": "claude-opus-4-6-thinking", // Sonnet → Opus
+	// Claude Haiku → Opus（无 Haiku/Sonnet 支持）
+	"claude-haiku-4-5":          "claude-opus-4-6-thinking",
+	"claude-haiku-4-5-20251001": "claude-opus-4-6-thinking",
 	// Gemini 2.5 白名单
 	"gemini-2.5-flash":               "gemini-2.5-flash",
 	"gemini-2.5-flash-image":         "gemini-2.5-flash-image",

backend/internal/service/antigravity_credits_overages_test.go

@@ -239,7 +239,7 @@ func TestAntigravityRetryLoop_ModelRateLimited_InjectsCredits(t *testing.T) {
 		Extra: map[string]any{
 			"allow_overages": true,
 			modelRateLimitsKey: map[string]any{
-				"claude-sonnet-4-5": map[string]any{
+				"claude-opus-4-6-thinking": map[string]any{
 					"rate_limited_at":     time.Now().UTC().Format(time.RFC3339),
 					"rate_limit_reset_at": time.Now().Add(30 * time.Minute).UTC().Format(time.RFC3339),
 				},
@@ -254,9 +254,9 @@ func TestAntigravityRetryLoop_ModelRateLimited_InjectsCredits(t *testing.T) {
 		account:        account,
 		accessToken:    "token",
 		action:         "generateContent",
-		body:           []byte(`{"model":"claude-sonnet-4-5","request":{}}`),
+		body:           []byte(`{"model":"claude-opus-4-6-thinking","request":{}}`),
 		httpUpstream:   upstream,
-		requestedModel: "claude-sonnet-4-5",
+		requestedModel: "claude-opus-4-6-thinking",
 		handleError: func(ctx context.Context, prefix string, account *Account, statusCode int, headers http.Header, body []byte, requestedModel string, groupID int64, sessionHash string, isStickySession bool) *handleModelRateLimitResult {
 			return nil
 		},
@@ -290,7 +290,7 @@ func TestAntigravityRetryLoop_CreditsExhausted_DoesNotInject(t *testing.T) {
 		Extra: map[string]any{
 			"allow_overages": true,
 			modelRateLimitsKey: map[string]any{
-				"claude-sonnet-4-5": map[string]any{
+				"claude-opus-4-6-thinking": map[string]any{
 					"rate_limited_at":     time.Now().UTC().Format(time.RFC3339),
 					"rate_limit_reset_at": time.Now().Add(30 * time.Minute).UTC().Format(time.RFC3339),
 				},
@@ -309,8 +309,8 @@ func TestAntigravityRetryLoop_CreditsExhausted_DoesNotInject(t *testing.T) {
 		account:        account,
 		accessToken:    "token",
 		action:         "generateContent",
-		body:           []byte(`{"model":"claude-sonnet-4-5","request":{}}`),
-		requestedModel: "claude-sonnet-4-5",
+		body:           []byte(`{"model":"claude-opus-4-6-thinking","request":{}}`),
+		requestedModel: "claude-opus-4-6-thinking",
 		handleError: func(ctx context.Context, prefix string, account *Account, statusCode int, headers http.Header, body []byte, requestedModel string, groupID int64, sessionHash string, isStickySession bool) *handleModelRateLimitResult {
 			return nil
 		},
@@ -355,7 +355,7 @@ func TestAntigravityRetryLoop_CreditErrorMarksExhausted(t *testing.T) {
 		Extra: map[string]any{
 			"allow_overages": true,
 			modelRateLimitsKey: map[string]any{
-				"claude-sonnet-4-5": map[string]any{
+				"claude-opus-4-6-thinking": map[string]any{
 					"rate_limited_at":     time.Now().UTC().Format(time.RFC3339),
 					"rate_limit_reset_at": time.Now().Add(30 * time.Minute).UTC().Format(time.RFC3339),
 				},
@@ -370,10 +370,10 @@ func TestAntigravityRetryLoop_CreditErrorMarksExhausted(t *testing.T) {
 		account:        account,
 		accessToken:    "token",
 		action:         "generateContent",
-		body:           []byte(`{"model":"claude-sonnet-4-5","request":{}}`),
+		body:           []byte(`{"model":"claude-opus-4-6-thinking","request":{}}`),
 		httpUpstream:   upstream,
 		accountRepo:    repo,
-		requestedModel: "claude-sonnet-4-5",
+		requestedModel: "claude-opus-4-6-thinking",
 		handleError: func(ctx context.Context, prefix string, account *Account, statusCode int, headers http.Header, body []byte, requestedModel string, groupID int64, sessionHash string, isStickySession bool) *handleModelRateLimitResult {
 			return nil
 		},

backend/internal/service/antigravity_gateway_service.go

@@ -977,14 +977,8 @@ func (s *AntigravityGatewayService) getMappedModel(account *Account, requestedMo
 }
 
 // applyThinkingModelSuffix 根据 thinking 配置调整模型名
-// 当映射结果是 claude-sonnet-4-5 且请求开启了 thinking 时，改为 claude-sonnet-4-5-thinking
+// 所有 Sonnet 已统一映射到 Opus，此函数保留为扩展点
 func applyThinkingModelSuffix(mappedModel string, thinkingEnabled bool) string {
-	if !thinkingEnabled {
-		return mappedModel
-	}
-	if mappedModel == "claude-sonnet-4-5" {
-		return "claude-sonnet-4-5-thinking"
-	}
 	return mappedModel
 }
 

backend/internal/service/antigravity_model_mapping_test.go

@@ -57,36 +57,36 @@ func TestAntigravityGatewayService_GetMappedModel(t *testing.T) {
 			expected:       "claude-opus-4-6-thinking",
 		},
 		{
-			name:           "默认映射 - claude-haiku-4-5 → claude-sonnet-4-6",
+			name:           "默认映射 - claude-haiku-4-5 → claude-opus-4-6-thinking",
 			requestedModel: "claude-haiku-4-5",
 			accountMapping: nil,
-			expected:       "claude-sonnet-4-6",
+			expected:       "claude-opus-4-6-thinking",
 		},
 		{
-			name:           "默认映射 - claude-haiku-4-5-20251001 → claude-sonnet-4-6",
+			name:           "默认映射 - claude-haiku-4-5-20251001 → claude-opus-4-6-thinking",
 			requestedModel: "claude-haiku-4-5-20251001",
 			accountMapping: nil,
-			expected:       "claude-sonnet-4-6",
+			expected:       "claude-opus-4-6-thinking",
 		},
 		{
-			name:           "默认映射 - claude-sonnet-4-5-20250929 → claude-sonnet-4-5",
+			name:           "默认映射 - claude-sonnet-4-5-20250929 → claude-opus-4-6-thinking",
 			requestedModel: "claude-sonnet-4-5-20250929",
 			accountMapping: nil,
-			expected:       "claude-sonnet-4-5",
+			expected:       "claude-opus-4-6-thinking",
 		},
 
-		// 3. 默认映射中的透传（映射到自己）
+		// 3. 默认映射 - Sonnet → Opus
 		{
-			name:           "默认映射透传 - claude-sonnet-4-6",
+			name:           "默认映射 - claude-sonnet-4-6 → claude-opus-4-6-thinking",
 			requestedModel: "claude-sonnet-4-6",
 			accountMapping: nil,
-			expected:       "claude-sonnet-4-6",
+			expected:       "claude-opus-4-6-thinking",
 		},
 		{
-			name:           "默认映射透传 - claude-sonnet-4-5",
+			name:           "默认映射 - claude-sonnet-4-5 → claude-opus-4-6-thinking",
 			requestedModel: "claude-sonnet-4-5",
 			accountMapping: nil,
-			expected:       "claude-sonnet-4-5",
+			expected:       "claude-opus-4-6-thinking",
 		},
 		{
 			name:           "默认映射透传 - claude-opus-4-6-thinking",
@@ -95,10 +95,10 @@ func TestAntigravityGatewayService_GetMappedModel(t *testing.T) {
 			expected:       "claude-opus-4-6-thinking",
 		},
 		{
-			name:           "默认映射透传 - claude-sonnet-4-5-thinking",
+			name:           "默认映射 - claude-sonnet-4-5-thinking → claude-opus-4-6-thinking",
 			requestedModel: "claude-sonnet-4-5-thinking",
 			accountMapping: nil,
-			expected:       "claude-sonnet-4-5-thinking",
+			expected:       "claude-opus-4-6-thinking",
 		},
 		{
 			name:           "默认映射透传 - gemini-2.5-flash",

backend/internal/service/antigravity_rate_limit_test.go

@@ -202,10 +202,11 @@ func TestHandleUpstreamError_429_NonModelRateLimit(t *testing.T) {
 	result := svc.handleUpstreamError(context.Background(), "[test]", account, http.StatusTooManyRequests, http.Header{}, body, "claude-sonnet-4-5", 0, "", false)
 
 	// handleModelRateLimit 不会处理（因为没有 RATE_LIMIT_EXCEEDED），
-	// 但 429 兜底逻辑会使用 requestedModel 设置模型级限流
+	// 但 429 兜底逻辑会使用 requestedModel 经过映射后的最终模型 key 设置模型级限流
+	// claude-sonnet-4-5 在默认映射中映射到 claude-opus-4-6-thinking
 	require.Nil(t, result)
 	require.Len(t, repo.modelRateLimitCalls, 1)
-	require.Equal(t, "claude-sonnet-4-5", repo.modelRateLimitCalls[0].modelKey)
+	require.Equal(t, "claude-opus-4-6-thinking", repo.modelRateLimitCalls[0].modelKey)
 }
 
 // TestHandleUpstreamError_429_NonModelRateLimit_UsesMappedModelKey 测试 429 非模型限流场景
@@ -822,6 +823,7 @@ func TestSetModelRateLimitByModelName_NotConvertToScope(t *testing.T) {
 
 func TestAntigravityRetryLoop_PreCheck_SwitchesWhenRateLimited(t *testing.T) {
 	upstream := &recordingOKUpstream{}
+	// 限流 key 使用映射后的最终模型名：claude-sonnet-4-5 → claude-opus-4-6-thinking
 	account := &Account{
 		ID:          1,
 		Name:        "acc-1",
@@ -831,7 +833,7 @@ func TestAntigravityRetryLoop_PreCheck_SwitchesWhenRateLimited(t *testing.T) {
 		Concurrency: 1,
 		Extra: map[string]any{
 			modelRateLimitsKey: map[string]any{
-				"claude-sonnet-4-5": map[string]any{
+				"claude-opus-4-6-thinking": map[string]any{
 					"rate_limit_reset_at": time.Now().Add(2 * time.Second).Format(time.RFC3339),
 				},
 			},
@@ -865,6 +867,7 @@ func TestAntigravityRetryLoop_PreCheck_SwitchesWhenRateLimited(t *testing.T) {
 
 func TestAntigravityRetryLoop_PreCheck_SwitchesWhenRemainingLong(t *testing.T) {
 	upstream := &recordingOKUpstream{}
+	// 限流 key 使用映射后的最终模型名：claude-sonnet-4-5 → claude-opus-4-6-thinking
 	account := &Account{
 		ID:          2,
 		Name:        "acc-2",
@@ -874,7 +877,7 @@ func TestAntigravityRetryLoop_PreCheck_SwitchesWhenRemainingLong(t *testing.T) {
 		Concurrency: 1,
 		Extra: map[string]any{
 			modelRateLimitsKey: map[string]any{
-				"claude-sonnet-4-5": map[string]any{
+				"claude-opus-4-6-thinking": map[string]any{
 					"rate_limit_reset_at": time.Now().Add(11 * time.Second).Format(time.RFC3339),
 				},
 			},

backend/internal/service/antigravity_single_account_retry_test.go

@@ -678,6 +678,7 @@ func TestHandleSingleAccountRetryInPlace_NetworkError_ContinuesRetry(t *testing.
 // 预检查中，如果有 SingleAccountRetry 标记，即使账号已限流也跳过直接发请求
 func TestAntigravityRetryLoop_PreCheck_SingleAccountRetry_SkipsRateLimit(t *testing.T) {
 	// 创建一个已设模型限流的账号
+	// 限流 key 使用映射后的最终模型名：claude-sonnet-4-5 → claude-opus-4-6-thinking
 	upstream := &recordingOKUpstream{}
 	account := &Account{
 		ID:          20,
@@ -689,7 +690,7 @@ func TestAntigravityRetryLoop_PreCheck_SingleAccountRetry_SkipsRateLimit(t *test
 		Concurrency: 1,
 		Extra: map[string]any{
 			modelRateLimitsKey: map[string]any{
-				"claude-sonnet-4-5": map[string]any{
+				"claude-opus-4-6-thinking": map[string]any{
 					"rate_limit_reset_at": time.Now().Add(30 * time.Second).Format(time.RFC3339),
 				},
 			},
@@ -723,6 +724,7 @@ func TestAntigravityRetryLoop_PreCheck_SingleAccountRetry_SkipsRateLimit(t *test
 // 对照组：无 SingleAccountRetry + 已限流 → 预检查返回 switchError
 func TestAntigravityRetryLoop_PreCheck_NoSingleAccountRetry_SwitchesOnRateLimit(t *testing.T) {
 	upstream := &recordingOKUpstream{}
+	// 限流 key 使用映射后的最终模型名：claude-sonnet-4-5 → claude-opus-4-6-thinking
 	account := &Account{
 		ID:          21,
 		Name:        "acc-rate-limited-multi",
@@ -733,7 +735,7 @@ func TestAntigravityRetryLoop_PreCheck_NoSingleAccountRetry_SwitchesOnRateLimit(
 		Concurrency: 1,
 		Extra: map[string]any{
 			modelRateLimitsKey: map[string]any{
-				"claude-sonnet-4-5": map[string]any{
+				"claude-opus-4-6-thinking": map[string]any{
 					"rate_limit_reset_at": time.Now().Add(30 * time.Second).Format(time.RFC3339),
 				},
 			},

backend/internal/service/antigravity_thinking_test.go

@@ -13,37 +13,15 @@ func TestApplyThinkingModelSuffix(t *testing.T) {
 		thinkingEnabled bool
 		expected        string
 	}{
-		// Thinking 未开启：保持原样
+		// 函数现在直接返回原值（所有 Sonnet 已在映射层统一到 Opus）
 		{
-			name:            "thinking disabled - claude-sonnet-4-5 unchanged",
-			mappedModel:     "claude-sonnet-4-5",
-			thinkingEnabled: false,
-			expected:        "claude-sonnet-4-5",
-		},
-		{
-			name:            "thinking disabled - other model unchanged",
+			name:            "thinking disabled - model unchanged",
 			mappedModel:     "claude-opus-4-6-thinking",
 			thinkingEnabled: false,
 			expected:        "claude-opus-4-6-thinking",
 		},
-
-		// Thinking 开启 + claude-sonnet-4-5：自动添加后缀
 		{
-			name:            "thinking enabled - claude-sonnet-4-5 becomes thinking version",
-			mappedModel:     "claude-sonnet-4-5",
-			thinkingEnabled: true,
-			expected:        "claude-sonnet-4-5-thinking",
-		},
-
-		// Thinking 开启 + 其他模型：保持原样
-		{
-			name:            "thinking enabled - claude-sonnet-4-5-thinking unchanged",
-			mappedModel:     "claude-sonnet-4-5-thinking",
-			thinkingEnabled: true,
-			expected:        "claude-sonnet-4-5-thinking",
-		},
-		{
-			name:            "thinking enabled - claude-opus-4-6-thinking unchanged",
+			name:            "thinking enabled - model unchanged",
 			mappedModel:     "claude-opus-4-6-thinking",
 			thinkingEnabled: true,
 			expected:        "claude-opus-4-6-thinking",

backend/internal/service/gateway_service_antigravity_whitelist_test.go

@@ -103,7 +103,7 @@ func TestGatewayService_isModelSupportedByAccountWithContext_ThinkingMode(t *tes
 			expected:        false,
 		},
 		// 场景 3: 配置 claude-sonnet-4-5（非 thinking），请求 claude-sonnet-4-5 + thinking=true
-		// 最终模型名 = claude-sonnet-4-5-thinking，不在 mapping 中，应该不匹配
+		// applyThinkingModelSuffix 不再做转换，所以 finalModel == mapped，映射直接通过
 		{
 			name: "thinking_enabled_no_match_non_thinking_mapping",
 			modelMapping: map[string]any{
@@ -111,6 +111,16 @@ func TestGatewayService_isModelSupportedByAccountWithContext_ThinkingMode(t *tes
 			},
 			requestedModel:  "claude-sonnet-4-5",
 			thinkingEnabled: true,
+			expected:        true, // applyThinkingModelSuffix 不做转换，映射通过
+		},
+		// 场景 3b: 请求一个不在映射中的模型，thinking=true 时也不应支持
+		{
+			name: "thinking_enabled_unmapped_model_returns_false",
+			modelMapping: map[string]any{
+				"claude-sonnet-4-5": "claude-sonnet-4-5",
+			},
+			requestedModel:  "claude-unknown-model",
+			thinkingEnabled: true,
 			expected:        false,
 		},
 		// 场景 4: 配置两种模型，请求 claude-sonnet-4-5 + thinking=true，应该匹配 thinking 版本

backend/internal/service/model_rate_limit_test.go

@@ -181,11 +181,13 @@ func TestIsModelRateLimited_Antigravity_ThinkingAffectsModelKey(t *testing.T) {
 	now := time.Now()
 	future := now.Add(10 * time.Minute).Format(time.RFC3339)
 
+	// applyThinkingModelSuffix 不再做转换，claude-sonnet-4-5 在默认映射中映射到 claude-opus-4-6-thinking
+	// 所以限流 key 应为 claude-opus-4-6-thinking
 	account := &Account{
 		Platform: PlatformAntigravity,
 		Extra: map[string]any{
 			modelRateLimitsKey: map[string]any{
-				"claude-sonnet-4-5-thinking": map[string]any{
+				"claude-opus-4-6-thinking": map[string]any{
 					"rate_limit_reset_at": future,
 				},
 			},
@@ -343,7 +345,8 @@ func TestGetRateLimitRemainingTime(t *testing.T) {
 				Platform: PlatformAntigravity,
 				Extra: map[string]any{
 					modelRateLimitsKey: map[string]any{
-						"claude-sonnet-4-5": map[string]any{
+						// claude-sonnet-4-5 在默认映射中映射到 claude-opus-4-6-thinking
+						"claude-opus-4-6-thinking": map[string]any{
 							"rate_limit_reset_at": future15m,
 						},
 					},
@@ -359,7 +362,8 @@ func TestGetRateLimitRemainingTime(t *testing.T) {
 				Platform: PlatformAntigravity,
 				Extra: map[string]any{
 					modelRateLimitsKey: map[string]any{
-						"claude-sonnet-4-5": map[string]any{
+						// claude-sonnet-4-5 在默认映射中映射到 claude-opus-4-6-thinking
+						"claude-opus-4-6-thinking": map[string]any{
 							"rate_limit_reset_at": future5m,
 						},
 					},

backend/migrations/077_migrate_sonnet_to_opus46_thinking.sql

@@ -0,0 +1,51 @@
+-- Migrate all Sonnet models target to Opus 4.6-thinking
+--
+-- Background:
+-- We no longer use Sonnet models on Antigravity platform.
+-- All Sonnet targets (claude-sonnet-4-5, claude-sonnet-4-5-thinking, claude-sonnet-4-6)
+-- are replaced with claude-opus-4-6-thinking.
+--
+-- Strategy:
+-- Directly overwrite the entire model_mapping with updated mappings
+-- This ensures consistency with DefaultAntigravityModelMapping in constants.go
+
+UPDATE accounts
+SET credentials = jsonb_set(
+    credentials,
+    '{model_mapping}',
+    '{
+        "claude-opus-4-6-thinking": "claude-opus-4-6-thinking",
+        "claude-opus-4-6": "claude-opus-4-6-thinking",
+        "claude-opus-4-5-thinking": "claude-opus-4-6-thinking",
+        "claude-opus-4-5-20251101": "claude-opus-4-6-thinking",
+        "claude-sonnet-4-6": "claude-opus-4-6-thinking",
+        "claude-sonnet-4-5": "claude-opus-4-6-thinking",
+        "claude-sonnet-4-5-thinking": "claude-opus-4-6-thinking",
+        "claude-sonnet-4-5-20250929": "claude-opus-4-6-thinking",
+        "claude-haiku-4-5": "claude-opus-4-6-thinking",
+        "claude-haiku-4-5-20251001": "claude-opus-4-6-thinking",
+        "gemini-2.5-flash": "gemini-2.5-flash",
+        "gemini-2.5-flash-image": "gemini-2.5-flash-image",
+        "gemini-2.5-flash-image-preview": "gemini-2.5-flash-image",
+        "gemini-2.5-flash-lite": "gemini-2.5-flash-lite",
+        "gemini-2.5-flash-thinking": "gemini-2.5-flash-thinking",
+        "gemini-2.5-pro": "gemini-2.5-pro",
+        "gemini-3-flash": "gemini-3-flash",
+        "gemini-3-pro-high": "gemini-3-pro-high",
+        "gemini-3-pro-low": "gemini-3-pro-low",
+        "gemini-3-flash-preview": "gemini-3-flash",
+        "gemini-3-pro-preview": "gemini-3-pro-high",
+        "gemini-3.1-pro-high": "gemini-3.1-pro-high",
+        "gemini-3.1-pro-low": "gemini-3.1-pro-low",
+        "gemini-3.1-pro-preview": "gemini-3.1-pro-high",
+        "gemini-3.1-flash-image": "gemini-3.1-flash-image",
+        "gemini-3.1-flash-image-preview": "gemini-3.1-flash-image",
+        "gemini-3-pro-image": "gemini-3.1-flash-image",
+        "gemini-3-pro-image-preview": "gemini-3.1-flash-image",
+        "gpt-oss-120b-medium": "gpt-oss-120b-medium",
+        "tab_flash_lite_preview": "tab_flash_lite_preview"
+    }'::jsonb
+)
+WHERE platform = 'antigravity'
+  AND deleted_at IS NULL
+  AND credentials->'model_mapping' IS NOT NULL;

frontend/src/composables/useModelWhitelist.ts

@@ -301,14 +301,11 @@ const geminiPresetMappings = [
 
 // Antigravity 预设映射（支持通配符）
 const antigravityPresetMappings = [
-  // Claude 通配符映射
-  { label: 'Claude→Sonnet', from: 'claude-*', to: 'claude-sonnet-4-5', color: 'bg-blue-100 text-blue-700 hover:bg-blue-200 dark:bg-blue-900/30 dark:text-blue-400' },
-  { label: 'Sonnet→Sonnet', from: 'claude-sonnet-*', to: 'claude-sonnet-4-5', color: 'bg-indigo-100 text-indigo-700 hover:bg-indigo-200 dark:bg-indigo-900/30 dark:text-indigo-400' },
+  // Claude 通配符映射（所有 Claude 统一指向 Opus）
+  { label: 'Claude→Opus', from: 'claude-*', to: 'claude-opus-4-6-thinking', color: 'bg-purple-100 text-purple-700 hover:bg-purple-200 dark:bg-purple-900/30 dark:text-purple-400' },
+  { label: 'Sonnet→Opus', from: 'claude-sonnet-*', to: 'claude-opus-4-6-thinking', color: 'bg-indigo-100 text-indigo-700 hover:bg-indigo-200 dark:bg-indigo-900/30 dark:text-indigo-400' },
   { label: 'Opus→Opus', from: 'claude-opus-*', to: 'claude-opus-4-6-thinking', color: 'bg-purple-100 text-purple-700 hover:bg-purple-200 dark:bg-purple-900/30 dark:text-purple-400' },
-  { label: 'Haiku→Sonnet', from: 'claude-haiku-*', to: 'claude-sonnet-4-5', color: 'bg-emerald-100 text-emerald-700 hover:bg-emerald-200 dark:bg-emerald-900/30 dark:text-emerald-400' },
-  { label: 'Sonnet4→4.6', from: 'claude-sonnet-4-20250514', to: 'claude-sonnet-4-6', color: 'bg-sky-100 text-sky-700 hover:bg-sky-200 dark:bg-sky-900/30 dark:text-sky-400' },
-  { label: 'Sonnet4.5→4.6', from: 'claude-sonnet-4-5-20250929', to: 'claude-sonnet-4-6', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' },
-  { label: 'Sonnet3.5→4.6', from: 'claude-3-5-sonnet-20241022', to: 'claude-sonnet-4-6', color: 'bg-teal-100 text-teal-700 hover:bg-teal-200 dark:bg-teal-900/30 dark:text-teal-400' },
+  { label: 'Haiku→Opus', from: 'claude-haiku-*', to: 'claude-opus-4-6-thinking', color: 'bg-emerald-100 text-emerald-700 hover:bg-emerald-200 dark:bg-emerald-900/30 dark:text-emerald-400' },
   { label: 'Opus4.5→4.6', from: 'claude-opus-4-5-20251101', to: 'claude-opus-4-6-thinking', color: 'bg-violet-100 text-violet-700 hover:bg-violet-200 dark:bg-violet-900/30 dark:text-violet-400' },
   // Gemini 3→3.1 映射
   { label: '3-Pro-Preview→3.1-Pro-High', from: 'gemini-3-pro-preview', to: 'gemini-3.1-pro-high', color: 'bg-amber-100 text-amber-700 hover:bg-amber-200 dark:bg-amber-900/30 dark:text-amber-400' },
@@ -325,8 +322,8 @@ const antigravityPresetMappings = [
   { label: '3-Flash透传', from: 'gemini-3-flash', to: 'gemini-3-flash', color: 'bg-lime-100 text-lime-700 hover:bg-lime-200 dark:bg-lime-900/30 dark:text-lime-400' },
   { label: '2.5-Flash-Lite透传', from: 'gemini-2.5-flash-lite', to: 'gemini-2.5-flash-lite', color: 'bg-green-100 text-green-700 hover:bg-green-200 dark:bg-green-900/30 dark:text-green-400' },
   // 精确映射
-  { label: 'Sonnet 4.6', from: 'claude-sonnet-4-6', to: 'claude-sonnet-4-6', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' },
-  { label: 'Sonnet 4.5', from: 'claude-sonnet-4-5', to: 'claude-sonnet-4-5', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' },
+  { label: 'Sonnet 4.6→Opus', from: 'claude-sonnet-4-6', to: 'claude-opus-4-6-thinking', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' },
+  { label: 'Sonnet 4.5→Opus', from: 'claude-sonnet-4-5', to: 'claude-opus-4-6-thinking', color: 'bg-cyan-100 text-cyan-700 hover:bg-cyan-200 dark:bg-cyan-900/30 dark:text-cyan-400' },
   { label: 'Opus 4.6', from: 'claude-opus-4-6', to: 'claude-opus-4-6-thinking', color: 'bg-pink-100 text-pink-700 hover:bg-pink-200 dark:bg-pink-900/30 dark:text-pink-400' },
   { label: 'Opus 4.6-thinking', from: 'claude-opus-4-6-thinking', to: 'claude-opus-4-6-thinking', color: 'bg-pink-100 text-pink-700 hover:bg-pink-200 dark:bg-pink-900/30 dark:text-pink-400' }
 ]