fix(translator): remove strict field from Gemini Claude tool initialization

These models were likely for internal preview or testing and are no longer relevant for public use.

.github/workflows/pr-path-guard.yml

@@ -0,0 +1,28 @@
+name: translator-path-guard
+
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+
+jobs:
+  ensure-no-translator-changes:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Detect internal/translator changes
+        id: changed-files
+        uses: tj-actions/changed-files@v45
+        with:
+          files: |
+            internal/translator/**
+      - name: Fail when restricted paths change
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: |
+          echo "Changes under internal/translator are not allowed in pull requests."
+          echo "You need to create an issue for our maintenance team to make the necessary changes."
+          exit 1

internal/registry/model_definitions.go

@@ -116,36 +116,6 @@ func GeminiModels() []*ModelInfo {
 			SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
 			Thinking:                   &ThinkingSupport{Min: 512, Max: 24576, ZeroAllowed: true, DynamicAllowed: true},
 		},
-		{
-			ID:                         "gemini-2.5-flash-image-preview",
-			Object:                     "model",
-			Created:                    time.Now().Unix(),
-			OwnedBy:                    "google",
-			Type:                       "gemini",
-			Name:                       "models/gemini-2.5-flash-image-preview",
-			Version:                    "2.5",
-			DisplayName:                "Gemini 2.5 Flash Image Preview",
-			Description:                "State-of-the-art image generation and editing model.",
-			InputTokenLimit:            1048576,
-			OutputTokenLimit:           8192,
-			SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
-			// image models don't support thinkingConfig; leave Thinking nil
-		},
-		{
-			ID:                         "gemini-2.5-flash-image",
-			Object:                     "model",
-			Created:                    time.Now().Unix(),
-			OwnedBy:                    "google",
-			Type:                       "gemini",
-			Name:                       "models/gemini-2.5-flash-image",
-			Version:                    "2.5",
-			DisplayName:                "Gemini 2.5 Flash Image",
-			Description:                "State-of-the-art image generation and editing model.",
-			InputTokenLimit:            1048576,
-			OutputTokenLimit:           8192,
-			SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
-			// image models don't support thinkingConfig; leave Thinking nil
-		},
 	}
 }
 
@@ -158,52 +128,85 @@ func GetGeminiCLIModels() []*ModelInfo { return GeminiModels() }
 // GetAIStudioModels returns the Gemini model definitions for AI Studio integrations
 func GetAIStudioModels() []*ModelInfo {
 	base := GeminiModels()
+
 	return append(base,
-		&ModelInfo{
-			ID:                         "gemini-pro-latest",
-			Object:                     "model",
-			Created:                    time.Now().Unix(),
-			OwnedBy:                    "google",
-			Type:                       "gemini",
-			Name:                       "models/gemini-pro-latest",
-			Version:                    "2.5",
-			DisplayName:                "Gemini Pro Latest",
-			Description:                "Latest release of Gemini Pro",
-			InputTokenLimit:            1048576,
-			OutputTokenLimit:           65536,
-			SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
-			Thinking:                   &ThinkingSupport{Min: 128, Max: 32768, ZeroAllowed: false, DynamicAllowed: true},
-		},
-		&ModelInfo{
-			ID:                         "gemini-flash-latest",
-			Object:                     "model",
-			Created:                    time.Now().Unix(),
-			OwnedBy:                    "google",
-			Type:                       "gemini",
-			Name:                       "models/gemini-flash-latest",
-			Version:                    "2.5",
-			DisplayName:                "Gemini Flash Latest",
-			Description:                "Latest release of Gemini Flash",
-			InputTokenLimit:            1048576,
-			OutputTokenLimit:           65536,
-			SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
-			Thinking:                   &ThinkingSupport{Min: 0, Max: 24576, ZeroAllowed: true, DynamicAllowed: true},
-		},
-		&ModelInfo{
-			ID:                         "gemini-flash-lite-latest",
-			Object:                     "model",
-			Created:                    time.Now().Unix(),
-			OwnedBy:                    "google",
-			Type:                       "gemini",
-			Name:                       "models/gemini-flash-lite-latest",
-			Version:                    "2.5",
-			DisplayName:                "Gemini Flash-Lite Latest",
-			Description:                "Latest release of Gemini Flash-Lite",
-			InputTokenLimit:            1048576,
-			OutputTokenLimit:           65536,
-			SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
-			Thinking:                   &ThinkingSupport{Min: 512, Max: 24576, ZeroAllowed: true, DynamicAllowed: true},
-		},
+		[]*ModelInfo{
+			{
+				ID:                         "gemini-pro-latest",
+				Object:                     "model",
+				Created:                    time.Now().Unix(),
+				OwnedBy:                    "google",
+				Type:                       "gemini",
+				Name:                       "models/gemini-pro-latest",
+				Version:                    "2.5",
+				DisplayName:                "Gemini Pro Latest",
+				Description:                "Latest release of Gemini Pro",
+				InputTokenLimit:            1048576,
+				OutputTokenLimit:           65536,
+				SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
+				Thinking:                   &ThinkingSupport{Min: 128, Max: 32768, ZeroAllowed: false, DynamicAllowed: true},
+			},
+			{
+				ID:                         "gemini-flash-latest",
+				Object:                     "model",
+				Created:                    time.Now().Unix(),
+				OwnedBy:                    "google",
+				Type:                       "gemini",
+				Name:                       "models/gemini-flash-latest",
+				Version:                    "2.5",
+				DisplayName:                "Gemini Flash Latest",
+				Description:                "Latest release of Gemini Flash",
+				InputTokenLimit:            1048576,
+				OutputTokenLimit:           65536,
+				SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
+				Thinking:                   &ThinkingSupport{Min: 0, Max: 24576, ZeroAllowed: true, DynamicAllowed: true},
+			},
+			{
+				ID:                         "gemini-flash-lite-latest",
+				Object:                     "model",
+				Created:                    time.Now().Unix(),
+				OwnedBy:                    "google",
+				Type:                       "gemini",
+				Name:                       "models/gemini-flash-lite-latest",
+				Version:                    "2.5",
+				DisplayName:                "Gemini Flash-Lite Latest",
+				Description:                "Latest release of Gemini Flash-Lite",
+				InputTokenLimit:            1048576,
+				OutputTokenLimit:           65536,
+				SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
+				Thinking:                   &ThinkingSupport{Min: 512, Max: 24576, ZeroAllowed: true, DynamicAllowed: true},
+			},
+			{
+				ID:                         "gemini-2.5-flash-image-preview",
+				Object:                     "model",
+				Created:                    time.Now().Unix(),
+				OwnedBy:                    "google",
+				Type:                       "gemini",
+				Name:                       "models/gemini-2.5-flash-image-preview",
+				Version:                    "2.5",
+				DisplayName:                "Gemini 2.5 Flash Image Preview",
+				Description:                "State-of-the-art image generation and editing model.",
+				InputTokenLimit:            1048576,
+				OutputTokenLimit:           8192,
+				SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
+				// image models don't support thinkingConfig; leave Thinking nil
+			},
+			{
+				ID:                         "gemini-2.5-flash-image",
+				Object:                     "model",
+				Created:                    time.Now().Unix(),
+				OwnedBy:                    "google",
+				Type:                       "gemini",
+				Name:                       "models/gemini-2.5-flash-image",
+				Version:                    "2.5",
+				DisplayName:                "Gemini 2.5 Flash Image",
+				Description:                "State-of-the-art image generation and editing model.",
+				InputTokenLimit:            1048576,
+				OutputTokenLimit:           8192,
+				SupportedGenerationMethods: []string{"generateContent", "countTokens", "createCachedContent", "batchGenerateContent"},
+				// image models don't support thinkingConfig; leave Thinking nil
+			},
+		}...,
 	)
 }
 

internal/runtime/executor/claude_executor.go

@@ -532,13 +532,21 @@ func decodeResponseBody(body io.ReadCloser, contentEncoding string) (io.ReadClos
 func applyClaudeHeaders(r *http.Request, apiKey string, stream bool) {
 	r.Header.Set("Authorization", "Bearer "+apiKey)
 	r.Header.Set("Content-Type", "application/json")
-	r.Header.Set("Anthropic-Beta", "claude-code-20250219,oauth-2025-04-20,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14")
 
 	var ginHeaders http.Header
 	if ginCtx, ok := r.Context().Value("gin").(*gin.Context); ok && ginCtx != nil && ginCtx.Request != nil {
 		ginHeaders = ginCtx.Request.Header
 	}
 
+	if val := strings.TrimSpace(ginHeaders.Get("Anthropic-Beta")); val != "" {
+		if !strings.Contains(val, "oauth") {
+			val += ",oauth-2025-04-20"
+		}
+		r.Header.Set("Anthropic-Beta", val)
+	} else {
+		r.Header.Set("Anthropic-Beta", "claude-code-20250219,oauth-2025-04-20,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14")
+	}
+
 	misc.EnsureHeader(r.Header, ginHeaders, "Anthropic-Version", "2023-06-01")
 	misc.EnsureHeader(r.Header, ginHeaders, "Anthropic-Dangerous-Direct-Browser-Access", "true")
 	misc.EnsureHeader(r.Header, ginHeaders, "X-App", "cli")

internal/translator/gemini/claude/gemini_claude_request.go

@@ -120,6 +120,7 @@ func ConvertClaudeRequestToGemini(modelName string, inputRawJSON []byte, _ bool)
 				inputSchema := inputSchemaResult.Raw
 				tool, _ := sjson.Delete(toolResult.Raw, "input_schema")
 				tool, _ = sjson.SetRaw(tool, "parametersJsonSchema", inputSchema)
+				tool, _ = sjson.Delete(tool, "strict")
 				var toolDeclaration any
 				if err := json.Unmarshal([]byte(tool), &toolDeclaration); err == nil {
 					tools[0].FunctionDeclarations = append(tools[0].FunctionDeclarations, toolDeclaration)