feat: remove API key requirement for local AI services

- Make API key optional for local services like Ollama
- Update validation logic to support key-less configurations
- Update UI descriptions and localization for optional API key

Signed-off-by: ChaoLiu <chaoliu719@gmail.com>

plugin/ai/client.go

@@ -11,7 +11,7 @@ import (
 
 	"github.com/openai/openai-go/v2"
 	"github.com/openai/openai-go/v2/option"
-	
+
 	storepb "github.com/usememos/memos/proto/gen/store"
 )
 
@@ -51,9 +51,9 @@ func LoadConfigFromEnv() *Config {
 		TimeoutSeconds: timeoutSeconds,
 	}
 
-	// Enable AI if all required fields are provided
+	// Enable AI if all required fields are provided (API Key is optional for local services like Ollama)
-	config.Enabled = config.BaseURL != "" && config.APIKey != "" && config.Model != ""
+	config.Enabled = config.BaseURL != "" && config.Model != ""
-	
+
 	return config
 }
 
@@ -81,7 +81,7 @@ func LoadConfigFromDatabase(aiSetting *storepb.WorkspaceAISetting) *Config {
 // Environment variables take precedence if they are set
 func (c *Config) MergeWithEnv() *Config {
 	envConfig := LoadConfigFromEnv()
-	
+
 	// Start with current config
 	merged := &Config{
 		Enabled:        c.Enabled,
@@ -90,7 +90,7 @@ func (c *Config) MergeWithEnv() *Config {
 		Model:          c.Model,
 		TimeoutSeconds: c.TimeoutSeconds,
 	}
-	
+
 	// Override with env vars if they are set
 	if envConfig.BaseURL != "" {
 		merged.BaseURL = envConfig.BaseURL
@@ -104,16 +104,16 @@ func (c *Config) MergeWithEnv() *Config {
 	if os.Getenv("AI_TIMEOUT_SECONDS") != "" {
 		merged.TimeoutSeconds = envConfig.TimeoutSeconds
 	}
-	
+
-	// Enable if all required fields are present
+	// Enable if all required fields are present (API Key is optional for local services like Ollama)
-	merged.Enabled = merged.BaseURL != "" && merged.APIKey != "" && merged.Model != ""
+	merged.Enabled = merged.BaseURL != "" && merged.Model != ""
-	
+
 	return merged
 }
 
 // IsConfigured returns true if AI is properly configured
 func (c *Config) IsConfigured() bool {
-	return c.Enabled && c.BaseURL != "" && c.APIKey != "" && c.Model != ""
+	return c.Enabled && c.BaseURL != "" && c.Model != ""
 }
 
 // Client wraps OpenAI client with convenience methods

server/router/api/v1/workspace_service.go

@@ -397,12 +397,6 @@ func (s *APIV1Service) TestAiConnection(ctx context.Context, request *v1pb.TestA
 			Message: "Base URL is required",
 		}, nil
 	}
-	if request.ApiKey == "" {
-		return &v1pb.TestAiConnectionResponse{
-			Success: false,
-			Message: "API Key is required",
-		}, nil
-	}
 	if request.Model == "" {
 		return &v1pb.TestAiConnectionResponse{
 			Success: false,

web/src/components/Settings/AISettings.tsx

@@ -48,8 +48,8 @@ const AISettings = observer(() => {
   };
 
   const updateSetting = async () => {
-    if (aiSetting.enableAi && (!aiSetting.apiKey || !aiSetting.model)) {
+    if (aiSetting.enableAi && !aiSetting.model) {
-      toast.error(t("setting.ai-section.api-key-model-required"));
+      toast.error(t("setting.ai-section.model-required"));
       return;
     }
 
@@ -65,7 +65,7 @@ const AISettings = observer(() => {
   const resetSetting = () => setAiSetting(originalSetting);
 
   const testConnection = async () => {
-    if (!aiSetting.baseUrl || !aiSetting.apiKey || !aiSetting.model) {
+    if (!aiSetting.baseUrl || !aiSetting.model) {
       toast.error(t("setting.ai-section.test-connection-incomplete"));
       return;
     }
@@ -222,7 +222,7 @@ const AISettings = observer(() => {
             <Button
               variant="outline"
               onClick={testConnection}
-              disabled={isTestingConnection || !aiSetting.baseUrl || !aiSetting.apiKey || !aiSetting.model}
+              disabled={isTestingConnection || !aiSetting.baseUrl || !aiSetting.model}
             >
               {isTestingConnection ? t("setting.ai-section.testing-connection") : t("setting.ai-section.test-connection")}
             </Button>

web/src/locales/en.json

@@ -331,7 +331,7 @@
       "base-url": "Base URL",
       "base-url-description": "API endpoint for your AI service (e.g., https://api.openai.com/v1)",
       "api-key": "API Key",
-      "api-key-description": "Authentication key for your AI service",
+      "api-key-description": "Authentication key for your AI service (optional for local services like Ollama)",
       "model": "Model",
       "model-description": "AI model to use for processing requests (e.g., gpt-4o, claude-3-5-sonnet-20241022)",
       "timeout": "Timeout (seconds)",
@@ -341,9 +341,8 @@
       "test-connection-description": "Verify that your AI service configuration is working",
       "test-connection-success": "Connection successful! AI service is properly configured.",
       "test-connection-failed": "Connection failed. Please check your configuration.",
-      "test-connection-incomplete": "Please fill in all required fields before testing.",
+      "test-connection-incomplete": "Please fill in Base URL and Model before testing.",
-      "fields-required": "All fields are required when AI is enabled.",
+      "model-required": "Model is required when AI is enabled."
-      "api-key-model-required": "API key and model are required when AI is enabled."
     },
     "tag-recommendation": {
       "title": "Tag Recommendation",

web/src/locales/zh-Hans.json

@@ -329,7 +329,7 @@
       "base-url": "基础 URL",
       "base-url-description": "AI 服务的 API 端点（例如：https://api.openai.com/v1）",
       "api-key": "API 密钥",
-      "api-key-description": "AI 服务的身份验证密钥",
+      "api-key-description": "AI 服务的身份验证密钥（本地服务如 Ollama 可选）",
       "model": "模型",
       "model-description": "用于处理请求的 AI 模型（例如：gpt-4o, claude-3-5-sonnet-20241022）",
       "timeout": "超时（秒）",
@@ -339,9 +339,8 @@
       "test-connection-description": "验证您的 AI 服务配置是否正常工作",
       "test-connection-success": "连接成功！AI 服务配置正确。",
       "test-connection-failed": "连接失败。请检查您的配置。",
-      "test-connection-incomplete": "请在测试前填写所有必填字段。",
+      "test-connection-incomplete": "请在测试前填写基础 URL 和模型。",
-      "fields-required": "启用 AI 时，所有字段都是必填的。",
+      "model-required": "启用 AI 时，模型是必填的。"
-      "api-key-model-required": "启用 AI 时，API 密钥和模型是必填的。"
     },
     "sso": "单点登录",
     "sso-section": {