Add web search capabilities

config.go

@@ -15,6 +15,14 @@ type MCPServer struct {
 	AllowedTools       []string `json:"allowed_tools,omitempty"`
 }
 
+type WebSearchConfig struct {
+	AllowedDomains   []string `json:"allowed_domains,omitempty"`
+	BlockedDomains   []string `json:"blocked_domains,omitempty"`
+	MaxUses          int      `json:"max_uses,omitempty"`
+	Fetch            bool     `json:"fetch,omitempty"`
+	MaxContentTokens int      `json:"max_content_tokens,omitempty"`
+}
+
 const (
 	ThinkingModeAdaptive      = "adaptive"
 	ThinkingModeDisabled      = "disabled"
@@ -43,6 +51,7 @@ type BotConfig struct {
 	ElevenLabsModel   string            `json:"elevenlabs_model"`
 	DebugScreening    bool              `json:"debug_screening"`
 	MCPServers        []MCPServer       `json:"mcp_servers,omitempty"`
+	WebSearch         *WebSearchConfig  `json:"web_search,omitempty"`
 	ConfigFilePath    string            `json:"-"`
 }
 
@@ -112,6 +121,11 @@ func loadAllConfigs(dir string) ([]BotConfig, error) {
 					config.ID, config.MaxTokens)
 			}
 
+			if ws := config.WebSearch; ws != nil && len(ws.AllowedDomains) == 0 && len(ws.BlockedDomains) == 0 {
+				InfoLogger.Printf("[%s] web_search enabled with no allowed_domains/blocked_domains: the model may search the open web",
+					config.ID)
+			}
+
 			config.ConfigFilePath = validPath
 			configs = append(configs, config)
 		}
@@ -168,6 +182,18 @@ func validateConfig(config *BotConfig, ids, tokens map[string]bool) error {
 		return fmt.Errorf("'max_tokens' must be greater than 0 when set")
 	}
 
+	if ws := config.WebSearch; ws != nil {
+		if len(ws.AllowedDomains) > 0 && len(ws.BlockedDomains) > 0 {
+			return fmt.Errorf("'web_search' cannot set both allowed_domains and blocked_domains (the API rejects that)")
+		}
+		if ws.MaxUses < 0 {
+			return fmt.Errorf("'web_search.max_uses' must be greater than 0 when set")
+		}
+		if ws.MaxContentTokens < 0 {
+			return fmt.Errorf("'web_search.max_content_tokens' must be greater than 0 when set")
+		}
+	}
+
 	if config.MessagePerHour <= 0 {
 		return fmt.Errorf("'messages_per_hour' must be greater than 0")
 	}