Revert "fix: filter out web_search/websearch tools unsupported by Kiro API"

This reverts commit 5dc936a9a4.

internal/translator/kiro/claude/kiro_claude_request.go

@@ -17,6 +17,7 @@ import (
 	"github.com/tidwall/gjson"
 )
 
+
 // Kiro API request structs - field order determines JSON key order
 
 // KiroPayload is the top-level request structure for Kiro API
@@ -33,6 +34,7 @@ type KiroInferenceConfig struct {
 	TopP        float64 `json:"topP,omitempty"`
 }
 
+
 // KiroConversationState holds the conversation context
 type KiroConversationState struct {
 	ChatTriggerType string               `json:"chatTriggerType"` // Required: "MANUAL" - must be first field
@@ -378,6 +380,7 @@ func hasThinkingTagInBody(body []byte) bool {
 	return strings.Contains(bodyStr, "<thinking_mode>") || strings.Contains(bodyStr, "<max_thinking_length>")
 }
 
+
 // IsThinkingEnabledFromHeader checks if thinking mode is enabled via Anthropic-Beta header.
 // Claude CLI uses "Anthropic-Beta: interleaved-thinking-2025-05-14" to enable thinking.
 func IsThinkingEnabledFromHeader(headers http.Header) bool {
@@ -517,15 +520,6 @@ func convertClaudeToolsToKiro(tools gjson.Result) []KiroToolWrapper {
 
 	for _, tool := range tools.Array() {
 		name := tool.Get("name").String()
-
-		// Filter out web_search/websearch tools (Kiro API doesn't support them)
-		// This matches the behavior in AIClient-2-API/claude-kiro.js
-		nameLower := strings.ToLower(name)
-		if nameLower == "web_search" || nameLower == "websearch" {
-			log.Debugf("kiro: skipping unsupported tool: %s", name)
-			continue
-		}
-
 		description := tool.Get("description").String()
 		inputSchemaResult := tool.Get("input_schema")
 		var inputSchema interface{}