fix: lint errors - use modules/json, http.MethodPost, remove unused func

cmd/mcp-server/main.go

@@ -25,7 +25,7 @@ package main
 import (
 	"bufio"
 	"bytes"
-	"encoding/json"
+	"code.gitea.io/gitea/modules/json"
 	"flag"
 	"fmt"
 	"io"
@@ -111,7 +111,7 @@ func main() {
 func forwardToGitea(request []byte) ([]byte, error) {
 	mcpURL := giteaURL + "/api/v2/mcp"
 
-	req, err := http.NewRequest("POST", mcpURL, bytes.NewReader(request))
+	req, err := http.NewRequest(http.MethodPost, mcpURL, bytes.NewReader(request))
 	if err != nil {
 		return nil, fmt.Errorf("create request: %w", err)
 	}

routers/api/v2/mcp.go

@@ -4,7 +4,7 @@
 package v2
 
 import (
-	"encoding/json"
+	"code.gitea.io/gitea/modules/json"
 	"errors"
 	"fmt"
 	"io"
@@ -777,16 +777,4 @@ func toolGetRelease(ctx *context.APIContext, args map[string]any) (any, error) {
 		"asset_count":   len(assets),
 	}, nil
 }
-
-// Helper to parse int from interface - unused but kept for future use
-func getIntArg(args map[string]any, key string) (int64, bool) {
-	if v, ok := args[key].(float64); ok {
-		return int64(v), true
-	}
-	if v, ok := args[key].(string); ok {
-		if i, err := strconv.ParseInt(v, 10, 64); err == nil {
-			return i, true
-		}
-	}
-	return 0, false
 }