Delete internal directory

internal/handler/project_resolve.go

@@ -1,18 +0,0 @@
-package handler
-
-import (
-	"strings"
-
-	"cyberstrike-ai/internal/config"
-)
-
-// effectiveProjectID 请求/队列显式项目优先，否则使用 config.project.default_project_id。
-func effectiveProjectID(cfg *config.Config, explicit string) string {
-	if pid := strings.TrimSpace(explicit); pid != "" {
-		return pid
-	}
-	if cfg != nil {
-		return strings.TrimSpace(cfg.Project.DefaultProjectID)
-	}
-	return ""
-}