Delete internal directory

internal/project/stats.go

@@ -1,21 +0,0 @@
-package project
-
-import "cyberstrike-ai/internal/database"
-
-// GetProjectStats 聚合项目统计（含待补全事实数）。
-func GetProjectStats(db *database.DB, projectID string) (*database.ProjectStats, error) {
-	stats, err := db.GetProjectStatsCounts(projectID)
-	if err != nil {
-		return nil, err
-	}
-	rows, err := db.ListProjectFactsForSparseCheck(projectID)
-	if err != nil {
-		return nil, err
-	}
-	for _, r := range rows {
-		if IsSparseFactBody(r.Category, r.FactKey, r.Body) {
-			stats.SparseFactCount++
-		}
-	}
-	return stats, nil
-}