chore: add default scripts

backend/internal/storage/sqlite.go

@@ -49,5 +49,12 @@ func Open(path string) (*sql.DB, error) {
 		return nil, fmt.Errorf("migrate scripts: %w", err)
 	}
 
+	// Seed default diagnostic scripts
+	if _, err := db.Exec(SeedDefaultScripts); err != nil {
+		log.Printf("[sqlite] WARNING: failed to seed default scripts: %v", err)
+	} else {
+		log.Println("[sqlite] default scripts seeded successfully")
+	}
+
 	return db, nil
 }