chore: sync from fn-registry agent

copied.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"fn-registry/functions/infra"
+)
+
+// persistCopiedCode runs infra.AuditCopiedCode and INSERT OR IGNOREs results
+// into the copied_code table. Returns (newly_inserted, total_detected, error).
+func persistCopiedCode(callDB *DB, registryRoot string) (int, int, error) {
+	entries, err := infra.AuditCopiedCode(registryRoot)
+	if err != nil {
+		return 0, 0, fmt.Errorf("audit: %w", err)
+	}
+	now := time.Now().UTC().Unix()
+	tx, err := callDB.conn.Begin()
+	if err != nil {
+		return 0, 0, err
+	}
+	stmt, err := tx.Prepare(`INSERT OR IGNORE INTO copied_code
+		(app_file, app_function, registry_id, body_hash, similarity, kind, detected_at)
+		VALUES (?, ?, ?, ?, ?, ?, ?)`)
+	if err != nil {
+		_ = tx.Rollback()
+		return 0, 0, err
+	}
+	defer stmt.Close()
+	inserted := 0
+	for _, e := range entries {
+		res, err := stmt.Exec(e.AppFile, e.AppFunction, e.RegistryID, e.BodyHash, e.Similarity, e.Kind, now)
+		if err != nil {
+			_ = tx.Rollback()
+			return 0, 0, err
+		}
+		if n, _ := res.RowsAffected(); n > 0 {
+			inserted++
+		}
+	}
+	if err := tx.Commit(); err != nil {
+		return 0, 0, err
+	}
+	return inserted, len(entries), nil
+}