fix: create database directory before opening SQLite file

internal/storage/sqlite.go

@@ -2,6 +2,8 @@ package storage
 
 import (
 	"database/sql"
+	"os"
+	"path/filepath"
 
 	_ "modernc.org/sqlite"
 )
@@ -11,6 +13,10 @@ type DB struct {
 }
 
 func Open(path string) (*DB, error) {
+	dir := filepath.Dir(path)
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		return nil, err
+	}
 	db, err := sql.Open("sqlite", path+"?_pragma=journal_mode(WAL)&_pragma=busy_timeout(5000)&_pragma=foreign_keys(1)")
 	if err != nil {
 		return nil, err