Function getDbFileVersion

packages/node-runtime/src/cache/analytics-cache.ts:33–44

(dbPath: string)

 * actually exists.
 */
export function getDbFileVersion(dbPath: string): string {
  const parts: string[] = []
  for (const p of [dbPath, `${dbPath}-wal`]) {
    try {
      const st = fs.statSync(p)
      parts.push(`${Math.floor(st.mtimeMs)}:${st.size}`)
    } catch {
      parts.push('-')
    }
  }
  return parts.join('|')
}

/**
 * Cache-first analytics read with version validation.