chore: complete clean Agent Desk source snapshot

web/lib/utils.ts

@@ -0,0 +1,78 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}
+
+export function generateUUID() {
+  if (typeof globalThis.crypto?.randomUUID === "function") {
+    return globalThis.crypto.randomUUID()
+  }
+
+  const bytes = new Uint8Array(16)
+  if (typeof globalThis.crypto?.getRandomValues === "function") {
+    globalThis.crypto.getRandomValues(bytes)
+  } else {
+    for (let i = 0; i < bytes.length; i += 1) {
+      bytes[i] = Math.floor(Math.random() * 256)
+    }
+  }
+
+  bytes[6] = (bytes[6] & 0x0f) | 0x40
+  bytes[8] = (bytes[8] & 0x3f) | 0x80
+
+  const hex = Array.from(bytes, (byte) => byte.toString(16).padStart(2, "0"))
+  return [
+    hex.slice(0, 4).join(""),
+    hex.slice(4, 6).join(""),
+    hex.slice(6, 8).join(""),
+    hex.slice(8, 10).join(""),
+    hex.slice(10, 16).join(""),
+  ].join("-")
+}
+
+function pad(value: number) {
+  return value.toString().padStart(2, "0")
+}
+
+export function formatDateTime(value?: string | number | Date | null) {
+  if (!value) {
+    return "-"
+  }
+
+  const date = value instanceof Date ? value : new Date(value)
+  if (Number.isNaN(date.getTime())) {
+    return "-"
+  }
+
+  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())} ${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`
+}
+
+export function parseApiTimestamp(
+  value?: string | number | Date | null
+): number {
+  if (value === null || value === undefined) {
+    return 0
+  }
+  if (value instanceof Date) {
+    const time = value.getTime()
+    return Number.isFinite(time) ? time : 0
+  }
+  if (typeof value === "number") {
+    return Number.isFinite(value) ? value : 0
+  }
+  if (typeof value !== "string") {
+    return 0
+  }
+  const trimmed = value.trim()
+  if (!trimmed) {
+    return 0
+  }
+  let normalized = trimmed.replace(" ", "T")
+  if (!/(Z|[+-]\d{2}(?::?\d{2})?)$/i.test(normalized)) {
+    normalized += "Z"
+  }
+  const timestamp = Date.parse(normalized)
+  return Number.isFinite(timestamp) ? timestamp : 0
+}