feat: add plugin HTTP hooks + Zalo plugin

extensions/zalo/src/status-issues.ts

@@ -0,0 +1,50 @@
+import type { ChannelAccountSnapshot, ChannelStatusIssue } from "../../src/channels/plugins/types.js";
+
+type ZaloAccountStatus = {
+  accountId?: unknown;
+  enabled?: unknown;
+  configured?: unknown;
+  dmPolicy?: unknown;
+};
+
+const isRecord = (value: unknown): value is Record<string, unknown> =>
+  Boolean(value && typeof value === "object");
+
+const asString = (value: unknown): string | undefined =>
+  typeof value === "string" ? value : typeof value === "number" ? String(value) : undefined;
+
+function readZaloAccountStatus(value: ChannelAccountSnapshot): ZaloAccountStatus | null {
+  if (!isRecord(value)) return null;
+  return {
+    accountId: value.accountId,
+    enabled: value.enabled,
+    configured: value.configured,
+    dmPolicy: value.dmPolicy,
+  };
+}
+
+export function collectZaloStatusIssues(
+  accounts: ChannelAccountSnapshot[],
+): ChannelStatusIssue[] {
+  const issues: ChannelStatusIssue[] = [];
+  for (const entry of accounts) {
+    const account = readZaloAccountStatus(entry);
+    if (!account) continue;
+    const accountId = asString(account.accountId) ?? "default";
+    const enabled = account.enabled !== false;
+    const configured = account.configured === true;
+    if (!enabled || !configured) continue;
+
+    if (account.dmPolicy === "open") {
+      issues.push({
+        channel: "zalo",
+        accountId,
+        kind: "config",
+        message:
+          'Zalo dmPolicy is "open", allowing any user to message the bot without pairing.',
+        fix: 'Set channels.zalo.dmPolicy to "pairing" or "allowlist" to restrict access.',
+      });
+    }
+  }
+  return issues;
+}