fix: align channel config schemas and env precedence

extensions/zalo/src/channel.ts

@@ -1,8 +1,10 @@
-import type { ChannelDock, ChannelPlugin } from "../../src/channels/plugins/types.js";
-import type { ChannelAccountSnapshot } from "../../src/channels/plugins/types.js";
+import type { ChannelAccountSnapshot } from "../../../src/channels/plugins/types.js";
+import type { ChannelDock, ChannelPlugin } from "../../../src/channels/plugins/types.js";
+import { buildChannelConfigSchema } from "../../../src/channels/plugins/config-schema.js";
 
 import { listZaloAccountIds, resolveDefaultZaloAccountId, resolveZaloAccount, type ResolvedZaloAccount } from "./accounts.js";
 import { zaloMessageActions } from "./actions.js";
+import { ZaloConfigSchema } from "./config-schema.js";
 import {
   deleteAccountFromConfigSection,
   setAccountEnabledInConfigSection,
@@ -81,6 +83,7 @@ export const zaloPlugin: ChannelPlugin<ResolvedZaloAccount> = {
     blockStreaming: true,
   },
   reload: { configPrefixes: ["channels.zalo"] },
+  configSchema: buildChannelConfigSchema(ZaloConfigSchema),
   config: {
     listAccountIds: (cfg) => listZaloAccountIds(cfg as CoreConfig),
     resolveAccount: (cfg, accountId) => resolveZaloAccount({ cfg: cfg as CoreConfig, accountId }),

extensions/zalo/src/config-schema.ts

@@ -0,0 +1,22 @@
+import { z } from "zod";
+
+const allowFromEntry = z.union([z.string(), z.number()]);
+
+const zaloAccountSchema = z.object({
+  name: z.string().optional(),
+  enabled: z.boolean().optional(),
+  botToken: z.string().optional(),
+  tokenFile: z.string().optional(),
+  webhookUrl: z.string().optional(),
+  webhookSecret: z.string().optional(),
+  webhookPath: z.string().optional(),
+  dmPolicy: z.enum(["pairing", "allowlist", "open", "disabled"]).optional(),
+  allowFrom: z.array(allowFromEntry).optional(),
+  mediaMaxMb: z.number().optional(),
+  proxy: z.string().optional(),
+});
+
+export const ZaloConfigSchema = zaloAccountSchema.extend({
+  accounts: z.object({}).catchall(zaloAccountSchema).optional(),
+  defaultAccount: z.string().optional(),
+});

extensions/zalo/src/send.ts

@@ -37,7 +37,7 @@ function resolveSendContext(options: ZaloSendOptions): {
 
   const token = options.token ?? resolveZaloToken(undefined, options.accountId).token;
   const proxy = options.proxy;
-  return { token: token || process.env.ZALO_BOT_TOKEN?.trim() || "", fetcher: resolveZaloProxyFetch(proxy) };
+  return { token, fetcher: resolveZaloProxyFetch(proxy) };
 }
 
 export async function sendMessageZalo(