fix: align channel config schemas and env precedence

src/channels/plugins/config-schema.ts

@@ -1,6 +1,6 @@
 import type { ZodTypeAny } from "zod";
 
-import type { ChannelConfigSchema } from "./types.js";
+import type { ChannelConfigSchema } from "./types.plugin.js";
 
 export function buildChannelConfigSchema(schema: ZodTypeAny): ChannelConfigSchema {
   return {

src/telegram/accounts.test.ts

@@ -27,7 +27,7 @@ describe("resolveTelegramAccount", () => {
     }
   });
 
-  it("prefers TELEGRAM_BOT_TOKEN when accountId is omitted", () => {
+  it("uses TELEGRAM_BOT_TOKEN when default account config is missing", () => {
     const prevTelegramToken = process.env.TELEGRAM_BOT_TOKEN;
     process.env.TELEGRAM_BOT_TOKEN = "tok-env";
     try {
@@ -50,6 +50,29 @@ describe("resolveTelegramAccount", () => {
     }
   });
 
+  it("prefers default config token over TELEGRAM_BOT_TOKEN", () => {
+    const prevTelegramToken = process.env.TELEGRAM_BOT_TOKEN;
+    process.env.TELEGRAM_BOT_TOKEN = "tok-env";
+    try {
+      const cfg: ClawdbotConfig = {
+        channels: {
+          telegram: { botToken: "tok-config" },
+        },
+      };
+
+      const account = resolveTelegramAccount({ cfg });
+      expect(account.accountId).toBe("default");
+      expect(account.token).toBe("tok-config");
+      expect(account.tokenSource).toBe("config");
+    } finally {
+      if (prevTelegramToken === undefined) {
+        delete process.env.TELEGRAM_BOT_TOKEN;
+      } else {
+        process.env.TELEGRAM_BOT_TOKEN = prevTelegramToken;
+      }
+    }
+  });
+
   it("does not fall back when accountId is explicitly provided", () => {
     const prevTelegramToken = process.env.TELEGRAM_BOT_TOKEN;
     process.env.TELEGRAM_BOT_TOKEN = "";

src/telegram/accounts.ts

@@ -74,8 +74,8 @@ export function resolveTelegramAccount(params: {
   if (primary.tokenSource !== "none") return primary;
 
   // If accountId is omitted, prefer a configured account token over failing on
-  // the implicit "default" account. This keeps env-based setups working (env
-  // still wins) while making config-only tokens work for things like heartbeats.
+  // the implicit "default" account. This keeps env-based setups working while
+  // making config-only tokens work for things like heartbeats.
   const fallbackId = resolveDefaultTelegramAccountId(params.cfg);
   if (fallbackId === primary.accountId) return primary;
   const fallback = resolve(fallbackId);