fix: align telegram token resolution

src/commands/health.ts

@@ -1,5 +1,3 @@
-import fs from "node:fs";
-
 import { loadConfig } from "../config/config.js";
 import { loadSessionStore, resolveStorePath } from "../config/sessions.js";
 import { type DiscordProbe, probeDiscord } from "../discord/probe.js";
@@ -7,6 +5,7 @@ import { callGateway } from "../gateway/call.js";
 import { info } from "../globals.js";
 import type { RuntimeEnv } from "../runtime.js";
 import { probeTelegram, type TelegramProbe } from "../telegram/probe.js";
+import { resolveTelegramToken } from "../telegram/token.js";
 import { resolveHeartbeatSeconds } from "../web/reconnect.js";
 import {
   getWebAuthAgeMs,
@@ -55,25 +54,6 @@ export type HealthSummary = {
 
 const DEFAULT_TIMEOUT_MS = 10_000;
 
-function loadTelegramToken(cfg: ReturnType<typeof loadConfig>): string {
-  const env = process.env.TELEGRAM_BOT_TOKEN?.trim();
-  if (env) return env;
-
-  const tokenFile = cfg.telegram?.tokenFile?.trim();
-  if (tokenFile) {
-    try {
-      if (fs.existsSync(tokenFile)) {
-        const token = fs.readFileSync(tokenFile, "utf-8").trim();
-        if (token) return token;
-      }
-    } catch {
-      // Ignore errors; health should be non-fatal.
-    }
-  }
-
-  return cfg.telegram?.botToken?.trim() ?? "";
-}
-
 export async function getHealthSnapshot(
   timeoutMs?: number,
 ): Promise<HealthSummary> {
@@ -95,7 +75,7 @@ export async function getHealthSnapshot(
 
   const start = Date.now();
   const cappedTimeout = Math.max(1000, timeoutMs ?? DEFAULT_TIMEOUT_MS);
-  const telegramToken = loadTelegramToken(cfg);
+  const { token: telegramToken } = resolveTelegramToken(cfg);
   const telegramConfigured = telegramToken.trim().length > 0;
   const telegramProxy = cfg.telegram?.proxy;
   const telegramProbe = telegramConfigured