refactor: unify channel status snapshot base fields

extensions/mattermost/src/channel.ts

@@ -1,6 +1,7 @@
 import {
   applyAccountNameToChannelSection,
   applySetupAccountConfigPatch,
+  buildComputedAccountStatusSnapshot,
   buildChannelConfigSchema,
   DEFAULT_ACCOUNT_ID,
   deleteAccountFromConfigSection,
@@ -392,24 +393,24 @@ export const mattermostPlugin: ChannelPlugin<ResolvedMattermostAccount> = {
       }
       return await probeMattermost(baseUrl, token, timeoutMs);
     },
-    buildAccountSnapshot: ({ account, runtime, probe }) => ({
-      accountId: account.accountId,
-      name: account.name,
-      enabled: account.enabled,
-      configured: Boolean(account.botToken && account.baseUrl),
-      botTokenSource: account.botTokenSource,
-      baseUrl: account.baseUrl,
-      running: runtime?.running ?? false,
-      connected: runtime?.connected ?? false,
-      lastConnectedAt: runtime?.lastConnectedAt ?? null,
-      lastDisconnect: runtime?.lastDisconnect ?? null,
-      lastStartAt: runtime?.lastStartAt ?? null,
-      lastStopAt: runtime?.lastStopAt ?? null,
-      lastError: runtime?.lastError ?? null,
-      probe,
-      lastInboundAt: runtime?.lastInboundAt ?? null,
-      lastOutboundAt: runtime?.lastOutboundAt ?? null,
-    }),
+    buildAccountSnapshot: ({ account, runtime, probe }) => {
+      const base = buildComputedAccountStatusSnapshot({
+        accountId: account.accountId,
+        name: account.name,
+        enabled: account.enabled,
+        configured: Boolean(account.botToken && account.baseUrl),
+        runtime,
+        probe,
+      });
+      return {
+        ...base,
+        botTokenSource: account.botTokenSource,
+        baseUrl: account.baseUrl,
+        connected: runtime?.connected ?? false,
+        lastConnectedAt: runtime?.lastConnectedAt ?? null,
+        lastDisconnect: runtime?.lastDisconnect ?? null,
+      };
+    },
   },
   setup: {
     resolveAccountId: ({ accountId }) => normalizeAccountId(accountId),