fix(discord): unify reconnect watchdog and land #31025/#30530

Landed follow-up intent from contributor PR #31025 (@theotarr) and PR #30530 (@liuxiaopai-ai).

Co-authored-by: theotarr <theotarr@users.noreply.github.com>
Co-authored-by: liuxiaopai-ai <liuxiaopai-ai@users.noreply.github.com>

extensions/discord/src/channel.ts

@@ -343,6 +343,11 @@ export const discordPlugin: ChannelPlugin<ResolvedDiscordAccount> = {
     defaultRuntime: {
       accountId: DEFAULT_ACCOUNT_ID,
       running: false,
+      connected: false,
+      reconnectAttempts: 0,
+      lastConnectedAt: null,
+      lastDisconnect: null,
+      lastEventAt: null,
       lastStartAt: null,
       lastStopAt: null,
       lastError: null,
@@ -394,6 +399,11 @@ export const discordPlugin: ChannelPlugin<ResolvedDiscordAccount> = {
         lastStartAt: runtime?.lastStartAt ?? null,
         lastStopAt: runtime?.lastStopAt ?? null,
         lastError: runtime?.lastError ?? null,
+        connected: runtime?.connected ?? false,
+        reconnectAttempts: runtime?.reconnectAttempts,
+        lastConnectedAt: runtime?.lastConnectedAt ?? null,
+        lastDisconnect: runtime?.lastDisconnect ?? null,
+        lastEventAt: runtime?.lastEventAt ?? null,
         application: app ?? undefined,
         bot: bot ?? undefined,
         probe,
@@ -445,6 +455,7 @@ export const discordPlugin: ChannelPlugin<ResolvedDiscordAccount> = {
         abortSignal: ctx.abortSignal,
         mediaMaxMb: account.config.mediaMaxMb,
         historyLimit: account.config.historyLimit,
+        setStatus: (patch) => ctx.setStatus({ accountId: account.accountId, ...patch }),
       });
     },
   },