fix: reload TUI history after reconnect

CHANGELOG.md

@@ -19,6 +19,7 @@ Docs: https://docs.clawd.bot
 - BlueBubbles: keep part-index GUIDs in reply tags when short IDs are missing.
 - Web UI: hide internal `message_id` hints in chat bubbles.
 - Heartbeat: normalize target identifiers for consistent routing.
+- TUI: reload history after gateway reconnect to restore session state. (#1663)
 - Telegram: use wrapped fetch for long-polling on Node to normalize AbortSignal handling. (#1639)
 - Exec: keep approvals for elevated ask unless full mode. (#1616) Thanks @ivancasco.
 - Agents: auto-compact on context overflow prompt errors before failing. (#1627) Thanks @rodrigouroz.

src/tui/tui.ts

@@ -90,6 +90,7 @@ export async function runTui(opts: TuiOptions) {
   let activeChatRunId: string | null = null;
   let historyLoaded = false;
   let isConnected = false;
+  let wasDisconnected = false;
   let toolsExpanded = false;
   let showThinking = false;
 
@@ -584,20 +585,18 @@ export async function runTui(opts: TuiOptions) {
 
   client.onConnected = () => {
     isConnected = true;
+    const reconnected = wasDisconnected;
+    wasDisconnected = false;
     setConnectionStatus("connected");
     void (async () => {
       await refreshAgents();
       updateHeader();
-      if (!historyLoaded) {
-        await loadHistory();
-        setConnectionStatus("gateway connected", 4000);
-        tui.requestRender();
-        if (!autoMessageSent && autoMessage) {
-          autoMessageSent = true;
-          await sendMessage(autoMessage);
-        }
-      } else {
-        setConnectionStatus("gateway reconnected", 4000);
+      await loadHistory();
+      setConnectionStatus(reconnected ? "gateway reconnected" : "gateway connected", 4000);
+      tui.requestRender();
+      if (!autoMessageSent && autoMessage) {
+        autoMessageSent = true;
+        await sendMessage(autoMessage);
       }
       updateFooter();
       tui.requestRender();
@@ -606,6 +605,8 @@ export async function runTui(opts: TuiOptions) {
 
   client.onDisconnected = (reason) => {
     isConnected = false;
+    wasDisconnected = true;
+    historyLoaded = false;
     const reasonLabel = reason?.trim() ? reason.trim() : "closed";
     setConnectionStatus(`gateway disconnected: ${reasonLabel}`, 5000);
     setActivityStatus("idle");