diff --git a/apps/dashboard/src/App.tsx b/apps/dashboard/src/App.tsx
index 1380aeb..a8cc36a 100644
--- a/apps/dashboard/src/App.tsx
+++ b/apps/dashboard/src/App.tsx
@@ -1315,103 +1315,138 @@ function RoomActivityPanel({
   const task = activity.pairedTask;
   const turn = task?.currentTurn ?? null;
   const outputs = task?.outputs ?? [];
+  const latestOutput = outputs.at(-1) ?? null;
+  const progressText = turn
+    ? `${turn.role} · ${turn.intentKind} · ${t.rooms.attempt} ${turn.attemptNo}`
+    : t.rooms.noTurn;
 
   return (
     <div className="room-activity">
-      <div className="room-activity-grid">
-        <span>
-          <small>{t.rooms.task}</small>
-          <strong>{task?.title || task?.id || t.rooms.noTask}</strong>
-        </span>
-        <span>
-          <small>{t.rooms.currentTurn}</small>
-          <strong>
-            {turn
-              ? `${turn.role} · ${t.rooms.attempt} ${turn.attemptNo}`
-              : t.rooms.noTurn}
-          </strong>
-        </span>
-        <span>
-          <small>{t.rooms.round}</small>
-          <strong>{task ? task.roundTripCount : '-'}</strong>
-        </span>
-        <span>
-          <small>{t.rooms.updated}</small>
-          <strong>
-            {formatDate(turn?.updatedAt ?? task?.updatedAt, locale)}
-          </strong>
-        </span>
-      </div>
-
-      {turn ? (
-        <div className="room-turn-line">
+      <div className="room-progress-strip">
+        {turn ? (
           <span className={`pill pill-${turn.state}`}>
             {statusLabel(turn.state, t)}
           </span>
-          <span>{turn.intentKind}</span>
-          {turn.executorServiceId ? (
-            <span>{turn.executorServiceId}</span>
-          ) : null}
-          {turn.activeRunId ? (
-            <span className="mono-chip">{turn.activeRunId}</span>
-          ) : null}
-        </div>
-      ) : null}
-
-      {turn?.lastError ? (
-        <p className="room-activity-error">{turn.lastError}</p>
-      ) : null}
-
-      <div className="room-activity-columns">
-        <section>
-          <strong>{t.rooms.output}</strong>
-          {outputs.length === 0 ? (
-            <p className="room-muted">{t.rooms.noOutput}</p>
-          ) : (
-            <div className="room-output-list">
-              {[...outputs].reverse().map((output) => (
-                <article key={output.id} className="room-output-item">
-                  <header>
-                    <span>
-                      #{output.turnNumber} · {output.role}
-                      {output.verdict ? ` · ${output.verdict}` : ''}
-                    </span>
-                    <time>{formatDate(output.createdAt, locale)}</time>
-                  </header>
-                  <p>{output.outputText}</p>
-                </article>
-              ))}
-            </div>
-          )}
-        </section>
-        <section>
-          <strong>{t.rooms.recentMessages}</strong>
-          {activity.messages.length === 0 ? (
-            <p className="room-muted">{t.rooms.noMessages}</p>
-          ) : (
-            <div className="room-message-list">
-              {activity.messages.map((message) => (
-                <article
-                  className={`room-message-item ${
-                    message.isBotMessage ? 'room-message-bot' : ''
-                  }`}
-                  key={message.id}
-                >
-                  <header>
-                    <span>{message.senderName}</span>
-                    <time>{formatDate(message.timestamp, locale)}</time>
-                  </header>
-                  <p>{message.content}</p>
-                </article>
-              ))}
-            </div>
-          )}
-        </section>
+        ) : (
+          <span className="pill pill-inactive">{t.rooms.noTurn}</span>
+        )}
+        <strong>{progressText}</strong>
+        <span>{task ? `${t.rooms.round} ${task.roundTripCount}` : '-'}</span>
+        {turn?.executorServiceId ? <span>{turn.executorServiceId}</span> : null}
+        <time>{formatDate(turn?.updatedAt ?? task?.updatedAt, locale)}</time>
       </div>
+
+      <section className="room-latest-output">
+        <header>
+          <strong>{t.rooms.latestOutput}</strong>
+          {latestOutput ? (
+            <span>
+              #{latestOutput.turnNumber} · {latestOutput.role}
+              {latestOutput.verdict ? ` · ${latestOutput.verdict}` : ''}
+            </span>
+          ) : null}
+        </header>
+        {latestOutput ? (
+          <p>{latestOutput.outputText}</p>
+        ) : (
+          <p className="room-muted">{t.rooms.noOutput}</p>
+        )}
+      </section>
+
+      <details className="room-activity-details">
+        <summary>{t.rooms.details}</summary>
+        <div className="room-detail-grid">
+          <section>
+            <strong>{t.rooms.task}</strong>
+            <p className="room-muted">
+              {task?.title || task?.id || t.rooms.noTask}
+            </p>
+            <div className="room-turn-line">
+              {turn?.activeRunId ? (
+                <span className="mono-chip">{turn.activeRunId}</span>
+              ) : null}
+              {turn?.lastError ? (
+                <span className="room-activity-error">{turn.lastError}</span>
+              ) : null}
+            </div>
+          </section>
+          <section>
+            <strong>{t.rooms.outputHistory}</strong>
+            {outputs.length === 0 ? (
+              <p className="room-muted">{t.rooms.noOutput}</p>
+            ) : (
+              <div className="room-output-list">
+                {[...outputs].reverse().map((output) => (
+                  <article key={output.id} className="room-output-item">
+                    <header>
+                      <span>
+                        #{output.turnNumber} · {output.role}
+                        {output.verdict ? ` · ${output.verdict}` : ''}
+                      </span>
+                      <time>{formatDate(output.createdAt, locale)}</time>
+                    </header>
+                    <p>{output.outputText}</p>
+                  </article>
+                ))}
+              </div>
+            )}
+          </section>
+          <section>
+            <strong>{t.rooms.messageHistory}</strong>
+            {activity.messages.length === 0 ? (
+              <p className="room-muted">{t.rooms.noMessages}</p>
+            ) : (
+              <div className="room-message-list">
+                {activity.messages.map((message) => (
+                  <article
+                    className={`room-message-item ${
+                      message.isBotMessage ? 'room-message-bot' : ''
+                    }`}
+                    key={message.id}
+                  >
+                    <header>
+                      <span>{message.senderName}</span>
+                      <time>{formatDate(message.timestamp, locale)}</time>
+                    </header>
+                    <p>{message.content}</p>
+                  </article>
+                ))}
+              </div>
+            )}
+          </section>
+        </div>
+      </details>
     </div>
   );
 }
 
+function RoomComposeDetails({
+  busy,
+  onChange,
+  onSubmit,
+  t,
+  value,
+}: {
+  busy: boolean;
+  onChange: (value: string) => void;
+  onSubmit: () => void;
+  t: Messages;
+  value: string;
+}) {
+  return (
+    <details className="room-compose-details">
+      <summary>{t.rooms.message}</summary>
+      <RoomMessageForm
+        busy={busy}
+        onChange={onChange}
+        onSubmit={onSubmit}
+        t={t}
+        value={value}
+      />
+    </details>
+  );
+}
+
 function RoomPanel({
   onSendRoomMessage,
   roomActivity,
@@ -1502,8 +1537,8 @@ function RoomPanel({
                     t={t}
                   />
                 </td>
-                <td>
-                  <RoomMessageForm
+                <td className="room-message-cell">
+                  <RoomComposeDetails
                     busy={roomMessageKey === entry.jid}
                     onChange={(value) => setDraft(entry.jid, value)}
                     onSubmit={() => void submitRoomMessage(entry.jid)}
@@ -1550,7 +1585,7 @@ function RoomPanel({
               locale={locale}
               t={t}
             />
-            <RoomMessageForm
+            <RoomComposeDetails
               busy={roomMessageKey === entry.jid}
               onChange={(value) => setDraft(entry.jid, value)}
               onSubmit={() => void submitRoomMessage(entry.jid)}
diff --git a/apps/dashboard/src/i18n.ts b/apps/dashboard/src/i18n.ts
index b1c8df4..0c9fab8 100644
--- a/apps/dashboard/src/i18n.ts
+++ b/apps/dashboard/src/i18n.ts
@@ -158,8 +158,11 @@ export interface Messages {
     attempt: string;
     updated: string;
     output: string;
+    latestOutput: string;
+    outputHistory: string;
     noOutput: string;
     recentMessages: string;
+    messageHistory: string;
     noMessages: string;
     details: string;
     message: string;
@@ -446,8 +449,11 @@ export const messages = {
       attempt: '시도',
       updated: '갱신',
       output: '출력',
+      latestOutput: '마지막 출력',
+      outputHistory: '출력 기록',
       noOutput: '출력 없음',
-      recentMessages: '최근 메시지',
+      recentMessages: '메시지 기록',
+      messageHistory: '메시지 기록',
       noMessages: '메시지 없음',
       details: '세부',
       message: 'Message',
@@ -718,8 +724,11 @@ export const messages = {
       attempt: 'attempt',
       updated: 'updated',
       output: 'output',
+      latestOutput: 'latest output',
+      outputHistory: 'output log',
       noOutput: 'No output',
-      recentMessages: 'Recent messages',
+      recentMessages: 'Message log',
+      messageHistory: 'Message log',
       noMessages: 'No messages',
       details: 'details',
       message: 'message',
@@ -990,8 +999,11 @@ export const messages = {
       attempt: '尝试',
       updated: '更新',
       output: '输出',
+      latestOutput: '最新输出',
+      outputHistory: '输出记录',
       noOutput: '暂无输出',
-      recentMessages: '最近消息',
+      recentMessages: '消息记录',
+      messageHistory: '消息记录',
       noMessages: '暂无消息',
       details: '详情',
       message: 'Message',
@@ -1262,8 +1274,11 @@ export const messages = {
       attempt: '試行',
       updated: '更新',
       output: '出力',
+      latestOutput: '最新出力',
+      outputHistory: '出力履歴',
       noOutput: '出力なし',
-      recentMessages: '最近のメッセージ',
+      recentMessages: 'メッセージ履歴',
+      messageHistory: 'メッセージ履歴',
       noMessages: 'メッセージなし',
       details: '詳細',
       message: 'Message',
diff --git a/apps/dashboard/src/styles.css b/apps/dashboard/src/styles.css
index d4f8e82..53ab875 100644
--- a/apps/dashboard/src/styles.css
+++ b/apps/dashboard/src/styles.css
@@ -1328,16 +1328,16 @@ progress::-moz-progress-bar {
 }
 
 .room-activity-cell {
-  min-width: 360px;
+  min-width: 300px;
 }
 
 .room-activity {
   display: grid;
-  min-width: min(360px, 100%);
-  gap: 9px;
-  padding: 10px;
+  min-width: min(300px, 100%);
+  gap: 7px;
+  padding: 8px;
   border: 1px solid rgba(43, 55, 38, 0.1);
-  border-radius: 18px;
+  border-radius: 15px;
   background: rgba(255, 250, 240, 0.58);
 }
 
@@ -1348,38 +1348,28 @@ progress::-moz-progress-bar {
   font-weight: 800;
 }
 
-.room-activity-grid {
+.room-progress-strip {
   display: grid;
-  grid-template-columns: repeat(4, minmax(0, 1fr));
-  gap: 7px;
-}
-
-.room-activity-grid > span {
+  grid-template-columns: auto minmax(96px, 1fr) auto auto auto;
+  gap: 6px;
+  align-items: center;
   min-width: 0;
-  padding: 8px;
-  border-radius: 13px;
-  background: rgba(43, 55, 38, 0.045);
+  color: var(--muted);
+  font-size: 11px;
+  font-weight: 850;
 }
 
-.room-activity-grid small,
-.room-activity-grid strong {
-  display: block;
+.room-progress-strip strong,
+.room-progress-strip span,
+.room-progress-strip time {
   min-width: 0;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
-.room-activity-grid small {
-  color: var(--muted);
-  font-size: 10px;
-  font-weight: 850;
-  letter-spacing: 0.04em;
-  text-transform: uppercase;
-}
-
-.room-activity-grid strong {
-  margin-top: 3px;
+.room-progress-strip strong {
+  color: var(--ink);
   font-size: 12px;
 }
 
@@ -1398,33 +1388,85 @@ progress::-moz-progress-bar {
 }
 
 .room-activity-error {
-  margin: 0;
   color: #7c2518;
   font-size: 12px;
   font-weight: 850;
   overflow-wrap: anywhere;
 }
 
-.room-activity-columns {
-  display: grid;
-  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
-  gap: 9px;
-}
-
-.room-activity-columns > section {
+.room-latest-output {
   display: grid;
+  gap: 4px;
   min-width: 0;
-  align-content: start;
-  gap: 7px;
+  padding: 8px;
+  border-radius: 12px;
+  background: rgba(43, 55, 38, 0.045);
 }
 
-.room-activity-columns > section > strong {
+.room-latest-output header {
+  display: flex;
+  gap: 8px;
+  align-items: baseline;
+  justify-content: space-between;
+  color: var(--muted);
+  font-size: 11px;
+  font-weight: 850;
+}
+
+.room-latest-output strong,
+.room-detail-grid > section > strong {
   color: var(--bg-ink);
   font-size: 12px;
   letter-spacing: 0.06em;
   text-transform: uppercase;
 }
 
+.room-latest-output header span,
+.room-latest-output p {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.room-latest-output p {
+  display: -webkit-box;
+  margin: 0;
+  color: var(--ink);
+  font-size: 12px;
+  line-height: 1.32;
+  overflow-wrap: anywhere;
+  -webkit-box-orient: vertical;
+  -webkit-line-clamp: 2;
+}
+
+.room-activity-details,
+.room-compose-details {
+  min-width: 0;
+}
+
+.room-activity-details > summary,
+.room-compose-details > summary {
+  min-height: 32px;
+  color: var(--accent);
+  font-size: 12px;
+  font-weight: 900;
+  cursor: pointer;
+}
+
+.room-detail-grid {
+  display: grid;
+  gap: 8px;
+  min-width: 0;
+  padding-top: 6px;
+}
+
+.room-detail-grid > section {
+  display: grid;
+  min-width: 0;
+  align-content: start;
+  gap: 7px;
+}
+
 .room-output-list,
 .room-message-list {
   display: grid;
@@ -1486,6 +1528,14 @@ progress::-moz-progress-bar {
   -webkit-line-clamp: 4;
 }
 
+.room-message-cell {
+  width: 150px;
+}
+
+.room-compose-details .room-compose {
+  margin-top: 6px;
+}
+
 .task-board {
   display: grid;
   gap: 12px;
@@ -2165,9 +2215,13 @@ progress::-moz-progress-bar {
     min-width: 0;
   }
 
-  .room-activity-grid,
-  .room-activity-columns {
-    grid-template-columns: 1fr;
+  .room-progress-strip {
+    grid-template-columns: auto minmax(0, 1fr) auto;
+  }
+
+  .room-progress-strip span:nth-of-type(n + 3),
+  .room-progress-strip time {
+    display: none;
   }
 
   .inbox-summary,