Align MCP OAuth and tool approval cards with agent tool timeline UX.

Unify inline interaction styling with tool steps: timeline icon placement, shimmer pending state, collapsible JSON args, and lighter status rows.

frontend/src/i18n/locales/en-US.ts

@@ -5036,6 +5036,7 @@ export default {
     toolApproval: {
       banner: 'This MCP tool requires human approval. Review parameters before execution.',
       waiting: 'Awaiting review · {target}',
+      waitingStatus: 'Awaiting review',
       targetWithTool: '{service} › {tool}',
       titleWithTarget: 'Review · {service} › {tool}',
       resolvedApproved: 'Approved · {target}',
@@ -5058,6 +5059,7 @@ export default {
     mcpOAuth: {
       banner: 'This MCP service requires OAuth authorization before it can be used',
       waiting: 'Awaiting authorization · {target}',
+      waitingStatus: 'Awaiting authorization',
       targetWithTool: '{service} › {tool}',
       titleWithService: 'OAuth · {service}',
       titleWithTool: 'OAuth · {service} › {tool}',

frontend/src/i18n/locales/ko-KR.ts

@@ -5053,6 +5053,7 @@ export default {
     toolApproval: {
       banner: '이 MCP 도구는 수동 승인이 필요합니다. 실행 전 매개변수를 확인하세요.',
       waiting: '승인 대기 · {target}',
+      waitingStatus: '승인 대기',
       targetWithTool: '{service} › {tool}',
       titleWithTarget: '검토 · {service} › {tool}',
       resolvedApproved: '승인됨 · {target}',
@@ -5075,6 +5076,7 @@ export default {
     mcpOAuth: {
       banner: '이 MCP 서비스는 OAuth 인증 후에 사용할 수 있습니다',
       waiting: '인증 대기 · {target}',
+      waitingStatus: '인증 대기',
       targetWithTool: '{service} › {tool}',
       titleWithService: 'OAuth · {service}',
       titleWithTool: 'OAuth · {service} › {tool}',

frontend/src/i18n/locales/ru-RU.ts

@@ -4553,6 +4553,7 @@ export default {
     toolApproval: {
       banner: 'Этот инструмент MCP требует подтверждения. Проверьте параметры.',
       waiting: 'Ожидание проверки · {target}',
+      waitingStatus: 'Ожидание проверки',
       targetWithTool: '{service} › {tool}',
       titleWithTarget: 'Проверка · {service} › {tool}',
       resolvedApproved: 'Подтверждено · {target}',
@@ -4575,6 +4576,7 @@ export default {
     mcpOAuth: {
       banner: 'Этот MCP-сервис требует авторизации OAuth перед использованием',
       waiting: 'Ожидание авторизации · {target}',
+      waitingStatus: 'Ожидание авторизации',
       targetWithTool: '{service} › {tool}',
       titleWithService: 'OAuth · {service}',
       titleWithTool: 'OAuth · {service} › {tool}',

frontend/src/i18n/locales/zh-CN.ts

@@ -5049,6 +5049,7 @@ export default {
     toolApproval: {
       banner: "该 MCP 工具已标记为「需人工审核」，确认参数后再执行",
       waiting: "等待审核 · {target}",
+      waitingStatus: "等待审核",
       targetWithTool: "{service} › {tool}",
       titleWithTarget: "人工审核 · {service} › {tool}",
       resolvedApproved: "已通过 · {target}",
@@ -5071,6 +5072,7 @@ export default {
     mcpOAuth: {
       banner: "该 MCP 服务需要 OAuth 授权后才能调用",
       waiting: "等待授权 · {target}",
+      waitingStatus: "等待授权",
       targetWithTool: "{service} › {tool}",
       titleWithService: "OAuth 授权 · {service}",
       titleWithTool: "OAuth 授权 · {service} › {tool}",

frontend/src/views/chat/components/McpOAuthCard.vue

@@ -1,35 +1,30 @@
 <template>
-  <div class="action-card interaction-inline" :class="cardClass">
+  <div class="action-card interaction-inline" :class="{ 'action-pending': !resolved }">
     <div class="action-header no-results">
       <div class="action-title">
         <t-icon class="action-title-icon" :name="headerIcon" />
-        <span class="action-name">{{ titleLine }}</span>
+        <span class="action-name">{{ mainTitle }}</span>
+      </div>
+    </div>
+    <div class="interaction-status-summary">
+      <div class="results-summary-text">
+        <span v-if="resolved" class="status-label">{{ statusLine }}</span>
         <span v-if="!resolved" class="inline-actions">
-          <button
-            type="button"
-            class="inline-action"
-            :disabled="canceling || authorizing"
-            @click="skip"
-          >
+          <button type="button" class="inline-action" :disabled="canceling || authorizing" @click="skip">
             {{ $t('agentStream.mcpOAuth.skip') }}
           </button>
           <span class="inline-dot">·</span>
-          <button
-            type="button"
-            class="inline-action is-primary"
-            :disabled="authorizing || canceling"
-            @click="authorize"
-          >
+          <button type="button" class="inline-action is-primary" :disabled="authorizing || canceling"
+            @click="authorize">
             {{ $t('agentStream.mcpOAuth.authorize') }}
           </button>
         </span>
-        <span
-          v-if="!resolved && secondsLeft >= 0"
-          class="action-timer"
-          :class="timerClass"
-        >
-          {{ formatCountdown(secondsLeft) }}
-        </span>
+        <template v-if="!resolved && secondsLeft >= 0">
+          <span class="inline-dot">·</span>
+          <span class="action-timer" :class="timerClass">
+            {{ formatCountdown(secondsLeft) }}
+          </span>
+        </template>
       </div>
     </div>
   </div>
@@ -98,22 +93,21 @@ const targetLabel = computed(() => (
     : props.serviceName
 ))
 
-const titleLine = computed(() => {
+const mainTitle = computed(() => {
   if (!props.resolved) {
     return t('agentStream.mcpOAuth.waiting', { target: targetLabel.value })
   }
-  if (props.authorized) {
-    return t('agentStream.mcpOAuth.resolvedAuthorized', { target: targetLabel.value })
-  }
-  if (props.timedOut) return t('agentStream.mcpOAuth.resolvedTimedOut', { target: targetLabel.value })
-  return t('agentStream.mcpOAuth.resolvedCanceled', { target: targetLabel.value })
+  return props.mcpToolName
+    ? t('agentStream.mcpOAuth.titleWithTool', { service: props.serviceName, tool: props.mcpToolName })
+    : t('agentStream.mcpOAuth.titleWithService', { service: props.serviceName })
 })
 
-const cardClass = computed(() => ({
-  'action-pending': !props.resolved,
-  'action-success': !!props.resolved && !!props.authorized,
-  'action-error': !!props.resolved && !props.authorized,
-}))
+const statusLine = computed(() => {
+  if (!props.resolved) return t('agentStream.mcpOAuth.waitingStatus')
+  if (props.authorized) return t('agentStream.mcpOAuth.authorizedTag')
+  if (props.timedOut) return t('agentStream.mcpOAuth.timedOutTag')
+  return t('agentStream.mcpOAuth.canceledTag')
+})
 
 function formatCountdown(s: number): string {
   if (s < 60) return t('agentStream.mcpOAuth.countdownShort', { seconds: s })

frontend/src/views/chat/components/ToolApprovalCard.vue

@@ -1,21 +1,36 @@
 <template>
-  <div class="action-card interaction-inline" :class="cardClass">
+  <div class="action-card interaction-inline" :class="{ 'action-pending': !resolved }">
     <div class="action-header no-results">
       <div class="action-title">
         <t-icon class="action-title-icon" :name="headerIcon" />
-        <span class="action-name">{{ titleLine }}</span>
-        <span
-          v-if="!resolved && secondsLeft >= 0"
-          class="action-timer"
-          :class="timerClass"
-        >
-          {{ formatCountdown(secondsLeft) }}
-        </span>
+        <span class="action-name">{{ mainTitle }}</span>
       </div>
     </div>
 
-    <div v-if="!resolved" class="interaction-panel">
-      <div v-if="!isJsonValid || argsDirty" class="interaction-args-meta">
+    <div class="interaction-status-summary">
+      <div class="results-summary-text">
+        <span v-if="resolved" class="status-label">{{ statusLine }}</span>
+        <span v-if="!resolved" class="inline-actions">
+          <button type="button" class="inline-action" :disabled="submitting" @click.stop="submit('reject')">
+            {{ $t('agentStream.toolApproval.reject') }}
+          </button>
+          <span class="inline-dot">·</span>
+          <button type="button" class="inline-action is-primary" :disabled="submitting || !isJsonValid"
+            @click.stop="submit('approve')">
+            {{ $t('agentStream.toolApproval.approve') }}
+          </button>
+        </span>
+        <template v-if="!resolved && secondsLeft >= 0">
+          <span class="inline-dot">·</span>
+          <span class="action-timer" :class="timerClass">
+            {{ formatCountdown(secondsLeft) }}
+          </span>
+        </template>
+      </div>
+    </div>
+
+    <div v-if="!resolved && !argsExpanded && (!isJsonValid || argsDirty)" class="interaction-status-summary">
+      <div class="results-summary-text">
         <span v-if="!isJsonValid" class="args-status args-invalid">
           <t-icon name="error-circle" />
           {{ $t('agentStream.toolApproval.invalidJson') }}
@@ -24,37 +39,32 @@
           {{ $t('agentStream.toolApproval.argsModified') }}
         </span>
       </div>
-      <t-textarea
-        v-model="argsText"
-        class="interaction-args-input"
-        :autosize="{ minRows: 2, maxRows: 8 }"
-        placeholder="{}"
-      />
-      <div class="interaction-panel-actions">
-        <button
-          type="button"
-          class="inline-action"
-          :disabled="submitting"
-          @click="submit('reject')"
-        >
-          {{ $t('agentStream.toolApproval.reject') }}
-        </button>
-        <span class="inline-dot">·</span>
-        <button
-          type="button"
-          class="inline-action is-primary"
-          :disabled="submitting || !isJsonValid"
-          @click="submit('approve')"
-        >
-          {{ $t('agentStream.toolApproval.approve') }}
-        </button>
+    </div>
+
+    <div v-if="hasArgs" class="interaction-status-summary is-clickable" @click="toggleArgs">
+      <div class="results-summary-text args-toggle-row">
+        <span>{{ $t('agentStream.toolApproval.argsLabel') }}</span>
+        <t-icon class="args-toggle-icon" :name="argsExpanded ? 'chevron-down' : 'chevron-right'" />
       </div>
     </div>
 
-    <div v-else-if="argsText" class="interaction-panel">
-      <div class="detail-output-wrapper">
-        <div class="detail-output">{{ argsText }}</div>
+    <div v-if="hasArgs && argsExpanded" class="action-details">
+      <div v-if="!resolved && (!isJsonValid || argsDirty)" class="interaction-args-meta">
+        <span v-if="!isJsonValid" class="args-status args-invalid">
+          <t-icon name="error-circle" />
+          {{ $t('agentStream.toolApproval.invalidJson') }}
+        </span>
+        <span v-else-if="argsDirty" class="args-status args-dirty">
+          {{ $t('agentStream.toolApproval.argsModified') }}
+        </span>
       </div>
+
+      <div v-if="!resolved" class="interaction-args-block">
+        <t-textarea v-model="argsText" class="interaction-args-input" :autosize="{ minRows: 2, maxRows: 8 }"
+          placeholder="{}" @click.stop />
+      </div>
+
+      <div v-else class="interaction-args-preview">{{ argsText }}</div>
     </div>
   </div>
 </template>
@@ -90,10 +100,13 @@ function formatJson(raw: string): string {
 
 const initialArgs = formatJson(props.argsJson || '{}')
 const argsText = ref(initialArgs)
+const argsExpanded = ref(false)
 const submitting = ref(false)
 const now = ref(Date.now())
 let timer: ReturnType<typeof setInterval> | null = null
 
+const hasArgs = computed(() => argsText.value.trim().length > 0)
+
 const isJsonValid = computed(() => {
   if (!argsText.value.trim()) return true
   try {
@@ -136,17 +149,25 @@ const targetLabel = computed(() => (
   })
 ))
 
-const titleLine = computed(() => {
-  if (!props.resolved) return t('agentStream.toolApproval.waiting', { target: targetLabel.value })
-  if (props.approved) return t('agentStream.toolApproval.resolvedApproved', { target: targetLabel.value })
-  return t('agentStream.toolApproval.resolvedRejected', { target: targetLabel.value })
+const mainTitle = computed(() => {
+  if (!props.resolved) {
+    return t('agentStream.toolApproval.waiting', { target: targetLabel.value })
+  }
+  return t('agentStream.toolApproval.titleWithTarget', {
+    service: props.serviceName,
+    tool: props.mcpToolName,
+  })
 })
 
-const cardClass = computed(() => ({
-  'action-pending': !props.resolved,
-  'action-success': !!props.resolved && !!props.approved,
-  'action-error': !!props.resolved && !props.approved,
-}))
+const statusLine = computed(() => {
+  if (!props.resolved) return t('agentStream.toolApproval.waitingStatus')
+  if (props.approved) return t('agentStream.toolApproval.approvedTag')
+  return t('agentStream.toolApproval.rejectedTag')
+})
+
+function toggleArgs() {
+  argsExpanded.value = !argsExpanded.value
+}
 
 function formatCountdown(s: number): string {
   if (s < 60) return t('agentStream.toolApproval.countdownShort', { seconds: s })
@@ -174,6 +195,7 @@ const submit = async (decision: 'approve' | 'reject') => {
       try {
         modified = JSON.parse(argsText.value || '{}') as Record<string, unknown>
       } catch {
+        argsExpanded.value = true
         MessagePlugin.error(t('agentStream.toolApproval.invalidJson'))
         return
       }

frontend/src/views/chat/components/agent-interaction-card.less

@@ -1,4 +1,5 @@
 // Inline interaction rows for OAuth / tool-approval in agent stream.
+@import '../../../components/css/chat-timeline-loading.less';
 
 .action-card.interaction-inline {
   gap: 0;
@@ -19,13 +20,62 @@
   box-shadow: none;
   display: flex;
   flex-direction: column;
+}
 
-  &.action-error .action-title-icon.t-icon {
-    color: var(--td-error-color);
+.interaction-status-summary {
+  padding: 2px 0 0;
+
+  &.is-clickable {
+    cursor: pointer;
+    user-select: none;
+
+    .results-summary-text {
+      color: var(--td-text-color-placeholder);
+      transition: color 0.15s ease;
+    }
+
+    &:hover .results-summary-text {
+      color: var(--td-text-color-secondary);
+    }
   }
 
-  &.action-success .action-title-icon.t-icon {
-    color: var(--td-success-color);
+  .results-summary-text {
+    display: flex;
+    align-items: center;
+    flex-wrap: wrap;
+    gap: 6px;
+    font-size: var(--agent-step-summary-size, 13px);
+    font-weight: 400;
+    line-height: 1.55;
+    color: var(--td-text-color-secondary);
+  }
+
+  .status-label {
+    flex-shrink: 0;
+  }
+
+  .inline-actions {
+    display: inline-flex;
+    align-items: center;
+    gap: 6px;
+    flex-shrink: 0;
+  }
+
+  .action-timer {
+    font-size: 12px;
+    line-height: 1.55;
+    font-variant-numeric: tabular-nums;
+    color: var(--td-text-color-placeholder);
+    white-space: nowrap;
+    flex-shrink: 0;
+
+    &.timer-warning {
+      color: var(--td-warning-color);
+    }
+
+    &.timer-critical {
+      color: var(--td-error-color);
+    }
   }
 }
 
@@ -70,12 +120,16 @@
   display: flex;
   align-items: center;
   gap: 12px;
+  position: relative;
   flex: 1;
   min-width: 0;
   flex-wrap: wrap;
   row-gap: 2px;
 
   .action-title-icon.t-icon {
+    position: absolute;
+    left: -42px;
+    top: 3px;
     flex-shrink: 0;
     width: 18px;
     height: 18px;
@@ -99,7 +153,6 @@
   }
 
   .action-timer {
-    margin-left: auto;
     font-size: 12px;
     line-height: 1.55;
     font-variant-numeric: tabular-nums;
@@ -117,24 +170,39 @@
   }
 }
 
-.interaction-panel {
-  padding: 4px 0 0 30px;
-  display: flex;
-  flex-direction: column;
-  gap: 6px;
+.interaction-args-block {
+  padding: 4px 0 0;
+}
+
+.interaction-args-preview {
+  padding: 4px 0 0;
+  font-family: var(--app-font-family-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
+  font-size: var(--agent-step-summary-size, 13px);
+  line-height: 1.55;
+  color: var(--td-text-color-secondary);
+  white-space: pre-wrap;
+  word-break: break-word;
+  max-height: 160px;
+  overflow: auto;
 }
 
 .interaction-args-input {
   :deep(.t-textarea__inner) {
     font-family: var(--app-font-family-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
-    font-size: 11px;
+    font-size: var(--agent-step-summary-size, 13px);
     line-height: 1.55;
-    background: var(--td-bg-color-container);
-    border-color: var(--td-component-stroke);
-    color: var(--td-text-color-primary);
-    padding: 8px 10px;
-    border-radius: 6px;
-    min-height: 48px;
+    background: transparent;
+    border: 0;
+    box-shadow: none;
+    color: var(--td-text-color-secondary);
+    padding: 0;
+    border-radius: 0;
+    min-height: 36px;
+    resize: vertical;
+
+    &:focus {
+      box-shadow: none;
+    }
   }
 }
 
@@ -142,49 +210,47 @@
   display: flex;
   align-items: center;
   gap: 8px;
-  font-size: 11px;
+  font-size: var(--agent-step-summary-size, 13px);
   color: var(--td-text-color-placeholder);
 
   .args-status {
-    margin-left: auto;
     display: inline-flex;
     align-items: center;
     gap: 3px;
-    font-size: 11px;
+    font-size: var(--agent-step-summary-size, 13px);
   }
+}
 
-  .args-invalid {
+.args-status {
+  display: inline-flex;
+  align-items: center;
+  gap: 3px;
+  font-size: var(--agent-step-summary-size, 13px);
+
+  &.args-invalid {
     color: var(--td-error-color);
   }
 
-  .args-dirty {
+  &.args-dirty {
     color: var(--td-warning-color);
   }
 }
 
-.detail-output-wrapper {
-  background: var(--td-bg-color-secondarycontainer);
-  border: 1px solid var(--td-component-stroke);
-  border-radius: 6px;
-  overflow: hidden;
-
-  .detail-output {
-    font-family: var(--app-font-family-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
-    font-size: 11px;
-    color: var(--td-text-color-primary);
-    padding: 10px 12px;
-    margin: 0;
-    white-space: pre-wrap;
-    word-break: break-word;
-    line-height: 1.55;
-    max-height: 160px;
-    overflow: auto;
-    background: var(--td-bg-color-container);
-  }
+.action-details {
+  padding: 4px 0 0;
+  border-top: 0;
+  background: transparent;
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
 }
 
-.interaction-panel-actions {
-  display: inline-flex;
-  align-items: center;
-  gap: 6px;
+.args-toggle-row {
+  gap: 4px;
+}
+
+.args-toggle-icon {
+  flex-shrink: 0;
+  font-size: 12px;
+  color: var(--td-text-color-placeholder);
 }