style: 收紧思考与工具轨迹间距

src/client/components/messages/MessageTimeline.vue

@@ -167,6 +167,7 @@ defineExpose({ scrollToMessage, scrollToBottom })
           :class="[`message--${message.role}`, {
             'message--failed': message.status === 'failed',
             'message--tool-only': message.role === 'assistant' && !message.content && !message.reasoning && Boolean(message.tools?.length),
+            'message--assistant-internal': message.role === 'assistant' && !message.content.trim(),
             'message--assistant-anonymous': message.role === 'assistant' && !showAssistantIdentity,
           }]"
         >
@@ -280,7 +281,8 @@ defineExpose({ scrollToMessage, scrollToBottom })
 .message--system { justify-content: center; }.message--system .message__avatar, .message--system .message__meta { display: none; }.message--system .message__body { max-width: 82%; padding: 6px 10px; border: 1px solid var(--line); border-radius: 9px; color: var(--text-muted); text-align: center; }
 .delegation-event { min-width: 230px; max-width: 460px; text-align: left; }.delegation-event summary { display: flex; align-items: center; gap: 8px; cursor: pointer; list-style: none; }.delegation-event summary::-webkit-details-marker { display: none; }.delegation-event summary > span { display: flex; min-width: 0; flex-direction: column; gap: 2px; }.delegation-event strong { color: var(--text-secondary); font-size: 11px; font-weight: 650; }.delegation-event small { color: var(--text-muted); font-size: 9px; }.delegation-event :deep(.markdown) { max-height: 260px; margin-top: 9px; overflow: auto; color: var(--text-secondary); font-size: 10px; }
 .system-event { max-width: 460px; text-align: left; }.system-event summary { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; list-style: none; color: var(--text-muted); font-size: 10px; }.system-event summary::-webkit-details-marker { display: none; }.system-event :deep(.markdown) { max-height: 220px; margin-top: 8px; overflow: auto; color: var(--text-secondary); font-size: 10px; }
-.message--tool-only { margin-block: 9px; }.message--tool-only .message__avatar, .message--tool-only .message__meta, .message--tool-only .message__actions { display: none; }.message--tool-only .message__body { max-width: 100%; }
+.message--tool-only { margin-block: 4px; }.message--tool-only .message__avatar, .message--tool-only .message__meta, .message--tool-only .message__actions { display: none; }.message--tool-only .message__body { max-width: 100%; }
+.message--assistant-internal { margin-bottom: 6px; }.message--assistant-internal .message__reasoning { margin-bottom: 4px; padding-bottom: 4px; }.message--assistant-internal .message__tools { margin-top: 4px; }
 .message--assistant-anonymous .message__body { max-width: min(680px, 100%); }
 .message__reasoning { max-width: 420px; margin: 3px 0 10px; padding: 0 0 8px; border: 0; border-bottom: 1px dashed var(--line-strong); color: var(--text-secondary); font-size: 11px; }.message__reasoning summary { display: flex; align-items: center; gap: 5px; list-style: none; color: var(--text-muted); cursor: pointer; font-size: 9px; }.message__reasoning summary::-webkit-details-marker { display: none; }.message__reasoning summary::before { content: '›'; color: var(--text-muted); font-size: 14px; line-height: 1; transition: transform 120ms ease; }.message__reasoning[open] summary::before { transform: rotate(90deg); }.message__reasoning :deep(.markdown) { margin-top: 8px; }
 .fork-divider { display: flex; align-items: center; gap: 12px; margin: 8px 0 28px; color: var(--text-muted); font-size: 10px; }.fork-divider::before, .fork-divider::after { height: 1px; flex: 1; background: var(--line); content: ''; }.fork-divider > span { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface-raised); white-space: nowrap; }.fork-divider strong { max-width: 180px; overflow: hidden; color: var(--text-secondary); text-overflow: ellipsis; }

tests/e2e/workspace.spec.ts

@@ -133,6 +133,7 @@ test('keeps the canonical logo and yaoyao-webui composer geometry', async ({ pag
   await expect(assistantMessage.locator('.message__actions')).toHaveCSS('opacity', '1')
   await expect(page.locator('.message--tool-only .message__actions')).toHaveCount(0)
   await expect(page.locator('[data-message-id="message-thinking-tool"] .message__actions')).toHaveCount(0)
+  await expect(page.locator('[data-message-id="message-thinking-tool"]')).toHaveClass(/message--assistant-internal/)
   await expect(page.locator('.message--user .message__meta')).toHaveCSS('display', 'none')
   await expect(page.getByRole('button', { name: '会话操作' })).toBeVisible()
   await page.getByRole('button', { name: '会话操作' }).click()