fix(core): prevent ai input tip loop-play (#12600)

### TL;DR

* fix(core): prevent ai input tip loop-play

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
  - Added an option to control whether tips in the AI chat composer scroll continuously or stop after the last tip.

- **Style**
  - Improved layout and spacing in the embedding status tooltip for better readability and alignment.

- **Refactor**
  - Updated the structure of elements in the embedding status tooltip for more consistent formatting.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/core/src/blocksuite/ai/components/ai-chat-composer/ai-chat-composer-tip.ts

@@ -34,10 +34,14 @@ export class AIChatComposerTip extends LitElement {
   @property({ attribute: false })
   accessor tips: TemplateResult[] = [];
 
+  @property({ attribute: false })
+  accessor loop: boolean = true;
+
   private readonly _interval = 5000;
   private readonly _animDuration = 500;
   private _tipIntervalId: number | null = null;
   private _tipListElement: HTMLDivElement | null = null;
+  private _currentIndex: number = 0;
 
   override connectedCallback() {
     super.connectedCallback();
@@ -76,6 +80,10 @@ export class AIChatComposerTip extends LitElement {
 
   private _startAutoScroll() {
     this._stopAutoScroll();
+    if (!this.loop && this._currentIndex >= this.tips.length - 1) {
+      return;
+    }
+    this._currentIndex = 0;
     this._tipIntervalId = window.setInterval(() => {
       this._scrollToNext();
     }, this._interval);
@@ -91,6 +99,11 @@ export class AIChatComposerTip extends LitElement {
   private _scrollToNext() {
     if (this.tips.length <= 1 || !this._tipListElement) return;
 
+    if (!this.loop && this._currentIndex >= this.tips.length - 1) {
+      this._stopAutoScroll();
+      return;
+    }
+
     const list = this._tipListElement;
     const firstItem = list.firstElementChild as HTMLElement;
 
@@ -100,11 +113,23 @@ export class AIChatComposerTip extends LitElement {
     list.style.transition = 'margin-top ' + this._animDuration + 'ms';
     list.style.marginTop = '-' + TIP_HEIGHT + 'px';
 
-    // After the animation ends: reorder the list and reset the position
-    setTimeout(function () {
-      list.style.transition = 'none'; // Immediately disable transition to reset position instantly without animation
-      list.append(firstItem); // Move the original first item to the bottom to achieve cyclic order
-      list.style.marginTop = '0'; // Reset the list position to the initial state
+    setTimeout(() => {
+      list.style.transition = 'none';
+      if (this.loop) {
+        list.append(firstItem);
+        list.style.marginTop = '0';
+        this._currentIndex++;
+      } else {
+        // Non-looping: only scroll if not at the last tip
+        if (this._currentIndex < this.tips.length - 1) {
+          list.append(firstItem);
+          list.style.marginTop = '0';
+          this._currentIndex++;
+        } else {
+          // When reaching the last tip, keep the position unchanged
+          list.style.marginTop = '0';
+        }
+      }
     }, this._animDuration);
   }
 

packages/frontend/core/src/blocksuite/ai/components/ai-chat-composer/ai-chat-composer.ts

@@ -153,6 +153,7 @@ export class AIChatComposer extends SignalWatcher(
             html`<span>AI outputs can be misleading or wrong</span>`,
             html`<ai-chat-embedding-status-tooltip .host=${this.host} />`,
           ]}
+          .loop=${false}
         ></ai-chat-composer-tip>
       </div>
     </div>`;

packages/frontend/core/src/blocksuite/ai/components/ai-chat-input/embedding-status-tooltip.ts

@@ -9,9 +9,14 @@ import { AIProvider } from '../../provider/ai-provider';
 
 export class AIChatEmbeddingStatusTooltip extends SignalWatcher(LitElement) {
   static override styles = css`
+    :host {
+      width: 100%;
+    }
     .embedding-status {
       display: flex;
+      width: 100%;
       align-items: center;
+      justify-content: space-between;
       gap: 4px;
       user-select: none;
     }
@@ -80,17 +85,19 @@ export class AIChatEmbeddingStatusTooltip extends SignalWatcher(LitElement) {
         class="embedding-status"
         data-testid="ai-chat-embedding-status-tooltip"
       >
-        <span class="embedding-status-text">
+        <div class="embedding-status-text">
           Better results after embedding finished.
-        </span>
-        <span
+        </div>
+        <div
           class="check-status"
           data-testid="ai-chat-embedding-status-tooltip-check"
           @mouseenter=${this._handleCheckStatusMouseEnter}
         >
           Check status
-        </span>
-        <affine-tooltip>${this.progressText}</affine-tooltip>
+          <affine-tooltip tip-position="top-start"
+            >${this.progressText}</affine-tooltip
+          >
+        </div>
       </div>
     `;
   }