diff --git a/examples/ai-streaming/src/index.tsx b/examples/ai-streaming/src/index.tsx
index c172a666d..e8c98f0b3 100644
--- a/examples/ai-streaming/src/index.tsx
+++ b/examples/ai-streaming/src/index.tsx
@@ -40,7 +40,7 @@ class AIStreamingApp extends Widget {
         this.addChild(this._toolCall);
         this.addChild(this._streamingText);
 
-        setInterval(() => {
+        clearInterval(window.__interval); window.__interval = setInterval(() => {
             this._streamingText.tick();
         }, 50);
     }
diff --git a/examples/chat-app/src/index.tsx b/examples/chat-app/src/index.tsx
index a3a2ddb14..0d405714e 100644
--- a/examples/chat-app/src/index.tsx
+++ b/examples/chat-app/src/index.tsx
@@ -257,7 +257,7 @@ function parseBlocks(text: string): Block[] {
         }
 
         // ── Handle Paragraphs ────────────────────────
-        if (line.trim() === '') {
+        if (line.trim().length === 0) {
             blocks.push({
                 type: 'paragraph',
                 text: '',
diff --git a/packages/ui/src/Form.ts b/packages/ui/src/Form.ts
index bf96ede6b..38d630037 100644
--- a/packages/ui/src/Form.ts
+++ b/packages/ui/src/Form.ts
@@ -138,3 +138,5 @@ export class Form extends Widget {
         }
     }
 }
+
+.catch(err => console.error("Promise.all failed:", err));
\ No newline at end of file
diff --git a/packages/ui/src/Switch.ts b/packages/ui/src/Switch.ts
index 7c24941a5..d9a1e01d0 100644
--- a/packages/ui/src/Switch.ts
+++ b/packages/ui/src/Switch.ts
@@ -114,7 +114,7 @@ export class Switch extends Widget {
         if (width <= 0) return;
 
         const attrs = styleToCellAttrs(this.style);
-        const knobPos = Math.round(this._animProgress * 2);
+        const knobPos = Math.round(this._animProgress * 2 + Number.EPSILON);
         const transitioning = this._animProgress > 0 && this._animProgress < 1;
 
         let trackChars: string[];