fix: resolve content area height issue in StandardizedToolWrapper

- Remove conflicting height calc in contentStyle (was conflicting with flex:1)
- Use minHeight:0 to allow proper flex shrinking
- Add debug logging for pin toggle to diagnose pin button issues

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/components/StandardizedToolWrapper.tsx

@@ -277,14 +277,13 @@ export const StandardizedToolWrapper: React.FC<StandardizedToolWrapperProps> = (
 
   const contentStyle: React.CSSProperties = {
     width: '100%',
-    height: isMinimized ? 0 : 'calc(100% - 40px)',
+    minHeight: 0, // Allow flex shrinking
     overflow: 'auto',
     position: 'relative',
     pointerEvents: 'auto',
-    transition: 'height 0.2s ease',
     display: 'flex',
     flexDirection: 'column',
-    flex: 1,
+    flex: 1, // Take remaining space after header and tags
   }
 
   const tagsContainerStyle: React.CSSProperties = {

src/hooks/usePinnedToView.ts

@@ -79,6 +79,7 @@ export function usePinnedToView(
 
     // If just became pinned (transition from false to true)
     if (isPinned && !wasPinnedRef.current) {
+      console.log('📌 usePinnedToView: Shape became PINNED', shapeId)
       // Clear any leftover state from previous pin sessions
       clearPinState()
 
@@ -151,6 +152,7 @@ export function usePinnedToView(
 
     // If just became unpinned, animate back to original coordinates
     if (!isPinned && wasPinnedRef.current) {
+      console.log('📌 usePinnedToView: Shape became UNPINNED', shapeId)
       // Cancel any ongoing animations
       if (driftAnimationRef.current) {
         cancelAnimationFrame(driftAnimationRef.current)

src/shapes/PromptShapeUtil.tsx

@@ -392,6 +392,7 @@ export class PromptShape extends BaseBoxShapeUtil<IPrompt> {
     }
 
     const handlePinToggle = () => {
+      console.log('📌 Pin toggle clicked, current state:', shape.props.pinnedToView, '-> new state:', !shape.props.pinnedToView)
       this.editor.updateShape<IPrompt>({
         id: shape.id,
         type: shape.type,