refactor: align source-first schema surfaces

src/components/focus/FocusPanel.tsx

@@ -291,7 +291,7 @@ export default function FocusPanel({
   };
 
   const startSourceEdit = () => {
-    setSourceEditValue(currentNode?.source || currentNode?.chunk || '');
+    setSourceEditValue(currentNode?.source || '');
     setSourceEditMode(true);
   };
 
@@ -598,7 +598,7 @@ export default function FocusPanel({
   };
 
   const renderSourceSection = () => {
-    const sourceContent = currentNode?.source || currentNode?.chunk || '';
+    const sourceContent = currentNode?.source || '';
 
     return (
       <section

src/components/layout/ThreePanelLayout.tsx

@@ -235,7 +235,6 @@ export default function ThreePanelLayout() {
         title: node.title,
         link: node.link,
         source: node.source,
-        notes: node.notes,
         dimensions: node.dimensions,
         created_at: node.created_at,
         updated_at: node.updated_at,

src/components/views/DatabaseTableView.tsx

@@ -483,11 +483,11 @@ export default function DatabaseTableView({ onNodeClick, refreshToken = 0, toolb
                       </div>
                     </td>
 
-                    {/* Notes */}
+                    {/* Source */}
                     <td style={tdStyle()}>
                       <div style={truncCell}>
                         <span style={{ fontSize: '11px', color: 'var(--rah-text-soft)' }}>
-                          {(node.source || node.notes) ? (node.source || node.notes || '').slice(0, 120) : '\u2014'}
+                          {node.source ? node.source.slice(0, 120) : '\u2014'}
                         </span>
                       </div>
                     </td>
@@ -576,7 +576,7 @@ export default function DatabaseTableView({ onNodeClick, refreshToken = 0, toolb
                     <td style={tdStyle()}>
                       <div style={truncCell}>
                         <span style={{ fontSize: '10px', color: 'var(--rah-text-muted)' }}>
-                          {(node.source || node.chunk) ? (node.source || node.chunk || '').slice(0, 100) : '\u2014'}
+                          {node.source ? node.source.slice(0, 100) : '\u2014'}
                         </span>
                       </div>
                     </td>

src/components/views/GridView.tsx

@@ -104,7 +104,7 @@ export default function GridView({ nodes, onNodeClick }: GridViewProps) {
               </div>
 
               {/* Description or Content Preview */}
-              {(node.description || node.source || node.notes) && (
+              {(node.description || node.source) && (
                 <div style={{
                   flex: 1,
                   fontSize: '11px',
@@ -116,7 +116,7 @@ export default function GridView({ nodes, onNodeClick }: GridViewProps) {
                   WebkitBoxOrient: 'vertical',
                   marginBottom: '10px'
                 }}>
-                  {node.description || truncateContent(node.source || node.notes)}
+                  {node.description || truncateContent(node.source)}
                 </div>
               )}
 

src/components/views/ListView.tsx

@@ -105,7 +105,7 @@ export default function ListView({ nodes, onNodeClick }: ListViewProps) {
               </div>
 
               {/* Description or Content Preview */}
-              {(node.description || node.source || node.notes) && (
+              {(node.description || node.source) && (
                 <div style={{
                   fontSize: '12px',
                   color: '#666',
@@ -116,7 +116,7 @@ export default function ListView({ nodes, onNodeClick }: ListViewProps) {
                   WebkitBoxOrient: 'vertical',
                   overflow: 'hidden'
                 }}>
-                  {node.description || truncateContent(node.source || node.notes)}
+                  {node.description || truncateContent(node.source)}
                 </div>
               )}