feat: enhance task persistence and implement centralized kanban board

app/composables/useCanvas.ts

@@ -47,9 +47,20 @@ export const useCanvas = () => {
       width: n.width || 300,
       height: n.height || 200,
       text: n.text,
+      label: n.label,
       file: n.file,
       frontmatter: n.frontmatter,
       state: n.state || 'pending',
+      priority: n.priority,
+      assigned_to: n.assigned_to,
+      alarm: n.alarm,
+      script_id: n.script_id,
+      prompt: n.prompt,
+      url: n.url,
+      method: n.method,
+      repo: n.repo,
+      branch: n.branch,
+      message: n.message,
       style: n.style || {}
     }))
 

app/composables/useUnsavedChanges.ts

@@ -10,8 +10,13 @@ export const useUnsavedChanges = () => {
     
     if (lastSavedData.value && currentData.value !== lastSavedData.value) {
       isDirty.value = true
+      console.log('[DEBUG Unsaved] Changed to dirty because data is different')
     } else if (!lastSavedData.value) {
       isDirty.value = true
+      console.log('[DEBUG Unsaved] Changed to dirty because no lastSavedData')
+    } else {
+      isDirty.value = false
+      console.log('[DEBUG Unsaved] Not dirty, data is identical')
     }
   }
   
@@ -20,6 +25,7 @@ export const useUnsavedChanges = () => {
     lastSavedData.value = JSON.stringify(data)
     currentData.value = lastSavedData.value
     isDirty.value = false
+    console.log('[DEBUG Unsaved] Marked as saved, isDirty = false')
   }
   
   // Reset dirty state