fix: align frontend status types with API string enum serialization

ASP.NET serializes C# enums as strings by default ("Pending", "Active"),
but frontend types used numeric values (0, 1). Changed WorkTaskStatus and
NoteType to string values matching API output.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

TaskTracker.Web/src/api/notes.ts

@@ -5,7 +5,7 @@ import type { TaskNote } from '../types'
 export function useCreateNote() {
   const qc = useQueryClient()
   return useMutation({
-    mutationFn: ({ taskId, content, type }: { taskId: number; content: string; type: number }) =>
+    mutationFn: ({ taskId, content, type }: { taskId: number; content: string; type: string }) =>
       request<TaskNote>({ method: 'POST', url: `/tasks/${taskId}/notes`, data: { content, type } }),
     onSuccess: () => qc.invalidateQueries({ queryKey: ['tasks'] }),
   })

TaskTracker.Web/src/components/KanbanBoard.tsx

@@ -70,11 +70,11 @@ export default function KanbanBoard({ tasks, isLoading, onTaskClick }: KanbanBoa
       if (!task) return
 
       // Determine target status from the droppable column ID
-      let targetStatus: number | null = null
+      let targetStatus: string | null = null
       const overId = String(over.id)
 
       if (overId.startsWith('column-')) {
-        targetStatus = Number(overId.replace('column-', ''))
+        targetStatus = overId.replace('column-', '')
       } else {
         // Dropped over another card - find which column it belongs to
         const overTaskId = Number(over.id)
@@ -136,7 +136,7 @@ export default function KanbanBoard({ tasks, isLoading, onTaskClick }: KanbanBoa
             color={col.color}
             tasks={col.tasks}
             onTaskClick={onTaskClick}
-            onAddTask={col.status === 0 ? () => {} : undefined}
+            onAddTask={col.status === WorkTaskStatus.Pending ? () => {} : undefined}
           />
         ))}
       </div>

TaskTracker.Web/src/components/KanbanColumn.tsx

@@ -2,12 +2,12 @@ import { useState } from 'react'
 import { useDroppable } from '@dnd-kit/core'
 import { SortableContext, verticalListSortingStrategy } from '@dnd-kit/sortable'
 import { Plus } from 'lucide-react'
-import type { WorkTask } from '../types/index.ts'
+import { WorkTaskStatus, type WorkTask } from '../types/index.ts'
 import TaskCard from './TaskCard.tsx'
 import CreateTaskForm from './CreateTaskForm.tsx'
 
 interface KanbanColumnProps {
-  status: number
+  status: string
   label: string
   color: string
   tasks: WorkTask[]
@@ -65,7 +65,7 @@ export default function KanbanColumn({
       </div>
 
       {/* Add task form / button (Pending column only) */}
-      {status === 0 && (
+      {status === WorkTaskStatus.Pending && (
         <div className="px-3 pb-3">
           {showForm ? (
             <CreateTaskForm onClose={() => setShowForm(false)} />

TaskTracker.Web/src/components/NotesList.tsx

@@ -9,7 +9,7 @@ interface NotesListProps {
   notes: TaskNote[]
 }
 
-const NOTE_TYPE_CONFIG: Record<number, { label: string; color: string }> = {
+const NOTE_TYPE_CONFIG: Record<string, { label: string; color: string }> = {
   [NoteType.PauseNote]: { label: 'Pause', color: '#f59e0b' },
   [NoteType.ResumeNote]: { label: 'Resume', color: '#6366f1' },
   [NoteType.General]: { label: 'General', color: '#64748b' },

TaskTracker.Web/src/components/SearchBar.tsx

@@ -99,12 +99,12 @@ export default function SearchBar({ onSelect }: SearchBarProps) {
     [isOpen, results, selectedIndex, handleSelect]
   )
 
-  const getStatusLabel = (status: number) => {
+  const getStatusLabel = (status: string) => {
     const col = COLUMN_CONFIG.find((c) => c.status === status)
     return col ? col.label : 'Unknown'
   }
 
-  const getStatusColor = (status: number) => {
+  const getStatusColor = (status: string) => {
     const col = COLUMN_CONFIG.find((c) => c.status === status)
     return col ? col.color : '#64748b'
   }

TaskTracker.Web/src/lib/constants.ts

@@ -1,8 +1,8 @@
 export const COLUMN_CONFIG = [
-  { status: 0, label: 'Pending', color: '#94a3b8' },
+  { status: 'Pending' as const, label: 'Pending', color: '#94a3b8' },
-  { status: 1, label: 'Active', color: '#06b6d4' },
+  { status: 'Active' as const, label: 'Active', color: '#06b6d4' },
-  { status: 2, label: 'Paused', color: '#f59e0b' },
+  { status: 'Paused' as const, label: 'Paused', color: '#f59e0b' },
-  { status: 3, label: 'Completed', color: '#10b981' },
+  { status: 'Completed' as const, label: 'Completed', color: '#10b981' },
 ] as const
 
 export const CATEGORY_COLORS: Record<string, string> = {

TaskTracker.Web/src/types/index.ts

@@ -1,16 +1,16 @@
 export const WorkTaskStatus = {
-  Pending: 0,
+  Pending: 'Pending',
-  Active: 1,
+  Active: 'Active',
-  Paused: 2,
+  Paused: 'Paused',
-  Completed: 3,
+  Completed: 'Completed',
-  Abandoned: 4,
+  Abandoned: 'Abandoned',
 } as const
 export type WorkTaskStatus = (typeof WorkTaskStatus)[keyof typeof WorkTaskStatus]
 
 export const NoteType = {
-  PauseNote: 0,
+  PauseNote: 'PauseNote',
-  ResumeNote: 1,
+  ResumeNote: 'ResumeNote',
-  General: 2,
+  General: 'General',
 } as const
 export type NoteType = (typeof NoteType)[keyof typeof NoteType]