Add dispute system

frontend/src/api/assignments.ts

@@ -0,0 +1,34 @@
+import client from './client'
+import type { AssignmentDetail, Dispute, DisputeComment, ReturnedAssignment } from '@/types'
+
+export const assignmentsApi = {
+  // Get detailed assignment info with proofs and dispute
+  getDetail: async (assignmentId: number): Promise<AssignmentDetail> => {
+    const response = await client.get<AssignmentDetail>(`/assignments/${assignmentId}`)
+    return response.data
+  },
+
+  // Create a dispute against an assignment
+  createDispute: async (assignmentId: number, reason: string): Promise<Dispute> => {
+    const response = await client.post<Dispute>(`/assignments/${assignmentId}/dispute`, { reason })
+    return response.data
+  },
+
+  // Add a comment to a dispute
+  addComment: async (disputeId: number, text: string): Promise<DisputeComment> => {
+    const response = await client.post<DisputeComment>(`/disputes/${disputeId}/comments`, { text })
+    return response.data
+  },
+
+  // Vote on a dispute (true = valid/proof is OK, false = invalid/proof is not OK)
+  vote: async (disputeId: number, vote: boolean): Promise<{ message: string }> => {
+    const response = await client.post<{ message: string }>(`/disputes/${disputeId}/vote`, { vote })
+    return response.data
+  },
+
+  // Get current user's returned assignments
+  getReturnedAssignments: async (marathonId: number): Promise<ReturnedAssignment[]> => {
+    const response = await client.get<ReturnedAssignment[]>(`/marathons/${marathonId}/returned-assignments`)
+    return response.data
+  },
+}