chore: auto-commit (23 archivos)

- app.md
- backend/auth.go
- backend/db.go
- backend/dist/assets/index-CPqSy0gZ.js
- backend/dist/index.html
- backend/handlers.go
- backend/main.go
- frontend/src/App.tsx
- frontend/src/api.ts
- frontend/src/components/KanbanCard.tsx
- ...

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/src/api.ts

@@ -2,6 +2,7 @@ import type {
   Board,
   Card,
   CardHistoryResponse,
+  CardMessage,
   Column,
   Metrics,
   MetricsFilter,
@@ -22,6 +23,10 @@ export function getBoard(): Promise<Board> {
   return fetchJSON("/board");
 }
 
+export function getFlags(): Promise<Record<string, boolean>> {
+  return fetchJSON("/flags");
+}
+
 export function createColumn(name: string): Promise<Column> {
   return fetchJSON("/columns", { method: "POST", body: JSON.stringify({ name }) });
 }
@@ -112,6 +117,25 @@ export function cardHistory(id: string): Promise<CardHistoryResponse> {
   return fetchJSON(`/cards/${id}/history`);
 }
 
+export function listCardMessages(id: string): Promise<CardMessage[]> {
+  return fetchJSON(`/cards/${id}/messages`);
+}
+
+export function createCardMessage(id: string, body: string): Promise<CardMessage> {
+  return fetchJSON(`/cards/${id}/messages`, {
+    method: "POST",
+    body: JSON.stringify({ body }),
+  });
+}
+
+export function deleteCardMessage(cardId: string, messageId: string): Promise<void> {
+  return fetchJSON(`/cards/${cardId}/messages/${messageId}`, { method: "DELETE" });
+}
+
+export function duplicateCard(id: string): Promise<Card> {
+  return fetchJSON(`/cards/${id}/duplicate`, { method: "POST" });
+}
+
 export interface ChatMessage {
   role: "user" | "assistant";
   content: string;