docs: fix API contract mismatch

API contract mismatch: this endpoint accepts only content but the implementation guidance in lines 66-67 and week-5-frontend-plan.md line 66 shows POST /api/stories accepting { title, content, triggers }. The backend contract should match the actual expected request body format.

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: ArchILLtect

docs/weekly-reports/week-5/week-5-plan-frontend-draft.md

@@ -32,7 +32,7 @@ Reference files that likely already exist:
 ---
 
 ## 🔌 Backend Contracts (assumed per Week 5 BE plan)
-- `POST /api/stories` `{ content }` → **201** `{ id, authorId, content, createdAt, updatedAt? }`
+- `POST /api/stories` `{ title, content, triggers }` → **201** `{ id, authorId, title, content, triggers, createdAt, updatedAt? }`
 - `GET  /api/stories?limit=20&before=<ISO>` → **200** `Story[]` (recent first)
 - `GET  /api/me/stories` → **200** `Story[]` (current user’s stories, recent first)
 - `DELETE /api/stories/{id}` → **204** on owner; **403** not owner; **404** unknown