Support both goal and problem_statement parameter inputs in EternityInitRequest endpoint

backend.py

@@ -1406,8 +1406,9 @@ async def delete_session(req: SessionDeleteRequest, authorization: str = Header(
 from datetime import datetime, timedelta, timezone
 
 class EternityInitRequest(BaseModel):
-    goal: str
-    deadline_hours: int
+    goal: Optional[str] = None
+    problem_statement: Optional[str] = None
+    deadline_hours: float
 
 @app.post("/api/eternity/init")
 async def init_eternity_system(req: EternityInitRequest, authorization: str = Header(None)):
@@ -1415,6 +1416,7 @@ async def init_eternity_system(req: EternityInitRequest, authorization: str = He
     if not db_pool:
         raise HTTPException(status_code=500, detail="Database not connected")
     try:
+        goal_text = req.goal or req.problem_statement or "Build a calculator"
         deadline = datetime.now(timezone.utc) + timedelta(hours=req.deadline_hours)
         async with db_pool.acquire() as conn:
             # Delete any old state
@@ -1422,9 +1424,9 @@ async def init_eternity_system(req: EternityInitRequest, authorization: str = He
             # Insert new state
             await conn.execute(
                 "INSERT INTO eternity_system_state (goal, deadline, current_mode, roadmap) VALUES ($1, $2, 'build', $3)",
-                req.goal, deadline, "[]"
+                goal_text, deadline, "[]"
             )
-        log_activity(f"[Eternity Loop] System initialized with goal: '{req.goal}' | Deadline: {deadline}")
+        log_activity(f"[Eternity Loop] System initialized with goal: '{goal_text}' | Deadline: {deadline}")
         return {"status": "success", "deadline": deadline.isoformat()}
     except Exception as e:
         log_activity(f"[Eternity Loop Error] Init failed: {e}")