feat: Add GET endpoint /testbook

endpoints/testbook.get.py

@@ -0,0 +1,25 @@
+from fastapi import APIRouter, Depends, HTTPException
+from core.auth import get_current_user_dummy
+from core.database import fake_users_db
+
+router = APIRouter()
+
+@router.post("/login")
+async def login_demo(
+    username: str = "demo",
+    password: str = "password"
+):
+    """Demo login endpoint"""
+    user = fake_users_db.get(username)
+    if not user or user["password"] != password:
+        raise HTTPException(status_code=400, detail="Invalid credentials")
+    
+    return {
+        "message": "Login successful (demo)",
+        "user": username,
+        "token": "dummy_jwt_token_123",
+        "features": {
+            "rate_limit": 100,
+            "expires_in": 3600
+        }
+    }