diff --git a/backend/app/schemas/review.py b/backend/app/schemas/review.py
index c4fca68..c1fb015 100644
--- a/backend/app/schemas/review.py
+++ b/backend/app/schemas/review.py
@@ -35,3 +35,46 @@ class ReviewResponse(BaseModel):
     created_at: datetime
 
     model_config = {"from_attributes": True}
+
+
+class ReviewDetailResponse(BaseModel):
+    """Review with full context: task, project, worker, cost info joined."""
+    # --- Review fields ---
+    id: int
+    task_id: int
+    project_id: int
+    review_type: str
+    status: str
+    reviewer_id: Optional[int] = None
+    reviewer_role: Optional[str] = None
+    review_content: str = ""
+    reviewer_comment: str = ""
+    auto_check_result: str = "{}"
+    submitted_at: datetime
+    reviewed_at: Optional[datetime] = None
+    created_at: datetime
+
+    # --- Task context ---
+    task_title: str = ""
+    task_description: str = ""
+    task_input_data: str = ""
+    task_output_data: str = ""
+    task_priority: str = "medium"
+    task_type: str = "single_call"
+    task_status: str = ""
+
+    # --- Project context ---
+    project_name: str = ""
+    project_description: str = ""
+
+    # --- Worker context ---
+    worker_id: Optional[int] = None
+    worker_name: Optional[str] = None
+    worker_model_name: Optional[str] = None
+    worker_provider: Optional[str] = None
+    worker_system_prompt: Optional[str] = None
+
+    # --- Cost / usage ---
+    cost_cents: int = 0
+    token_usage: int = 0
+    duration_ms: int = 0