init the project

server/core/reasoning/mock.py

@@ -0,0 +1,9 @@
+# Mock 推理引擎：Phase 2 空壳运行时的占位
+
+async def mock_reasoning_chain(prd_text: str, skill_name: str = "default") -> dict:
+    """模拟完整的推理链路，返回占位数据"""
+    return {
+        "ir_yaml": f"# Mock IR generated for PRD ({len(prd_text)} chars)\nfeatures: []",
+        "validation": {"valid": True, "issues": []},
+        "testcases": [],
+    }