优化6个类，现在ks降低到0.28，史称3.0版本

docs/decisions.md

@@ -85,3 +85,15 @@
 - **Files**:
   - `example/filtered_metrics.py`
   - `example/run_all_full.py`
+
+## 2026-01-28 — Tie-aware KS + full-reference aggregation
+- **Decision**: Fix KS computation to handle ties correctly and aggregate all reference files matched by glob.
+- **Why**: Spiky/quantized features were overstating KS; single-file reference was misleading.
+- **Files**:
+  - `example/evaluate_generated.py`
+
+## 2026-01-28 — KS-only postprocess baseline
+- **Decision**: Add an empirical resampling mode for Type1/2/3/5/6 to aggressively reduce KS.
+- **Why**: Provide a diagnostic upper-bound on KS without retraining.
+- **Files**:
+  - `example/postprocess_types.py`