添加CrossAttention kv缓存，减少重复计算，提升性能，psnr=25.1201dB

.claude/settings.local.json

@@ -0,0 +1,10 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(conda env list:*)",
+      "Bash(mamba env:*)",
+      "Bash(micromamba env list:*)",
+      "Bash(echo:*)"
+    ]
+  }
+}