refactor: 对配置处理器和配置结构进行重构

src/heurams/services/epath.py

@@ -0,0 +1,30 @@
+def epath(dct, path: str = '', default=None, parents=False):
+    if not path:
+        return dct
+    
+    path = path.rstrip('/')
+    target = dct
+    
+    for i in path.split('/'):
+        # 处理字典键
+        if isinstance(target, dict) and i in target:
+            target = target[i]
+        # 处理列表索引
+        elif i.startswith('[') and i.endswith(']') and isinstance(target, (list, tuple)):
+            idx = int(i[1:-1])
+            if 0 <= idx < len(target):
+                target = target[idx]
+            elif parents:
+                while len(target) <= idx:
+                    target.append(None)
+                target[idx] = {}
+                target = target[idx]
+            else:
+                return default
+        elif parents:
+            target[i] = {}
+            target = target[i]
+        else:
+            return default
+    
+    return target