fix(interface): 界面兼容性改进

src/heurams/kernel/particles/placeholders.py

@@ -0,0 +1,41 @@
+from heurams.kernel.particles import orbital
+from .electron import Electron
+from .nucleon import Nucleon
+from .atom import Atom
+
+orbital_placeholder = {
+    "schedule": ["quick_review", "recognition", "final_review"],
+    "phases": {
+        "quick_review": [
+            ["FillBlank", 1.0],
+            ["SelectMeaning", 0.5],
+            ["Recognition", 1.0],
+        ],
+        "recognition": [["Recognition", 1.0]],
+        "final_review": [
+            ["FillBlank", 0.7],
+            ["SelectMeaning", 0.7],
+            ["Recognition", 1.0],
+        ],
+    },
+}
+
+
+class NucleonPlaceholder(Nucleon):
+    def __init__(self):
+        super().__init__("__placeholder__", {}, {})
+
+    def __getitem__(self, key):
+        return f"__placeholder__ attempted {key}"
+
+
+class ElectronPlaceholder(Electron):
+    def __init__(self):
+        super().__init__("__placeholder__", {"": {"": ""}}, "")
+
+
+class AtomPlaceholder(Atom):
+    def __init__(self):
+        super().__init__(
+            NucleonPlaceholder(), ElectronPlaceholder(), orbital_placeholder
+        )