规范仿真模型库并完善前端交互

归档仿真模型并补充组件目录、建模规范与校验。

完善控制台、默认节点、视图适配及前端自动化测试。

app/simulation/core/catalog.py

@@ -0,0 +1,83 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from typing import Literal
+
+
+PortDisplaySide = Literal["left", "right"]
+
+
+@dataclass(frozen=True)
+class ComponentCategorySpec:
+    """A presentation-only category declared by one component library."""
+
+    id: str
+    label: str
+    order: int = 0
+
+    def as_catalog_dict(self) -> dict[str, object]:
+        return {
+            "id": self.id,
+            "label": self.label,
+            "order": self.order,
+        }
+
+
+@dataclass(frozen=True)
+class PortDisplaySpec:
+    """Canvas placement for one port without changing its physical contract."""
+
+    name: str
+    side: PortDisplaySide
+    order: int = 0
+
+
+@dataclass(frozen=True)
+class ComponentDisplaySpec:
+    """Frontend metadata co-located with a component implementation."""
+
+    label: str
+    library_id: str
+    category_id: str
+    symbol: str
+    ports: tuple[PortDisplaySpec, ...]
+    order: int = 0
+
+    @property
+    def port_by_name(self) -> dict[str, PortDisplaySpec]:
+        return {port.name: port for port in self.ports}
+
+
+@dataclass(frozen=True)
+class ComponentLibrarySpec:
+    """Manifest for one explicitly enabled component library."""
+
+    id: str
+    label: str
+    version: str
+    source_package: str
+    categories: tuple[ComponentCategorySpec, ...]
+    models: tuple[str, ...]
+    temporary: bool = False
+    order: int = 0
+
+    @property
+    def category_by_id(self) -> dict[str, ComponentCategorySpec]:
+        return {category.id: category for category in self.categories}
+
+    def as_catalog_dict(self) -> dict[str, object]:
+        return {
+            "id": self.id,
+            "label": self.label,
+            "version": self.version,
+            "sourcePackage": self.source_package,
+            "temporary": self.temporary,
+            "order": self.order,
+            "categories": [
+                category.as_catalog_dict()
+                for category in sorted(
+                    self.categories,
+                    key=lambda item: (item.order, item.id),
+                )
+            ],
+        }