feat: 画布式 RPA 桌面端 Day1（1016 目录/画布/容器/属性/持久化）

src/main/catalog.ts

@@ -0,0 +1,62 @@
+import { app } from "electron";
+import fs from "node:fs";
+import path from "node:path";
+import type { Catalog, CatalogComponent } from "../shared/types";
+
+let cached: Catalog | null = null;
+
+function resolveCatalogPath(): string {
+  const candidates = [
+    process.env.RPA_CATALOG_PATH,
+    path.join(process.resourcesPath, "catalog.json"),
+    path.join(app.getAppPath(), "resources", "catalog.json"),
+    path.join(__dirname, "../../resources/catalog.json")
+  ].filter(Boolean) as string[];
+  for (const candidate of candidates) {
+    if (fs.existsSync(candidate)) return candidate;
+  }
+  throw new Error(`catalog.json not found; tried: ${candidates.join(", ")}`);
+}
+
+/**
+ * 已注册执行器的函数名。Day 2 起由 capabilities 注册表汇总；
+ * Day 1 先标出控制/触发与少量基础组件，保证目录状态可演示。
+ */
+const EXECUTABLE_FUNCTIONS = new Set<string>([
+  "Trigger.Manual",
+  "Trigger.Schedule",
+  "Trigger.FileArrival",
+  "logic_control_if_else",
+  "logic_control_count_for",
+  "logic_control_array_for_v3",
+  "logic_control_while",
+  "logic_control_try_catch",
+  "logic_control_var",
+  "logic_control_break_for",
+  "logic_control_next_for",
+  "logic_control_stop",
+  "Basic_Delay_V2",
+  "Basic_SetVariable",
+  "Basic_DebugOutput"
+]);
+
+export function catalogPath(): string {
+  return resolveCatalogPath();
+}
+
+export function loadCatalog(): Catalog {
+  if (cached) return cached;
+  const raw = fs.readFileSync(catalogPath(), "utf8");
+  const catalog = JSON.parse(raw) as Catalog;
+  catalog.components = catalog.components.map((component: CatalogComponent) => ({
+    ...component,
+    implemented: EXECUTABLE_FUNCTIONS.has(component.functionName) || EXECUTABLE_FUNCTIONS.has(component.id)
+  }));
+  cached = catalog;
+  return catalog;
+}
+
+export function markImplemented(functionNames: Iterable<string>): void {
+  for (const name of functionNames) EXECUTABLE_FUNCTIONS.add(name);
+  cached = null;
+}