feat(platform): 插件协议系统 - 支持声明式渠道、工作流与参考媒体映射

web/src/services/api/plugin-catalog.ts

@@ -0,0 +1,46 @@
+import { apiClient, request } from "@/services/api/request";
+import type { ModelProtocolDefinition, ProtocolCapability } from "@/lib/model-protocols";
+
+type PluginProviderCatalogItem = {
+    id: string;
+    version: string;
+    name: string;
+    vendor: string;
+    categories: string[];
+    scopes: string[];
+    create?: string;
+    poll?: string;
+    contentType?: string;
+    enabled: boolean;
+    unavailableReason?: string;
+    baseUrl?: string;
+    workflows?: Array<{
+        id: string;
+        label: string;
+        providerId: string;
+        capability: ProtocolCapability;
+        parameters: Array<{ name: string; type: string; required?: boolean; description?: string; values?: string[]; mapping?: string }>;
+        defaults?: Record<string, string | number | boolean>;
+    }>;
+};
+
+export async function fetchPluginProviderCatalog(scope: string, capability?: ProtocolCapability) {
+    const result = await request<{ providers: PluginProviderCatalogItem[] }>(apiClient.get("/plugins/catalog", { params: { scope, capability } }));
+    return result.providers.filter((item) => item.enabled && !item.unavailableReason).map(toProviderDefinition);
+}
+
+function toProviderDefinition(item: PluginProviderCatalogItem): ModelProtocolDefinition {
+    return {
+        value: item.id,
+        label: item.name,
+        vendor: item.vendor,
+        capability: (item.categories[0] || "text") as ProtocolCapability,
+        create: item.create || "",
+        poll: item.poll,
+        contentType: item.contentType || "application/json",
+        media: `${item.vendor} · ${item.version}`,
+        enabled: item.enabled && !item.unavailableReason,
+        baseUrl: item.baseUrl,
+        workflows: item.workflows || [],
+    };
+}