feat(core): jobs, scheduler, plugin registry, connections

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

plugins/hardcover/index.ts

@@ -4,8 +4,6 @@ import { gql, LISTS_QUERY, PAGE_SIZE, SEARCH_QUERY, USER_BOOKS_QUERY } from "./s
 import { mapList, mapUserBook } from "./src/map.ts";
 import type { HcList, HcUserBook } from "./src/map.ts";
 
-export { RATE_PER_MINUTE } from "./src/graphql.ts";
-
 async function* pageUserBooks(ctx: PluginContext, where: Record<string, unknown> | null): AsyncGenerator<HcUserBook> {
   for (let offset = 0; ; offset += PAGE_SIZE) {
     const d = await gql<{ me: { user_books: HcUserBook[] }[] }>(ctx, USER_BOOKS_QUERY, { limit: PAGE_SIZE, offset, where });
@@ -45,6 +43,7 @@ export default definePlugin({
     name: "Hardcover",
     version: "0.1.0",
     sdkVersion: 1,
+    rateLimit: { perMinute: 50 },
     mediaTypes: ["book"],
     capabilities: ["pull", "pullChanges", "lookup"],
     config: [{ key: "token", label: "Personal access token", type: "secret", required: true }],