Keep source plugins in single scraper process

scraper/plugins/manifest.js

@@ -4,14 +4,14 @@
 // source may add executable modules at runtime.
 const manifests = Object.freeze({
   weebcentral: Object.freeze({
-    id: 'weebcentral', version: 1, label: 'WeebCentral', status: 'pilot',
+    id: 'weebcentral', version: 1, label: 'WeebCentral', status: 'in-process',
     sourceHosts: Object.freeze(['weebcentral.com']),
     implementation: 'first-party',
     provenance: 'MangaCircus existing WeebCentral adapter; no Uchiyomi code copied',
     operations: Object.freeze(['series', 'catalog', 'chapter', 'pages']),
   }),
   mangadex: Object.freeze({
-    id: 'mangadex', version: 1, label: 'MangaDex', status: 'pilot',
+    id: 'mangadex', version: 1, label: 'MangaDex', status: 'in-process',
     sourceHosts: Object.freeze(['api.mangadex.org']),
     implementation: 'first-party',
     provenance: 'MangaCircus existing MangaDex adapter; no Uchiyomi code copied',