refactor: a lot

src/core/module-loading.ts

@@ -27,7 +27,6 @@ export async function defaultModuleLoader<T extends Module>(absPath: string): Mo
         module = module.getInstance(); 
     }
     //todo readd class modules
-    assert.ok(module.type > 0 && module.type < 1<<10, 'Found a module that does not have a valid type');
     return Ok({ module, absPath });
 }
 

src/core/structures/module-store.ts

@@ -1,10 +1,12 @@
 import { CoreModuleStore } from '../contracts';
+import { Module, CommandMeta } from '../types/modules';
 
 /*
  * @internal
  * Version 4.0.0 will internalize this api. Please refrain from using ModuleStore!
- * For interacting with ModuleStore, use CoreModuleStore contract.
+ * For interacting with modules, use the ModuleManager instead.
  */
 export class ModuleStore implements CoreModuleStore {
+    metadata  = new WeakMap<Module, CommandMeta>();
     commands = new Map<string, string>();
 }