refactor: apply repository naming contract

Apply the accepted pre-release package, service, type, directory, and role renames as one repository-wide change.

packages/core/scope/tests/invariant.spec.ts

@@ -5,11 +5,11 @@ import type { Events } from '@deepseek-ai/cordis'
 import type { Agent } from '@deepseek-ai/dsh-agent'
 import { scopeTarget } from '@deepseek-ai/dsh-scope'
 import * as ScopeInvariant from '@deepseek-ai/dsh-scope/invariant'
-import InvariantService from '@deepseek-ai/dsh-invariants'
+import InvariantRegistry from '@deepseek-ai/dsh-invariants'
 
 async function setup(): Promise<Context> {
   const ctx = new Context()
-  await ctx.plugin(InvariantService)
+  await ctx.plugin(InvariantRegistry)
   await ctx.plugin(ScopeInvariant)
   return ctx
 }