feat(invariants): require package-owned companions

packages/examples/jsonrpc-demo/package.json

@@ -14,6 +14,10 @@
       "types": "./lib/types/index.d.ts",
       "default": "./lib/index.js"
     },
+    "./invariant": {
+      "types": "./lib/types/invariant.d.ts",
+      "default": "./lib/invariant.js"
+    },
     "./bin": {
       "types": "./lib/types/bin.d.ts",
       "default": "./lib/bin.js"
@@ -23,6 +27,7 @@
   },
   "files": [
     "lib/index.js",
+    "lib/invariant.js",
     "lib/bin.js",
     "lib/types/**/*.d.ts",
     "lib/types/**/*.d.ts.map",
@@ -33,9 +38,11 @@
     "@deepseek-ai/dsh-app-boot": "workspace:^"
   },
   "peerDependencies": {
+    "@deepseek-ai/dsh-invariants": "^0.0.1",
     "cordis": "^4.0.0-rc.7"
   },
   "devDependencies": {
+    "@deepseek-ai/dsh-invariants": "workspace:^",
     "cordis": "^4.0.0-rc.7"
   }
 }

packages/examples/jsonrpc-demo/src/invariant.ts

@@ -0,0 +1,30 @@
+/**
+ * Generated invariant ownership companion for `@deepseek-ai/dsh-jsonrpc-demo`.
+ * Replace this file with package-owned checks while preserving its registration.
+ *
+ * @generated scripts/gen-package-invariants.ts
+ * @module @deepseek-ai/dsh-jsonrpc-demo/invariant
+ */
+
+/* jscpd:ignore-start */
+import type { Context } from 'cordis'
+import type { InvariantInstaller } from '@deepseek-ai/dsh-invariants'
+
+const PACKAGE_NAME = '@deepseek-ai/dsh-jsonrpc-demo'
+
+/** Cordis companion plugin name. */
+export const name = 'jsonrpc-demo-invariant'
+/** Services required before the companion can register. */
+export const inject = ['invariants']
+
+/** Reserve this package's invariant ownership until it adds relational checks. */
+const install: InvariantInstaller = () => {}
+
+/**
+ * Register this package's invariant companion.
+ * @param ctx - Cordis context carrying the invariant service.
+ * @returns the installed registration's disposer after setup succeeds.
+ */
+export const apply = (ctx: Context): Promise<() => void> =>
+  Promise.resolve(ctx.invariants.register(PACKAGE_NAME, install))
+/* jscpd:ignore-end */

packages/examples/jsonrpc-demo/tsconfig.json

@@ -16,6 +16,9 @@
     },
     {
       "path": "../../ui/app-boot"
+    },
+    {
+      "path": "../../support/invariants"
     }
   ]
 }

packages/examples/jsonrpc-demo/tsdown.config.ts

@@ -4,7 +4,7 @@ import { defineConfig } from 'tsdown'
  * Build the doc-only module and CLI entry; `tsc -b` supplies declarations.
  */
 export default defineConfig({
-  entry: ['lib/types/index.js', 'lib/types/bin.js'],
+  entry: ['lib/types/index.js', 'lib/types/invariant.js', 'lib/types/bin.js'],
   outDir: 'lib',
   format: ['esm'],
   platform: 'node',