feat(invariants): require package-owned companions

packages/sdk/scripts/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"
+    },
     "./dev/tsdown-config": {
       "types": "./lib/types/dev/tsdown-config.d.ts",
       "default": "./lib/dev/tsdown-config.js"
@@ -21,6 +25,7 @@
   },
   "files": [
     "lib/index.js",
+    "lib/invariant.js",
     "lib/bin.js",
     "lib/dev/tsdown-config.js",
     "lib/local-plugin-loader-hooks.js",
@@ -37,16 +42,22 @@
   },
   "peerDependencies": {
     "@deepseek-ai/dsh-app-boot": "workspace:^",
+    "@deepseek-ai/dsh-invariants": "^0.0.1",
     "cordis": "^4.0.0-rc.7",
     "tsdown": "^0.22.2",
     "tsx": "^4.22.4"
   },
   "peerDependenciesMeta": {
-    "tsdown": { "optional": true },
-    "tsx": { "optional": true }
+    "tsdown": {
+      "optional": true
+    },
+    "tsx": {
+      "optional": true
+    }
   },
   "devDependencies": {
     "@deepseek-ai/dsh-app-boot": "workspace:^",
+    "@deepseek-ai/dsh-invariants": "workspace:^",
     "cordis": "^4.0.0-rc.7",
     "tsdown": "^0.22.2",
     "tsx": "^4.22.4"