fix(dsh-plugin): remove obsolete client runtime host dependency

Keep dsh-client-runtime as a development-only type dependency. Remove its peer metadata, client injection entry, and runtime external allowance so newer hosts do not preflight a package they no longer ship.

Fixes #193

packages/dsh-plugin-browserskill/package.json

@@ -47,7 +47,6 @@
     "client": {
       "platform": "web",
       "inject": [
-        "@deepseek-ai/dsh-client-runtime",
         "@deepseek-ai/dsh-client-ui-tool",
         "@deepseek-ai/dsh-client-ui-layout"
       ],
@@ -69,7 +68,6 @@
   "peerDependencies": {
     "@deepseek-ai/cordis": "^4.0.1",
     "@deepseek-ai/dsh-attachment": "^0.1.0-rc.6",
-    "@deepseek-ai/dsh-client-runtime": "^0.1.0-rc.6",
     "@deepseek-ai/dsh-client-ui-attachment": "^0.1.0-rc.6",
     "@deepseek-ai/dsh-client-ui-primitives": "^0.1.0-rc.6",
     "@deepseek-ai/dsh-client-ui-tool": "^0.1.0-rc.6",
@@ -82,9 +80,6 @@
     "@deepseek-ai/dsh-attachment": {
       "optional": true
     },
-    "@deepseek-ai/dsh-client-runtime": {
-      "optional": true
-    },
     "@deepseek-ai/dsh-client-ui-attachment": {
       "optional": true
     },

packages/dsh-plugin-browserskill/src/client/index.ts

@@ -7,6 +7,7 @@
  */
 
 import type { ImageAttachmentRef } from "@deepseek-ai/dsh-attachment";
+// Development-only types for the injected services; newer hosts no longer ship this package.
 import type { ClientContext, ISessions, SessionId } from "@deepseek-ai/dsh-client-runtime/client";
 // Type-only: pulls the 'shell.overlay' SlotMap merge into scope.
 import type {} from "@deepseek-ai/dsh-client-ui-layout/client";

packages/dsh-plugin-browserskill/tsdown.config.ts

@@ -25,7 +25,6 @@ const CLIENT_EXTERNALS: readonly string[] = [
   "@deepseek-ai/dsh-client-ui-primitives",
   "@deepseek-ai/dsh-client-ui-attachment",
   "@deepseek-ai/dsh-client-schema-form",
-  "@deepseek-ai/dsh-client-runtime/client",
 ];
 
 /** Wire/type layers with no shared runtime identity: safe to inline. */