feat: add custom queue and steering controls

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "@local/dsh-queue-steer",
+  "version": "0.2.0",
+  "description": "Custom queue and steering logic, settings page, /queue and /steer commands, and two-list queue widget for DeepSeek Harness.",
+  "type": "module",
+  "main": "index.js",
+  "dsh": {
+    "bundle": { "patch": "./cordis.patch.yml" },
+    "client": {
+      "platform": "web",
+      "immediately": true,
+      "inject": [
+        "@deepseek-ai/dsh-client-ui-conversation",
+        "@deepseek-ai/dsh-client-ui-settings",
+        "@deepseek-ai/dsh-client-ui-primitives"
+      ]
+    }
+  },
+  "exports": { ".": "./index.js", "./client": "./client.js", "./package.json": "./package.json" },
+  "files": ["index.js", "client.js", "cordis.patch.yml", "README.md"],
+  "scripts": { "test": "node --test test/*.test.mjs" },
+  "dependencies": {}
+}