feat: collapse plugin runtime to one tier behind a plugin SDK

scripts/__fixtures__/manifests/valid.json

@@ -1,45 +1,16 @@
 {
   "id": "sample-plugin",
-  "name": "Sample Plugin",
+  "name": "Sample",
   "version": "1.0.0",
-  "description": "A sample plugin used for schema validation tests.",
+  "description": "A sample.",
   "author": {
-    "name": "Jane Doe",
-    "url": "https://example.com"
+    "name": "Termix"
   },
   "license": "MIT",
-  "repository": "https://github.com/example/sample-plugin",
   "category": "Productivity",
-  "icon": "Box",
   "engine": {
     "termix": ">=2.9.0",
     "api": "1"
   },
-  "capabilities": {
-    "backend": true,
-    "frontend": true,
-    "electron": false,
-    "platforms": ["linux", "win32", "darwin"]
-  },
-  "permissions": ["hosts.read", "ui.tab", "ui.rail"],
-  "contributes": {
-    "tabs": [
-      {
-        "id": "sample-plugin-tab",
-        "titleKey": "samplePlugin.tab.title",
-        "icon": "Box",
-        "openFrom": ["rail", "palette"]
-      }
-    ],
-    "settingsPanel": {
-      "titleKey": "samplePlugin.settings.title"
-    },
-    "apiPrefix": "sample"
-  },
-  "dependencies": {
-    "plugins": {
-      "other-plugin": "^1.0.0"
-    }
-  },
-  "sidecars": []
+  "capabilities": ["kv:own", "ui:surface"]
 }