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

package-lock.json

@@ -8,6 +8,9 @@
       "name": "termix",
       "version": "2.9.0",
       "hasInstallScript": true,
+      "workspaces": [
+        "packages/*"
+      ],
       "dependencies": {
         "@anthropic-ai/sdk": "^0.120.0",
         "@simplewebauthn/browser": "^13.3.0",
@@ -7002,6 +7005,10 @@
         "url": "https://github.com/sponsors/tannerlinsley"
       }
     },
+    "node_modules/@termix/plugin-sdk": {
+      "resolved": "packages/plugin-sdk",
+      "link": true
+    },
     "node_modules/@testing-library/dom": {
       "version": "10.4.2",
       "resolved": "https://registry.npmjs.org/@testing-library/dom/-/dom-10.4.2.tgz",
@@ -18476,6 +18483,14 @@
         "type": "github",
         "url": "https://github.com/sponsors/wooorm"
       }
+    },
+    "packages/plugin-sdk": {
+      "name": "@termix/plugin-sdk",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "semver": "^7.6.3"
+      }
     }
   }
 }