Add @probo/skills multi-agent compliance package

Ship compliance skills and agent plugin wiring for Claude Code,
Codex, OpenCode, and Cursor via Probo MCP (OAuth 2.0). Includes
access-review and missing-signatures workflows, repo-root Git
marketplaces, validation, and npm release CI.

Signed-off-by: Cursor Agent <cursoragent@cursor.com>

Co-authored-by: Bryan FRIMIN <bryan@frimin.fr>

package-lock.json

@@ -4820,6 +4820,10 @@
       "resolved": "packages/routes",
       "link": true
     },
+    "node_modules/@probo/skills": {
+      "resolved": "packages/skills",
+      "link": true
+    },
     "node_modules/@probo/trust": {
       "resolved": "apps/trust",
       "link": true
@@ -19347,6 +19351,7 @@
       "os": [
         "darwin"
       ],
+      "peer": true,
       "engines": {
         "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
       }
@@ -21151,6 +21156,11 @@
         "relay-runtime": "^21.0.1"
       }
     },
+    "packages/skills": {
+      "name": "@probo/skills",
+      "version": "0.1.0",
+      "license": "MIT"
+    },
     "packages/tsconfig": {
       "name": "@probo/tsconfig",
       "version": "0.0.1",