chore(ideai): synchronise l'état de suivi (tickets, agents, skills, mémoire)

Rattrapage de l'état runtime IdeA (nouveaux tickets #80-#91, agents
coach/commercial, skills, permissions MCP) resté non commité depuis la
clôture du ticket #79.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.ideai/skills/index.json

@@ -0,0 +1,11 @@
+{
+  "version": 1,
+  "skills": [
+    {
+      "id": "c5f979a4-4f1a-4ed1-b3ff-1985292214aa",
+      "name": "basketball-drill-authoring",
+      "description": null,
+      "contentHash": "aa07477fc1cf6685"
+    }
+  ]
+}