fix(project-manager): remover Dify KB das descriptions, marcar nota TODO

Dify foi removido 06-03-2026. Skills brainstorm/discover ainda referenciam-no
no corpo. Bump v1.2 + nota top-of-file. Reescrita workflow para próxima sessão.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

gestao/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "gestao",
   "description": "Project management, time tracking, daily checkups, worklogs, reflections, knowledge management, archiving and compliance auditing. Backed by NotebookLM notebooks.",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "author": {
     "name": "Descomplicar - Crescimento Digital",
     "url": "https://descomplicar.pt"