filter: exclude CAS 3D projects from dashboard

Add exclude_company_ids config in settings.yaml to filter out
projects by Odoo company_id. Currently excludes company_id=2
(CAS 3D), keeping only Consultoria AS and unassigned projects.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/modules/odoo_client.py

@@ -74,7 +74,7 @@ class OdooClient:
         return await self.search_read(
             model="project.project",
             domain=[("active", "=", True)],
-            fields=["name", "task_count", "color"],
+            fields=["name", "task_count", "color", "company_id"],
         )
 
     async def get_tasks(self, project_id: int | None = None) -> list[dict[str, Any]]: