feat(v1.5.2): Execute database migrations and complete setup

- Execute all 6 migrations on Desk CRM production database
- Create missing tables: cr_lsps, cr_agent_lsps, cr_lsp_usage
- Create archive tables: cr_*_usage_archive (4 tables)
- Create system tables: cr_migrations, cr_maintenance_log
- Make all scripts executable (chmod +x)
- Total cr_* tables: 38

Migration files:
- 001_initial_schema.sql
- 002_add_lsps.sql
- 003_add_relationships.sql
- 004_add_telemetry.sql
- 005_add_archive_tables.sql
- 006_add_maintenance_log.sql

Scripts:
- session-init.sh, session-end.sh
- inject-context.sh, inject-agent-context.sh
- record-usage.sh, db-backup.sh, sync-to-mysql.sh

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.mcp.json

@@ -0,0 +1,29 @@
+{
+  "mcpServers": {
+    "desk-crm-v3": {
+      "description": "Operações MySQL para registos cr_* e telemetria",
+      "usage": "primary",
+      "required": true
+    },
+    "filesystem": {
+      "description": "Operações de ficheiros locais (skills, agents, configs)",
+      "usage": "primary",
+      "required": true
+    },
+    "mcp-time": {
+      "description": "Data/hora actual para timestamps e relatórios",
+      "usage": "recommended",
+      "required": false
+    },
+    "gitea": {
+      "description": "Gestão de repositórios e versionamento",
+      "usage": "recommended",
+      "required": false
+    },
+    "memory-supabase": {
+      "description": "Memória de longo prazo para decisões e contexto",
+      "usage": "available",
+      "required": false
+    }
+  }
+}