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>

scripts/session-init.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+# session-init.sh - Inicializa sessão e mostra status da infraestrutura
+# Chamado pelo hook SessionStart
+# Author: Descomplicar®
+
+set -e
+
+# Gerar session ID único
+SESSION_ID="${CLAUDE_SESSION_ID:-$(date +%s)-$$}"
+export SESSION_ID
+
+# Ficheiro de sessão para tracking
+SESSION_FILE="${CLAUDE_PLUGIN_ROOT:-/home/ealmeida/mcp-servers/descomplicar-meta-plugin}/.current_session"
+
+# Registar início de sessão
+echo "{\"session_id\": \"$SESSION_ID\", \"started_at\": \"$(date -Iseconds)\", \"tool_calls\": 0}" > "$SESSION_FILE"
+
+# Output status (será capturado pelo Claude)
+cat << 'EOF'
+╔══════════════════════════════════════════════════════════════════════╗
+║  DESCOMPLICAR INFRASTRUCTURE - Session Started                       ║
+╠══════════════════════════════════════════════════════════════════════╣
+║  Meta-Plugin v1.5.1 loaded                                           ║
+║  Commands: /descomplicar:status, :sync, :create, :validate, :release ║
+║  DB Maintenance: :db-cleanup, :db-migrate, :db-backup, :db-archive   ║
+╚══════════════════════════════════════════════════════════════════════╝
+EOF
+
+exit 0