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-end.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# session-end.sh - Finaliza sessão e regista métricas
+# Chamado pelo hook Stop
+# Author: Descomplicar®
+
+set -e
+
+PLUGIN_ROOT="${CLAUDE_PLUGIN_ROOT:-/home/ealmeida/mcp-servers/descomplicar-meta-plugin}"
+SESSION_FILE="$PLUGIN_ROOT/.current_session"
+
+# Verificar se existe sessão activa
+if [[ ! -f "$SESSION_FILE" ]]; then
+    echo "No active session found"
+    exit 0
+fi
+
+# Ler dados da sessão
+SESSION_DATA=$(cat "$SESSION_FILE")
+SESSION_ID=$(echo "$SESSION_DATA" | jq -r '.session_id // "unknown"')
+STARTED_AT=$(echo "$SESSION_DATA" | jq -r '.started_at // ""')
+TOOL_CALLS=$(echo "$SESSION_DATA" | jq -r '.tool_calls // 0')
+
+# Calcular duração
+if [[ -n "$STARTED_AT" ]]; then
+    START_EPOCH=$(date -d "$STARTED_AT" +%s 2>/dev/null || echo 0)
+    NOW_EPOCH=$(date +%s)
+    DURATION=$((NOW_EPOCH - START_EPOCH))
+else
+    DURATION=0
+fi
+
+# Output resumo
+cat << EOF
+╔══════════════════════════════════════════════════════════════════════╗
+║  SESSION ENDED                                                       ║
+╠══════════════════════════════════════════════════════════════════════╣
+║  Session ID: $SESSION_ID
+║  Duration: ${DURATION}s
+║  Tool Calls: $TOOL_CALLS
+╚══════════════════════════════════════════════════════════════════════╝
+EOF
+
+# Limpar ficheiro de sessão
+rm -f "$SESSION_FILE"
+
+exit 0