fix sql migrations

README.md

@@ -62,3 +62,42 @@ Hourly and daily snapshot table retention can be configured in the settings file
 
 - `settings.hourly_snapshot_max_age_days` (default: 60)
 - `settings.daily_snapshot_max_age_months` (default: 12)
+
+#### Settings Reference
+All configuration lives under the top-level `settings:` key in `vctp.yml`.
+
+General:
+- `settings.log_level`: logging verbosity (e.g., `debug`, `info`, `warn`, `error`)
+- `settings.log_output`: log format, `text` or `json`
+
+Database:
+- `settings.database_driver`: `sqlite` or `postgres`
+- `settings.database_url`: SQLite file path/DSN or PostgreSQL DSN
+
+HTTP/TLS:
+- `settings.bind_ip`: IP address to bind the HTTP server
+- `settings.bind_port`: TCP port to bind the HTTP server
+- `settings.bind_disable_tls`: `true` to serve plain HTTP (no TLS)
+- `settings.tls_cert_filename`: PEM certificate path (TLS mode)
+- `settings.tls_key_filename`: PEM private key path (TLS mode)
+
+vCenter:
+- `settings.vcenter_username`: vCenter username
+- `settings.vcenter_password`: vCenter password (encrypted at startup)
+- `settings.vcenter_insecure`: `true` to skip TLS verification
+- `settings.vcenter_event_polling_seconds`: event polling interval (0 disables)
+- `settings.vcenter_inventory_polling_seconds`: inventory polling interval (0 disables)
+- `settings.vcenter_inventory_snapshot_seconds`: hourly snapshot cadence (seconds)
+- `settings.vcenter_inventory_aggregate_seconds`: daily aggregation cadence (seconds)
+- `settings.vcenter_addresses`: list of vCenter SDK URLs to monitor
+
+Snapshots:
+- `settings.hourly_snapshot_concurrency`: max concurrent vCenter snapshots (0 = unlimited)
+- `settings.hourly_snapshot_max_age_days`: retention for hourly tables
+- `settings.daily_snapshot_max_age_months`: retention for daily tables
+- `settings.snapshot_cleanup_cron`: cron expression for cleanup job
+
+Filters/chargeback:
+- `settings.tenants_to_filter`: list of tenant name patterns to exclude
+- `settings.node_charge_clusters`: list of cluster name patterns for node chargeback
+- `settings.srm_activeactive_vms`: list of SRM Active/Active VM name patterns