- Connections CRUD with test (sling conns test) and table discovery (sling conns discover)
- Pipelines: source/target, mode, schema_sync toggle, per-table PK/UK for incremental
- Run engine: atlas schema apply then sling run -r, JSON log parsing, SSE live logs
- Runs history with log replay; dashboard with binary health check
- Atlas dev schema on target server (sling_ui_atlas_dev) instead of docker dev-url
- full-refresh translated to truncate when schema_sync is on to preserve Atlas-built DDL
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