Ansible provisions the k3d cluster and Flux controllers; Terraform
modules deploy the simulated fleet and ground warehouse. Compose and
k3d share var/t1 (live lake) and var/t3 (warehouse). The prototype
gains a live mode fed by the explorer read-only SQL API.
Single-page view over the Parquet lake: live partition tree with
rolled-up sizes and a SQL console gated by the same read-only rules
as the peer query channel. Ships in the monitoring profile.
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