Add backend with buffered zstd-compressed report storage

Introduce the Go backend (netwatch-server) with an HTTP API that
accepts telemetry reports and persists them as zstd-compressed JSONL
files. Reports are buffered in memory and flushed to disk when the
buffer reaches 10 MiB or every 60 seconds.
This commit is contained in:
2026-02-27 12:14:34 +07:00
parent 4ad98d578b
commit b57afeddbd
23 changed files with 1250 additions and 0 deletions

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