feat: add IPC watch stream for service snapshots - #12
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Expose {type:watch} on the control socket so consumers can follow coalesced
list snapshots with optional label-key filtering, without polling. Includes
CLI, Go Client.Watch, and bounded fan-out with heartbeats.
Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
{type:watch}IPC with optionallabel_keysfilter, coalesced{type:list}snapshots, and 10s heartbeats.MAX_WATCH_FOLLOWERS = 8, slot coalescing) with zero extra work when no watchers are connected.microinit watch, GoClient.Watch, docs/man, and tests.Test plan
cargo testin microinitgo test ./client/ -run Watchmicroinit watch --label-key microdns-portagainst a running daemonMade with Cursor