feat(tvix/store/directory): deduplicate Directory messages r/5723

We can omit sending Directory messages to clients that have already been
sent in the same stream.

We can also omit storing a Directory message if we already have it -
they're content-addressed anyways.

Change-Id: Iba44565e07157a83a033177a2ffbdddced64ba5c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7881
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI

0 files changed, 0 insertions, 0 deletions