Made autobahn producer use TxMempool

[pompon0]

Also

• disabled bunch of reactors unused in autobahn mode.
• fixed race conditions in mempool processPeerUpdates

[github-actions]

The latest Buf updates on your PR. Results from workflow Buf / buf (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Apr 10, 2026, 6:35 PM

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.16%. Comparing base (1739f29) to head (f5a18e0).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3224      +/-   ##
==========================================
+ Coverage   58.98%   59.16%   +0.17%     
==========================================
  Files        2065     2064       -1     
  Lines      169272   168747     -525     
==========================================
- Hits        99850    99841       -9     
+ Misses      60658    60180     -478     
+ Partials     8764     8726      -38     

Flag	Coverage Δ
sei-db	70.41% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
sei-tendermint/internal/autobahn/producer/state.go	75.00% <ø> (-7.36%)	⬇️
sei-tendermint/internal/mempool/mempool.go	69.45% <ø> (-0.24%)	⬇️
sei-tendermint/internal/mempool/tx.go	82.10% <ø> (ø)
sei-tendermint/internal/p2p/giga_router.go	64.66% <ø> (-1.30%)	⬇️
sei-tendermint/node/node.go	58.95% <ø> (-2.79%)	⬇️
sei-tendermint/node/seed.go	44.68% <ø> (-0.59%)	⬇️
sei-tendermint/node/setup.go	66.89% <ø> (-0.83%)	⬇️

... and 47 files with indirect coverage changes

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