Remaining follow-ups from 3921#4032

Merged

TheBlueMatt merged 7 commits intolightningdevkit:mainfrom

tankyleo:2025-08-fallible-stats

Sep 23, 2025

Commits on Sep 23, 2025

Make `TxBuilder::get_next_commitment_stats` fallible
tankyleo
committed
Include HTLCs unknown by remote in `can_accept_incoming_htlc` stats
tankyleo
committed
Include any pending fee updates in `can_accept_incoming_htlc` stats
tankyleo
committed
Relax feerate requirements in `TxBuilder::get_next_commitment_stats`
tankyleo
committed
Cleanup dust exposure due to excess fees in `get_next_commitment_stats`
tankyleo
committed
Note that we may want to apply HTLC deletes to the upcoming set of HTLCs
tankyleo
committed
Check dust exposure on receiving `commitment_signed`, not `update_fee`
tankyleo
committed