Yo le añadiría la limitación del tamaño de htlc según liquidez disponible, te pego mi config por si te sirve.
[default]
# sin estrategia, solo defaults
# solo limitar htlc
min_htlc_msat = 10000
max_htlc_msat_ratio = 1
[private]
#canales privados, asumo que no enrutan
chan.private = true
max_htlc_msat_ratio = 1
strategy = static
base_fee_msat = 0
fee_ppm = 0
[Mas de 99%]
chan.min_ratio = 0.99
strategy = static
max_htlc_msat_ratio = 0.99
[95% - 98,9%]
chan.max_ratio = 0.989
chan.min_ratio = 0.95
strategy = static
max_htlc_msat_ratio = 0.95
[85% - 94,9%]
chan.max_ratio = 0.949
chan.min_ratio = 0.85
strategy = static
max_htlc_msat_ratio = 0.85
[75% - 84,9%]
chan.max_ratio = 0.849
chan.min_ratio = 0.75
strategy = static
max_htlc_msat_ratio = 0.75
[65% - 74,9%]
chan.max_ratio = 0.749
chan.min_ratio = 0.65
strategy = static
max_htlc_msat_ratio = 0.65
[55% - 64,9%]
chan.max_ratio = 0.649
chan.min_ratio = 0.55
strategy = static
max_htlc_msat_ratio = 0.55
[45% - 54,9%]
chan.max_ratio = 0.549
chan.min_ratio = 0.45
strategy = static
max_htlc_msat_ratio = 0.45
[35% - 44,9%]
chan.max_ratio = 0.449
chan.min_ratio = 0.35
strategy = static
max_htlc_msat_ratio = 0.35
[25% - 34,9%]
chan.max_ratio = 0.349
chan.min_ratio = 0.25
strategy = static
max_htlc_msat_ratio = 0.25
[15% - 24,9%]
chan.max_ratio = 0.249
chan.min_ratio = 0.15
strategy = static
max_htlc_msat_ratio = 0.15
[7% - 14,9%]
chan.max_ratio = 0.149
chan.min_ratio = 0.07
strategy = static
max_htlc_msat_ratio = 0.07
[2,1% - 6,9%]
chan.max_ratio = 0.069
chan.min_ratio = 0.021
strategy = static
max_htlc_msat_ratio = 0.02
[Menos de 2%]
chan.max_ratio = 0.02
strategy = static
max_htlc_msat_ratio = 0.005