feat: add per-asset min slip bps mimirs
Summary
- add canonical per-asset SlipMinBps Mimir keys for supported asset classes
- add optional per-asset SlipMinBpsMax caps and validation
- compose L1 dynamic fees as a max with static/per-asset floors
- size L1-to-L1 streaming swaps by the most restrictive leg in standard and advanced queues
Tests
- git diff --cached --check
- GOTOOLCHAIN=auto go test ./constants
Note: focused x/thorchain tests were not run locally because this checkout cannot fetch the private gitlab.com/thorchain/tss/tss-lib-private.git/v3 module.