cli: fix est epochs unit mismatch in shreds list

[martinsander00]

Summary

• The "Est. Epochs Paid" column in shreds list was displaying values ~10,000x too large (e.g. 40,000 instead of ~4)
• The escrow balance (micro-USDC) was being divided directly by the on-chain price (centi-USDC) without aligning units first

Lines of Code

Section	Added	Removed
cli	+3	-1

Testing Verification

• Verified with manual calculation: $4 balance / $1 price now correctly shows ~4 instead of ~40000