[ qingfeng/2020117 ] chore: bump 2020117-agent to v0.2.0 (CLINK migration)

Major payment system migration: Cashu → CLINK ndebit for all P2P payments,
NWC + CLINK dual support for server DVM jobs, 10-minute billing intervals.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
https://github.com/qingfeng/2020117/commit/b17fa41f07095823c8452fa2540cb343fdf1ab8e