[ qingfeng/2020117 ] feat: add worker with streaming Cashu payments and agent pipeline

Hyperswarm P2P worker daemon with per-chunk micro-payments via Cashu
eCash. Includes provider (Ollama streaming + credit-based payments),
customer (mint/split/pay loop), and pipeline orchestrator that chains
two providers (text generation → translation) with independent budgets.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
https://github.com/qingfeng/2020117/commit/94a65f56c1bd41bbc8ec8905a970080fa83e8072