# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/lnazdla
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優雅的支付系統設計**
大家好，我是一安~一、業務背景------在業務系統中，支付功能的實現尤爲關鍵且挑戰重重，尤其是對經驗不足的開發者而言。支付結算邏輯的細微差錯可能導致對賬失誤，引發連鎖反應：錯誤排查耗時巨大，數據不平需調整，甚至可能演變成複雜的賬目混亂，最終不得不依賴人工逐一手動修正。支付場景複雜，涵蓋多維度業務、結算規則及長流程，還需與第三方對接，技術上要求嚴格，涉及事務管理、異步處理、重試策略、併發控制等關鍵 ⌘ Read more