Release, feedback, and measurement

What you will build

Release an exact commit, define minimal events, and collect actionable feedback.

Understand the idea first

Release an exact commit, define minimal events, and collect actionable feedback.

Build it step by step

事件：tracker_view / session_add / session_complete / recovery_retry
隐私：不记录学习内容正文或邮箱
指标：首次添加完成率、错误恢复率

1. Open the previous project and record its result.
2. Type the example and complete: Complete a real task in production and verify event counts without personal content.
3. Change one input, predict, then verify.
4. Create and repair: Do not equate page views with success; measure the core task.

Read the important lines

• Release an exact commit, define minimal events, and collect actionable feedback.
• Read input, processing, and output separately.
• Verify another input and an edge case.

Common mistakes and what to check

Practice without copying

Complete a real task in production and verify event counts without personal content.

Completion check

• I produced the required visible result
• I can explain the input, processing, and output
• I tested normal, edge, and failure cases