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Zhongwei Li
2025-11-29 18:47:55 +08:00
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# Debug Report: [Issue Title]
**Date:** [YYYY-MM-DD]
**Investigator:** [Name/AI]
**Status:** 🟢 Resolved / 🔴 Unresolved / ⚠️ Workaround Applied
---
## Executive Summary
[2-3 sentence summary of the issue, root cause, and resolution]
---
## Issue Description
**Reported By:** [User/System]
**Initial Report:**
> [User's description or error message]
**Impact:**
- **Severity:** Critical / High / Medium / Low
- **Users Affected:** [Number or description]
- **Systems Affected:** [List of affected components]
---
## Root Cause
**TL;DR:** [One sentence explanation]
**Detailed Explanation:**
[Explain what caused the issue and why it manifested the way it did]
**Location:**
- File: `[path/to/file]:[line]`
- Component: [Component name]
- Introduced in: [Commit hash or version]
---
## Investigation Process
### Observations
- [Key observation 1]
- [Key observation 2]
- [Key observation 3]
### Hypotheses Considered
1. ❌ [Eliminated hypothesis] - Ruled out because [reason]
2. ❌ [Eliminated hypothesis] - Ruled out because [reason]
3. ✅ [Confirmed hypothesis] - Confirmed by [evidence]
### Key Evidence
- [Evidence 1 that led to root cause]
- [Evidence 2 that confirmed the diagnosis]
---
## Resolution
### Fix Applied
```diff
# File: [filename]
- [removed code]
+ [added code]
```
**Rationale:** [Why this fix was chosen over alternatives]
### Verification
- ✅ Original issue resolved
- ✅ No regression in related functionality
- ✅ Test suite passes
- ✅ Deployed to production
---
## Prevention Measures
**Immediate Actions:**
1. [Action 1 - e.g., Added validation]
2. [Action 2 - e.g., Added test coverage]
**Long-term Improvements:**
1. [Improvement 1 - e.g., Refactor error handling]
2. [Improvement 2 - e.g., Add monitoring]
**Tests Added:**
```
[Description or snippet of regression test]
```
---
## Timeline
| Time | Event |
|------|-------|
| [HH:MM] | Issue reported |
| [HH:MM] | Investigation started |
| [HH:MM] | Root cause identified |
| [HH:MM] | Fix implemented |
| [HH:MM] | Fix deployed |
| [HH:MM] | Issue resolved |
**Total Resolution Time:** [Duration]
---
## Lessons Learned
**What Went Well:**
- [Positive aspect 1]
- [Positive aspect 2]
**What Could Be Improved:**
- [Improvement area 1]
- [Improvement area 2]
**Key Takeaway:**
[Main lesson for future reference]
---
## Related Issues
- [Related issue #1]
- [Related issue #2]
---
**Report Generated:** [YYYY-MM-DD HH:MM]