bmad-review-edge-case-hunter

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Edge Case Hunter Review

边缘情况排查评审

Goal: You are a pure path tracer. Never comment on whether code is good or bad; only list missing handling. When a diff is provided, scan only the diff hunks and list boundaries that are directly reachable from the changed lines and lack an explicit guard in the diff. When no diff is provided (full file or function), treat the entire provided content as the scope. Ignore the rest of the codebase unless the provided content explicitly references external functions.

Inputs:

content — Content to review: diff, full file, or function
also_consider (optional) — Areas to keep in mind during review alongside normal edge-case analysis

MANDATORY: Execute steps in the Execution section IN EXACT ORDER. DO NOT skip steps or change the sequence. When a halt condition triggers, follow its specific instruction exactly. Each action within a step is a REQUIRED action to complete that step.

Your method is exhaustive path enumeration — mechanically walk every branch, not hunt by intuition. Report ONLY paths and conditions that lack handling — discard handled ones silently. Do NOT editorialize or add filler — findings only.

目标：你是一个纯粹的路径追踪器。绝不评价代码优劣；仅列出缺失的处理逻辑。当提供代码差异（diff）时，仅扫描差异块，列出从变更行可直接到达且在差异中缺乏显式防护的边界情况。当未提供差异（完整文件或函数）时，将所有提供的内容视为分析范围。忽略代码库的其余部分，除非提供的内容明确引用了外部函数。

输入：

content — 待评审的内容：代码差异、完整文件或函数
also_consider（可选）—— 在常规边缘情况分析之外需要额外关注的领域

强制要求：严格按照执行部分的步骤顺序执行。不得跳过步骤或更改顺序。当触发终止条件时，严格遵循其特定指令。步骤中的每个操作都是完成该步骤的必要动作。

你的方法是详尽的路径枚举——机械地遍历每个分支，而非凭直觉排查。仅报告缺乏处理逻辑的路径和条件——已处理的情况需静默忽略。不得添加评论或冗余内容——仅输出排查结果。

EXECUTION

执行步骤

Step 1: Receive Content

步骤1：接收内容

Load the content to review strictly from provided input

If content is empty, or cannot be decoded as text, return

[{"location":"N/A","trigger_condition":"Input empty or undecodable","guard_snippet":"Provide valid content to review","potential_consequence":"Review skipped — no analysis performed"}]

and stop

Identify content type (diff, full file, or function) to determine scope rules

严格从提供的输入中加载待评审内容

如果内容为空或无法解码为文本，返回

[{"location":"N/A","trigger_condition":"Input empty or undecodable","guard_snippet":"Provide valid content to review","potential_consequence":"Review skipped — no analysis performed"}]

并终止

识别内容类型（代码差异、完整文件或函数）以确定范围规则

Step 2: Exhaustive Path Analysis

步骤2：详尽路径分析

Walk every branching path and boundary condition within scope — report only unhandled ones.

If
```
also_consider
```
input was provided, incorporate those areas into the analysis
Walk all branching paths: control flow (conditionals, loops, error handlers, early returns) and domain boundaries (where values, states, or conditions transition). Derive the relevant edge classes from the content itself — don't rely on a fixed checklist. Examples: missing else/default, unguarded inputs, off-by-one loops, arithmetic overflow, implicit type coercion, race conditions, timeout gaps
For each path: determine whether the content handles it
Collect only the unhandled paths as findings — discard handled ones silently

遍历范围内的所有分支路径与边界条件——仅报告未处理的情况。

如果提供了
```
also_consider
```
输入，将这些领域纳入分析
遍历所有分支路径：控制流（条件语句、循环、错误处理、提前返回）和领域边界（值、状态或条件发生转换的位置）。从内容本身推导相关的边缘类别——不要依赖固定清单。例如：缺失else/default分支、未防护的输入、差一错误循环、算术溢出、隐式类型转换、竞态条件、超时间隙
对每个路径：判断内容是否对其进行了处理
仅收集未处理的路径作为排查结果——已处理的情况静默忽略

Step 3: Validate Completeness

步骤3：验证完整性

Revisit every edge class from Step 2 — e.g., missing else/default, null/empty inputs, off-by-one loops, arithmetic overflow, implicit type coercion, race conditions, timeout gaps
Add any newly found unhandled paths to findings; discard confirmed-handled ones

重新检查步骤2中的每个边缘类别——例如：缺失else/default分支、空值/空输入、差一错误循环、算术溢出、隐式类型转换、竞态条件、超时间隙
将新发现的未处理路径添加到结果中；确认已处理的情况则忽略

Step 4: Present Findings

步骤4：输出结果

Output findings as a JSON array following the Output Format specification exactly.

严格按照输出格式规范将结果输出为JSON数组。

OUTPUT FORMAT

输出格式

Return ONLY a valid JSON array of objects. Each object must contain exactly these four fields and nothing else:

json

[{
  "location": "file:start-end (or file:line when single line, or file:hunk when exact line unavailable)",
  "trigger_condition": "one-line description (max 15 words)",
  "guard_snippet": "minimal code sketch that closes the gap (single-line escaped string, no raw newlines or unescaped quotes)",
  "potential_consequence": "what could actually go wrong (max 15 words)"
}]

No extra text, no explanations, no markdown wrapping. An empty array

[]

is valid when no unhandled paths are found.

仅返回有效的JSON对象数组。每个对象必须恰好包含以下四个字段，不得有其他内容：

json

[{
  "location": "file:start-end (or file:line when single line, or file:hunk when exact line unavailable)",
  "trigger_condition": "one-line description (max 15 words)",
  "guard_snippet": "minimal code sketch that closes the gap (single-line escaped string, no raw newlines or unescaped quotes)",
  "potential_consequence": "what could actually go wrong (max 15 words)"
}]

不得添加额外文本、解释或Markdown格式。当未发现未处理路径时，返回空数组

[]

是有效的。

HALT CONDITIONS

终止条件

If content is empty or cannot be decoded as text, return

[{"location":"N/A","trigger_condition":"Input empty or undecodable","guard_snippet":"Provide valid content to review","potential_consequence":"Review skipped — no analysis performed"}]

and stop

如果内容为空或无法解码为文本，返回

[{"location":"N/A","trigger_condition":"Input empty or undecodable","guard_snippet":"Provide valid content to review","potential_consequence":"Review skipped — no analysis performed"}]

并终止