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audit-diff-harness

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更新日2026年6月10日 09:52

Feature-centric deep incremental security review harness for Git-backed code changes, with autonomous, agents, and hybrid execution modes.

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lousix

lousix/opencode-agents

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Audit Diff Harness Skill

功能中心的 Git 增量深度安全检视协议。核心目标: 审计一个由多个 commit / PR / patch 实现的功能，而不是孤立审查几行 diff。

Core Principles

增量审计只有 deep。
默认由 AI 自主漏洞挖掘，D1-D10 只作为审后覆盖矩阵。
Agent 是可选放大镜，不是默认探索边界。
功能语义是审计边界，Git diff 是证据入口。
功能文档是上下文，不是漏洞成立证据。

最终 finding 必须同时绑定:

功能语义: 该漏洞属于哪个功能、破坏了哪个预期安全属性
Git 变更: changed file / changed hunk / changed control / changed dependency
代码证据: 真实 source、broken control、sink、配置或依赖边界
可达性: 攻击者如何通过该功能触发

Supported Inputs

Required Feature Boundary

优先要求用户给出功能名或功能说明:

/git-audit --feature "报表导出" --range main..HEAD
/git-audit --feature "SSO 登录改造" --commits a1b2c3,d4e5f6
/git-audit --feature "支付回调接入" --patch patches/payment.diff --docs specs/payment.md

自然语言也可接受:

审计这次“批量导入客户”功能，代码在 PR 21、22、25，需求文档在 docs/import-customer.md

若未提供功能名，调度器必须从 branch 名、commit message、PR 标题、diff 文件名和变更模块推断 [FEATURE_PROFILE]，并把 feature_name_inferred 写入 [CONTEXT_GAPS]。

Code Scope Inputs

支持以下 Git-backed 范围:

输入	含义
`--worktree`	staged + unstaged + untracked，本地工作区整体改动
`--staged`	只审暂存区
`--unstaged`	未暂存改动 + untracked
`--commit <sha>`	审单个 commit，对比 `<sha>^..<sha>`
`--commits a,b,c`	审一组 commit；用于一个功能分散在多个提交
`--range <base>..<head>`	审 revision range
`--base <ref> --head <ref>`	显式 base/head
`--merge-base <base> <head>`	使用 merge-base 作为 base
`--patch <file.diff>`	审离线 patch
`--prs 1,2,3`	可选解析器；若无法解析，要求用户提供 branch/range/patch

Optional Context Inputs

输入	用途
`--docs <paths>`	功能需求、设计、接口、权限矩阵、测试计划
`--focus D1,D3,D9`	用户指定重点，但不能跳过明显相关风险
`--engine autonomous	agents
`--include/--exclude`	限制或排除路径
`{target}/audit-context.md`	项目级技术栈、暴露面、内部框架语义
`.codegraph/` / `.code-review-graph/`	可选图上下文，补充 impact radius / affected flows

Execution Modes

`autonomous` (default)

主审计 AI 自主完成漏洞挖掘:

feature intent
  -> expected security properties
  -> trust boundaries
  -> implementation diff
  -> supporting code
  -> source/control/sink proof
  -> exploitability and severity

D1-D10 在该模式下只用于审后 coverage self-check 和报告分类。

`agents`

结构化并行审计。调度器根据 [FEATURE_SECURITY_PROFILE] 启动相关专业 Agent:

风险信号	Agent
injection / query / template / expression	`audit-d1-injection`
auth / permission / ownership / workflow	`audit-d2d3d9-control`
deserialization / RCE / script engine	`audit-d4-rce`
file / archive / download / outbound URL	`audit-d5d6-file-ssrf`
crypto / config / dependency / CI	`audit-d7d8d10-config`

每个 Agent 必须只审 [FEATURE_PROFILE] + [DIFF_SCOPE] + [RELEVANT_SUPPORTING_FILES]，不得扩散为全仓库审计。

`hybrid`

自主主线 + 定向 Agent。主审计 AI 先自由建模和发现风险，再把高风险簇派给对应 Agent 深挖或复核。

Required Output Blocks

调度器在进入漏洞挖掘前必须生成:

[FEATURE_PROFILE]
name: {provided|inferred feature name}
intent: {what capability is added or changed}
actors: {anonymous|user|admin|service|third_party|unknown}
assets: {data, files, credentials, money, tenant data, control plane}
entrypoints: {routes, jobs, consumers, CLI, callbacks, config toggles}
trust_boundaries: {internet->app, user->tenant data, service callback->internal, ...}
security_properties: {authn, authz, ownership, validation, signing, replay, isolation, ...}
docs: {provided paths, missing, conflicts}
context_confidence: high|medium|low

[DIFF_SCOPE]
mode: worktree|staged|unstaged|commit|commits|range|base_head|merge_base|patch|prs
repo_root: {absolute path}
base: {ref or n/a}
head: {ref or n/a}
commits: {list or n/a}
patches: {list or n/a}
changed_files: {count and representative list}
changed_hunks: {file:line ranges}
renames_deletes: {if any}
excluded: {path and reason}

[FEATURE_SECURITY_PROFILE]
new_entrypoints: {...}
modified_controls: {...}
modified_sinks: {...}
modified_data_models: {...}
modified_file_network_ops: {...}
modified_crypto_config: {...}
dependency_ci_changes: {...}
risk_dimensions: {D1-D10 with reasons}

[RELEVANT_SUPPORTING_FILES]
{path}: reason={caller|callee|auth_chain|route_registry|sanitizer|sink_helper|config_profile|dependency_context}

[GRAPH_CONTEXT_PROFILE]
providers:
  codegraph: available|missing|not_indexed|error
  code-review-graph: available|missing|not_indexed|error
graph_confidence: none|low|medium|high
risk_score: {optional provider risk score}
changed_symbols: {name,file,line,provider}
impacted_files: {path,reason,provider}
affected_flows: {name,criticality,files}
test_gaps: {symbol,file,line}
supporting_files_added: {path,reason,provider}
limitations: {stale graph, missing graph, provider errors}

[CONTEXT_GAPS]
{missing feature docs, unknown exposure, unresolved PR fetch, conflicting doc/code assumptions}

Worklist And Coverage

必须使用确定性 worklist:

audit_generate_diff_worklist(...)

该工具由 .opencode/plugin/git-diff-harness.js 独立暴露。若 OpenCode plugin tool 不可用，才 fallback 到:

python3 references/core/git_diff_worklist.py ...

默认输出:

{target_project}/audit-output/git-diff-scans/{scan_id}/artifacts/02_worklist/diff_worklist.csv
{target_project}/audit-output/git-diff-scans/{scan_id}/artifacts/02_worklist/deep_review_input.csv
{target_project}/audit-output/git-diff-scans/{scan_id}/artifacts/02_worklist/work_ledger.md
{target_project}/audit-output/git-diff-scans/{scan_id}/artifacts/06_graph_context/graph_context.json
{target_project}/audit-output/git-diff-scans/{scan_id}/artifacts/06_graph_context/graph_context.md

每个 source-like changed file 必须有覆盖结论:

disposition	含义
`covered`	完整审阅了 changed hunks 和必要上下文
`not_applicable`	非安全相关或非源码，但说明理由
`suppressed`	用户排除或 generated/vendor/test，说明证据
`deferred`	因缺少 PR/patch/docs/依赖或预算无法闭合，说明 blocker

只有搜索命中或只看 hunk 不算 covered。必须记录功能语义、变更行为、安全属性和候选结论。

Optional Graph Context

在 worklist 生成后、漏洞挖掘前，调度器应加载 audit-graph-context 并运行:

audit_generate_graph_context(...)

该工具由 .opencode/plugin/git-diff-harness.js 独立暴露。若 OpenCode plugin tool 不可用，才 fallback 到:

python3 references/core/graph_context_adapter.py ...

Graph context 的作用:

生成并驱动 [GRAPH_REVIEW_QUEUE]，改变漏洞挖掘的第一阅读顺序
扩展 [RELEVANT_SUPPORTING_FILES]
标注 changed symbols、affected flows、test gaps
辅助 hybrid 模式决定是否派专项 Agent
在报告中说明 blast radius 和图上下文局限

Graph context 的限制:

不安装、不自动构建索引
provider 不可用时不得阻断审计
graph risk score 不是安全严重度
final finding 仍必须来自真实代码证据
不允许只把 graph context 写入报告；若 graph_review_queue 非空，必须先按队列读代码，再回到普通 diff 文件顺序

必须输出:

[GRAPH_CONTEXT_PROFILE]
[GRAPH_REVIEW_QUEUE]
[GRAPH_SUPPORTING_FILES]

支持的 graph-derived supporting file reasons:

graph_caller
graph_callee
graph_impact
graph_flow
graph_test_gap
graph_route
graph_priority

Finding Rules

最终 finding 必须回答:

属于哪个功能。
功能文档或代码推断出的预期安全属性是什么。
本次变更如何新增、削弱、绕过或重新暴露该属性。
攻击者从哪个入口触发。
Source / broken control / sink 或配置/依赖证据在哪里。
为什么这是该功能引入或影响的风险，而不是无关旧问题。

不得报告:

与本功能无关的历史漏洞，除非本次变更让它新可达或影响面变大
只有 sink 命中但无法绑定功能入口或 changed control 的问题
只由文档推断、没有真实代码证据的问题

Agent Contract Additions

当 engine=agents|hybrid 时，注入给每个子 Agent:

[FEATURE_PROFILE] 功能意图、角色、资产、入口、信任边界、预期安全属性
[DIFF_SCOPE] Git 范围、changed files、changed hunks
[FEATURE_DOC_CONTEXT] 已读取的功能文档摘要、冲突和缺口
[RELEVANT_SUPPORTING_FILES] 允许读取的 supporting files 和理由
[GRAPH_CONTEXT_PROFILE] 可选图上下文、provider 状态、impact/flow/test-gap 信号
[GRAPH_SUPPORTING_FILES] graph-derived supporting files，必须实际读取后才可作为证据
[INCREMENTAL_RULES]
  - deep-only
  - stay feature-scoped
  - final candidate must bind to changed line/hunk/control or diff-affected old sink
  - D1-D10 is coverage taxonomy, not exploration limit

子 Agent 输出中的 CANDIDATE_LEDGER 仍写入现有审计 DB；不得创建 per-agent JSONL 候选账本。

Report Rules

最终报告使用 references/core/git_diff_report_template.md。报告必须保存到:

{target_project}/audit-output/git-diff-scans/{scan_id}/report.md

报告必须包含:

功能画像
代码范围
文档上下文
Reviewed Feature Surfaces
Candidate 覆盖与 Known Gaps
Final Findings
No findings reason (若无漏洞)

name	audit-diff-harness
description	Feature-centric deep incremental security review harness for Git-backed code changes, with autonomous, agents, and hybrid execution modes.

audit-diff-harness

このリポジトリの他の Skills

このリポジトリの他の Skills

Audit Diff Harness Skill

Core Principles

Supported Inputs

Required Feature Boundary

Code Scope Inputs

Optional Context Inputs

Execution Modes

autonomous (default)

agents

hybrid

Required Output Blocks

Worklist And Coverage

Optional Graph Context

Finding Rules

Agent Contract Additions

Report Rules

Audit Diff Harness Skill

Core Principles

Supported Inputs

Required Feature Boundary

Code Scope Inputs

Optional Context Inputs

Execution Modes

autonomous (default)

agents

hybrid

Required Output Blocks

Worklist And Coverage

Optional Graph Context

Finding Rules

Agent Contract Additions

Report Rules

`autonomous` (default)

`agents`

`hybrid`

`autonomous` (default)

`agents`

`hybrid`