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sakuradairong 818faefa86 release: v1.15

修复: 备份异常 EPERM (Operation not permitted) 导致整个备份中断
- BackupOperation: 检查 mkdirs 返回值，writeText 异常时优雅降级而非抛出
- BackupScreen: 增加异常完整堆栈记录和智能提示（EPERM/EACCES）

2026-06-08 14:18:28 +08:00

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GitNexus — Code Intelligence

This project is indexed by GitNexus as android-backup-gui (1684 symbols, 4068 relationships, 146 execution flows). Use the GitNexus MCP tools to understand code, assess impact, and navigate safely.

If any GitNexus tool warns the index is stale, run npx gitnexus analyze in terminal first.

Always Do

MUST run impact analysis before editing any symbol. Before modifying a function, class, or method, run gitnexus_impact({target: "symbolName", direction: "upstream"}) and report the blast radius (direct callers, affected processes, risk level) to the user.
MUST run gitnexus_detect_changes() before committing to verify your changes only affect expected symbols and execution flows.
MUST warn the user if impact analysis returns HIGH or CRITICAL risk before proceeding with edits.
When exploring unfamiliar code, use gitnexus_query({query: "concept"}) to find execution flows instead of grepping. It returns process-grouped results ranked by relevance.
When you need full context on a specific symbol — callers, callees, which execution flows it participates in — use gitnexus_context({name: "symbolName"}).

Never Do

NEVER edit a function, class, or method without first running gitnexus_impact on it.
NEVER ignore HIGH or CRITICAL risk warnings from impact analysis.
NEVER rename symbols with find-and-replace — use gitnexus_rename which understands the call graph.
NEVER commit changes without running gitnexus_detect_changes() to check affected scope.

Resources

Resource	Use for
`gitnexus://repo/android-backup-gui/context`	Codebase overview, check index freshness
`gitnexus://repo/android-backup-gui/clusters`	All functional areas
`gitnexus://repo/android-backup-gui/processes`	All execution flows
`gitnexus://repo/android-backup-gui/process/{name}`	Step-by-step execution trace

CLI

Task	Read this skill file
Understand architecture / "How does X work?"	`.claude/skills/gitnexus/gitnexus-exploring/SKILL.md`
Blast radius / "What breaks if I change X?"	`.claude/skills/gitnexus/gitnexus-impact-analysis/SKILL.md`
Trace bugs / "Why is X failing?"	`.claude/skills/gitnexus/gitnexus-debugging/SKILL.md`
Rename / extract / split / refactor	`.claude/skills/gitnexus/gitnexus-refactoring/SKILL.md`
Tools, resources, schema reference	`.claude/skills/gitnexus/gitnexus-guide/SKILL.md`
Index, status, clean, wiki CLI commands	`.claude/skills/gitnexus/gitnexus-cli/SKILL.md`

用户偏好

语言: 所有回复必须使用中文。在任何新对话中都需要自动遵守此要求。

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