# Pitfall Log / 踩坑日志

项目：fellanH/context-vault

摘要：发现 31 个潜在踩坑项，其中 0 个为 high/blocking；最高优先级：安装坑 - 失败模式：installation: Explore FastMCP (Python) rewrite for MCP server。

## 1. 安装坑 · 失败模式：installation: Explore FastMCP (Python) rewrite for MCP server

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this installation risk before relying on the project: Explore FastMCP (Python) rewrite for MCP server
- 对用户的影响：Developers may fail before the first successful local run: Explore FastMCP (Python) rewrite for MCP server
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/191 | Explore FastMCP (Python) rewrite for MCP server

## 2. 安装坑 · 失败模式：installation: v3.12.0

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this installation risk before relying on the project: v3.12.0
- 对用户的影响：Upgrade or migration may change expected behavior: v3.12.0
- 证据：failure_mode_cluster:github_release | https://github.com/fellanH/context-vault/releases/tag/v3.12.0 | v3.12.0

## 3. 安装坑 · 失败模式：installation: v3.13.0

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this installation risk before relying on the project: v3.13.0
- 对用户的影响：Upgrade or migration may change expected behavior: v3.13.0
- 证据：failure_mode_cluster:github_release | https://github.com/fellanH/context-vault/releases/tag/v3.13.0 | v3.13.0

## 4. 安装坑 · 失败模式：installation: v3.16.1

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this installation risk before relying on the project: v3.16.1
- 对用户的影响：Upgrade or migration may change expected behavior: v3.16.1
- 证据：failure_mode_cluster:github_release | https://github.com/fellanH/context-vault/releases/tag/v3.16.1 | v3.16.1

## 5. 安装坑 · 失败模式：installation: v3: Clean local/hosted separation — pure engine core

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this installation risk before relying on the project: v3: Clean local/hosted separation — pure engine core
- 对用户的影响：Developers may fail before the first successful local run: v3: Clean local/hosted separation — pure engine core
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/185 | v3: Clean local/hosted separation — pure engine core

## 6. 安装坑 · 失败模式：installation: v4.0.0

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this installation risk before relying on the project: v4.0.0
- 对用户的影响：Upgrade or migration may change expected behavior: v4.0.0
- 证据：failure_mode_cluster:github_release | https://github.com/fellanH/context-vault/releases/tag/v4.0.0 | v4.0.0

## 7. 安装坑 · 来源证据：Blog post: Building a Self-Improving Agent OS

- 严重度：medium
- 证据强度：source_linked
- 发现：GitHub 社区证据显示该项目存在一个安装相关的待验证问题：Blog post: Building a Self-Improving Agent OS
- 对用户的影响：可能阻塞安装或首次运行。
- 证据：community_evidence:github | https://github.com/fellanH/context-vault/issues/167 | 来源类型 github_issue 暴露的待验证使用条件。

## 8. 安装坑 · 来源证据：Explore FastMCP (Python) rewrite for MCP server

- 严重度：medium
- 证据强度：source_linked
- 发现：GitHub 社区证据显示该项目存在一个安装相关的待验证问题：Explore FastMCP (Python) rewrite for MCP server
- 对用户的影响：可能阻塞安装或首次运行。
- 证据：community_evidence:github | https://github.com/fellanH/context-vault/issues/191 | 来源讨论提到 python 相关条件，需在安装/试用前复核。

## 9. 安装坑 · 来源证据：Search semantic lane fails: insertVec is not a function (25k embeddings never materialize)

- 严重度：medium
- 证据强度：source_linked
- 发现：GitHub 社区证据显示该项目存在一个安装相关的待验证问题：Search semantic lane fails: insertVec is not a function (25k embeddings never materialize)
- 对用户的影响：可能增加新用户试用和生产接入成本。
- 证据：community_evidence:github | https://github.com/fellanH/context-vault/issues/202 | 来源类型 github_issue 暴露的待验证使用条件。

## 10. 安装坑 · 来源证据：Tiered storage: separate hot/cold databases for curated vs bulk data

- 严重度：medium
- 证据强度：source_linked
- 发现：GitHub 社区证据显示该项目存在一个安装相关的待验证问题：Tiered storage: separate hot/cold databases for curated vs bulk data
- 对用户的影响：可能影响升级、迁移或版本选择。
- 证据：community_evidence:github | https://github.com/fellanH/context-vault/issues/190 | 来源类型 github_issue 暴露的待验证使用条件。

## 11. 配置坑 · 可能修改宿主 AI 配置

- 严重度：medium
- 证据强度：source_linked
- 发现：项目面向 Claude/Cursor/Codex/Gemini/OpenCode 等宿主，或安装命令涉及用户配置目录。
- 对用户的影响：安装可能改变本机 AI 工具行为，用户需要知道写入位置和回滚方法。
- 证据：capability.host_targets | https://github.com/fellanH/context-vault | host_targets=mcp_host, claude_code, claude, cursor

## 12. 配置坑 · 失败模式：configuration: Add configurable body_limit parameter to get_context

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this configuration risk before relying on the project: Add configurable body_limit parameter to get_context
- 对用户的影响：Developers may misconfigure credentials, environment, or host setup: Add configurable body_limit parameter to get_context
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/196 | Add configurable body_limit parameter to get_context

## 13. 配置坑 · 失败模式：configuration: Auto-set expires_at on event category entries

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this configuration risk before relying on the project: Auto-set expires_at on event category entries
- 对用户的影响：Developers may misconfigure credentials, environment, or host setup: Auto-set expires_at on event category entries
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/194 | Auto-set expires_at on event category entries

## 14. 配置坑 · 失败模式：configuration: Blog post: Building a Self-Improving Agent OS

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this configuration risk before relying on the project: Blog post: Building a Self-Improving Agent OS
- 对用户的影响：Developers may misconfigure credentials, environment, or host setup: Blog post: Building a Self-Improving Agent OS
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/167 | Blog post: Building a Self-Improving Agent OS

## 15. 配置坑 · 失败模式：configuration: Prompt-history event consolidation: batch or summarize instead of 1:1 capture

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this configuration risk before relying on the project: Prompt-history event consolidation: batch or summarize instead of 1:1 capture
- 对用户的影响：Developers may misconfigure credentials, environment, or host setup: Prompt-history event consolidation: batch or summarize instead of 1:1 capture
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/145 | Prompt-history event consolidation: batch or summarize instead of 1:1 capture

## 16. 配置坑 · 失败模式：configuration: Tiered storage: separate hot/cold databases for curated vs bulk data

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this configuration risk before relying on the project: Tiered storage: separate hot/cold databases for curated vs bulk data
- 对用户的影响：Developers may misconfigure credentials, environment, or host setup: Tiered storage: separate hot/cold databases for curated vs bulk data
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/190 | Tiered storage: separate hot/cold databases for curated vs bulk data

## 17. 配置坑 · 失败模式：configuration: v3.11.0

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this configuration risk before relying on the project: v3.11.0
- 对用户的影响：Upgrade or migration may change expected behavior: v3.11.0
- 证据：failure_mode_cluster:github_release | https://github.com/fellanH/context-vault/releases/tag/v3.11.0 | v3.11.0

## 18. 配置坑 · 失败模式：configuration: v3.16.0

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this configuration risk before relying on the project: v3.16.0
- 对用户的影响：Upgrade or migration may change expected behavior: v3.16.0
- 证据：failure_mode_cluster:github_release | https://github.com/fellanH/context-vault/releases/tag/v3.16.0 | v3.16.0

## 19. 能力坑 · 能力判断依赖假设

- 严重度：medium
- 证据强度：source_linked
- 发现：README/documentation is current enough for a first validation pass.
- 对用户的影响：假设不成立时，用户拿不到承诺的能力。
- 证据：capability.assumptions | https://github.com/fellanH/context-vault | README/documentation is current enough for a first validation pass.

## 20. 维护坑 · 失败模式：migration: v3.19.0

- 严重度：medium
- 证据强度：source_linked
- 发现：Developers should check this migration risk before relying on the project: v3.19.0
- 对用户的影响：Upgrade or migration may change expected behavior: v3.19.0
- 证据：failure_mode_cluster:github_release | https://github.com/fellanH/context-vault/releases/tag/v3.19.0 | v3.19.0

## 21. 维护坑 · 来源证据：Support upsert-by-identity_key in save_context

- 严重度：medium
- 证据强度：source_linked
- 发现：GitHub 社区证据显示该项目存在一个维护/版本相关的待验证问题：Support upsert-by-identity_key in save_context
- 对用户的影响：可能增加新用户试用和生产接入成本。
- 证据：community_evidence:github | https://github.com/fellanH/context-vault/issues/198 | 来源类型 github_issue 暴露的待验证使用条件。

## 22. 维护坑 · 维护活跃度未知

- 严重度：medium
- 证据强度：source_linked
- 发现：未记录 last_activity_observed。
- 对用户的影响：新项目、停更项目和活跃项目会被混在一起，推荐信任度下降。
- 证据：evidence.maintainer_signals | https://github.com/fellanH/context-vault | last_activity_observed missing

- 严重度：medium
- 证据强度：source_linked
- 发现：no_demo
- 证据：downstream_validation.risk_items | https://github.com/fellanH/context-vault | no_demo; severity=medium

## 24. 安全/权限坑 · 存在评分风险

- 严重度：medium
- 证据强度：source_linked
- 发现：no_demo
- 对用户的影响：风险会影响是否适合普通用户安装。
- 证据：risks.scoring_risks | https://github.com/fellanH/context-vault | no_demo; severity=medium

## 25. 安全/权限坑 · 来源证据：Add configurable body_limit parameter to get_context

- 严重度：medium
- 证据强度：source_linked
- 发现：GitHub 社区证据显示该项目存在一个安全/权限相关的待验证问题：Add configurable body_limit parameter to get_context
- 对用户的影响：可能影响授权、密钥配置或安全边界。
- 证据：community_evidence:github | https://github.com/fellanH/context-vault/issues/196 | 来源类型 github_issue 暴露的待验证使用条件。

## 26. 安全/权限坑 · 来源证据：identity_key miss silently falls through to semantic search

- 严重度：medium
- 证据强度：source_linked
- 发现：GitHub 社区证据显示该项目存在一个安全/权限相关的待验证问题：identity_key miss silently falls through to semantic search
- 对用户的影响：可能影响授权、密钥配置或安全边界。
- 证据：community_evidence:github | https://github.com/fellanH/context-vault/issues/197 | 来源类型 github_issue 暴露的待验证使用条件。

## 27. 安全/权限坑 · 来源证据：v3: Clean local/hosted separation — pure engine core

- 严重度：medium
- 证据强度：source_linked
- 发现：GitHub 社区证据显示该项目存在一个安全/权限相关的待验证问题：v3: Clean local/hosted separation — pure engine core
- 对用户的影响：可能影响升级、迁移或版本选择。
- 证据：community_evidence:github | https://github.com/fellanH/context-vault/issues/185 | 来源讨论提到 node 相关条件，需在安装/试用前复核。

## 28. 能力坑 · 失败模式：capability: Search semantic lane fails: insertVec is not a function (25k embeddings never materialize)

- 严重度：low
- 证据强度：source_linked
- 发现：Developers should check this capability risk before relying on the project: Search semantic lane fails: insertVec is not a function (25k embeddings never materialize)
- 对用户的影响：Developers may hit a documented source-backed failure mode: Search semantic lane fails: insertVec is not a function (25k embeddings never materialize)
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/202 | Search semantic lane fails: insertVec is not a function (25k embeddings never materialize)

## 29. 能力坑 · 失败模式：capability: identity_key miss silently falls through to semantic search

- 严重度：low
- 证据强度：source_linked
- 发现：Developers should check this capability risk before relying on the project: identity_key miss silently falls through to semantic search
- 对用户的影响：Developers may hit a documented source-backed failure mode: identity_key miss silently falls through to semantic search
- 证据：failure_mode_cluster:github_issue | https://github.com/fellanH/context-vault/issues/197 | identity_key miss silently falls through to semantic search

## 30. 维护坑 · issue/PR 响应质量未知

- 严重度：low
- 证据强度：source_linked
- 发现：issue_or_pr_quality=unknown。
- 对用户的影响：用户无法判断遇到问题后是否有人维护。
- 证据：evidence.maintainer_signals | https://github.com/fellanH/context-vault | issue_or_pr_quality=unknown

## 31. 维护坑 · 发布节奏不明确

- 严重度：low
- 证据强度：source_linked
- 发现：release_recency=unknown。
- 对用户的影响：安装命令和文档可能落后于代码，用户踩坑概率升高。
- 证据：evidence.maintainer_signals | https://github.com/fellanH/context-vault | release_recency=unknown