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Get Started Free →按需召回已归档的上下文细节:支持按关键词、阶段、类型和决策维度检索, 从 L2 归档和 Phase Ledger 中恢复压缩丢失的信息。
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 434% | 0% |
| case-02 | ✗→✓ | ▲ Improved | 234% | 0% |
| case-04 | ✗→✓ | ▲ Improved | 28% | 0% |
| case-05 | ✗→✓ | ▲ Improved | -25% | 0% |
| case-06 | ✗→✓ | ▲ Improved | 54% | 0% |
按需召回已归档的上下文细节,从 L2 归档索引和 Phase Ledger 中恢复压缩过程中被移出工作记忆的信息。
/recall 命令/recall <keyword> # 按关键词搜索归档
/recall phase:<phase_name> # 按阶段召回(如 phase:implementation)
/recall type:<element_type> # 按类型召回(如 type:tool_result)
/recall decisions # 召回所有决策记录
/recall timeline # 显示阶段时间线概览/recall phase:design keyword # 在 design 阶段中搜索关键词
/recall type:code_change api # 在代码变更中搜索 api 相关内容从 L2 归档索引中按关键词匹配,返回相关的归档元素摘要和完整内容引用。
工作原理:
~/.claude/memory/sessions/{sid}/index.json 中的 keywords 字段从 Phase Ledger 中按阶段名称检索,返回该阶段的结构化交接记录。
输出包含:
跨所有阶段收集决策记录,构建完整的决策链路。适用于需要理解"为什么这样做"的场景。
按上下文元素类型检索:
tool_result: 工具执行结果assistant_message: 助手回复user_message: 用户消息code_change: 代码变更decision: 决策记录| 模块 | 路径 | 职责 | |------|------|------| | context_recall | scripts/lib/context_recall.py | 召回逻辑核心 | | context_archiver | scripts/lib/context_archiver.py | L2 归档索引读取 | | phase_ledger | scripts/lib/phase_ledger.py | Phase Ledger 读取 |
| 源 | 路径 | 内容 | |----|------|------| | L2 归档索引 | ~/.claude/memory/sessions/{sid}/index.json | 关键词索引、元素摘要 | | L2 归档文件 | ~/.claude/memory/sessions/{sid}/archived/*.md | 完整归档内容 | | Phase Ledger | docs/memory/sessions/{sid}/phase-*.md | 阶段交接记录 | | Ledger 索引 | /tmp/harness-phase-ledger-{sid}.json | Ledger 快速索引 |
pythonfrom scripts.lib.context_recall import ( recall_by_keyword, recall_by_phase, recall_by_type, recall_decisions, get_phase_timeline, format_recall_results, ) # 按关键词 results = recall_by_keyword(session_id, "api contract") print(format_recall_results(results)) # 按阶段 results = recall_by_phase(session_id, "design", project_path) print(format_recall_results(results)) # 所有决策 results = recall_decisions(session_id, project_path) print(format_recall_results(results)) # 阶段时间线 timeline = get_phase_timeline(session_id, project_path) print(timeline)
召回结果以 Markdown 格式返回:
markdown## 召回结果: "api contract" ### 匹配 1: [tool_result] API 设计讨论 - **阶段**: design - **归档时间**: 2025-01-15 14:30 - **摘要**: 确定了 RESTful API 契约,包括认证方式和错误码规范... - **完整内容**: ~/.claude/memory/sessions/abc123/archived/a1b2c3d4e5f6.md ### 匹配 2: [decision] 选择 OpenAPI 3.0 - **阶段**: design - **摘要**: 决定使用 OpenAPI 3.0 作为 API 契约格式...
| 能力 | 关系 | |------|------| | strategic-compact | compact 时归档 → recall 时恢复 | | pre_compact hook | 产生 L2 归档和索引 → recall 消费 | | session_start hook | 启动时自动加载 Phase Timeline | | phase_tracker | 提供阶段上下文用于精确召回 | | phase_ledger | 提供结构化阶段交接 → recall 检索 |
Other measured skills in the registry, with their headline benchmark lift.