Serendipity
ed91e47107
- 添加项目配置文件（tsconfig.json、bunfig.toml、.gitignore、.env.example） - 创建文档架构图（00runtime.png 至 08-state-data-flow.png） - 添加核心工具常量定义（FileEditTool、AgentTool、BashTool 等） - 实现基础命令框架（help、exit、config、model 等） - 添加 Ink TUI 组件库和布局引擎 - 包含内存管理、沙箱、shell 工具等基础工具类 - 设置预加载脚本和版本信息
54 lines
1.9 KiB
TypeScript
54 lines
1.9 KiB
TypeScript
/**
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* Days elapsed since mtime. Floor-rounded — 0 for today, 1 for
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* yesterday, 2+ for older. Negative inputs (future mtime, clock skew)
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* clamp to 0.
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*/
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export function memoryAgeDays(mtimeMs: number): number {
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return Math.max(0, Math.floor((Date.now() - mtimeMs) / 86_400_000))
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}
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/**
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* Human-readable age string. Models are poor at date arithmetic —
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* a raw ISO timestamp doesn't trigger staleness reasoning the way
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* "47 days ago" does.
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*/
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export function memoryAge(mtimeMs: number): string {
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const d = memoryAgeDays(mtimeMs)
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if (d === 0) return 'today'
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if (d === 1) return 'yesterday'
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return `${d} days ago`
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}
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/**
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* Plain-text staleness caveat for memories >1 day old. Returns ''
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* for fresh (today/yesterday) memories — warning there is noise.
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*
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* Use this when the consumer already provides its own wrapping
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* (e.g. messages.ts relevant_memories → wrapMessagesInSystemReminder).
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*
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* Motivated by user reports of stale code-state memories (file:line
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* citations to code that has since changed) being asserted as fact —
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* the citation makes the stale claim sound more authoritative, not less.
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*/
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export function memoryFreshnessText(mtimeMs: number): string {
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const d = memoryAgeDays(mtimeMs)
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if (d <= 1) return ''
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return (
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`This memory is ${d} days old. ` +
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`Memories are point-in-time observations, not live state — ` +
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`claims about code behavior or file:line citations may be outdated. ` +
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`Verify against current code before asserting as fact.`
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)
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}
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/**
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* Per-memory staleness note wrapped in <system-reminder> tags.
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* Returns '' for memories ≤ 1 day old. Use this for callers that
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* don't add their own system-reminder wrapper (e.g. FileReadTool output).
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*/
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export function memoryFreshnessNote(mtimeMs: number): string {
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const text = memoryFreshnessText(mtimeMs)
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if (!text) return ''
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return `<system-reminder>${text}</system-reminder>\n`
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}
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