Cut AI coding context without cutting the work.

Without ashlr — raw Read

import { createHash } from "crypto"; import { readFileSync, writeFileSync } from "fs"; import path from "path"; export interface GenomeEntry { id: string; symbol: string; file: string; line: number; kind: "function" | "class" | "interface" | "type" | "const"; summary: string; tokens: number; hash: string; updatedAt: number; } export interface GenomeIndex { version: number; rootDir: string; entries: GenomeEntry[]; totalTokens: number; lastScan: number; } function hashContent(content: string): string { return createHash("sha256").update(content).digest("hex").slice(0, 12); } export function loadIndex(rootDir: string): GenomeIndex | null { const indexPath = path.join(rootDir, ".ashlrcode", "genome", "index.json"); try { const raw = readFileSync(indexPath, "utf8"); return JSON.parse(raw) as GenomeIndex; } catch { return null; } } export function saveIndex(rootDir: string, index: GenomeIndex): void { const dir = path.join(rootDir, ".ashlrcode", "genome"); const indexPath = path.join(dir, "index.json"); writeFileSync(indexPath, JSON.stringify(index, null, 2), "utf8"); } export function mergeEntries( existing: GenomeEntry[], incoming: GenomeEntry[] ): GenomeEntry[] { const map = new Map<string, GenomeEntry>(); for (const entry of existing) map.set(entry.id, entry); for (const entry of incoming) map.set(entry.id, entry); return Array.from(map.values()).sort((a, b) => a.file.localeCompare(b.file)); } export function pruneStale( entries: GenomeEntry[], rootDir: string ): GenomeEntry[] { return entries.filter((e) => { try { const abs = path.resolve(rootDir, e.file); const content = readFileSync(abs, "utf8"); return hashContent(content) !== e.hash || true; } catch { return false; } }); } export function buildSummaryBlock(entries: GenomeEntry[]): string { return entries .map((e) => `[${e.kind}] ${e.symbol} @ ${e.file}:${e.line} — ${e.summary}`) .join("\n"); } export function estimateTokens(text: string): number { // ~3.5 chars per token average for source code return Math.ceil(text.length / 3.5); } export function findBySymbol( entries: GenomeEntry[], symbol: string ): GenomeEntry | undefined { return entries.find( (e) => e.symbol === symbol || e.symbol.endsWith("." + symbol) ); } export function topByTokens( entries: GenomeEntry[], n = 10 ): GenomeEntry[] { return [...entries] .sort((a, b) => b.tokens - a.tokens) .slice(0, n); }

With ashlr — ashlr__read snipCompact

import { createHash } from "crypto"; import { readFileSync, writeFileSync } from "fs"; import path from "path"; export interface GenomeEntry { id: string; symbol: string; file: string; line: number; kind: "function" | "class" | "interface" | "type" | "const"; summary: string; tokens: number; hash: string; updatedAt: number; } export interface GenomeIndex { version: number; [... 3840 bytes elided — 61 lines omitted ...] export function topByTokens( entries: GenomeEntry[], n = 10 ): GenomeEntry[] { return [...entries] .sort((a, b) => b.tokens - a.tokens) .slice(0, n); }