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feat(checkpoint): append-only scan log for sub-phase resume + dynamic concurrency #13

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feat(checkpoint): append-only scan log for sub-phase resume + dynamic concurrency #13

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c4655ca
feat(checkpoint): add append-only scan log for sub-phase resume and d…
flnDEV-eacg Jun 11, 2026
7b3a0c0
fix(checkpoint): address PR review findings on scan-log robustness
flnDEV-eacg Jun 11, 2026
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7 changes: 6 additions & 1 deletion src/analyzer/context-analyzer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ import { PathResolver } from '../utils/path-resolver.js';
import { LightweightCodeFilter } from '../utils/code-filter.js';
import * as fs from 'fs/promises';
import { realpathSync } from 'fs';
import * as os from 'os';
import * as path from 'path';
import { fileURLToPath } from 'url';
import chalk from 'chalk';
Expand Down Expand Up @@ -451,7 +452,11 @@ export class ContextAnalyzer {
const STRATEGY_CONCURRENCY = (() => {
const raw = parseInt(process.env.SANDYAA_STRATEGY_CONCURRENCY || '', 10);
if (Number.isFinite(raw) && raw >= 1 && raw <= 8) return raw;
return 4;
// Scale with available CPUs: leave 2 threads for the orchestrator process.
// Clamp to [2, 8] so we stay aggressive on beefy machines but sane elsewhere.
// Guard against os.cpus() returning [] in restricted container environments.
const cpuCount = Math.max(1, os.cpus().length);
return Math.max(2, Math.min(8, cpuCount * 2 - 2));
})();

type StrategyOutcome = {
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