Function buildMaintainStats

src/cli/maintain-stats.ts:27–52

(runs: MaintainRun[])

}

export function buildMaintainStats(runs: MaintainRun[]): MaintainStats {
  const opened = runs.filter(r => r.status === 'opened').length;
  const blocked = runs.filter(r => r.status === 'blocked').length;
  const failed = runs.filter(r => r.status === 'failed' || r.status === 'error').length;
  const filesCleaned = runs.filter(r => r.status === 'opened').reduce((a, r) => a + (r.filesChanged || 0), 0);

  const byScopeMap = new Map<string, { runs: number; opened: number }>();
  for (const r of runs) {
    const e = byScopeMap.get(r.scope) ?? { runs: 0, opened: 0 };
    e.runs++; if (r.status === 'opened') e.opened++;
    byScopeMap.set(r.scope, e);
  }
  const byScope = [...byScopeMap.entries()]
    .map(([scope, v]) => ({ scope, ...v }))
    .sort((a, b) => b.runs - a.runs);

  return {
    totalRuns: runs.length,
    opened, blocked, failed,
    successRate: runs.length ? opened / runs.length : 0,
    filesCleaned,
    estMinutesSaved: opened * 5,
    byScope,
    lastRun: runs[0] ? { when: runs[0].when, status: runs[0].status, scope: runs[0].scope } : undefined,
  };
}

/** Suggest scopes that haven't run yet (so the dashboard can nudge what to schedule next). PURE. */
export function suggestNextScopes(stats: MaintainStats, allScopes: readonly string[]): string[] {