Function extractGitMemories

src/index.ts:1202–1235

* Extract memories from conventional git commits (refactor:, migrate:, fix:, revert:). * Scans last 90 days. Deduplicates via content hash. Zero friction alternative to manual memory.

(rootPath: string, memoryPath: string)

 * Scans last 90 days. Deduplicates via content hash. Zero friction alternative to manual memory.
 */
async function extractGitMemories(rootPath: string, memoryPath: string): Promise<number> {
  // Quick check: skip if not a git repo
  if (!(await fileExists(path.join(rootPath, '.git')))) return 0;

  const { execSync } = await import('child_process');

  let log: string;
  try {
    // Format: ISO-date<TAB>hash subject  (e.g. "2026-01-15T10:00:00+00:00\tabc1234 fix: race condition")
    log = execSync('git log --format="%aI\t%h %s" --since="90 days ago" --no-merges', {
      cwd: rootPath,
      encoding: 'utf-8',
      timeout: 5000
    }).trim();
  } catch {
    // Git not available or command failed — silently skip
    return 0;
  }

  if (!log) return 0;

  const lines = log.split('\n').filter(Boolean);
  let added = 0;

  for (const line of lines) {
    const parsedMemory = parseGitLogLineToMemory(line);
    if (!parsedMemory) continue;

    const result = await appendMemoryFile(memoryPath, parsedMemory);
    if (result.status === 'added') added++;
  }

  return added;
}

async function performIndexingOnce(
  project: ProjectState,