Function getVoiceKeyterms

src/services/voiceKeyterms.ts:63–106

(
  recentFiles?: ReadonlySet<string>,
)

 * git branch, recent files) without any model calls.
 */
export async function getVoiceKeyterms(
  recentFiles?: ReadonlySet<string>,
): Promise<string[]> {
  const terms = new Set<string>(GLOBAL_KEYTERMS)

  // Project root basename as a single term — users say "claude CLI internal"
  // as a phrase, not isolated words. Keeping the whole basename lets the
  // STT's keyterm boosting match the phrase regardless of separator.
  try {
    const projectRoot = getProjectRoot()
    if (projectRoot) {
      const name = basename(projectRoot)
      if (name.length > 2 && name.length <= 50) {
        terms.add(name)
      }
    }
  } catch {
    // getProjectRoot() may throw if not initialised yet — ignore
  }

  // Git branch words (e.g. "feat/voice-keyterms" → "feat", "voice", "keyterms")
  try {
    const branch = await getBranch()
    if (branch) {
      for (const word of splitIdentifier(branch)) {
        terms.add(word)
      }
    }
  } catch {
    // getBranch() may fail if not in a git repo — ignore
  }

  // Recent file names — only scan enough to fill remaining slots
  if (recentFiles) {
    for (const filePath of recentFiles) {
      if (terms.size >= MAX_KEYTERMS) break
      for (const word of fileNameWords(filePath)) {
        terms.add(word)
      }
    }
  }

  return [...terms].slice(0, MAX_KEYTERMS)
}