Function summarizeSession

packages/arctic/src/session/summary.ts:36–61

(input: { sessionID: string; messages: MessageV2.WithParts[] })

  )

  async function summarizeSession(input: { sessionID: string; messages: MessageV2.WithParts[] }) {
    const files = new Set(
      input.messages
        .flatMap((x) => x.parts)
        .filter((x) => x.type === "patch")
        .flatMap((x) => x.files)
        .map((x) => path.relative(Instance.worktree, x)),
    )
    const diffs = await computeDiff({ messages: input.messages }).then((x) =>
      x.filter((x) => {
        return files.has(x.file)
      }),
    )
    await Session.update(input.sessionID, (draft) => {
      draft.summary = {
        additions: diffs.reduce((sum, x) => sum + x.additions, 0),
        deletions: diffs.reduce((sum, x) => sum + x.deletions, 0),
        files: diffs.length,
      }
    })
    await Storage.write(["session_diff", input.sessionID], diffs)
    Bus.publish(Session.Event.Diff, {
      sessionID: input.sessionID,
      diff: diffs,
    })
  }

  async function summarizeMessage(input: { messageID: string; messages: MessageV2.WithParts[] }) {
    const cfg = await Config.get()