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Codeman/test
Codeman maintainer 250a77d945 fix(story-mode): the reader cannot stall the server, and reads only real transcripts
From review round 7 (security):

- Eviction past the per-transcript caps dropped entries one shift() at
  a time after the whole tail was parsed: quadratic and never yielding
  (a 2 s event-loop stall on a 70 MB long turn, 51 s from 300k entries).
  It is one splice, done at every 1 MB yield, so the peak stays near the
  caps; and a window that saw a turn start which was then trimmed away no
  longer widens to a bigger tail that would be trimmed the same.
- A FIFO or a device in place of a transcript or a helper's .meta.json
  (stat said size 0, then open() waited for a writer) pinned a libuv
  worker per request; four of them hang every fs, dns and crypto call on
  the server. Files are now opened non-blocking, checked with the
  handle's own stat (a regular file only) and read through that handle.
- The cache held 6 transcripts for everyone, so a seventh open view made
  every poll a full re-read, and a 304 was decided only after reading. An
  unchanged file is now a 304 from a stat alone, and the cache holds up
  to 24 transcripts within 30 million characters.
- Story Mode is the first route to send a transcript's content to the
  browser, so the hook-reported path is used only when it really lies
  (symlinks resolved) in a Claude projects folder: the session's
  relocated CLAUDE_CONFIG_DIR (now also used for the lookup by id) or the
  server's. Anything else falls back to the lookup by conversation id.

Tests move their transcripts into the (temp) projects folder and cover a
path outside it, a symlink out of it, a FIFO transcript, a FIFO meta file
and a 100,000-entry tail.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-18 14:34:28 +02:00
..
2026-06-19 17:58:06 -04:00
2026-06-19 17:58:06 -04:00
2026-08-22 14:13:57 +02:00
2026-07-20 02:36:02 +02:00
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