ROOT FIX (product bug): POST /api/settings never invalidated the session-list
cache, so toggling show_cli_sessions/show_cron_sessions could serve a stale
sidebar for up to the cache TTL when the settings-file mtime stamp collided with
a cached entry. The handler now clears the cache directly on those toggles. This
is also the root cause of the recurring test_gateway_sync CI flake (session
absent from /api/sessions right after the visibility toggle).
DEFENSE-IN-DEPTH: cleanup_test_sessions fixture now resets show_cli_sessions to
default BEFORE each test too, not only in teardown.
FLAKE FIX (test infra): bump 31 node-subprocess correctness-harness timeouts from
10s -> 30s across 23 test files. Node spawn + V8 warmup under parallel CI shard
load can exceed 10s, causing TimeoutExpired flakes (e.g. test_1325 on #4445).
Only real node subprocess.run() sites changed — mock signatures, HTTP urlopen,
and deliberate timeout-behavior tests (test_api_timeout, timeout=0/1/2) untouched.
Batch release v0.50.231 — 3 fixes.
## PRs included
| PR | Author | Fix |
|---|---|---|
| #1186 | @nesquena (Claude Code) | macOS `/etc` symlink bypass in workspace blocked-roots |
| #1187 | @nesquena-hermes | Workspace panel stuck closed after empty-session reload |
| #1190 | @bergeouss | Fenced code content leaking into markdown passes (#1154) |
All three PRs were independently reviewed and approved by @nesquena.
## Test results
**2729 passed, 2 skipped** (2 macOS-only tests correctly skipped on Linux). Browser QA: **21/21**.
## Key fix notes
**#1186:** `_workspace_blocked_roots()` now returns both literal and `Path.resolve()` forms of each blocked root. macOS symlinks (`/etc → /private/etc`) previously let a resolved candidate slip past the literal check. New `_is_blocked_system_path()` helper with `/var/folders` and `/var/tmp` carve-outs for pytest temp dirs.
**#1187:** Regression from #1182 — `syncWorkspacePanelState()` force-closed on any no-session state. Now only closes in `'preview'` mode. Both boot paths restore localStorage panel pref before sync.
**#1190:** Fenced code blocks are now stashed as `\x00P<n>\x00` tokens through ALL markdown passes (list/heading/table regexes), restored at the very end. Previously, diff hunks and markdown headings inside code blocks triggered those regexes, injecting `<ul>/<li>/<h>` tags that broke `</pre>` closure.