Windows support for the embedded Claude session (ConPTY) - #7
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Windows support for the embedded Claude session (ConPTY)#7simplaerai-sv wants to merge 3 commits into
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The Claude panel was POSIX-only and died on Windows with "File not found" before the CLI even started. Three win32 branches, POSIX path untouched: - which(): resolve via where.exe, preferring .exe/.cmd/.bat — npm puts an extensionless sh shim first, which Windows cannot exec - spawn: no bash watchdog wrapper; .cmd/.bat shims route through cmd.exe /c under ConPTY. Closing the pty tears down the attached console tree, so a hard Electron death still takes claude with it - closeSession(): pty.kill() instead of process.kill(-pid, SIGHUP) — negative-pid group signals throw on Windows Tested on Windows 11 (26200), Node 24, claude CLI 2.1.233: panel opens, all six kadr_* MCP tools reachable from the embedded session. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
npm install refreshed the stale 0.1.0 version stamp left behind by earlier releases; no dependency changes. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
simplaerai-sv
marked this pull request as draft
August 16, 2026 13:52
Kadr launched from a Claude Code session (agent workflows, `claude` in a terminal) passes its whole environment to the embedded CLI, including CLAUDECODE and CLAUDE_CODE_* markers. The embedded session then treats itself as a nested child: transcript saving is disabled and /resume shows no history, so a closed panel is unrecoverable. Strip those keys before spawning; claude-env.json is applied afterwards and can still set them deliberately. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Problem
On Windows the Claude panel dies immediately with
не удалось запустить claude: Error: File not found— the sessionspawn path is POSIX-only (
/bin/bashwatchdog wrapper,/bin/shcommand -v, negative-pid group signals).Changes (electron/claude.ts, win32 branches only — POSIX path untouched)
which(): resolve viawhere.exe, preferring.exe/.cmd/.bat(npm puts an extensionless sh shim first, which Windows cannot exec)
.cmd/.batshims route throughcmd.exe /cunder ConPTY. Closing the pty tears down the attachedconsole tree, so a hard Electron death still takes claude with it
closeSession():pty.kill()instead ofprocess.kill(-pid, SIGHUP)—negative-pid group signals throw on Windows
Plus a trivial second commit syncing the stale
0.1.0version stampin package-lock.json to 0.3.0 (no dependency changes).
Tested
Windows 11 (build 26200), Node 24, claude CLI 2.1.233:
no orphan processes observed after app exit
No file overlap with open PRs #3 (macOS) and #5 (NixOS).
🤖 Generated with Claude Code