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.agents/skills is the vendor-neutral Agent Skills location that Copilot, Codex, Claude Code, and most other agents discover automatically, while .github/skills is read by Copilot alone. Move the embedded skills there and add project-knowledge, a committed per-topic memory of verified gotchas (codebase, shells, terminal, testing). The directory stays gitignored for apm-managed skills; only the three embedded skills are allowlisted, mirroring the former .github/skills pattern. AGENTS.md now tells agents to read the relevant topic before starting work and to commit new findings alongside the change they relate to. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Entire-Checkpoint: 70fe8f468dbe
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1.6 KiB
Terminal
Windows Terminal and ConPTY
- The "[process exited with code 0] / Ctrl+D to close" text flashing at shell exit is Windows
Terminal's own teardown message (
ConptyConnection::_indicateExitWithStatus) - visibility is a render/close race, never omp output. - Panes launched via
wt.exe <commandline>never auto-close undercloseOnExit=automatic; profile-launched tabs do. - On Windows 11 build 26300 a headless conhost reports cursor 0,0 / blank buffer and drops pty pipe input - visual row placement cannot be asserted headlessly, only state-machine behavior.
- pywinpty's ConPTY teardown EOF lags process death by a constant ~5s (harness artifact - it shows up in a plain-pwsh control too).
- SendKeys into Windows Terminal is unreliable while the user works - keystrokes get silently
lost, so a "hung" test may simply never have received its
exit.
Encoding
- Under a stock CP437/ACP1252 console, pwsh's
&call operator mangles UTF-8 program output (U+E0B6 becomes U+03B5). Reading a native program's UTF-8 output reliably requires[Console]::OutputEncoding = UTF8or the Process API. - PowerShell
| Set-Content -NoNewlinejoins piped lines into ONE line and corrupts scripts - write files with Git Bash redirection when byte fidelity matters.
Process facts
- Windows process creation floor is ~70ms; a timer tick is 15.6ms (quantizes every short sleep).
- On Windows there is no SIGPIPE; child lifecycle management must rely on fd closure / stdin EOF.
- On native Linux, process spawns cost 11-16ms - daemon architectures that pay off on Windows can be a wash there (see the bash serve revert in bash).