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dgageot merged 3 commits into from
Sep 4, 2026
Merged

docs: auto-update for merged PRs (2026-09-04) #4160

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ac27201
docs: update for PR #4140 - name PowerShell/cmd.exe substitutes in sh…
aheritier Sep 4, 2026
e5999ed
docs: update for PR #4141 - document shell dialect-error correction h…
aheritier Sep 4, 2026
0dfc9e0
docs: update for PR #4122 - document lean TUI bang commands
aheritier Sep 4, 2026
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2 changes: 2 additions & 0 deletions docs/features/tui/index.md
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Expand Up @@ -63,6 +63,8 @@ The lean TUI supports **steering** and **follow-ups** while the agent is running

The lean TUI supports a focused set of slash commands: `/new`, `/sessions`, `/compact`, `/model`, `/effort`, `/clear`, `/help`, `/exit` (alias: `/quit`), plus any agent-defined commands. Type `/model` (or `/model <provider/model>`) to switch the active model inline — the command opens a fuzzy-searchable list of available models. Type `/sessions` (or `/sessions <session-id>`) to browse and resume past sessions from the current working directory.

Prefix a message with `!` to run it as a shell command directly, without going through the agent — for example `!git status`. The command runs in your default shell and its output is shown inline in the transcript. Bang commands are disabled in read-only sessions.

## Slash Commands

Type `/` during a session to see available commands, or press <kbd>Ctrl</kbd>+<kbd>K</kbd> for the command palette:
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9 changes: 7 additions & 2 deletions docs/tools/shell/index.md
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Expand Up @@ -22,9 +22,14 @@ The shell tool automatically detects and names the resolved shell interpreter (e
For example:

- On Linux with bash: "Executes the given shell command with bash on Linux."
- On Windows with PowerShell: "Executes the given shell command with powershell on Windows. Use Windows PowerShell 5.1 syntax: chain commands with ";" (not "&&"), and avoid POSIX commands/flags like "ls -la"."
- On Windows with PowerShell 5.1: "Executes the given shell command with powershell on Windows. Windows PowerShell dialect. Chain commands with ";" (not "&&"; "&&" is a parse error on 5.1). POSIX utilities are not available — use Select-String (not grep), Select-Object -First N (not head), -Last N (not tail), Measure-Object -Line (not wc -l), Get-Content (not cat), Expand-Archive (not gunzip/tar). "ls -la" fails — use "ls" or "Get-ChildItem"."
- On Windows with cmd.exe: "Executes the given shell command with cmd on Windows. cmd.exe syntax, not POSIX. No POSIX utilities (grep, head, tail, wc, cat), no POSIX flags on built-ins, and variable expansion uses %VAR% (not $VAR)."

This reduces wasted turns where models assume POSIX syntax on Windows or vice versa.
Each description also points the model at `get_environment_info` for edge cases the static hint does not cover. This reduces wasted turns where models assume POSIX syntax on Windows or vice versa.

### Dialect-error correction

If a command still fails with a known shell-dialect error (for example PowerShell's `'&&' is not a valid statement separator`, a `cmd.exe`/`pwsh` "not recognized" error, or a POSIX-style `2>/dev/null` redirection on Windows), the tool prepends a `[shell-hint]` line to the output pointing the model at the corrective syntax before it retries. Hints are gated on the resolved shell so they only fire for genuine dialect mismatches (e.g. a PowerShell `&&` hint never fires for `pwsh`, which supports `&&` natively).

## Configuration

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