TERMINAL SUPPORT

### Checks

- [x] I have searched [github.com/aws/amazon-q-developer-cli/issues](https://github.com/aws/amazon-q-developer-cli/issues?q=) and there are no duplicates of my issue
- [x] I have run `q doctor` in the affected terminal session
- [x] I have run `q restart` and replicated the issue again

### Operating system

macOS 26.5.2 (25F84)

### Expected behaviour

autocomplete to pop up while typing terminal commands

### Actual behaviour

autocomplete is a no show

### Steps to reproduce

Download Otty terminal for Mac OS

### Environment

```yaml

[q-details]
version = "2.15.1"
hash = "b34b8b58175fcdec62540f955749cd73f8d9e5e9"
date = "2026-07-28T01:46:56.010104Z (1d ago)"
variant = "full"

[system-info]
os = "macOS 26.5.2 (25F84)"
chip = "Apple M4 Pro"
total-cores = 14
memory = "24.00 GB"

[environment]
cwd = "/Users/USER"
cli-path = "/Users/USER"
os = "Mac"
shell-path = "/bin/zsh"
shell-version = "5.9"
install-method = "unknown"

[env-vars]
PATH = "/Users/mac/.vite-plus/js_runtime/node/24.18.0/bin:/Users/USER/.grok/bin:/Users/mac/.local/bin:/Users/mac/.railway/bin:/Users/USER/.vite-plus/bin:/Users/mac/.local/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/pkg/env/global/bin:/Library/Apple/usr/bin:. . .:/Users/USER/.local/bin:/Users/mac/Library/Application Support/JetBrains/Toolbox/scripts:/Users/mac/.orbstack/bin:/Users/USER/Library/Android/sdk/emulator:/Users/USER/Library/Android/sdk/platform-tools:/Users/mac/.local/bin"
QTERM_SESSION_ID = "4b0fd9ef39f547c0bd869ef160d81b4a"
Q_SET_PARENT_CHECK = "1"
Q_TERM = "2.15.1"
SHELL = "/bin/zsh"
TERM = "xterm-256color"
__CFBundleIdentifier = "io.appmakes.otty"
```

Start by reproducing the missing autocomplete in Otty on macOS with the reported zsh environment, running q doctor and q restart as described. Trace the terminal integration entry point and compare behavior with a supported terminal; done means autocomplete appears while typing commands in Otty.

Written by the indexing model from the issue text.