Q chat crash - The context window has overflowed, summarizing the history...:

### 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 15.5.0 (24F74)

### Expected behaviour

no issue.

### Actual behaviour

The context window has overflowed, summarizing the history...:
0: the context window has overflowed

Location:
crates/chat-cli/src/cli/chat/mod.rs:709

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.

### Steps to reproduce

just continuously use q chat.

### Environment

```yaml

[q-details]
version = "1.12.2"
date = "2025-06-30T22:40:01.105251Z (2d ago)"
variant = "full"

[system-info]
os = "macOS 15.5.0 (24F74)"
chip = "Apple M1 Pro"
total-cores = 10
memory = "16.00 GB"
os = "Mac"
shell-path = "/bin/zsh"
shell-version = "5.9"
terminal = "macOS"
install-method = "brew"
Q_SET_PARENT_CHECK = "1"
Q_TERM = "1.12.2"
SHELL = "/bin/zsh"
TERM = "xterm-256color"
__CFBundleIdentifier = "com.apple.Terminal"
```