Unexpected Error while using Q to create a context document

### 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 15.3.2 (24D81)

### Expected behaviour

No unexpected errors

### Actual behaviour

Prompt:

```
$ q chat -a
> curl https://cloudscape.design/ and then build a context file for working with cloudscape in react applications. we will place the files in genai/context folder in this dir.
```

After a few minutes.

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

Amazon Q is having trouble responding right now:
0: unhandled error (InternalServerException)
1: service error
2: unhandled error (InternalServerException)
3: Error { code: "InternalServerException", message: "Encountered an unexpected error when processing the request, please try again.", aws_request_id: "cf78c3d1-03c8-4d6b-9844-c96b85e9d7b7" }
```

### Steps to reproduce

_No response_

### Environment

```yaml
[q-details]
version = "1.7.2"
hash = "b6bf5f1675dd7395009e8bc65c1145820671f211"
date = "2025-03-21T01:36:16.66764Z (10d ago)"
variant = "full"

[system-info]
os = "macOS 15.3.2 (24D81)"
chip = "Apple M3 Pro"
total-cores = 12
memory = "36.00 GB"

[environment]
cwd = "/Users/USER"
cli-path = "/Users/USER"
os = "Mac"
shell-path = "/bin/bash"
shell-version = "3.2.57"
terminal = "iTerm 2"
install-method = "unknown"

[env-vars]
QTERM_SESSION_ID = "4c72054f0c0b4dfd8bd173206fd9134e"
Q_SET_PARENT_CHECK = "1"
Q_TERM = "1.7.2"
SHELL = "/bin/bash"
TERM = "xterm-256color"
__CFBundleIdentifier = "com.googlecode.iterm2"
```