Amazon Q is having trouble responding in q chat

### 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 15.4.0 (24E248)

### Expected behaviour

I gave a prompt and I was expecting an answer I got an error, usually Amazon Q works fine for me

### Actual behaviour

I entered a prompt in q chat and I got this:
Amazon Q is having trouble responding right now:
0: unhandled error (ThrottlingException)
1: service error
2: unhandled error (ThrottlingException)
3: Error { code: "ThrottlingException", message: "Maximum com.amazon.aws.codewhisperer.streaming.GenerateAssistantResponse reached for this month.", aws_request_id: "bdcde5ff-60c6-4aef-9255-5c774bb827c4" }

Location:
crates/q_cli/src/cli/chat/mod.rs:668

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

### Steps to reproduce

_No response_

### Environment

```yaml

[q-details]
version = "1.7.3"
hash = "3e4ae79d371315e80ddac772b43fff2cba314104"
date = "2025-04-10T05:48:16.435186Z (4d ago)"
variant = "full"

[system-info]
os = "macOS 15.4.0 (24E248)"
chip = "Apple M1 Pro"
total-cores = 8
memory = "16.00 GB"

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

[env-vars]
PATH = "/Users/USER/Development/flutter/bin:/Users/USER/.nix-profile/bin:/nix/var/nix/profiles/default/bin:/opt/local/bin:/opt/local/sbin:/opt/homebrew/bin:/opt/homebrew/sbin:/Library/Frameworks/Python.framework/Versions/3.12/bin:/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:/Library/Apple/usr/bin:/Library/Frameworks/Mono.framework/Versions/Current/Commands:/Users/USER/.local/bin"
QTERM_SESSION_ID = "4d61e3ce5f154ac1a4e00df0d87bf42c"
Q_SET_PARENT_CHECK = "1"
Q_TERM = "1.7.3"
SHELL = "/bin/zsh"
TERM = "xterm-256color"
__CFBundleIdentifier = "com.apple.Terminal"
```