[Bug]: devcontainer post-create.sh fails on Kiro CLI 404, blocking uv, DocFx, Kimi and CodeBuddy installs

[jbespi]

Bug Description

The post-create.sh script exits early when Kiro CLI installation fails with a 404 error, everything after Kiro is never installed: uv, DocFx, Kimi CLI, and CodeBuddy.

Steps to Reproduce

1. Clone spec-kit
2. Open in VS Code → "Dev Containers: Open Folder in Container..."
3. Wait for container build to complete

Expected Behavior

All tools defined in post-create.sh are installed, even if Kiro CLI installation fails.

Actual Behavior

The script stops at Kiro CLI and never installs uv, DocFx, Kimi CLI, and CodeBuddy.

Specify CLI Version

uv not installed ...

AI Agent

Not applicable

Operating System

macos 26.5

Python Version

uv was never installed due to this bug

Error Logs

🤖 Installing Kiro CLI...
[ERROR] Command failed (Exit Code 22): curl -fsSL "https://kiro.dev/install.sh" -o "/tmp/tmp.IxPtRpp6RF"
curl: (22) The requested URL returned error: 404
[468580 ms] postCreateCommand from devcontainer.json failed with exit code 22. Skipping any further user-provided commands.

Additional Context

Confirmed the issue is not network-related:

vscode ➜ /workspaces/spec-kit (main) $ curl -fsSL "https://kiro.dev/install.sh" -o /tmp/test-kiro.sh; echo "Exit code: $?"
curl: (22) The requested URL returned error: 404
Exit code: 22
vscode ➜ /workspaces/spec-kit (main) $ curl -fsSL "https://google.com" -o /dev/null && echo "OK"
OK