Enhancement: Add status_reason field to Command message

[Rucha0901]

What this PR does:
Adds a status_reason field to the Command protobuf message and regenerates the go code.

Why we need it:
To record the exact reason why a command failed, resolving a TODO in pkg/model/command.proto.

Which issue(s) this PR fixes:

Fixes #7376

Does this PR introduce a user-facing change?:

• How are users affected by this change: Better debugging information when commands fail.
• Is this breaking change: No.
• How to migrate (if breaking change): N/A

Screenshots/Videos (for documentation or website changes):
N/A

[netlify]

✅ Deploy Preview for pipecd-site canceled.

Name	Link
🔨 Latest commit	6d60ccf
🔍 Latest deploy log	https://app.netlify.com/projects/pipecd-site/deploys/6aa553508b63af0008634341

[github-actions]

👋 Hi @Rucha0901, welcome to PipeCD and thanks for opening your first pull request!

We’re really happy to have you here

Before your PR gets merged, please check a few important things below.

---

Helpful resources

• Contributing guide: https://github.com/pipe-cd/pipecd/blob/master/CONTRIBUTING.md
• Development setup: https://github.com/pipe-cd/pipecd/blob/master/CONTRIBUTING.md#development

---

DCO Sign-off

All commits must include a Signed-off-by line to comply with the Developer Certificate of Origin (DCO).

In case you forget to sign-off your commit(s), follow these steps:

For the last commit:

git commit --amend --signoff
git push --force-with-lease

For multiple commits:

git rebase --signoff origin/master
git push --force-with-lease

---

Run checks locally

Before pushing updates, please run:

make check

This runs the same checks as CI and helps catch issues early.

---

💬 Need help?

If anything is unclear, feel free to ask in this PR or join us on the CNCF Slack in the #pipecd channel.
You can get your Slack invite from: https://communityinviter.com/apps/cloud-native/cncf

Thanks for contributing to PipeCD! ❤️

[Copilot]

🟡 Changes recommended

Failure reasons are not wired through reporting and command-store updates.

Get a fresh assessment by requesting another Copilot review.

Pull request overview

Adds status_reason to the Command protobuf and regenerates Go and web bindings. The field is not yet propagated through reporting and storage, so failed-command reasons remain empty.

Changes:

• Adds field 23 to Command.
• Regenerates Go protobuf and validation code.
• Regenerates JavaScript and TypeScript bindings.

File summaries

File	Summary
web/model/command_pb.js	Regenerated JavaScript bindings.
web/model/command_pb.d.ts	Regenerated TypeScript definitions.
pkg/model/command.proto	Adds status_reason.
pkg/model/command.pb.validate.go	Regenerated validation code.
pkg/model/command.pb.go	Regenerated Go protobuf bindings.

Review details

Files not reviewed (2)

• pkg/model/command.pb.go: Generated file
• pkg/model/command.pb.validate.go: Generated file

• Files reviewed: 2/5 changed files
• Comments generated: 1
• Review effort level: Lite

---

💡 Add a code-review agent skill or configure MCP servers for context-aware, tailored reviews. Learn more in the docs.