Add --search-domains flag to dns options command

[joshuaboniface]

Expose the supervisor's search_domains DNS option (home-assistant/supervisor#6893) via the CLI, mirroring the existing --servers flag. Accepts multiple values via repeated use of the flag.

ha dns options --search-domains example.com --search-domains corp.example.com

Peer of home-assistant/supervisor#6893 and requires that PR first.

Summary by CodeRabbit

• New Features
  • The ha dns options command now supports the --search-domains flag to configure DNS search domains.
  • Command examples and help text have been updated to show usage of the new flag.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 53ac4fba-cd57-4614-b844-bf6efec7cd02

📥 Commits

Reviewing files that changed from the base of the PR and between 7614e62 and 765abfe.

📒 Files selected for processing (1)

• cmd/dns_options.go

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📝 Walkthrough

Walkthrough

Adds a --search-domains StringArray flag to ha dns options; updates the command example, reads and debug-logs the flag in Run(), conditionally includes its values as search_domains in the backend request, and registers the flag in init() with file completions disabled.

Changes

Search domains flag addition

Layer / File(s)	Summary
Search domains flag definition and integration cmd/dns_options.go	The --search-domains flag is documented in the command example, defined as a StringArray flag in init() with no-file completions registered, and integrated into Run() to read flag values and conditionally populate the backend request payload under search_domains when the flag was explicitly changed.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: adding a new --search-domains flag to the dns options command, which aligns with the changeset.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@cmd/dns_options.go`:
- Around line 39-44: The code is calling log.WithField(...).Debug(...) but only
imports log/slog so replace the non-existent log usage with slog structured
logging: after obtaining searchDomains (from cmd.Flags().GetStringArray) remove
log.WithField and instead call slog.Debug or slog.Info with attributes (e.g.,
slog.Debug("search-domains", slog.Any("search-domains", searchDomains))) and
keep the conditional that sets options["search_domains"]; ensure you use
slog.Any or slog.Strings for the attribute and do not introduce a new "log"
identifier.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: f4946470-d1ab-46ee-aa07-13b1c8c7169a

📥 Commits

Reviewing files that changed from the base of the PR and between cc1b43c and 7614e62.

📒 Files selected for processing (1)

• cmd/dns_options.go