Add ShowTemperatureUnit setting to hide F/C from weather display

[nopoz]

• Add ShowTemperatureUnit boolean property (default: true) across backend and frontend
• When false, displays only degree symbol (e.g., "72°") without F/C indicator
• Handle undefined weather.unit with fallback to "°"
• Update test data files (TestV2.json, TestV2.yml) for new setting

Summary by CodeRabbit

• New Features
  • Added a new configuration setting to control display of temperature units (enabled by default).
  • Clock/weather display now respects the temperature-unit setting.
  • Client and server configuration samples and environment vars updated to include the new setting.

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[coderabbitai]

📝 Walkthrough

Walkthrough

This change introduces a new configuration setting to control whether temperature units are displayed. The feature is implemented across the server configuration interface, model layers, data mappings, test resources, and the client-side UI component with conditional rendering logic.

Changes

Cohort / File(s)	Summary
Interface & Core Definitions ImmichFrame.Core/Interfaces/IServerSettings.cs	Added ShowTemperatureUnit getter-only boolean property to IGeneralSettings interface.
Server-Side Models & Settings ImmichFrame.WebApi/Models/ServerSettings.cs, ImmichFrame.WebApi/Models/ClientSettingsDto.cs, ImmichFrame.WebApi/Helpers/Config/ServerSettingsV1.cs	Added ShowTemperatureUnit property to GeneralSettings (default true), added corresponding property to ClientSettingsDto and mapped it in FromGeneralSettings, and added adapter property in GeneralSettingsV1Adapter returning true.
Test Data Resources ImmichFrame.WebApi.Tests/Resources/TestV2.json, ImmichFrame.WebApi.Tests/Resources/TestV2.yml	Added ShowTemperatureUnit: true under the General section in both test config files.
Client-Side Components & Types immichFrame.Web/src/lib/components/elements/clock.svelte, immichFrame.Web/src/lib/immichFrameApi.ts	Added optional showTemperatureUnit field to client settings type. Modified clock.svelte to conditionally render the temperature unit: show '°' when disabled, otherwise show weather.unit (defaulting to '°' if undefined).
Docker / Example Configs docker/Settings.example.json, docker/Settings.example.yml, docker/example.env	Added ShowTemperatureUnit: true to example configuration files and ShowTemperatureUnit=true to example.env.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

🐰 I nudged a setting, small and bright,
Show or hide the degree in sight,
From server fields to clock's soft tune,
A tiny flag beneath the moon—
Hop, tweak, and watch the units light!

🚥 Pre-merge checks | ✅ 2 | ❌ 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 (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: adding a ShowTemperatureUnit setting that controls whether F/C units are displayed in the weather component.

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✨ Finishing touches

• 📝 Generate docstrings

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📜 Recent review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between d0ac525 and 46f2695.

📒 Files selected for processing (3)

• docker/Settings.example.json
• docker/Settings.example.yml
• docker/example.env

✅ Files skipped from review due to trivial changes (1)

• docker/example.env

🔇 Additional comments (2)

docker/Settings.example.json (1)

37-38: LGTM!

The new ShowTemperatureUnit setting is correctly added with proper JSON syntax (trailing comma on the previous property) and the default value of true aligns with the backend implementation.

docker/Settings.example.yml (1)

36-36: LGTM!

The new ShowTemperatureUnit setting is correctly added with proper YAML indentation and a default value consistent with the JSON example and backend implementation.

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[3rob3]

I'm good with this too.

[JW-CH]

I'm good with this too.

Sorry, I lack behind with review. Will probably find time this weekend.

[3rob3]

Can you update the Settings.example.json, Settings.example.yml, and example.env with this new setting please?

[3rob3]

thanks!

[JW-CH]

why is this default true in the v1 settings?