doc(CacheList): add GC button

[ArgoZhang]

Link issues

fixes #7921

Summary By Copilot

Regression?

• Yes
• No

Risk

• High
• Medium
• Low

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

New Features:

• Expose a GC action on the cache list page via a toolbar button that is only available in development environments.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds a development-only 'GC' button to the CacheList page that triggers a manual garbage collection, wiring it through the component code-behind and environment injection.

Sequence diagram for the new GC button interaction on CacheList

sequenceDiagram
    actor Developer
    participant Browser
    participant CacheList
    participant DotNetGC

    Developer->>Browser: Click GC button
    Browser->>CacheList: Trigger OnClickGC
    CacheList->>DotNetGC: GC.Collect()

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Updated class diagram for CacheList component with GC button support

classDiagram
    class CacheList {
        - List~object?~ _cacheList
        + IStringLocalizer~CacheList~ Localizer
        + IWebHostEnvironment WebHost
        + void OnDeleteAll()
        + void OnClickGC()
        + void OnRefresh()
        + void UpdateCacheList()
    }

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File-Level Changes

Change	Details	Files
Add a development-only toolbar button on the CacheList page to manually trigger garbage collection.	Inject IWebHostEnvironment into the CacheList component to access environment information. Add a static OnClickGC handler that calls GC.Collect(). Render a new 'GC' danger-styled button in the table toolbar that is only shown when the hosting environment is Development, and wire it to the OnClickGC handler. Normalize BOM/license comment at the top of the C# and Razor files.	src/BootstrapBlazor.Server/Components/Pages/CacheList.razor.cs src/BootstrapBlazor.Server/Components/Pages/CacheList.razor

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#7921	Add a GC button to the CacheList component/page that triggers garbage collection (e.g., via GC.Collect), exposed in the UI.	✅

Possibly linked issues

• doc(CacheList): add GC button #7921: The PR implements the CacheList GC button described in the issue, adding a dev-only GC toolbar button.

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[sourcery-ai]

Hey - I've left some high level feedback:

• Consider null-guarding WebHost in the Razor condition (e.g., WebHost?.IsDevelopment() == true) to avoid potential null reference issues despite the [NotNull] annotation, especially during design-time or if the component is instantiated outside normal DI paths.
• Since the GC button is only for development, you might still want to add a brief confirmation (e.g., via a dialog or OnClick handler logic) before calling GC.Collect() to avoid accidental triggering during debugging sessions.
• To keep UI text consistent and easier to adjust later, consider using a localized string for the GC button text instead of a hard-coded literal, even though it’s currently dev-only.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- Consider null-guarding `WebHost` in the Razor condition (e.g., `WebHost?.IsDevelopment() == true`) to avoid potential null reference issues despite the `[NotNull]` annotation, especially during design-time or if the component is instantiated outside normal DI paths.
- Since the GC button is only for development, you might still want to add a brief confirmation (e.g., via a dialog or `OnClick` handler logic) before calling `GC.Collect()` to avoid accidental triggering during debugging sessions.
- To keep UI text consistent and easier to adjust later, consider using a localized string for the `GC` button text instead of a hard-coded literal, even though it’s currently dev-only.

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[Copilot]

Pull request overview

Adds a developer-only “GC” action to the CacheList documentation page to allow manually triggering garbage collection while inspecting cache behavior.

Changes:

• Inject IWebHostEnvironment into CacheList to detect Development environment.
• Add a conditional “GC” toolbar button (Development-only) and an OnClickGC handler that calls GC.Collect().

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
src/BootstrapBlazor.Server/Components/Pages/CacheList.razor.cs	Adds environment injection and a new GC click handler.
src/BootstrapBlazor.Server/Components/Pages/CacheList.razor	Shows a GC toolbar button only when running in Development.

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