feat(PdfReader): print pdf function support stream

[ArgoZhang]

Link issues

fixes #7360

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

Enhance the PdfReader sample to document and demonstrate new stream-based printing capabilities and related configuration options.

New Features:

• Document the ability to set PDF content via streams and configure the download file name in the PdfReader sample.

Enhancements:

• Update the PdfReader demo page with Font Awesome stylesheet usage and descriptive guidance for new configuration options.
• Add localized strings for the updated PdfReader demo content in both English and Chinese locales.
• Adjust the server project configuration to support the updated PdfReader demo and assets.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds documentation and localization-supported UI hints to the PdfReader sample demonstrating font-awesome integration and new stream/filename-related PdfReader features, with corresponding locale entries and project updates.

Flow diagram for rendering localized PdfReader sample hints

flowchart TD
  A_UserOp[User opens PdfReaders_sample_page] --> B_Locale[Determine_current_locale]
  B_Locale --> C_LoadStrings[Load_localized_strings_from_en_US_or_zh_CN]
  C_LoadStrings --> D_RenderIntro[Render_PdfReader_normal_intro]
  D_RenderIntro --> E_RenderFA[Render_font_awesome_description_as_MarkupString]
  E_RenderFA --> F_ShowLink[Show_FA_stylesheet_link_snippet]
  F_ShowLink --> G_RenderList[Render_UL_with_stream_and_filename_descriptions]
  G_RenderList --> H_UserReads[User_reads_hints_on_stream_and_download_filename_features]

Loading

File-Level Changes

Change	Details	Files
Enhance the PdfReader demo to document font-awesome dependency and new stream/filename options.	Insert a localized paragraph explaining the PdfReader Font Awesome icon usage. Show a code snippet for including the Font Awesome stylesheet via the BootstrapBlazor assets helper. Add a bullet list describing how to set a PDF stream and configure the download file name, using localized rich-text strings.	src/BootstrapBlazor.Server/Components/Samples/PdfReaders.razor
Wire up localization text and any necessary project metadata for the updated PdfReader sample.	Add/adjust en-US localization strings for the new PdfReader descriptions (FA icon usage, setting PDF stream, download filename). Add/adjust zh-CN localization strings mirroring the new PdfReader descriptions. Update the server project file if needed to reference assets or packages required by the updated sample and Font Awesome usage.	src/BootstrapBlazor.Server/BootstrapBlazor.Server.csproj src/BootstrapBlazor.Server/Locales/en-US.json src/BootstrapBlazor.Server/Locales/zh-CN.json

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#7360	Implement stream support for the PdfReader print PDF function in the codebase (so that PDFs can be printed from a stream, not only from files/URLs).	✅

Possibly linked issues

• feat(PdfReader): print pdf function support stream #7360: The PR adds PdfReader print PDF stream support and demo text, directly implementing the requested feature.

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[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

Prompt for AI Agents

Please address the comments from this code review:

## Individual Comments

### Comment 1
<location> `src/BootstrapBlazor.Server/Components/Samples/PdfReaders.razor:10-14` </location>
<code_context>
 <PackageTips Name="BootstrapBlazor.PdfReader" />

 <DemoBlock Title="@Localizer["PdfReaderNormalText"]" Introduction="@Localizer["PdfReaderNormalIntro"]" Name="Normal">
+    <p>@((MarkupString)Localizer["PdfReaderFAIconDesc"].Value)</p>
+    <Pre>&lt;link rel="stylesheet" href="@@Assets["_content/BootstrapBlazor.FontAwesome/css/font-awesome.min.css"]" /&gt;</Pre>
+    <ul class="ul-demo">
+        <li>@((MarkupString)Localizer["PdfReaderSetPdfStreamDesc"].Value)</li>
+        <li>@((MarkupString)Localizer["PdfReaderDownloadFileNameDesc"].Value)</li>
+    </ul>
     <section ignore class="row form-inline g-3" style="--bb-input-group-label-width: 176px;">
</code_context>

<issue_to_address>
**🚨 issue (security):** Casting localized strings to MarkupString can introduce XSS risk if the content is not fully trusted or strictly controlled.

These casts mean any HTML in the resource strings will be rendered directly. If the resources can ever be influenced by user input or external systems, this becomes an XSS vector. If they’re guaranteed to be static, controlled strings shipped with the app, it’s safer to explicitly whitelist which keys may contain HTML or wrap this in a helper (e.g., `Localizer.AsHtml("key")`) so HTML rendering is centralized and harder to misuse elsewhere.
</issue_to_address>

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The merge-base changed after approval.

[Copilot]

Pull request overview

This PR adds stream support for the print PDF function in the PdfReader component, fixing issue #7360. The changes primarily focus on documentation and localization updates to inform users about new streaming capabilities.

• Adds localization strings documenting FontAwesome dependency, streaming methods (SetPdfStreamAsync/SetPdfBase64DataAsync), and DownloadFileName parameter
• Updates PdfReaders.razor demo page with enhanced documentation showing how to use the streaming features
• Updates BootstrapBlazor.PdfReader package from version 10.0.18 to 10.0.21

Reviewed changes

Copilot reviewed 1 out of 1 changed files in this pull request and generated no comments.

File	Description
src/BootstrapBlazor.Server/Locales/zh-CN.json	Adds Chinese localization for PdfReader FontAwesome dependency, streaming methods, and download filename configuration
src/BootstrapBlazor.Server/Locales/en-US.json	Adds English localization for PdfReader FontAwesome dependency, streaming methods, and download filename configuration
src/BootstrapBlazor.Server/Components/Samples/PdfReaders.razor	Enhances demo page documentation with FontAwesome reference instructions and feature descriptions for streaming and download functionality
src/BootstrapBlazor.Server/BootstrapBlazor.Server.csproj	Updates BootstrapBlazor.PdfReader package version to 10.0.21 to support new streaming features

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (1d390a8) to head (7bb2ea9).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #7361   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          747       747           
  Lines        32760     32760           
  Branches      4540      4540           
=========================================
  Hits         32760     32760           

Flag	Coverage Δ
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