Apply several enhancements in bit Boilerplate project template (#11512)

[ysmoradi]

closes #11512

Summary by CodeRabbit

Release Notes

• Performance & Optimization

  • SIMD optimization now enabled in production builds for improved performance

• Bug Fixes

  • Improved connection stability through enhanced event handler management
  • Removed client version validation requirement on connection

• Changes

  • Updated embedding configuration settings for optimized processing

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Walkthrough

Multiple enhancements to the boilerplate template addressing SignalR event handler disposal, removal of duplicate telemetry headers, SIMD optimization for non-development builds, standardization of embedding vector dimensions to 384, elimination of redundant version checks, configuration cleanup, infrastructure updates, telemetry endpoint filtering, and test database initialization refactoring.

Changes

Cohort / File(s)	Summary
SignalR Handler Cleanup src/.../Client/.../Components/AppClientCoordinator.cs	Added hubConnection.Remove() calls before re-registering event handlers to prevent duplicate subscriptions; reordered disposal sequence to clear handlers before base disposal.
Telemetry Header Removal src/.../Client/.../Extensions/IClientCoreServiceCollectionExtensions.cs	Removed creation and removal of telemetry headers (X-App-Version, X-App-Platform) from HubConnection URL configuration.
Client Version Checking Removal src/.../Server/.../SignalR/AppHub.cs	Removed CheckClientAppVersion() method invocation and implementation from OnConnectedAsync, eliminating duplicate version validation now handled in middleware.
Embedding Configuration Alignment src/.../Server/.../Data/Configurations/Product/ProductConfiguration.cs, src/.../Server/.../appsettings.json, src/.../Server/.../appsettings.json	Changed embedding vector dimension from 768 to 384 to match LocalTextEmbeddingGenerationService default; removed EmbeddingOptions configuration from multiple appsettings files.
Embedding Options Binding Removal src/.../Server/.../Program.Services.cs	Removed ConfigureOptions bindings for embedding options across OpenAI, Azure OpenAI, HuggingFace, and local paths.
OpenTelemetry Filtering Enhancements src/.../Server/.../Extensions/WebApplicationBuilderExtensions.cs, src/.../Server/.../Services/AppOpenTelemetryProcessor.cs	Extended ASP.NET Core instrumentation filter to exclude /health and /alive endpoints; made AppOpenTelemetryProcessor public and added filtering for Blazor component event operations.
SIMD and Deployment Optimization src/.../Client/.../Boilerplate.Client.Web.csproj	Enabled SIMD conditionally for non-development environments via WasmEnableSIMD MSBuild property.
Infrastructure and Runtime Updates src/.../Server/.../AppHost/Program.cs, src/.../Server/.../AppHost/appsettings.Development.json	Moved Blazor WebAssembly project addition inside RunMode guard with explicit start; renamed minio parameters to s3 in development configuration.
Test Initialization Refactoring src/.../Tests/TestsInitializer.cs	Replaced migration checking and application with direct EnsureCreatedAsync call for database schema creation.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20–25 minutes

• AppClientCoordinator.cs: Verify disposal order is correct and that clearing subscriptions before base disposal prevents resource leaks.
• WebApplicationBuilderExtensions.cs and AppOpenTelemetryProcessor.cs: Confirm telemetry filtering logic correctly identifies and excludes health/alive and Blazor component events.
• ProductConfiguration.cs: Validate that 384-dimension vectors are appropriate across all embedding providers.
• Program.Services.cs: Ensure removal of ConfigureOptions binding doesn't break embedding initialization for any provider path.

Poem

🐰 A rabbit's cheer for cleanup done,
Handlers disposed when work is spun,
Headers trimmed and vectors shrink,
SIMD speeds up faster than you think!
Health checks filtered, versions checked once,
The boilerplate now makes more sense! ✨

Pre-merge checks and finishing touches

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Linked Issues Check	⚠️ Warning	The pull request addresses most of the objectives from issue #11512, including SignalR disposal improvements [#11512-01], removal of duplicate headers [#11512-02], embedding size adjustment to 384 [#11512-04], client version check removal [#11512-05], EmbeddingOptions removal [#11512-06], MinIO to S3 renaming [#11512-07], explicit WASM project start [#11512-08], OpenTelemetry health endpoint filtering [#11512-09], Blazor event filtering [#11512-10], and test initializer updates [#11512-11]. However, objective #11512-03 regarding SIMD enabling appears to be implemented backwards: the code enables SIMD when NOT in the Development environment (Condition="'$(Environment)' != 'Development'"), whereas the requirement states SIMD should be enabled in the dev environment to avoid native build slowdowns.	The SIMD configuration in Boilerplate.Client.Web.csproj needs to be corrected. The condition should enable SIMD when in the Development environment (e.g., Condition="'$(Environment)' == 'Development'"), not when outside of it, to avoid triggering wasm native builds during development while maintaining broader browser compatibility in other environments through Bit.BlazorES2019.
Docstring Coverage	⚠️ Warning	Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The title "Apply several enhancements in bit Boilerplate project template (#11512)" directly relates to the changeset, which contains multiple improvements across the boilerplate template including SignalR disposal improvements, header management, embedding configurations, OpenTelemetry filtering, and test initialization updates. The title accurately conveys that multiple enhancements are being applied to the template, and the referenced issue number provides clear context for the changes.
Out of Scope Changes Check	✅ Passed	All changes in the pull request align with the scope defined in issue #11512. The modifications to AppClientCoordinator.cs, IClientCoreServiceCollectionExtensions.cs, ProductConfiguration.cs, Program.Services.cs, AppHub.cs, multiple appsettings files, Program.cs in the AppHost, WebApplicationBuilderExtensions.cs, AppOpenTelemetryProcessor.cs, and TestsInitializer.cs all directly correspond to one of the eleven enumerated enhancements in the linked issue. No extraneous changes or features unrelated to the stated objectives appear to have been introduced.

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Actionable comments posted: 2

🧹 Nitpick comments (1)

src/Templates/Boilerplate/Bit.Boilerplate/src/Tests/TestsInitializer.cs (1)

104-104: Consider clarifying the migration transition path.

The change correctly implements the PR objective and simplifies test initialization. However, the comment could be more explicit about the transition path. EnsureCreatedAsync() is incompatible with EF Core migrations—once migrations are added, this line must be changed to Database.MigrateAsync(), otherwise the test database schema won't match the migrated schema used in production.

Consider enhancing the comment:

-            await dbContext.Database.EnsureCreatedAsync(); // It's recommended to start using ef-core migrations.
+            await dbContext.Database.EnsureCreatedAsync(); // It's recommended to start using ef-core migrations. When migrations are added, replace EnsureCreatedAsync with MigrateAsync.

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

Knowledge base: Disabled due to Reviews -> Disable Knowledge Base setting

📥 Commits

Reviewing files that changed from the base of the PR and between e18d8df and 874fee0.

📒 Files selected for processing (13)

• src/Templates/Boilerplate/Bit.Boilerplate/src/Client/Boilerplate.Client.Core/Components/AppClientCoordinator.cs (3 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Client/Boilerplate.Client.Core/Extensions/IClientCoreServiceCollectionExtensions.cs (0 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Client/Boilerplate.Client.Web/Boilerplate.Client.Web.csproj (1 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Api/Data/Configurations/Product/ProductConfiguration.cs (1 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Api/Program.Services.cs (0 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Api/SignalR/AppHub.cs (0 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Api/appsettings.json (0 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.AppHost/Program.cs (1 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.AppHost/appsettings.Development.json (1 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Shared/Extensions/WebApplicationBuilderExtensions.cs (1 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Shared/Services/AppOpenTelemetryProcessor.cs (2 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Web/appsettings.json (0 hunks)
• src/Templates/Boilerplate/Bit.Boilerplate/src/Tests/TestsInitializer.cs (1 hunks)

💤 Files with no reviewable changes (5)

• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Api/appsettings.json
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Api/Program.Services.cs
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Web/appsettings.json
• src/Templates/Boilerplate/Bit.Boilerplate/src/Client/Boilerplate.Client.Core/Extensions/IClientCoreServiceCollectionExtensions.cs
• src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Api/SignalR/AppHub.cs

🧰 Additional context used

🪛 Biome (2.1.2)

src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.AppHost/appsettings.Development.json

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⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: build and test

🔇 Additional comments (7)

src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.AppHost/appsettings.Development.json (1)

20-21: LGTM!

The keys have been correctly renamed from minio-* to s3-* in a consistent manner, aligning with PR objective #7. The configuration values and comment text are properly maintained.

Note: The static analysis errors are false positives; the Biome parser incorrectly flags valid JSON that contains template preprocessor directives.

src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.AppHost/Program.cs (1)

101-103: LGTM! Correctly implements explicit start requirement.

The Blazor WebAssembly project is now properly configured with .WithExplicitStart(), requiring manual start instead of automatic launch. The placement inside the IsRunMode block is appropriate since this project is for testing purposes only. This change aligns with PR objective #8 and maintains consistency with the Windows client project configuration at line 116.

src/Templates/Boilerplate/Bit.Boilerplate/src/Client/Boilerplate.Client.Core/Components/AppClientCoordinator.cs (2)

180-230: Good defensive practice for preventing duplicate SignalR handlers.

The hubConnection.Remove(...) calls before each .On(...) registration ensure any existing handlers are unregistered before adding new ones. This prevents duplicate event handling and potential memory leaks if SubscribeToSignalREventsMessages were ever called multiple times.

---

313-329: Correct disposal order: own resources before base.

The reordering ensures SignalR event handlers are properly disposed before calling the base class disposal. Explicitly resetting signalROnDisposables to an empty list (line 325) and moving await base.DisposeAsync(disposing) to the end (line 328) follows disposal best practices.

src/Templates/Boilerplate/Bit.Boilerplate/src/Client/Boilerplate.Client.Web/Boilerplate.Client.Web.csproj (1)

12-12: Objective #3 wording may be backwards.

The code correctly enables SIMD in non-Development environments (Production gets SIMD for performance; Development disables it for faster builds). However, PR objective #3 states "Enable Wasm SIMD in dev environment to avoid wasm native builds," which is the opposite of the implemented behavior. Confirm the objective description is correct, or update it to reflect that SIMD is enabled in production builds.

(The concern about unset Environment variables is not valid—Environment is always initialized via conditional logic based on Configuration.)

src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Shared/Extensions/WebApplicationBuilderExtensions.cs (1)

135-150: LGTM! Clean refactor for filtering telemetry paths.

The array-based approach with StartsWithSegments correctly filters health check and static asset requests from OpenTelemetry tracing. The use of StringComparison.OrdinalIgnoreCase is appropriate for path matching.

src/Templates/Boilerplate/Bit.Boilerplate/src/Server/Boilerplate.Server.Shared/Services/AppOpenTelemetryProcessor.cs (1)

5-5: LGTM! Public visibility is appropriate.

Making the processor public is correct since it's registered as a generic type parameter in the OpenTelemetry configuration (AddProcessor<AppOpenTelemetryProcessor>()). This visibility allows proper instantiation by the telemetry framework.

[Copilot]

Pull Request Overview

This PR streamlines and optimizes the boilerplate template by removing unnecessary configurations and improving resource management in several areas:

• Removes AI embedding dimension configuration (now inferred from models)
• Simplifies database initialization for tests by using EnsureCreatedAsync
• Removes client app version checking mechanism from SignalR
• Enhances OpenTelemetry filtering and SignalR event handling
• Optimizes Blazor WebAssembly startup and SIMD configuration

Reviewed Changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
TestsInitializer.cs	Simplified database initialization to use EnsureCreatedAsync instead of migration checks
appsettings.json (Server.Web & Server.Api)	Removed hardcoded EmbeddingOptions.Dimensions configuration
AppOpenTelemetryProcessor.cs	Added filtering for Blazor HandleEvent operations
WebApplicationBuilderExtensions.cs	Improved OpenTelemetry request filtering with cleaner logic for health checks and static files
appsettings.Development.json	Updated MinIO parameter names from "minio-" prefix to "s3-" prefix
Program.cs (AppHost)	Moved client WebAssembly project inside run mode check with explicit start
Program.Services.cs	Removed embedding options configuration binding for all AI providers
ProductConfiguration.cs	Updated vector dimensions from 768 to 384 with spelling error in comment
Boilerplate.Client.Web.csproj	Changed SIMD configuration to be enabled by default except in Development
IClientCoreServiceCollectionExtensions.cs	Removed app version headers from SignalR connection
AppHub.cs	Removed CheckClientAppVersion method and its invocation
AppClientCoordinator.cs	Added Remove calls before event subscriptions and reordered base.DisposeAsync