Antigravity 37bec89484 feat: implement central package management and stabilize mobile build (#50)
This pull request implements **Central Package Management (CPM)** across the NexusReader solution to centralize package version definitions, improve package maintainability, and ensure security patch consistency. It also resolves compile issues in the mobile infrastructure and client projects.

### Key Changes

#### 1. NuGet Central Package Management (CPM)
- Created `Directory.Packages.props` in the solution root containing all solution-wide dependency versions (consolidating 48 packages).
- Pinned and secured `Microsoft.Bcl.Memory` to `v9.0.14` to resolve a known high-severity vulnerability (CVE-2026-26127).
- Stripped explicit `Version` attributes from `.csproj` files for the core library, web client, web host, UI shared, data access, and testing projects to inherit central version definitions.

#### 2. Mobile / MAUI Projects Stabilization
- **Workload Support & Locally Disabled CPM**: Disabled Central Package Management locally (`<ManagePackageVersionsCentrally>false</ManagePackageVersionsCentrally>`) in both `NexusReader.Infrastructure.Mobile.csproj` and `NexusReader.Maui.csproj` to preserve native MAUI workload package integration while cleanly referencing package versions manually.
- **Ambiguity Resolving**: Added using aliases for `FluentResults.Result` to eliminate compiler ambiguity conflicts between `Android.App.Result` and `FluentResults.Result` inside Android platform service implementations.
- **Missing Namespaces Fix**: Added explicit hosting imports (`using Microsoft.Maui; using Microsoft.Maui.Hosting;`) and ensured `Microsoft.Maui.Essentials` references resolve properly in the mobile context.

---

### Verification
- **Build**: Successfully built the entire solution with zero compilation errors (`dotnet build NexusReader.slnx --no-restore` -> `Liczba błędów: 0`).
- **Tests**: All 7 integration and unit tests run and pass successfully (`dotnet test NexusReader.slnx --no-restore`).

---------

Co-authored-by: Marek Jasiński <jasins.marek@gmail.com>
Reviewed-on: #50
Reviewed-by: Marek Jaisński <jasins.marek@gmail.com>
Co-authored-by: Antigravity <antigravity@google.com>
Co-committed-by: Antigravity <antigravity@google.com>
2026-05-21 17:42:29 +00:00

📖 Nexus Reader

Nexus Reader is a state-of-the-art, cross-platform Blazor .NET 10 immersive e-book reader, powered by Native AOT, Clean Architecture, CQRS, and interactive D3.js Relationship Graphs built on vector-based AI semantics.


Features & Architecture Highlights

📁 Ingestion & Description persistence

  • Extracted and persistent book descriptions from EPUB package metadata during book ingestion.
  • The Description field propagates cleanly from the Ebook entity through Mapster to LastReadBookDto and UserProfileDto.
  • Implemented deep-link route activation: /reader/{bookId}?chapter=N.
  • Allows instant resume of reading session coordinates and loads the specific chapter chapter directly via URL query parameters.

🛡️ Downstream AI Resilience

  • Standard resilience engine in DependencyInjection.cs utilizing the Polly package (ai-retry).
  • Automatically intercepts, handles, and retries on both rate-limits (429 Too Many Requests) and downstream capacity overloads (503 ServiceUnavailable / high demand).

⚙️ Concurrent Request Deduplication

  • Multi-client InteractiveAuto Blazor circuit synchronization is backed by a thread-safe active task registry in KnowledgeService which ensures that identical concurrent requests await a single shared task instance, eliminating redundant LLM queries.

🛠️ Build & Verification Gate

Ensure the dotnet workload matches the active SDK, and compile the full solution utilizing:

dotnet build NexusReader.slnx --no-restore

Run test suite:

dotnet test --no-restore
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