Refactor tests to use _All_True model types throughout
Replaced all usages of legacy test model types (e.g., TestOrder, TestOrderItem, SharedTag, etc.) with new, feature-complete _All_True variants across SignalR test infrastructure, data sources, and service handlers. Updated all generic constraints, method signatures, and test data to use the new types. Added SharedTestBaseModels.cs and SharedTestOrderModels.cs to define abstract bases and concrete _All_True models with full serialization attributes. This enables more thorough and realistic serialization/deserialization testing and future extensibility.
.NET 9 core framework providing serialization (Binary, JSON, Toon), entity abstractions, database access, services, and shared utilities. Used as the foundation layer for AyCode applications.
LLM Context
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✅README.md
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Solution-level docs in docs/:
Document
Topic
GLOSSARY.md
Core terminology reference
ARCHITECTURE.md
Solution layers, dependency rules
CONVENTIONS.md
Coding conventions
Project-level docs — each project's docs/ folder documents the code it defines:
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Documents
AyCode.Core/docs/
BINARY/ (README, FORMAT, FEATURES, OPTIONS, …), LOGGING/ (README, ISSUES, TODO)