chore: install openagent opencode

Signed-off-by: Dmytro Stanchiev <git@dmytros.dev>

.opencode/context/core/standards/navigation.md

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+<!-- Context: core/navigation | Priority: critical | Version: 1.0 | Updated: 2026-02-15 -->
+
+# Core Standards Navigation
+
+**Purpose**: Universal standards for all development work
+
+---
+
+## Files
+
+| File | Topic | Priority | Load When |
+|------|-------|----------|-----------|
+| `code-quality.md` | Code quality rules | ⭐⭐⭐⭐⭐ | Writing/reviewing code |
+| `test-coverage.md` | Testing standards | ⭐⭐⭐⭐⭐ | Writing tests |
+| `documentation.md` | Documentation rules | ⭐⭐⭐⭐ | Writing docs |
+| `security-patterns.md` | Security best practices | ⭐⭐⭐⭐ | Security review, patterns |
+| `project-intelligence.md` | What and why | ⭐⭐⭐⭐ | Onboarding, understanding projects |
+| `project-intelligence-management.md` | How to manage | ⭐⭐⭐ | Managing intelligence files |
+| `code-analysis.md` | Analysis approaches | ⭐⭐⭐ | Analyzing code, debugging |
+| `typescript.md` | Universal TypeScript patterns | ⭐⭐⭐⭐ | Writing/reviewing TypeScript code |
+| `csharp.md` | Universal C# / .NET patterns | ⭐⭐⭐⭐ | Writing/reviewing C# code |
+| `csharp-project-structure.md` | ASP.NET Core project structure (Minimal APIs, CQRS, EF Core + PostgreSQL) | ⭐⭐⭐⭐ | Starting or structuring a C# API project |
+
+---
+
+## Loading Strategy
+
+**For code implementation**:
+1. Load `code-quality.md` (critical)
+2. Load `security-patterns.md` (high)
+
+**For TypeScript code**:
+1. Load `typescript.md` (critical)
+2. Load `code-quality.md` (high)
+
+**For C# / .NET code**:
+1. Load `csharp.md` (critical)
+2. Load `code-quality.md` (high)
+
+**For C# API project structure**:
+1. Load `csharp-project-structure.md` (critical)
+2. Load `csharp.md` (high)
+
+**For testing**:
+1. Load `test-coverage.md` (critical)
+2. Depends on: `code-quality.md`
+
+**For documentation**:
+1. Load `documentation.md` (critical)
+
+**For code review**:
+1. Load `code-quality.md` (critical)
+2. Load `security-patterns.md` (high)
+3. Load `test-coverage.md` (high)
+
+**For project onboarding/understanding**:
+1. Load `project-intelligence.md` (high)
+2. Then load: `../../project-intelligence/` folder for full project context
+
+---
+
+## Related
+
+- **Workflows** → `../workflows/navigation.md`
+- **Development Principles** → `../../development/principles/`
+- **Project Intelligence** → `../../project-intelligence/navigation.md` (full project context)