chore: install openagent opencode

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

.opencode/context/project-intelligence/navigation.md

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+<!-- Context: project-intelligence/nav | Priority: high | Version: 1.0 | Updated: 2025-01-12 -->
+
+# Project Intelligence
+
+> Start here for quick project understanding. These files bridge business and technical domains.
+
+## Structure
+
+```
+.opencode/context/project-intelligence/
+├── navigation.md              # This file - quick overview
+├── business-domain.md         # Business context and problem statement
+├── technical-domain.md        # Stack, architecture, technical decisions
+├── business-tech-bridge.md    # How business needs map to solutions
+├── decisions-log.md           # Major decisions with rationale
+└── living-notes.md            # Active issues, debt, open questions
+```
+
+## Quick Routes
+
+| What You Need | File | Description |
+|---------------|------|-------------|
+| Understand the "why" | `business-domain.md` | Problem, users, value proposition |
+| Understand the "how" | `technical-domain.md` | Stack, architecture, integrations |
+| See the connection | `business-tech-bridge.md` | Business → technical mapping |
+| Know the context | `decisions-log.md` | Why decisions were made |
+| Current state | `living-notes.md` | Active issues and open questions |
+| All of the above | Read all files in order | Full project intelligence |
+
+## Usage
+
+**New Team Member / Agent**:
+1. Start with `navigation.md` (this file)
+2. Read all files in order for complete understanding
+3. Follow onboarding checklist in each file
+
+**Quick Reference**:
+- Business focus → `business-domain.md`
+- Technical focus → `technical-domain.md`
+- Decision context → `decisions-log.md`
+
+## Integration
+
+This folder is referenced from:
+- `.opencode/context/core/standards/project-intelligence.md` (standards and patterns)
+- `.opencode/context/core/system/context-guide.md` (context loading)
+
+See `.opencode/context/core/context-system.md` for the broader context architecture.
+
+## Maintenance
+
+Keep this folder current:
+- Update when business direction changes
+- Document decisions as they're made
+- Review `living-notes.md` regularly
+- Archive resolved items from decisions-log.md
+
+**Management Guide**: See `.opencode/context/core/standards/project-intelligence-management.md` for complete lifecycle management including:
+- How to update, add, and remove files
+- How to create new subfolders
+- Version tracking and frontmatter standards
+- Quality checklists and anti-patterns
+- Governance and ownership
+
+See `.opencode/context/core/standards/project-intelligence.md` for the standard itself.