Documentation Loader

Documentation Loader Skill

Automatically load and maintain OnoCoro mandatory documentation context for AI Agents and GitHub Copilot sessions.

Purpose

The documentation-loader Skill solves a critical problem in AI-assisted development:

Problem: When Copilot Chat sessions reset, or when new AI agents are spawned, essential project guidelines (AGENTS.md, coding-standards.md, etc.) are lost from context. This causes:

• Inconsistent code quality
• Recovery phase defensive programming patterns forgotten
• PLATEAU SDK integration guidelines lost
• PrefabManager caching strategies not applied

Solution: This Skill:

1. Auto-loads mandatory documentation on session start
2. Provides /readmd command for manual re-loading
3. Maintains session context with a structured summary
4. Caches document state to detect changes

When to Use

Automatic Triggers

✅ Auto-load on:

• New Copilot Chat session
• AI Agent spawn event
• Manual /readmd command invocation

Manual Triggers

✅ Use /readmd when:

• Session context is unclear
• Documentation has been updated
• Starting a new major feature
• Recovery phase code review begins
• PLATEAU SDK integration work starts

Key Features

Setup Instructions

Step 1: Enable Auto-Load Script (One-time)

Run this PowerShell command in the project root to set up auto-load:

# Register the auto-load script
.github/skills/documentation-loader/scripts/load-documentation.ps1 -autoRegister

# Output: "Auto-load registered. Documentation will load on next session."

Step 2: Use /readmd Command in Copilot Chat

In any Copilot Chat session, trigger manual load:

/readmd

Output:

📚 OnoCoro Documentation Context Loaded

Loaded Files:
✅ AGENTS.md (252 lines) - AI Agent guidelines
✅ docs/coding-standards.md (450+ lines) - C# implementation standards
✅ docs/recovery-workflow.md (300+ lines) - Recovery merge rules
✅ .github/instructions/unity-csharp-recovery.instructions.md (375 lines)
✅ .github/instructions/prefab-asset-management.instructions.md (396 lines)
✅ .github/instructions/plateau-sdk-geospatial.instructions.md (556 lines)

Context Summary:
- Recovery Phase: Defensive programming, null checks required
- Coding Standards: No magic numbers, required braces, early return pattern
- PLATEAU SDK: CityGML processing, coordinate transformation
- PrefabManager: Centralized asset management via PrefabManager

Session Status: Ready for development

Document Loading Strategy

Mandatory Documents (Always Load)

Conditional Documents (Load on Context)

Documents NOT Loaded (Human-Facing)

• .github/instructions.md — Development operations guide (human focus)
• .github/copilot/README.md — Setup guide (not needed at runtime)

Usage Examples

Example 1: Auto-Load on Session Start

# Run once to enable auto-load
.github/skills/documentation-loader/scripts/load-documentation.ps1 -autoRegister

# Now, on every new session, documentation loads automatically

Output:

✅ Documentation loader registered
Auto-load enabled. Run .github/skills/documentation-loader/scripts/load-documentation.ps1 on session start

Example 2: Manual Trigger in Copilot Chat

/readmd

In Response:

📚 OnoCoro Documentation Context Loaded

Session initialized with mandatory documentation.

• Recovery Phase guidelines active
• Coding standards: AGENTS.md § Coding Standards
• Asset management: PrefabManager patterns required

Ready for development. Ask questions about specific patterns or file modifications.

Example 3: Conditional Load During Development

I'm starting PLATEAU SDK integration. Can you load the PLATEAU documentation?

[User Input]
/readmd

[System Response]
✅ Loaded:
- AGENTS.md (general rules)
- docs/coding-standards.md (C# standards)
- .github/instructions/plateau-sdk-geospatial.instructions.md (PLATEAU patterns)

You're ready to work on PLATEAU SDK integration. Key points:
- Coordinate transformation: WGS84 ↔ Unity
- Null safety: All GetComponent() calls must check null
- Memory optimization: Progressive loading for large datasets

Implementation Details

Auto-Load Mechanism

File: scripts/load-documentation.ps1

# When called with -autoRegister:
# 1. Reads AGENTS.md to identify mandatory documents
# 2. Creates a session context cache file
# 3. Registers task to run on session initialization

# When called manually:
# 1. Checks if documentation has changed
# 2. Outputs concise markdown summary
# 3. Updates session cache

# Caching Strategy:
# - Track file hash of each document
# - Only re-read if hash changes
# - Store summary in .github/.session-context (gitignored)

Command Integration

In Copilot Chat:

/readmd

Maps to:

"Please run: .github/skills/documentation-loader/scripts/load-documentation.ps1
and output the result as markdown summary"

Session Context File

Location: .github/.session-context (gitignored)

{
  "timestamp": "2026-01-20T10:30:00Z",
  "session_id": "copilot-session-xyz",
  "loaded_documents": {
    "AGENTS.md": {
      "path": "AGENTS.md",
      "hash": "abc123def456",
      "line_count": 252,
      "loaded": true
    },
    "docs/coding-standards.md": {
      "path": "docs/coding-standards.md",
      "hash": "xyz789uvw012",
      "line_count": 450,
      "loaded": true
    }
  },
  "context_status": "ready"
}

Related Documentation

• AGENTS.md - Project AI guidelines
• .github/copilot/README.md - Copilot customization
• docs/coding-standards.md - C# standards
• docs/recovery-workflow.md - Recovery rules

Tips & Troubleshooting

Q: Documentation isn't loading automatically

A:

1. Check if auto-register was run:

   # Re-register
   .github/skills/documentation-loader/scripts/load-documentation.ps1 -autoRegister
   

2. Verify script location:

   Test-Path ".github/skills/documentation-loader/scripts/load-documentation.ps1"
   

Q: Want to disable auto-load temporarily?

A:

# Disable auto-load
.github/skills/documentation-loader/scripts/load-documentation.ps1 -disableAutoLoad

# Output: "Auto-load disabled. Run with -autoRegister to re-enable."

Q: Documentation loaded but context still unclear?

A: Try explicit re-load:

/readmd

This forces a fresh read and cache refresh.

Q: Can I customize which documents load?

A: Yes, edit references/required-documents.json to add/remove documents. See required-documents.md for details.

Checklist

When using this skill:

• Session started (auto-load should trigger or /readmd executed)
• AGENTS.md context confirmed
• Coding standards understood (AGENTS.md § Coding Standards)
• Recovery phase rules active (defensive programming)
• Ready to begin development

Related Skills

• microsoft-docs — For API research
• microsoft-code-reference — For code validation
• make-skill-template — For creating new skills

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