Test/warning info features

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⚠️ Decision Context Alert

This PR modifies 3 file(s) that trigger 3 architectural decision(s).

🔴 Critical Decisions (1)

DECISION-DB-001: Database Connection Pool Configuration

File	src/database/connection\.js
Pattern	src/database/connection\.js
Type	Rule-based
Date	2024-03-15
Source	.decispher/decisions.md

We fixed the connection pool size at **20 connections** after extensive load testing. This decision was made because:

1. **Memory constraints**: Each...

📖 Read full context

We fixed the connection pool size at **20 connections** after extensive load testing. This decision was made because:

1. **Memory constraints**: Each connection uses ~5MB of memory
2. **Database limits**: Our PostgreSQL instance supports max 100 connections
3. **Performance testing**: Higher values caused connection leaks under sustained traffic (5K req/s)

**Alternatives rejected:**
- Dynamic pooling: Added latency spikes during scaling
- MongoDB: Billing requires ACID compliance

[!WARNING]
Do not modify pool size without load testing. Contact @senior-engineer before changes.

**Related:**
- [Load Test Results](https://internal\-docs/load\-tests\)
- [Architecture Decision Record](https://internal\-docs/adr\-001\)

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🟡 Important Decisions (1)

DECISION-API-001: Public API v1 Protection

File	src/api/users\.js
Pattern	src/api/\*\*/\*\.js
Type	Rule-based
Date	2024-02-20
Source	.decispher/decisions.md

The v1 API is used by **50+ external partners**. Any changes to these endpoints require:

1. **Advance notice**: Notify partners 2 weeks before breaki...

📖 Read full context

The v1 API is used by **50+ external partners**. Any changes to these endpoints require:

1. **Advance notice**: Notify partners 2 weeks before breaking changes
2. **Versioning**: Use semantic versioning for the API
3. **Documentation**: Update OpenAPI spec before merging

**Before merging changes to API files:**
- [ ] Update API documentation
- [ ] Notify integration partners if breaking
- [ ] Version bump if needed

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ℹ️ Informational (1)

DECISION-CONFIG-001: Configuration File Format

File	config/test\-feature\.yml
Pattern	config/\*\.yml
Type	Rule-based
Date	2024-02-01
Source	.decispher/decisions.md

We use YAML for all configuration files for consistency. JSON configs were migrated to YAML in Feb 2024.

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🤖 Generated by Decision Guardian. Update decisions in your .decispher/ folder if needed.