Pattern Index

Consolidated from pattern-catalog.md and PATTERN-INDEX.md Format: ADR-style numbered patterns

Total Patterns: 74 patterns (001-074), plus a template (000). Recent additions (2026-05-09 → 2026-05-24); all are now integrated into the category index below (this highlights box is a recent-filing snapshot, not the authoritative list):

CIO carries the catalog-management authority; full index updates per category live below.

How to read this catalog: A code-side citation count alone does not determine whether a pattern is load-bearing. Many foundational patterns (Repository, Service, Factory) are followed implicitly throughout the codebase but rarely cited by name in code. Diagnostic-vocabulary patterns (e.g., Pattern-062 Assembly Assumption) are used in conversation and review work, not in code annotations. See the ADR catalog citation framework for the full status taxonomy (Load-bearing-interface / Load-bearing-decision / Internalized / Archival / Genuinely decorative). Same framework applies here.

Pattern Categories

Core Architecture Patterns

Foundational patterns for system architecture and infrastructure

Data & Query Patterns

Data access, session management, and query abstraction patterns

AI & Intelligence Patterns

AI coordination, spatial intelligence, and language model integration patterns

Integration & Platform Patterns

External system integration, plugin architecture, and platform connectivity patterns

Infrastructure & Scheduling Patterns

Background job execution, periodic tasks, and infrastructure coordination patterns

Development & Process Patterns

Development methodology, quality assurance, and workflow management patterns

Grammar Application Patterns

Patterns for maintaining grammar awareness (Entity/Moment/Place) throughout features

Pattern Development

Creating New Patterns

See pattern-000-template.md for the standard template when creating new patterns.

Pattern Status Levels

Product Relevance Classification

Every pattern should include a Product Relevance classification:

When in doubt, default to “Process-only” — it can be reclassified later.

Pattern Sweep Process

Pattern Sweeps occur every 6 weeks per the staggered audit calendar.

Sweep Checklist (Product Relevance)

In addition to standard sweep activities, each sweep should:

Sweep Output Template Addition

Each Pattern Sweep results document should include:

## Product Relevance Summary
- Portable patterns awaiting product review: [list]
- Patterns reclassified this sweep: [list]
- Converged patterns (methodology → product): [list]

Pattern Family Index

The Pattern Family Index organizes patterns by how they work together. While this index (README.md) groups patterns by category (what they’re about), the family index groups them by family (patterns that reinforce each other). Apply patterns in family units for best results.

Proto-Pattern Registry

The Proto-Pattern Registry tracks emerging pattern candidates that need additional evidence before formalization. Proto-patterns are evaluated during 6-week pattern sweeps and promoted when they meet the evidence threshold.

Anti-Pattern Index

The Anti-Pattern Index provides bidirectional navigation between patterns and their associated anti-patterns:

Use the anti-pattern index to:

Legacy References

Last updated: March 3, 2026 Added Human-AI Collaboration Referee (061); total now 62 patterns