engine

# Engine — Rule Engine & Decision Logic Reference Quick-reference skill for rule engines, decision tables, and business rule patterns. ## When to Use - Implementing business rules that change frequently - Building decision trees or scoring systems - Choosing between rule engine approaches - Designing policy engines for access control or pricing - Separating business logic from application code ## Commands ### `intro` ```bash scripts/script.sh intro ``` Overview of rule engines — types, benefits, when to use. ### `patterns` ```bash scripts/script.sh patterns ``` Rule engine patterns — forward chaining, backward chaining, Rete. ### `tables` ```bash scripts/script.sh tables ``` Decision tables — structure, completeness, and implementation. ### `dsl` ```bash scripts/script.sh dsl ``` Domain-specific languages for rules — syntax approaches and examples. ### `tools` ```bash scripts/script.sh tools ``` Rule engine tools — Drools, OPA, json-rules-engine, and more. ### `scoring` ```bash scripts/script.sh scoring ``` Scoring and ranking engines — weighted rules, multi-criteria decisions. ### `testing` ```bash scripts/script.sh testing ``` Testing rule engines — coverage, conflict detection, regression. ### `checklist` ```bash scripts/script.sh checklist ``` Rule engine implementation checklist. ### `help` ```bash scripts/script.sh help ``` ### `version` ```bash scripts/script.sh version ``` ## Configuration | Variable | Description | |----------|-------------| | `ENGINE_DIR` | Data directory (default: ~/.engine/) | --- *Powered by BytesAgain | bytesagain.com | hello@bytesagain.com*