Valid JSON output

metadata section present

stack_detected section present

React identified as primary stack

Detection sources listed

patterns_found section present

Singleton detected

Factory pattern detected

Confidence scores on 0-1 scale

Pattern type classification field

ConfigManager classified as custom

React-native recommendation for singleton

summary section present

Markdown output file

Header with scope and stack

Priority sections present

Switch-on-type smell identified

Strategy pattern suggested for switch smell

Long parameter list smell identified

Builder pattern suggested for long params

Duplicated notification logic identified

Current implementation shown

Recommended alternative with code example

Express-native suggestion for routing

Impact assessment per suggestion

File location references

Valid JSON output

correctness score present

testability score present

single_responsibility score present

open_closed score present

documentation score present

overall score present

Weighted overall formula used

details section with per-criterion rationale

getInstance anti-pattern identified

Hard-coded dependency anti-pattern identified

Multiple responsibilities identified

Priority-ranked recommendations

Low testability score