Autofix Engine Roadmap & Coverage Tracking

This document tracks the parity between the Circuit Validation Engine (the detector) and the Rust Autofix Engine (the repairman).

[DATA] Summary Status

Rule ID	Description	Repair Pattern	Status
`validateFloatingPins`	Detects unconnected MCU inputs	A* routing to GND/VCC	[x]
`validateLedFloatingPins`	Detects floating LED pins	A* routing to GND/Board	[x]
`validateReversePolarity`	Backwards LED	180° Transformation (Flip)	[x]
`validateDiodePolarity`	Backwards Diode	180° Transformation (Flip)	[x]
`validateComponentLimits`	LED over-current / No resistor	Resistor Injection + Wire Cut	[x]
`validateBuzzerResistor`	Buzzer over-current / No resistor	Resistor Injection + Wire Cut	[x]
`validateI2CPullups`	Missing I2C resistors	Dual 4.7k Resistor Injection	[x]
`validateRp2040VoltageInputs`	5V into 3.3V GPIO	Voltage Divider Injection	[x]
`validateRailConflicts`	VCC-GND or 5V-3.3V tie	Error reporting (Hard Fix)	[/]
`validateShortCircuits`	Direct VCC-GND shorts	Path Removal suggestion	[x]
`potentiometer-floating-wiper`	Unconnected wiper	Auto-route to Analog pin	[x]

Rule ID	Description	Proposed Repair	Priority
`validateLogicLevels`	5V MCU driving 3.3V device	Level Shifter Module Injection	High
`validateDuplicateI2CAddress`	Two devices on same address	Attribute auto-increment	Med
`validatePowerDissipation`	Resistor getting too hot	Auto-replace with higher watt / Parallel	Low
`validateI2CDeviceWithoutMcu`	I2C device with no brain	Suggest Arduino/Pico addition	Med
`validateSerialPinConflict`	Pins 0/1 used during upload	Move wires to higher pins	Low
`validateTotalPowerBudget`	Too many components for USB	Suggest Battery/External Supply	Low
`validateThermalLimits`	Component temp > 75°C	Suggest Heatsink addition	Low
`validateBatteryLife`	High drain on battery	Suggest larger Mah battery	Low
`validateVoltageDrops`	Rail sagging	Suggest thicker wires (Visual)	Low
`validateDeadlocks`	blocking while(1) loops	Code injection (non-blocking)	High
`validateSignalIntegrity`	Noise from motors	Decoupling Capacitor Injection	Med
`validateCrossComponentInteractions`	Mixed surge/sensitive	Separation & Bypass Caps	Med

[x] Rust Migration: 100% (Legacy AS Engine removed)
[x] A Pathfinding*: Optimized grid-based routing implemented.
[x] Unified Editor: applyProjectChangePlan centralized in projectUtils.js.
[x] JS/WASM Bridge: wasm-bindgen automated glue code.
[x] Validation Loop API: "Speak & Hear" automation protocol.
[ ] Multi-Layer Routing: Support for "Below board" wires.
[ ] Ghost Persistence: Save repair reasoning to diagram.json metadata.

Last Updated: May 2026