Replace stall/homing flow with signed slider drive control

This streamlines manual dual-motor operation by using spring-centered signed sliders and synchronized drive modes while keeping live current monitoring in the UI and API.

include/config.h

@@ -69,12 +69,6 @@ const MotorPins MOTOR2_PINS = {
 // Current logging interval for data collection
 #define CURRENT_LOG_INTERVAL_MS 100  // Log current readings every 100ms
 
-// Simple Stall Detection
-// Based on clean data: Running ~2A, Stall ~17A (8.5x difference)
-#define STALL_THRESHOLD 8.0f          // Amps - midpoint between 2A run and 17A stall
-#define STALL_CONFIRM_SAMPLES 3       // Debounce: 3 samples = 300ms at 100ms interval
-#define STALL_STABILIZE_MS 500        // Ignore current spikes for 500ms after direction change
-
 // Web Server
 #define HTTP_PORT 80
 

include/homing.h

@@ -1,10 +0,0 @@
-#ifndef HOMING_H
-#define HOMING_H
-
-// Coordinated movement functions (defined in main.cpp)
-int toggleCoordinatedMovement(int speed);
-void stopCoordinatedMovement();
-int getCoordinatedState();
-bool isCoordinatedMovementDone();
-
-#endif

include/motor.h

@@ -4,9 +4,6 @@
 #include <Arduino.h>
 #include "config.h"
 
-// Stall callback function type
-typedef void (*StallCallback)();
-
 class MotorController {
 public:
     // Constructor with pin configuration and motor name
@@ -25,11 +22,6 @@ public:
     float getCurrentActive();        // Current from active direction
     const char* getName();           // Get motor name for logging
     
-    // Stall detection
-    bool isStalled();
-    void setStallCallback(StallCallback callback);
-    void resetStallDetection();
-    
 private:
     MotorPins _pins;
     const char* _name;
@@ -43,19 +35,12 @@ private:
     int _adcOffsetRight = 0;
     int _adcOffsetLeft = 0;
     
-    // Stall detection state
-    bool _stalled = false;
-    int _stallConfirmCount = 0;
-    StallCallback _stallCallback = nullptr;
-    unsigned long _lastDirectionChangeTime = 0;
-    
     // Static flag to track if enable pins are already configured
     static bool _enablePinsConfigured;
     
     void applyMotorState();
     float readCurrentSense(int pin);
     void calibrateCurrentOffset();
-    void checkStall();
 };
 
 // Two motor controller instances