🔧 Add MANUAL_FEEDRATE sanity-check

Marlin/src/inc/SanityCheck.h

 constexpr float sanity_arr_1[] = DEFAULT_AXIS_STEPS_PER_UNIT,
                 sanity_arr_2[] = DEFAULT_MAX_FEEDRATE,
                 sanity_arr_3[] = DEFAULT_MAX_ACCELERATION,
-                sanity_arr_7[] = HOMING_FEEDRATE_MM_M;
+                sanity_arr_4[] = HOMING_FEEDRATE_MM_M;
 
-#define _ARR_TEST(N,I) (sanity_arr_##N[_MIN(I,int(COUNT(sanity_arr_##N))-1)] > 0)
+#define __PLUS_TEST(I,A) && (sanity_arr_##A[_MIN(I,signed(COUNT(sanity_arr_##A)-1))] > 0)
+#define _PLUS_TEST(A) (1 REPEAT2(14,__PLUS_TEST,A))
 #if HAS_MULTI_EXTRUDER
   #define _EXTRA_NOTE " (Did you forget to enable DISTINCT_E_FACTORS?)"
 #else
 
 static_assert(COUNT(sanity_arr_1) >= LOGICAL_AXES,  "DEFAULT_AXIS_STEPS_PER_UNIT requires " _LOGICAL_AXES_STR "elements.");
 static_assert(COUNT(sanity_arr_1) <= DISTINCT_AXES, "DEFAULT_AXIS_STEPS_PER_UNIT has too many elements." _EXTRA_NOTE);
-static_assert(   _ARR_TEST(1,0) && _ARR_TEST(1,1) && _ARR_TEST(1,2)
-              && _ARR_TEST(1,3) && _ARR_TEST(1,4) && _ARR_TEST(1,5)
-              && _ARR_TEST(1,6) && _ARR_TEST(1,7) && _ARR_TEST(1,8),
-              "DEFAULT_AXIS_STEPS_PER_UNIT values must be positive.");
+static_assert(_PLUS_TEST(1), "DEFAULT_AXIS_STEPS_PER_UNIT values must be positive.");
 
 static_assert(COUNT(sanity_arr_2) >= LOGICAL_AXES,  "DEFAULT_MAX_FEEDRATE requires " _LOGICAL_AXES_STR "elements.");
 static_assert(COUNT(sanity_arr_2) <= DISTINCT_AXES, "DEFAULT_MAX_FEEDRATE has too many elements." _EXTRA_NOTE);
-static_assert(   _ARR_TEST(2,0) && _ARR_TEST(2,1) && _ARR_TEST(2,2)
-              && _ARR_TEST(2,3) && _ARR_TEST(2,4) && _ARR_TEST(2,5)
-              && _ARR_TEST(2,6) && _ARR_TEST(2,7) && _ARR_TEST(2,8),
-              "DEFAULT_MAX_FEEDRATE values must be positive.");
+static_assert(_PLUS_TEST(2), "DEFAULT_MAX_FEEDRATE values must be positive.");
 
 static_assert(COUNT(sanity_arr_3) >= LOGICAL_AXES,  "DEFAULT_MAX_ACCELERATION requires " _LOGICAL_AXES_STR "elements.");
 static_assert(COUNT(sanity_arr_3) <= DISTINCT_AXES, "DEFAULT_MAX_ACCELERATION has too many elements." _EXTRA_NOTE);
-static_assert(   _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
-              && _ARR_TEST(3,3) && _ARR_TEST(3,4) && _ARR_TEST(3,5)
-              && _ARR_TEST(3,6) && _ARR_TEST(3,7) && _ARR_TEST(3,8),
-              "DEFAULT_MAX_ACCELERATION values must be positive.");
-
-static_assert(COUNT(sanity_arr_7) == LINEAR_AXES,  "HOMING_FEEDRATE_MM_M requires " _LINEAR_AXES_STR "elements (and no others).");
-static_assert(   _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
-              && _ARR_TEST(3,3) && _ARR_TEST(3,4) && _ARR_TEST(3,5)
-              && _ARR_TEST(3,6) && _ARR_TEST(3,7) && _ARR_TEST(3,8),
-              "HOMING_FEEDRATE_MM_M values must be positive.");
-
-#if ENABLED(LIMITED_MAX_ACCEL_EDITING)
-  #ifdef MAX_ACCEL_EDIT_VALUES
-    constexpr float sanity_arr_4[] = MAX_ACCEL_EDIT_VALUES;
-    static_assert(COUNT(sanity_arr_4) >= LOGICAL_AXES, "MAX_ACCEL_EDIT_VALUES requires " _LOGICAL_AXES_STR "elements.");
-    static_assert(COUNT(sanity_arr_4) <= LOGICAL_AXES, "MAX_ACCEL_EDIT_VALUES has too many elements. " _LOGICAL_AXES_STR "elements only.");
-    static_assert(   _ARR_TEST(4,0) && _ARR_TEST(4,1) && _ARR_TEST(4,2)
-                  && _ARR_TEST(4,3) && _ARR_TEST(4,4) && _ARR_TEST(4,5)
-                  && _ARR_TEST(4,6) && _ARR_TEST(4,7) && _ARR_TEST(4,8),
-                  "MAX_ACCEL_EDIT_VALUES values must be positive.");
-  #endif
-#endif
-
-#if ENABLED(LIMITED_MAX_FR_EDITING)
-  #ifdef MAX_FEEDRATE_EDIT_VALUES
-    constexpr float sanity_arr_5[] = MAX_FEEDRATE_EDIT_VALUES;
-    static_assert(COUNT(sanity_arr_5) >= LOGICAL_AXES, "MAX_FEEDRATE_EDIT_VALUES requires " _LOGICAL_AXES_STR "elements.");
-    static_assert(COUNT(sanity_arr_5) <= LOGICAL_AXES, "MAX_FEEDRATE_EDIT_VALUES has too many elements. " _LOGICAL_AXES_STR "elements only.");
-    static_assert(   _ARR_TEST(5,0) && _ARR_TEST(5,1) && _ARR_TEST(5,2)
-                  && _ARR_TEST(5,3) && _ARR_TEST(5,4) && _ARR_TEST(5,5)
-                  && _ARR_TEST(5,6) && _ARR_TEST(5,7) && _ARR_TEST(5,8),
-                  "MAX_FEEDRATE_EDIT_VALUES values must be positive.");
-  #endif
-#endif
-
-#if ENABLED(LIMITED_JERK_EDITING)
-  #ifdef MAX_JERK_EDIT_VALUES
-    constexpr float sanity_arr_6[] = MAX_JERK_EDIT_VALUES;
-    static_assert(COUNT(sanity_arr_6) >= LOGICAL_AXES, "MAX_JERK_EDIT_VALUES requires " _LOGICAL_AXES_STR "elements.");
-    static_assert(COUNT(sanity_arr_6) <= LOGICAL_AXES, "MAX_JERK_EDIT_VALUES has too many elements. " _LOGICAL_AXES_STR "elements only.");
-    static_assert(   _ARR_TEST(6,0) && _ARR_TEST(6,1) && _ARR_TEST(6,2)
-                  && _ARR_TEST(6,3) && _ARR_TEST(6,4) && _ARR_TEST(6,5)
-                  && _ARR_TEST(6,6) && _ARR_TEST(6,7) && _ARR_TEST(6,8),
-                  "MAX_JERK_EDIT_VALUES values must be positive.");
-  #endif
-#endif
-
-#undef _ARR_TEST
+static_assert(_PLUS_TEST(3), "DEFAULT_MAX_ACCELERATION values must be positive.");
+
+static_assert(COUNT(sanity_arr_4) == LINEAR_AXES,  "HOMING_FEEDRATE_MM_M requires " _LINEAR_AXES_STR "elements (and no others).");
+static_assert(_PLUS_TEST(4), "HOMING_FEEDRATE_MM_M values must be positive.");
+
+#ifdef MAX_ACCEL_EDIT_VALUES
+  constexpr float sanity_arr_5[] = MAX_ACCEL_EDIT_VALUES;
+  static_assert(COUNT(sanity_arr_5) >= LOGICAL_AXES, "MAX_ACCEL_EDIT_VALUES requires " _LOGICAL_AXES_STR "elements.");
+  static_assert(COUNT(sanity_arr_5) <= LOGICAL_AXES, "MAX_ACCEL_EDIT_VALUES has too many elements. " _LOGICAL_AXES_STR "elements only.");
+  static_assert(_PLUS_TEST(5), "MAX_ACCEL_EDIT_VALUES values must be positive.");
+#endif
+
+#ifdef MAX_FEEDRATE_EDIT_VALUES
+  constexpr float sanity_arr_6[] = MAX_FEEDRATE_EDIT_VALUES;
+  static_assert(COUNT(sanity_arr_6) >= LOGICAL_AXES, "MAX_FEEDRATE_EDIT_VALUES requires " _LOGICAL_AXES_STR "elements.");
+  static_assert(COUNT(sanity_arr_6) <= LOGICAL_AXES, "MAX_FEEDRATE_EDIT_VALUES has too many elements. " _LOGICAL_AXES_STR "elements only.");
+  static_assert(_PLUS_TEST(6), "MAX_FEEDRATE_EDIT_VALUES values must be positive.");
+#endif
+
+#ifdef MAX_JERK_EDIT_VALUES
+  constexpr float sanity_arr_7[] = MAX_JERK_EDIT_VALUES;
+  static_assert(COUNT(sanity_arr_7) >= LOGICAL_AXES, "MAX_JERK_EDIT_VALUES requires " _LOGICAL_AXES_STR "elements.");
+  static_assert(COUNT(sanity_arr_7) <= LOGICAL_AXES, "MAX_JERK_EDIT_VALUES has too many elements. " _LOGICAL_AXES_STR "elements only.");
+  static_assert(_PLUS_TEST(7), "MAX_JERK_EDIT_VALUES values must be positive.");
+#endif
+
+#ifdef MANUAL_FEEDRATE
+  constexpr float sanity_arr_8[] = MANUAL_FEEDRATE;
+  static_assert(COUNT(sanity_arr_8) >= LOGICAL_AXES, "MANUAL_FEEDRATE requires " _LOGICAL_AXES_STR "elements.");
+  static_assert(COUNT(sanity_arr_8) <= LOGICAL_AXES, "MANUAL_FEEDRATE has too many elements. " _LOGICAL_AXES_STR "elements only.");
+  static_assert(_PLUS_TEST(8), "MANUAL_FEEDRATE values must be positive.");
+#endif
+
+#undef __PLUS_TEST
+#undef _PLUS_TEST
 #undef _EXTRA_NOTE
 
 #if BOTH(CNC_COORDINATE_SYSTEMS, NO_WORKSPACE_OFFSETS)