fix(ota): bypass 64KB flash block erase, increase WDT timeouts, and place encoder table in DRAM

main/encoder.c

@@ -11,6 +11,7 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "esp_log.h"
+#include "esp_attr.h"
 #include "driver/gpio.h"
 #include "hw_pins.h"
 #include "encoder.h"
@@ -41,8 +42,11 @@ static volatile int8_t s_steps_per_detent = 4; /* 4 = full-step, 2 = half-step *
  *
  * All bounces (e.g. 11 <-> 01) cancel out: +1 + (-1) = 0.
  * Invalid diagonal skips (00 <-> 11, 01 <-> 10): 0.
+ *
+ * Placed in DRAM_ATTR so reading it during flash erase (when cache is disabled)
+ * does not trigger a Cache Disabled DoubleException.
  */
-static const int8_t s_quad_table[16] = {
+static const DRAM_ATTR int8_t s_quad_table[16] = {
     [0]  =  0,
     [1]  = -1, // 00 -> 01 (CCW)
     [2]  =  1, // 00 -> 10 (CW)