Tune homerow mod timing for better typing flow

- tapping-term-ms: 100 -> 200 (more time before hold triggers)
- quick-tap-ms: 70 -> 150 (faster double-taps always send letter)
- Add require-prior-idle-ms: 125 (hold only activates after pause)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Simsalaba

config/corne.keymap

@@ -35,16 +35,18 @@
 
 ZMK_BEHAVIOR(hml, hold_tap,  // left-hand HRMs
     flavor = "tap-preferred";
-    tapping-term-ms = <100>;
-    quick-tap-ms = <70>;
+    tapping-term-ms = <200>;
+    quick-tap-ms = <150>;
+    require-prior-idle-ms = <125>;
     bindings = <&kp>, <&kp>;
     hold-trigger-key-positions = <KEYS_R THUMBS>;
 )
 
 ZMK_BEHAVIOR(hmr, hold_tap,  // right-hand HRMs
     flavor = "tap-preferred";
-    tapping-term-ms = <100>;
-    quick-tap-ms = <70>;
+    tapping-term-ms = <200>;
+    quick-tap-ms = <150>;
+    require-prior-idle-ms = <125>;
     bindings = <&kp>, <&kp>;
     hold-trigger-key-positions = <KEYS_L THUMBS>;
 )