update readme and small timing tweak

Author: MSmaili

README.md

@@ -80,12 +80,14 @@ Notes:
 
 - `BASE`: QWERTY + home-row mods
 - `SYM`: symbols and punctuation in familiar QWERTY-style positions
-- `NAV`: Vim-style navigation, number row, media, word navigation
-- `FNC`: function keys, Bluetooth profile management, output switching, reset
+- `NAV`: Vim-style navigation, number row, word navigation, Delete, back/forward
+- `FNC`: function keys, media controls (volume, brightness, playback)
+- `SYS`: Bluetooth profiles, output switching (USB/BLE), reset/bootloader, ZMK Studio unlock
 - `MSE`: mouse movement, scroll, clicks, drag helpers
 - `MSE_FAST`: faster temporary mouse/scroll behavior
 
-`FNC` is also a tri-layer: it activates when both `SYM` and `NAV` are active.
+`FNC` is a tri-layer: it activates when both `SYM` and `NAV` are active.
+`SYS` is toggled from the `FNC` layer, intentionally harder to reach to avoid accidental taps
 
 ### Core behavior choices
 

config/includes/base.dtsi

@@ -19,7 +19,7 @@
 #include "mouse.dtsi"
 #include "combos.dtsi"
 
-&caps_word { continue-list = <UNDERSCORE BACKSPACE DELETE SPACE MINUS DEL N1 N2 N3 N4 N5 N6 N7 N8 N9 N0>; };
+&caps_word { continue-list = <UNDERSCORE BACKSPACE DELETE MINUS DEL N1 N2 N3 N4 N5 N6 N7 N8 N9 N0>; };
 
 / {
     macros {
@@ -77,8 +77,8 @@
             bindings = <&mo>, <&kp>;
             flavor = "hold-preferred";
             #binding-cells = <2>;
-            tapping-term-ms = <185>;
-            quick-tap-ms = <120>;
+            tapping-term-ms = <200>;
+            quick-tap-ms = <130>;
         };
 
         lth: lthumb {