feat(p10k): apply Catppuccin Frappé palette

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.p10k.zsh

@@ -37,15 +37,15 @@
   # Zsh >= 5.1 is required.
   [[ $ZSH_VERSION == (5.<1->*|<6->.*) ]] || return
 
-  # Prompt colors — Nord palette.
-  # https://www.nordtheme.com/docs/colors-and-palettes
-  local grey='#4C566A'    # nord3
-  local red='#BF616A'     # nord11
-  local yellow='#EBCB8B'  # nord13
-  local blue='#88C0D0'    # nord8
-  local magenta='#B48EAD' # nord15
-  local cyan='#8FBCBB'    # nord7
-  local white='#ECEFF4'   # nord6
+  # Prompt colors — Catppuccin Frappé palette.
+  # https://catppuccin.com/palette/
+  local grey='#838ba7'    # overlay1
+  local red='#e78284'     # red
+  local yellow='#e5c890'  # yellow
+  local blue='#85c1dc'    # sapphire
+  local magenta='#ca9ee6' # mauve
+  local cyan='#81c8be'    # teal
+  local white='#c6d0f5'   # text
 
   # Left prompt segments.
   typeset -g POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(