expand cd tab autocomplete

modules/zsh.nix

@@ -79,7 +79,6 @@
       bindkey -M viins '^[[65;2u' self-insert
       
       # Disable expand-or-complete on potential problematic keys in vim insert mode
-      bindkey -M viins '^I' expand-or-complete   # Keep tab completion but be explicit
       
       # Configure autosuggestions to not interfere with vim mode
       ZSH_AUTOSUGGEST_CLEAR_WIDGETS+=(vi-add-eol)
@@ -117,6 +116,23 @@
         else
           "thunar \"$current_dir\" &"}
       }
+
+      # Custom cd completion with fzf (only for empty cd command)
+      function _fzf_cd_complete() {
+        local tokens=(''${(z)LBUFFER})
+        if [[ ''${tokens[1]} == "cd" && -z ''${tokens[2]} ]]; then
+          local selected
+          selected=$(fd --type d --max-depth 1 . "$PWD" 2>/dev/null | fzf --height 40% --preview 'ls -la {}' --header="Select directory")
+          if [[ -n "$selected" ]]; then
+            LBUFFER="cd $selected"
+          fi
+          zle redisplay
+        else
+          zle expand-or-complete
+        fi
+      }
+      zle -N _fzf_cd_complete
+      bindkey '^I' _fzf_cd_complete
     '';
   };