feat: add SDKMAN integration and improve mise/tool configuration

- Add SDKMAN initialization to bashrc for Java SDK management
- Create Fish shell wrapper function for SDKMAN commands
- Switch from lazy-loading to automatic mise activation in Fish
- Clean up fish_plugins comments for clarity
- Add pnpm to mise tool-versions
- Enable Shift+Enter in Kitty for Claude Code multi-line prompts
- Make update_pre.ts hook executable

home/dot_config/fish/functions/mise.fish

@@ -1,11 +0,0 @@
-# Lazy-load mise on first use
-function mise --wraps mise
-    # Initialize mise only once
-    if not set -q __mise_initialized
-        set -g __mise_initialized 1
-        command mise activate fish | source
-    end
-
-    # Execute the actual mise command
-    command mise $argv
-end

home/dot_config/fish/functions/sdk.fish

@@ -0,0 +1,4 @@
+function sdk --description 'SDKMAN wrapper for Fish shell'
+    # Run sdk commands in a Bash subshell
+    bash -c "source '$HOME/.sdkman/bin/sdkman-init.sh' && sdk $argv"
+end