fix: Suppress console output during zsh initialization to avoid P10K instant prompt warnings

- Add output redirection (&>/dev/null) when sourcing helper functions
- Wrap export -f statements to suppress stderr during loading
- This prevents P10K from detecting console output during initialization

home-content/.bash_oc_smart_aliases.sh

@@ -8,8 +8,8 @@
 # Source this after .bash_aliases to override the old context-only aliases
 # ============================================================================
 
-# First, source the helper functions
-source ~/.bash_oc_smart.sh
+# First, source the helper functions (suppress all console output during init)
+source ~/.bash_oc_smart.sh &>/dev/null
 
 # ============================================================================
 # AWS Shared Clusters - Smart Switch Aliases