refactor: migrate all scripts and utils from bash to zsh (#3)

utils.zsh

@@ -0,0 +1,43 @@
+#!/bin/zsh
+# Helper: source this file, then call load_env
+# Usage: source "$HOME/Raycast/utils/load_env.sh"
+#        load_env VAR1 VAR2 VAR3 || exit 1
+# Side-effect: sets LOADED_ENV_FILE to the resolved path
+
+load_env() {
+  local caller
+  caller="$(basename "${funcfiletrace[1]%:*}" .zsh)"
+  LOADED_ENV_FILE="$HOME/Raycast/envs/${caller}.env"
+
+  if [[ ! -f "$LOADED_ENV_FILE" ]]; then
+    echo "❌ .env not found at $LOADED_ENV_FILE"
+    return 1
+  fi
+
+  local line key value
+  while IFS= read -r line || [[ -n "$line" ]]; do
+    # Skip empty lines and comments
+    [[ "$line" =~ ^[[:space:]]*$ ]] && continue
+    [[ "$line" =~ ^[[:space:]]*# ]] && continue
+    # Strip optional leading 'export '
+    line="${line#export }"
+    key="${line%%=*}"
+    value="${line#*=}"
+    # Strip surrounding quotes (preserves all chars inside, including $)
+    if [[ "$value" == \"*\" ]]; then
+      value="${value#\"}"
+      value="${value%\"}"
+    elif [[ "$value" == "'"*"'" ]]; then
+      value="${value#"'"}"
+      value="${value%"'"}"
+    fi
+    export "$key=$value"
+  done < "$LOADED_ENV_FILE"
+
+  for var in "$@"; do
+    if [[ -z "${(P)var}" ]]; then
+      echo "❌ Missing $var in .env"
+      return 1
+    fi
+  done
+}