fix(env): Enhance environment variable tracking by adding current key presence check

update-env.sh

@@ -55,6 +55,7 @@ cp "$ENV_FILE" "$ENV_BACKUP"
 # Store current env values
 echo -e "${BLUE}Reading current environment values...${NC}"
 declare -A current_values
+declare -A current_keys_present
 while IFS='=' read -r key value; do
     # Skip comments and empty lines
     if [[ ! "$key" =~ ^#.*$ ]] && [[ ! -z "$key" ]]; then
@@ -66,6 +67,8 @@ while IFS='=' read -r key value; do
         # Store in associative array if key is not empty
         if [[ ! -z "$key" ]]; then
             current_values["$key"]="$value"
+            # Track that this key existed in original file, regardless of value
+            current_keys_present["$key"]=1
         fi
     fi
 done < "$ENV_FILE"
@@ -87,19 +90,20 @@ while IFS= read -r line; do
         key="${BASH_REMATCH[1]}"
         default_value="${BASH_REMATCH[2]}"
         
-        # Check if this key exists in current values
-        if [[ -n "${current_values[$key]}" ]]; then
-            # Replace the line with the current value
-            sed -i "s|^$key=.*$|$key=${current_values[$key]}|" "$ENV_FILE.new"
+        # Mark the key as used if it exists in the original file
+        if [[ -n "${current_keys_present[$key]}" ]]; then
             used_keys["$key"]=1
-        else
-            # Mark new keys that need attention (those without default values)
-            if [[ -z "$default_value" ]] || [[ "$default_value" == '""' ]] || [[ "$default_value" == "''" ]]; then
-                new_keys+=("$key")
+            
+            # Replace the line with the current value if one exists
+            if [[ -n "${current_values[$key]}" ]]; then
+                sed -i "s|^$key=.*$|$key=${current_values[$key]}|" "$ENV_FILE.new"
             fi
+        # If key doesn't exist in original file and has empty/placeholder value
+        elif [[ -z "$default_value" ]] || [[ "$default_value" == '""' ]] || [[ "$default_value" == "''" ]]; then
+            new_keys+=("$key")
             
             # Special attention for Authelia keys
-            if [[ "$key" == AUTHELIA_* ]] && [[ -z "$default_value" ]]; then
+            if [[ "$key" == AUTHELIA_*_SECRET* ]] || [[ "$key" == AUTHELIA_*_KEY* ]]; then
                 special_keys+=("$key")
             fi
         fi