Fix Transmission installation detection in update mode

- Skip Transmission daemon installation prompt when in update mode
- Properly detect remote/local status from existing config file
- Add better logging for Transmission configuration detection

🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>

modules/dependencies-module.sh

@@ -19,6 +19,24 @@ function install_dependencies() {
     log "INFO" "Loaded transmission settings from absolute path: TRANSMISSION_REMOTE=$TRANSMISSION_REMOTE"
   fi
   
+  # If we're in update mode, try to load the remote status from existing config
+  if [ "$IS_UPDATE" = "true" ] && [ -n "$EXISTING_CONFIG_PATH" ]; then
+    log "INFO" "Update mode detected with config at $EXISTING_CONFIG_PATH, checking Transmission remote setting"
+    if [ -f "$EXISTING_CONFIG_PATH" ]; then
+      # Try to extract the isRemote setting from the config file
+      if command -v grep &> /dev/null; then
+        IS_REMOTE=$(grep -o '"isRemote":[^,}]*' "$EXISTING_CONFIG_PATH" | grep -o 'true\|false')
+        if [ "$IS_REMOTE" = "true" ]; then
+          export TRANSMISSION_REMOTE=true
+          log "INFO" "Detected remote Transmission configuration from existing config"
+        elif [ "$IS_REMOTE" = "false" ]; then
+          export TRANSMISSION_REMOTE=false
+          log "INFO" "Detected local Transmission configuration from existing config"
+        fi
+      fi
+    fi
+  fi
+  
   # Always prompt if we didn't get TRANSMISSION_REMOTE from environment or previous steps
   if [ -z "$TRANSMISSION_REMOTE" ]; then
     log "WARN" "TRANSMISSION_REMOTE variable was not set, asking now..."
@@ -77,8 +95,8 @@ function install_dependencies() {
       log "INFO" "Node.js is already installed."
     fi
 
-    # Check if we need to install Transmission (only if local transmission was selected)
-    if [ "$TRANSMISSION_REMOTE" = false ]; then
+    # Check if we need to install Transmission (only if local transmission was selected and not in update mode)
+    if [ "$TRANSMISSION_REMOTE" = false ] && [ "$IS_UPDATE" != "true" ]; then
       if ! command_exists transmission-daemon; then
         log "INFO" "Local Transmission installation selected, but transmission-daemon is not installed."
         log "INFO" "You selected to use a local Transmission installation during configuration."