fix(browser-agent): Handle None values for llm_provider and llm_model

When command has explicit null values for llm_provider or llm_model,
the executor would crash with AttributeError on NoneType.lower().

Now uses defaults ("openai" and "gpt-4o-mini") when None is passed.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: guyernest

lambda/tools/local-browser-agent/python/openai_playwright_executor.py

@@ -128,8 +128,9 @@ def __init__(
         user_data_dir: Optional[Path] = None,
         navigation_timeout: int = 60000,
     ):
-        self.llm_provider = llm_provider.lower()
-        self.llm_model = llm_model
+        # Handle None values with defaults
+        self.llm_provider = (llm_provider or "openai").lower()
+        self.llm_model = llm_model or "gpt-4o-mini"
         self.llm_api_key = llm_api_key
         self.s3_bucket = s3_bucket
         self.aws_profile = aws_profile

lambda/tools/local-browser-agent/src-tauri/tauri.conf.json

@@ -8,7 +8,7 @@
   },
   "package": {
     "productName": "Local Browser Agent",
-    "version": "0.4.23"
+    "version": "0.4.24"
   },
   "tauri": {
     "allowlist": {