Prevent the user from clicking Submit/Retry, without an api key

src/plan/app_text2plan.py

@@ -38,6 +38,7 @@ class Config:
     visible_open_output_dir_button: bool
     visible_openrouter_api_key_textbox: bool
     allow_only_openrouter_models: bool
+    run_planner_check_api_key_is_provided: bool
     enable_purge_old_runs: bool
 
 CONFIG_LOCAL = Config(
@@ -46,6 +47,7 @@ CONFIG_LOCAL = Config(
     visible_open_output_dir_button=True,
     visible_openrouter_api_key_textbox=False,
     allow_only_openrouter_models=False,
+    run_planner_check_api_key_is_provided=False,
     enable_purge_old_runs=False,
 )
 CONFIG_HUGGINGFACE_SPACES = Config(
@@ -54,6 +56,7 @@ CONFIG_HUGGINGFACE_SPACES = Config(
     visible_open_output_dir_button=False,
     visible_openrouter_api_key_textbox=True,
     allow_only_openrouter_models=True,
+    run_planner_check_api_key_is_provided=True,
     enable_purge_old_runs=True,
 )
 
@@ -202,6 +205,11 @@ def run_planner(submit_or_retry_button, plan_prompt, browser_state, session_stat
     session_state.llm_model = settings.get("model_radio", session_state.llm_model)
     session_state.speedvsdetail = settings.get("speedvsdetail_radio", session_state.speedvsdetail)
 
+    # Check if an OpenRouter API key is required and provided.
+    if CONFIG.run_planner_check_api_key_is_provided:
+        if session_state.openrouter_api_key is None or len(session_state.openrouter_api_key) == 0:
+            raise ValueError("An OpenRouter API key is required to use PlanExe. Please provide an API key in the Settings tab.")
+
     # Clear any previous stop signal.
     session_state.stop_event.clear()