Add exception handling

src/ocre/components/container_supervisor/cs_sm_impl.c

@@ -131,8 +131,23 @@ static void container_thread_entry(void *args) {
     // Set TLS for the container's WASM module
     current_module_tls = &module_inst;
 #endif
-    // Run the WASM main function
-    bool success = wasm_application_execute_main(module_inst, 0, NULL);
+
+    // Run the WASM main function with exception handling
+    bool success = false;
+    const char *exception = NULL;
+
+    // Clear any previous exceptions
+    wasm_runtime_clear_exception(module_inst);
+
+    // Execute main function
+    success = wasm_application_execute_main(module_inst, 0, NULL);
+
+    // Check for exceptions
+    exception = wasm_runtime_get_exception(module_inst);
+    if (exception) {
+        LOG_ERR("Container %d exception: %s", container->container_ID, exception);
+        success = false;
+    }
     // Update container status
     if (container->container_runtime_status != CONTAINER_STATUS_STOPPED)
         container->container_runtime_status = success ? CONTAINER_STATUS_STOPPED : CONTAINER_STATUS_ERROR;
@@ -161,7 +176,12 @@ static void container_thread_entry(void *args) {
     }
     core_mutex_unlock(&container->lock);
 
-    LOG_INF("Container thread %d exited cleanly", container->container_ID);
+    if (success) {
+        LOG_INF("Container %d completed successfully", container->container_ID);
+    } else {
+        LOG_ERR("Container %d failed: %s", container->container_ID, 
+                exception ? exception : "unknown error");
+    }
 
     // Clean up WASM runtime thread environment
     wasm_runtime_destroy_thread_env();

src/ocre/ocre_gpio/ocre_gpio.c

@@ -267,7 +267,7 @@ int ocre_gpio_unregister_callback(int pin) {
 
 void ocre_gpio_cleanup_container(wasm_module_inst_t module_inst) {
     if (!gpio_system_initialized || !module_inst) {
-        LOG_ERR("GPIO system not initialized or invalid module %p", (void *)module_inst);
+        LOG_DBG("GPIO system not initialized or invalid module %p", (void *)module_inst);
         return;
     }
     for (int i = 0; i < CONFIG_OCRE_GPIO_MAX_PINS; i++) {