fix(08): fix infinite recursion in config manager

backend/config_manager.py

@@ -1,7 +1,7 @@
 import os
 import yaml
 import logging
-from .config_loader import load_config, get_config
+from .config_loader import load_config as loader_load_config, get_config as loader_get_config
 
 log = logging.getLogger("ainventory")
 
@@ -52,8 +52,8 @@ class ConfigManager:
             log.info(f"✅ Updated {path} with new values.")
             
             # Reload the global config
-            load_config()
-            return get_config()
+            loader_load_config()
+            return loader_get_config()
         except Exception as e:
             log.error(f"❌ Failed to write {path}: {e}")
             raise
@@ -103,8 +103,8 @@ class ConfigManager:
             log.info(f"✅ Updated {path} with new secrets.")
             
             # Reload the global config
-            load_config()
-            return get_config()
+            loader_load_config()
+            return loader_get_config()
         except Exception as e:
             log.error(f"❌ Failed to write {path}: {e}")
             raise
@@ -133,17 +133,17 @@ class ConfigManager:
         if backend_updates:
             ConfigManager.update_config(backend_updates)
             
-        return get_config()
+        return loader_get_config()
 
     @staticmethod
     def get_config() -> dict:
         """Return the current global configuration."""
-        return get_config()
+        return loader_get_config()
 
     @staticmethod
     def get_masked_key(key_name: str):
         """Returns a masked version of a configuration value or env var."""
-        config = get_config()
+        config = loader_get_config()
         
         # Try to find in config first
         val = None
@@ -183,7 +183,7 @@ def update_config(updates: dict) -> dict:
 
 def get_config() -> dict:
     """Return the current global configuration."""
-    return ConfigManager.get_config()
+    return loader_get_config()
 
 def validate_config_file() -> bool:
     """Validate backend.yaml syntax and required fields."""