fix toolbar error

src/cai/repl/commands/memory.py

@@ -906,7 +906,8 @@ Model: {get_compact_model() or os.environ.get("CAI_MODEL", "gpt-4")}
                 
                 # Register the memory in the index
                 self._register_memory(memory_id, memory_name)
-                
+
+                os.environ['CAI_MEMORY'] = 'true'
                 console.print(f"[green]✓ Saved memory: {memory_name} (ID: {memory_id})[/green]")
                 
                 # Automatically apply the memory to the agent's system prompt

src/cai/repl/ui/toolbar.py

@@ -157,8 +157,8 @@ def update_toolbar_in_background():
                 auto_compact_color = "ansired"
         
         # Get memory status
-        memory_enabled = os.getenv('CAI_MEMORY', 'false').lower() != 'false'
-        memory_str = os.getenv('CAI_MEMORY', 'false') if memory_enabled else "✗"
+        memory_enabled = os.getenv('CAI_MEMORY', 'false').lower() == 'true'
+        memory_str = "✓"  if memory_enabled else "✗"
         memory_color = "ansigreen" if memory_enabled else "ansigray"
         
         # Get streaming status