fix(conductor): Resolve FileExistsError and harden Preset Manager modal

config.toml

@@ -2,9 +2,10 @@
 provider = "minimax"
 model = "MiniMax-M2.5"
 temperature = 0.0
-max_tokens = 24000
+max_tokens = 4096
 history_trunc_limit = 900000
-system_prompt = ""
+active_preset = "Default"
+system_prompt = "Not sure yet."
 
 [projects]
 paths = [
@@ -40,7 +41,7 @@ Response = false
 "Tool Calls" = false
 Theme = true
 "Log Management" = true
-Diagnostics = true
+Diagnostics = false
 
 [theme]
 palette = "Nord Dark"