feat: add debug logging and make dir field optional in settings

Co-authored-by: aider (openai/andrew/openrouter/qwen/qwen3-coder) <aider@aider.chat>

src/config.rs

@@ -2,7 +2,7 @@ use std::path::PathBuf;
 use std::fs;
 use anyhow::{Result, Context};
 use serde::{Deserialize, Serialize};
-use log::debug;
+use log::{debug, error};
 use crate::args::{Args};
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
@@ -33,11 +33,15 @@ pub struct MetaPluginConfig {
 /// Unified settings that merges config file and CLI arguments
 #[derive(Debug, Clone, Deserialize)]
 pub struct Settings {
+    #[serde(default)]
     pub dir: PathBuf,
     pub list_format: Vec<ColumnConfig>,
+    #[serde(default)]
     pub human_readable: bool,
     pub output_format: Option<String>,
+    #[serde(default)]
     pub quiet: bool,
+    #[serde(default)]
     pub force: bool,
     pub server: Option<ServerConfig>,
     pub compression_plugin: Option<CompressionPluginConfig>,
@@ -48,26 +52,41 @@ pub struct Settings {
 impl Settings {
     /// Create unified settings from config and args with proper priority
     pub fn new(args: &Args, default_dir: PathBuf) -> Result<Self> {
+        debug!("CONFIG: Creating settings with default dir: {:?}", default_dir);
+        
         let config_path = if let Some(config_path) = &args.options.config {
             config_path.clone()
         } else if let Ok(env_config) = std::env::var("KEEP_CONFIG") {
             PathBuf::from(env_config)
         } else {
-            Self::default_config_path().unwrap_or_else(|_| PathBuf::from("~/.config/keep/config.yml"))
+            match Self::default_config_path() {
+                Ok(path) => path,
+                Err(e) => {
+                    debug!("CONFIG: Failed to get default config path: {}", e);
+                    PathBuf::from("~/.config/keep/config.yml")
+                }
+            }
         };
         
+        debug!("CONFIG: Using config path: {:?}", config_path);
+
         let mut config_builder = config::Config::builder();
         
         // Load config file if it exists
         if config_path.exists() {
+            debug!("CONFIG: Loading config file: {:?}", config_path);
             config_builder = config_builder.add_source(config::File::from(config_path.clone()).required(false));
+        } else {
+            debug!("CONFIG: Config file does not exist: {:?}", config_path);
         }
         
         // Add environment variables
+        debug!("CONFIG: Adding environment variables");
         config_builder = config_builder.add_source(config::Environment::with_prefix("KEEP").separator("__"));
         
         // Override with CLI args
         if let Some(dir) = &args.options.dir {
+            debug!("CONFIG: Overriding dir with CLI arg: {:?}", dir);
             config_builder = config_builder.set_override("dir", dir.to_str().unwrap())?;
         }
         
@@ -148,25 +167,38 @@ impl Settings {
         }
         
         let config = config_builder.build()?;
-        let mut settings: Settings = config.try_deserialize()?;
+        debug!("CONFIG: Built config, attempting to deserialize");
         
-        // Set defaults for list_format if not provided
+        match config.try_deserialize::<Settings>() {
-        if settings.list_format.is_empty() {
+            Ok(mut settings) => {
-            settings.list_format = vec![
+                debug!("CONFIG: Successfully deserialized settings: {:?}", settings);
-                ColumnConfig { name: "id".to_string(), label: "Item".to_string() },
+                
-                ColumnConfig { name: "time".to_string(), label: "Time".to_string() },
+                // Set defaults for list_format if not provided
-                ColumnConfig { name: "size".to_string(), label: "Size".to_string() },
+                if settings.list_format.is_empty() {
-                ColumnConfig { name: "meta:full_hostname".to_string(), label: "Host".to_string() },
+                    debug!("CONFIG: Setting default list_format");
-                ColumnConfig { name: "meta:command".to_string(), label: "Command".to_string() },
+                    settings.list_format = vec![
-            ];
+                        ColumnConfig { name: "id".to_string(), label: "Item".to_string() },
+                        ColumnConfig { name: "time".to_string(), label: "Time".to_string() },
+                        ColumnConfig { name: "size".to_string(), label: "Size".to_string() },
+                        ColumnConfig { name: "meta:full_hostname".to_string(), label: "Host".to_string() },
+                        ColumnConfig { name: "meta:command".to_string(), label: "Command".to_string() },
+                    ];
+                }
+                
+                // Set dir to default if not provided or is empty
+                if settings.dir == PathBuf::new() {
+                    debug!("CONFIG: Setting default dir: {:?}", default_dir);
+                    settings.dir = default_dir;
+                }
+                
+                debug!("CONFIG: Final settings: {:?}", settings);
+                Ok(settings)
+            }
+            Err(e) => {
+                error!("CONFIG: Failed to deserialize settings: {}", e);
+                Err(e.into())
+            }
         }
-        
-        // Set dir to default if not provided
-        if settings.dir == PathBuf::new() {
-            settings.dir = default_dir;
-        }
-        
-        Ok(settings)
     }
 
     /// Get the default config file path