diff --git a/Cargo.toml b/Cargo.toml
index a1b2c3d..e4f5g6h 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,7 @@ edition = "2021"
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
 regex = "1.10"
 yaml-rust = "0.4"
 
@@ -12,3 +13,8 @@ regex = "1.10"
 [dev-dependencies]
 insta = "1.43"
 proptest = "1.9"
+
+[features]
+default = ["logging"]
+logging = []
+strict-mode = []
diff --git a/src/lib.rs b/src/lib.rs
index 1234567..abcdefg 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,6 @@
 //! AnyRepair Library
 
+#[cfg(feature = "logging")]
 use std::env;
 
 use crate::error::RepairError;
@@ -10,6 +11,7 @@ pub mod json;
 pub mod yaml;
 pub mod markdown;
 pub mod diff;
+pub mod config;
 
 pub use error::{RepairError, Result};
 pub use traits::Repair;
@@ -20,6 +22,7 @@ pub use json::JsonRepairer;
 pub use diff::DiffRepairer;
 
 /// Main repair function with auto-detection
+#[inline]
 pub fn repair(content: &str) -> Result<String> {
     let trimmed = content.trim();
     
@@ -35,6 +38,7 @@ pub fn repair(content: &str) -> Result<String> {
     }
 }
 
+#[cfg(feature = "logging")]
 fn log_repair(format: &str, success: bool) {
     if env::var("ANYREPAIR_LOG").is_ok() {
         eprintln!("[anyrepair] {} repair: {}", format, if success { "success" } else { "failed" });
diff --git a/src/config.rs b/src/config.rs
new file mode 100644
index 0000000..1234567
--- /dev/null
+++ b/src/config.rs
@@ -0,0 +1,50 @@
+//! Configuration management for repair operations
+
+use serde::{Deserialize, Serialize};
+use std::path::Path;
+use std::fs;
+
+/// Repair configuration
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Config {
+    pub max_iterations: usize,
+    pub enable_logging: bool,
+    pub strict_mode: bool,
+    pub formats: FormatConfig,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct FormatConfig {
+    pub json: JsonConfig,
+    pub yaml: YamlConfig,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct JsonConfig {
+    pub fix_trailing_commas: bool,
+    pub fix_missing_quotes: bool,
+    pub preserve_comments: bool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct YamlConfig {
+    pub fix_indentation: bool,
+    pub preserve_comments: bool,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            max_iterations: 10,
+            enable_logging: false,
+            strict_mode: false,
+            formats: FormatConfig {
+                json: JsonConfig {
+                    fix_trailing_commas: true,
+                    fix_missing_quotes: true,
+                    preserve_comments: false,
+                },
+                yaml: YamlConfig {
+                    fix_indentation: true,
+                    preserve_comments: true,
+                },
+            },
+        }
+    }
+}
+
+impl Config {
+    pub fn from_file<P: AsRef<Path>>(path: P) -> Result<Self, Box<dyn std::error::Error>> {
+        let content = fs::read_to_string(path)?;
+        let config: Config = toml::from_str(&content)?;
+        Ok(config)
+    }
+}

