diff --git a/src-tauri/src/git/mod.rs b/src-tauri/src/git/mod.rs
index 2fa4b684..2d47a1ca 100644
--- a/src-tauri/src/git/mod.rs
+++ b/src-tauri/src/git/mod.rs
@@ -101,7 +101,10 @@ fn run_git(dir: &Path, args: &[&str]) -> Result<(), String> {
 
 /// Set local user.name and user.email if not already configured.
 fn ensure_author_config(dir: &Path) -> Result<(), String> {
-    for (key, fallback) in [("user.name", "Tolaria"), ("user.email", "vault@tolaria.app")] {
+    for (key, fallback) in [
+        ("user.name", "Tolaria"),
+        ("user.email", "vault@tolaria.app"),
+    ] {
         let check = Command::new("git")
             .args(["config", key])
             .current_dir(dir)
diff --git a/src-tauri/src/mcp.rs b/src-tauri/src/mcp.rs
index bd3b78f5..298a8679 100644
--- a/src-tauri/src/mcp.rs
+++ b/src-tauri/src/mcp.rs
@@ -53,7 +53,11 @@ fn fallback_node_path() -> Option<PathBuf> {
                 .collect::<Vec<_>>();
             versions.sort();
             versions.reverse();
-            candidates.extend(versions.into_iter().map(|version| version.join("bin").join("node")));
+            candidates.extend(
+                versions
+                    .into_iter()
+                    .map(|version| version.join("bin").join("node")),
+            );
         }
     }
 
@@ -271,7 +275,10 @@ mod tests {
 
         let raw = std::fs::read_to_string(&config_path).unwrap();
         let config: serde_json::Value = serde_json::from_str(&raw).unwrap();
-        assert_eq!(config["mcpServers"][MCP_SERVER_NAME]["args"][0], "/test/index.js");
+        assert_eq!(
+            config["mcpServers"][MCP_SERVER_NAME]["args"][0],
+            "/test/index.js"
+        );
         assert_eq!(
             config["mcpServers"][MCP_SERVER_NAME]["env"]["VAULT_PATH"],
             "/test/vault"
@@ -321,7 +328,10 @@ mod tests {
         let raw = std::fs::read_to_string(&config_path).unwrap();
         let config: serde_json::Value = serde_json::from_str(&raw).unwrap();
         assert!(config["mcpServers"][LEGACY_MCP_SERVER_NAME].is_null());
-        assert_eq!(config["mcpServers"][MCP_SERVER_NAME]["args"][0], "/test/index.js");
+        assert_eq!(
+            config["mcpServers"][MCP_SERVER_NAME]["args"][0],
+            "/test/index.js"
+        );
     }
 
     #[test]
@@ -424,7 +434,10 @@ mod tests {
 
         let raw = std::fs::read_to_string(&claude_cfg).unwrap();
         let config: serde_json::Value = serde_json::from_str(&raw).unwrap();
-        assert_eq!(config["mcpServers"][MCP_SERVER_NAME]["args"][0], "/test/index.js");
+        assert_eq!(
+            config["mcpServers"][MCP_SERVER_NAME]["args"][0],
+            "/test/index.js"
+        );
     }
     #[test]
     fn upsert_returns_error_for_invalid_json() {
diff --git a/src-tauri/src/settings.rs b/src-tauri/src/settings.rs
index 08932b15..3273b542 100644
--- a/src-tauri/src/settings.rs
+++ b/src-tauri/src/settings.rs
@@ -18,8 +18,7 @@ pub struct Settings {
 }
 
 fn app_config_dir() -> Result<PathBuf, String> {
-    dirs::config_dir()
-        .ok_or_else(|| "Could not determine config directory".to_string())
+    dirs::config_dir().ok_or_else(|| "Could not determine config directory".to_string())
 }
 
 fn preferred_app_config_path(file_name: &str) -> Result<PathBuf, String> {
@@ -32,7 +31,9 @@ fn resolve_existing_or_preferred_app_config_path(file_name: &str) -> Result<Path
         return Ok(preferred);
     }
 
-    let legacy = app_config_dir()?.join(LEGACY_APP_CONFIG_DIR).join(file_name);
+    let legacy = app_config_dir()?
+        .join(LEGACY_APP_CONFIG_DIR)
+        .join(file_name);
     if legacy.exists() {
         return Ok(legacy);
     }
@@ -282,7 +283,11 @@ mod tests {
     fn test_preferred_settings_path_uses_tolaria_namespace() {
         let result = preferred_app_config_path("settings.json");
         assert!(result.is_ok());
-        assert!(result.unwrap().to_str().unwrap().contains("com.tolaria.app"));
+        assert!(result
+            .unwrap()
+            .to_str()
+            .unwrap()
+            .contains("com.tolaria.app"));
     }
 
     #[test]
diff --git a/src-tauri/src/vault_list.rs b/src-tauri/src/vault_list.rs
index ce8c70df..e2de6a92 100644
--- a/src-tauri/src/vault_list.rs
+++ b/src-tauri/src/vault_list.rs
@@ -20,8 +20,7 @@ pub struct VaultList {
 }
 
 fn app_config_dir() -> Result<PathBuf, String> {
-    dirs::config_dir()
-        .ok_or_else(|| "Could not determine config directory".to_string())
+    dirs::config_dir().ok_or_else(|| "Could not determine config directory".to_string())
 }
 
 fn preferred_app_config_path(file_name: &str) -> Result<PathBuf, String> {
@@ -34,7 +33,9 @@ fn resolve_existing_or_preferred_app_config_path(file_name: &str) -> Result<Path
         return Ok(preferred);
     }
 
-    let legacy = app_config_dir()?.join(LEGACY_APP_CONFIG_DIR).join(file_name);
+    let legacy = app_config_dir()?
+        .join(LEGACY_APP_CONFIG_DIR)
+        .join(file_name);
     if legacy.exists() {
         return Ok(legacy);
     }
@@ -164,7 +165,11 @@ mod tests {
     fn preferred_vault_list_path_uses_tolaria_namespace() {
         let result = preferred_app_config_path("vaults.json");
         assert!(result.is_ok());
-        assert!(result.unwrap().to_str().unwrap().contains("com.tolaria.app"));
+        assert!(result
+            .unwrap()
+            .to_str()
+            .unwrap()
+            .contains("com.tolaria.app"));
     }
 
     #[test]