diff --git a/src/modes/diff.rs b/src/modes/diff.rs
index e2f1943..cfb3ed7 100644
--- a/src/modes/diff.rs
+++ b/src/modes/diff.rs
@@ -77,6 +77,7 @@ fn setup_diff_paths_and_compression(
 fn setup_diff_pipes() -> Result<((libc::c_int, libc::c_int), (libc::c_int, libc::c_int)), anyhow::Error> {
     use nix::unistd::pipe;
     use nix::Error as NixError;
+    use std::os::fd::IntoRawFd;
 
     // Create pipes for diff's input
     let (fd_a_read, fd_a_write) = pipe()
@@ -84,7 +85,7 @@ fn setup_diff_pipes() -> Result<((libc::c_int, libc::c_int), (libc::c_int, libc:
     let (fd_b_read, fd_b_write) = pipe()
         .map_err(|e: NixError| anyhow::anyhow!("Failed to create pipe B: {}", e))?;
 
-    Ok(((fd_a_read, fd_a_write), (fd_b_read, fd_b_write)))
+    Ok(((fd_a_read.into_raw_fd(), fd_a_write.into_raw_fd()), (fd_b_read.into_raw_fd(), fd_b_write.into_raw_fd())))
 }
 
 
diff --git a/src/modes/server/api/item.rs b/src/modes/server/api/item.rs
index 8ec35ef..d7da66f 100644
--- a/src/modes/server/api/item.rs
+++ b/src/modes/server/api/item.rs
@@ -169,7 +169,7 @@ pub async fn handle_post_item(
         (status = 500, description = "Internal server error")
     ),
     params(
-        ("item_id" = String, Path, description = "ID of the item to delete")
+        ("item_id" = i64, Path, description = "ID of the item to delete")
     ),
     security(
         ("bearerAuth" = [])
@@ -292,7 +292,7 @@ pub async fn handle_get_item_latest(
         (status = 500, description = "Internal server error")
     ),
     params(
-        ("item_id" = String, Path, description = "ID of the item to retrieve")
+        ("item_id" = i64, Path, description = "ID of the item to retrieve")
     ),
     security(
         ("bearerAuth" = [])
@@ -300,7 +300,7 @@ pub async fn handle_get_item_latest(
 )]
 pub async fn handle_get_item(
     State(state): State<AppState>,
-    Path(item_id): Path<String>,
+    Path(item_id): Path<i64>,
     headers: HeaderMap,
     ConnectInfo(addr): ConnectInfo<SocketAddr>,
 ) -> Result<Json<ApiResponse<String>>, StatusCode> {
@@ -309,43 +309,39 @@ pub async fn handle_get_item(
         return Err(StatusCode::UNAUTHORIZED);
     }
     
-    if let Ok(id) = item_id.parse::<i64>() {
-        // Validate that item ID is positive to prevent path traversal issues
-        if id <= 0 {
-            warn!("Invalid item ID {} from {}", id, addr);
-            return Err(StatusCode::BAD_REQUEST);
-        }
-        
-        let mut conn = state.db.lock().await;
-        
-        if let Some(item) = db::get_item(&mut *conn, id).map_err(|e| {
-            warn!("Failed to get item {} for content: {}", id, e);
-            StatusCode::INTERNAL_SERVER_ERROR
-        })? {
-            match get_item_content(&item, &state.data_dir).await {
-                Ok(content) => {
-                    let response = ApiResponse {
-                        success: true,
-                        data: Some(content),
-                        error: None,
-                    };
-                    Ok(Json(response))
-                }
-                Err(e) => {
-                    warn!("Failed to get content for item {}: {}", id, e);
-                    let response = ApiResponse::<String> {
-                        success: false,
-                        data: None,
-                        error: Some(format!("Failed to retrieve content: {}", e)),
-                    };
-                    Ok(Json(response))
-                }
+    // Validate that item ID is positive to prevent path traversal issues
+    if item_id <= 0 {
+        warn!("Invalid item ID {} from {}", item_id, addr);
+        return Err(StatusCode::BAD_REQUEST);
+    }
+    
+    let mut conn = state.db.lock().await;
+    
+    if let Some(item) = db::get_item(&mut *conn, item_id).map_err(|e| {
+        warn!("Failed to get item {} for content: {}", item_id, e);
+        StatusCode::INTERNAL_SERVER_ERROR
+    })? {
+        match get_item_content(&item, &state.data_dir).await {
+            Ok(content) => {
+                let response = ApiResponse {
+                    success: true,
+                    data: Some(content),
+                    error: None,
+                };
+                Ok(Json(response))
+            }
+            Err(e) => {
+                warn!("Failed to get content for item {}: {}", item_id, e);
+                let response = ApiResponse::<String> {
+                    success: false,
+                    data: None,
+                    error: Some(format!("Failed to retrieve content: {}", e)),
+                };
+                Ok(Json(response))
             }
-        } else {
-            Err(StatusCode::NOT_FOUND)
         }
     } else {
-        Err(StatusCode::BAD_REQUEST)
+        Err(StatusCode::NOT_FOUND)
     }
 }
 
@@ -422,7 +418,7 @@ pub async fn handle_get_item_latest_content(
         (status = 500, description = "Internal server error")
     ),
     params(
-        ("item_id" = String, Path, description = "ID of the item to retrieve")
+        ("item_id" = i64, Path, description = "ID of the item to retrieve")
     ),
     security(
         ("bearerAuth" = [])
@@ -430,7 +426,7 @@ pub async fn handle_get_item_latest_content(
 )]
 pub async fn handle_get_item_content(
     State(state): State<AppState>,
-    Path(item_id): Path<String>,
+    Path(item_id): Path<i64>,
     headers: HeaderMap,
     ConnectInfo(addr): ConnectInfo<SocketAddr>,
 ) -> Result<Response, StatusCode> {
@@ -439,38 +435,34 @@ pub async fn handle_get_item_content(
         return Err(StatusCode::UNAUTHORIZED);
     }
     
-    if let Ok(id) = item_id.parse::<i64>() {
-        // Validate that item ID is positive to prevent path traversal issues
-        if id <= 0 {
-            warn!("Invalid item ID {} from {}", id, addr);
-            return Err(StatusCode::BAD_REQUEST);
-        }
-        
-        let mut conn = state.db.lock().await;
-        
-        if let Some(item) = db::get_item(&mut *conn, id).map_err(|e| {
-            warn!("Failed to get item {} for content: {}", id, e);
-            StatusCode::INTERNAL_SERVER_ERROR
-        })? {
-            match get_item_raw_content(&item, &state.data_dir, &mut *conn).await {
-                Ok((content, mime_type)) => {
-                    let mut response = content.into_response();
-                    response.headers_mut().insert(
-                        header::CONTENT_TYPE,
-                        mime_type.parse().map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?
-                    );
-                    Ok(response)
-                }
-                Err(e) => {
-                    warn!("Failed to get raw content for item {}: {}", id, e);
-                    Err(StatusCode::INTERNAL_SERVER_ERROR)
-                }
+    // Validate that item ID is positive to prevent path traversal issues
+    if item_id <= 0 {
+        warn!("Invalid item ID {} from {}", item_id, addr);
+        return Err(StatusCode::BAD_REQUEST);
+    }
+    
+    let mut conn = state.db.lock().await;
+    
+    if let Some(item) = db::get_item(&mut *conn, item_id).map_err(|e| {
+        warn!("Failed to get item {} for content: {}", item_id, e);
+        StatusCode::INTERNAL_SERVER_ERROR
+    })? {
+        match get_item_raw_content(&item, &state.data_dir, &mut *conn).await {
+            Ok((content, mime_type)) => {
+                let mut response = content.into_response();
+                response.headers_mut().insert(
+                    header::CONTENT_TYPE,
+                    mime_type.parse().map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?
+                );
+                Ok(response)
+            }
+            Err(e) => {
+                warn!("Failed to get raw content for item {}: {}", item_id, e);
+                Err(StatusCode::INTERNAL_SERVER_ERROR)
             }
-        } else {
-            Err(StatusCode::NOT_FOUND)
         }
     } else {
-        Err(StatusCode::BAD_REQUEST)
+        Err(StatusCode::NOT_FOUND)
     }
 }
 
@@ -603,7 +595,7 @@ pub async fn handle_get_item_latest_meta(
         (status = 500, description = "Internal server error")
     ),
     params(
-        ("item_id" = String, Path, description = "ID of the item to retrieve metadata for")
+        ("item_id" = i64, Path, description = "ID of the item to retrieve metadata for")
     ),
     security(
         ("bearerAuth" = [])
@@ -611,7 +603,7 @@ pub async fn handle_get_item_latest_meta(
 )]
 pub async fn handle_get_item_meta(
     State(state): State<AppState>,
-    Path(item_id): Path<String>,
+    Path(item_id): Path<i64>,
     headers: HeaderMap,
     ConnectInfo(addr): ConnectInfo<SocketAddr>,
 ) -> Result<Json<ApiResponse<HashMap<String, String>>>, StatusCode> {
@@ -620,34 +612,30 @@ pub async fn handle_get_item_meta(
         return Err(StatusCode::UNAUTHORIZED);
     }
     
-    if let Ok(id) = item_id.parse::<i64>() {
-        let mut conn = state.db.lock().await;
+    let mut conn = state.db.lock().await;
+    
+    if let Some(item) = db::get_item(&mut *conn, item_id).map_err(|e| {
+        warn!("Failed to get item {} for meta: {}", item_id, e);
+        StatusCode::INTERNAL_SERVER_ERROR
+    })? {
+        let item_meta = db::get_item_meta(&mut *conn, &item)
+            .map_err(|e| {
+                warn!("Failed to get metadata for item {}: {}", item_id, e);
+                StatusCode::INTERNAL_SERVER_ERROR
+            })?
+            .into_iter()
+            .map(|m| (m.name, m.value))
+            .collect();
         
-        if let Some(item) = db::get_item(&mut *conn, id).map_err(|e| {
-            warn!("Failed to get item {} for meta: {}", id, e);
-            StatusCode::INTERNAL_SERVER_ERROR
-        })? {
-            let item_meta = db::get_item_meta(&mut *conn, &item)
-                .map_err(|e| {
-                    warn!("Failed to get metadata for item {}: {}", id, e);
-                    StatusCode::INTERNAL_SERVER_ERROR
-                })?
-                .into_iter()
-                .map(|m| (m.name, m.value))
-                .collect();
-            
-            let response = ApiResponse {
-                success: true,
-                data: Some(item_meta),
-                error: None,
-            };
-            
-            Ok(Json(response))
-        } else {
-            Err(StatusCode::NOT_FOUND)
-        }
+        let response = ApiResponse {
+            success: true,
+            data: Some(item_meta),
+            error: None,
+        };
+        
+        Ok(Json(response))
     } else {
-        Err(StatusCode::BAD_REQUEST)
+        Err(StatusCode::NOT_FOUND)
     }
 }