Fix directory structure:

- Move code to root directory
- Fix module declarations
- All tests passing

Author: codevalley

jump/Cargo.toml Cargo.tomljump/Cargo.toml renamed to Cargo.toml

@@ -21,6 +21,7 @@ serde_json = "1.0"
 
 # Validation
 validator = { version = "0.16", features = ["derive"] }
+regex = "1.10"
 
 # Logging and tracing
 tracing = "0.1"
@@ -35,6 +36,7 @@ anyhow = "1.0"
 chrono = { version = "0.4", features = ["serde"] }
 uuid = { version = "1.4", features = ["v4", "serde"] }
 async-trait = "0.1"
+lazy_static = "1.4"
 
 # Configuration
 config = "0.13"

jump/src/api/mod.rs

@@ -0,0 +1,10 @@
+//! API layer implementation.
+//!
+//! This module contains the API implementation including:
+//! - API versioning
+//! - Route definitions
+//! - Request handlers
+//! - Middleware
+//! - Response types
+
+pub mod v1;

jump/src/api/v1/mod.rs

@@ -0,0 +1,7 @@
+//! API v1 implementation.
+//!
+//! This module contains the v1 API implementation including:
+//! - Route definitions
+//! - Request handlers
+//! - Middleware
+//! - Response types

jump/src/infrastructure/mod.rs

@@ -9,9 +9,16 @@
 //! from the external interface.
 
 use chrono::{DateTime, Utc};
+use lazy_static::lazy_static;
+use regex::Regex;
 use serde::{Deserialize, Serialize};
 use validator::Validate;
 
+lazy_static! {
+    /// Regular expression for validating MIME types
+    static ref MIME_TYPE_REGEX: Regex = Regex::new(r"^[a-z]+/[a-z0-9.+-]+$").unwrap();
+}
+
 /// Request DTO for creating a new payload.
 /// 
 /// This struct represents the expected JSON structure for POST /api/v1/payloads
@@ -111,9 +118,6 @@ pub struct ErrorResponse {
     pub retry_after: Option<i32>,
 }
 
-/// Regular expression for validating MIME types
-static MIME_TYPE_REGEX: &str = r"^[a-z]+/[a-z0-9.+-]+$";
-
 #[cfg(test)]
 mod tests {
     use super::*;

src/api/mod.rs

@@ -9,7 +9,6 @@
 //! They encapsulate all business rules and coordinate between different parts of the system.
 
 use async_trait::async_trait;
-use chrono::Utc;
 use std::sync::Arc;
 use thiserror::Error;
 use validator::Validate;
@@ -218,8 +217,14 @@ mod tests {
 
     #[tokio::test]
     async fn test_create_payload_success() {
-        let repository = Arc::new(MockRepository::new());
-        let use_case = CreatePayloadUseCaseImpl::new(repository);
+        let mut repository = MockRepository::new();
+        
+        // Setup mock repository to expect save call
+        repository
+            .expect_save()
+            .returning(|_| Ok(()));
+
+        let use_case = CreatePayloadUseCaseImpl::new(Arc::new(repository));
 
         let request = CreatePayloadRequest {
             content: "Test content".to_string(),