feat: remove croxy proxy and image cache features

src/domain/repository/image_cache.rs

@@ -1,19 +0,0 @@
-//! Repository trait for image cache (original → CDN mapping).
-
-use async_trait::async_trait;
-
-/// Repository for managing cached image URL mappings.
-#[async_trait]
-pub trait ImageCacheRepository: Send + Sync {
-    async fn get_from_redis(&self, key: &str) -> Option<String>;
-    async fn set_in_redis(&self, key: &str, value: &str, ttl: u64) -> Result<(), String>;
-    async fn get_from_db(&self, original_url: &str) -> Result<Option<String>, String>;
-    async fn save_to_db(&self, original_url: &str, cdn_url: &str) -> Result<(), String>;
-    async fn find_original_from_cdn(&self, cdn_url: &str) -> Result<Option<String>, String>;
-    async fn delete_from_db(&self, original_url: &str) -> Result<(), String>;
-    async fn delete_from_redis(&self, key: &str) -> Result<(), String>;
-    async fn get_lock(&self, key: &str) -> bool;
-    async fn set_lock(&self, key: &str, ttl: u64) -> Result<(), String>;
-    async fn release_lock(&self, key: &str) -> Result<(), String>;
-    async fn invalidate_api_caches(&self, patterns: Vec<&str>) -> Result<(), String>;
-}

src/domain/repository/mod.rs

@@ -1,5 +1,3 @@
-pub mod image_cache;
 pub mod scraping;
 
-pub use image_cache::ImageCacheRepository;
 pub use scraping::ScrapingRepository;