fix: Populate filter_plugins with available filter plugin names

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/common/status.rs

@@ -7,6 +7,7 @@ use crate::compression_engine::COMPRESSION_PROGRAMS;
 use crate::compression_engine::CompressionType;
 use crate::compression_engine::program::CompressionEngineProgram;
 use crate::meta_plugin::MetaPluginType;
+use crate::services::filter_service::get_available_filter_plugins;
 
 #[derive(serde::Serialize, serde::Deserialize, ToSchema)]
 pub struct StatusInfo {
@@ -143,7 +144,10 @@ pub fn generate_status_info(
         compression: compression_info,
         meta_plugins: meta_plugins_map,
         enabled_meta_plugins: enabled_meta_plugins_vec,
-        filter_plugins: Vec::new(), // Initialize with empty vector
+        filter_plugins: crate::services::filter_service::get_available_filter_plugins()
+            .keys()
+            .map(|name| name.clone())
+            .collect(),
         configured_meta_plugins: None,
     }
 }