refactor: replace meta_name with MetaPluginType from strum

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

src/meta_plugin/binary.rs

@@ -126,8 +126,8 @@ impl MetaPlugin for BinaryMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.base.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::Binary
     }
     
     fn outputs(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {

src/meta_plugin/command.rs

@@ -9,7 +9,6 @@ pub struct MetaPluginCommand {
     pub program: String,
     pub args: Vec<String>,
     pub supported: bool,
-    pub meta_name: String,
     pub split_whitespace: bool,
     process: Option<Child>,
     writer: Option<Box<dyn Write>>,
@@ -67,7 +66,6 @@ impl MetaPluginCommand {
             program: program_path.map_or_else(|_| program.to_string(), |p| p.to_string_lossy().to_string()),
             args: args.iter().map(|s| s.to_string()).collect(),
             supported,
-            meta_name,
             split_whitespace,
             process: None,
             writer: None,
@@ -158,7 +156,7 @@ impl MetaPlugin for MetaPluginCommand {
 
                     // Use process_metadata_outputs to handle output mapping
                     if let Some(meta_data) = crate::meta_plugin::process_metadata_outputs(
-                        &self.meta_name, 
+                        &self.meta_type().to_string(), 
                         serde_yaml::Value::String(result), 
                         &self.outputs
                     ) {
@@ -192,8 +190,8 @@ impl MetaPlugin for MetaPluginCommand {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::Command
     }
     
     fn program_info(&self) -> Option<(&str, Vec<&str>)> {

src/meta_plugin/cwd.rs

@@ -69,8 +69,8 @@ impl MetaPlugin for CwdMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::Cwd
     }
     
     fn initialize(&mut self) -> crate::meta_plugin::MetaPluginResponse {

src/meta_plugin/digest.rs

@@ -218,8 +218,8 @@ impl MetaPlugin for DigestMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::Digest
     }
     
     fn outputs(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {

src/meta_plugin/hostname.rs

@@ -223,8 +223,8 @@ impl MetaPlugin for HostnameMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::Hostname
     }
     
     fn initialize(&mut self) -> crate::meta_plugin::MetaPluginResponse {

src/meta_plugin/keep_pid.rs

@@ -86,8 +86,8 @@ impl MetaPlugin for KeepPidMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::KeepPid
     }
     
     fn initialize(&mut self) -> crate::meta_plugin::MetaPluginResponse {

src/meta_plugin/magic.rs

@@ -207,8 +207,8 @@ impl MetaPlugin for MagicFileMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        "magic_file".to_string()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::MagicFile
     }
     
     

src/meta_plugin/mod.rs

@@ -185,9 +185,15 @@ pub fn process_metadata_outputs(internal_name: &str, value: serde_yaml::Value, o
 }
 
 pub trait MetaPlugin where Self: 'static {
+    fn meta_type(&self) -> MetaPluginType;
+    
+    // For backward compatibility, provide meta_name() that uses meta_type()
+    fn meta_name(&self) -> String {
+        self.meta_type().to_string()
+    }
+    
     fn is_supported(&self) -> bool {
         true
-    }
     
     fn is_internal(&self) -> bool {
         true
@@ -218,7 +224,7 @@ pub trait MetaPlugin where Self: 'static {
         }
     }
 
-    fn meta_name(&self) -> String;
+    fn meta_type(&self) -> MetaPluginType;
     
     // Get program information for display in status
     fn program_info(&self) -> Option<(&str, Vec<&str>)> {
@@ -294,7 +300,7 @@ pub fn get_meta_plugin(
             // For command type, we need to parse the command from options
             let mut program_name = String::new();
             let mut args = Vec::new();
-            let mut meta_name = "command".to_string();
+            let meta_name = MetaPluginType::Command.to_string();
             let mut split_whitespace = true;
             
             if let Some(opts) = &options {

src/meta_plugin/read_rate.rs

@@ -115,8 +115,8 @@ impl MetaPlugin for ReadRateMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::ReadRate
     }
     
     fn outputs(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {

src/meta_plugin/read_time.rs

@@ -108,8 +108,8 @@ impl MetaPlugin for ReadTimeMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::ReadTime
     }
     
     fn outputs(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {

src/meta_plugin/shell.rs

@@ -86,8 +86,8 @@ impl MetaPlugin for ShellMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::Shell
     }
     
     fn initialize(&mut self) -> crate::meta_plugin::MetaPluginResponse {

src/meta_plugin/shell_pid.rs

@@ -87,8 +87,8 @@ impl MetaPlugin for ShellPidMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::ShellPid
     }
     
     fn initialize(&mut self) -> crate::meta_plugin::MetaPluginResponse {

src/meta_plugin/text.rs

@@ -583,8 +583,8 @@ impl MetaPlugin for TextMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.base.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::Text
     }
     
     fn outputs(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {

src/meta_plugin/user.rs

@@ -71,8 +71,8 @@ impl MetaPlugin for UserMetaPlugin {
         }
     }
 
-    fn meta_name(&self) -> String {
-        self.base.meta_name.clone()
+    fn meta_type(&self) -> MetaPluginType {
+        MetaPluginType::User
     }
     
     fn outputs(&self) -> &std::collections::HashMap<String, serde_yaml::Value> {