refactor: remove unused code and fields

Co-authored-by: aider (openai/andrew/openrouter/qwen/qwen3-coder) <aider@aider.chat>

src/args.rs

@@ -163,24 +163,3 @@ impl FromStr for NumberOrString {
     }
 }
 
-/**
- * Struct for key-value pairs.
- */
-#[derive(Debug, Clone)]
-pub struct KeyValue {
-    pub key: String,
-    pub value: String,
-}
-
-impl FromStr for KeyValue {
-    type Err = Error;
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        match s.split_once('=') {
-            Some(kv) => Ok(KeyValue {
-                key: kv.0.to_string(),
-                value: kv.1.to_string(),
-            }),
-            None => Err(anyhow!("Unable to parse key=value pair")),
-        }
-    }
-}

src/modes/common.rs

@@ -106,9 +106,6 @@ pub fn get_format_box_chars_no_border_line_separator() -> TableFormat {
         .build()
 }
 
-pub fn get_digest_type_meta(digest_type: MetaPluginType) -> String {
-    format!("digest_{}", digest_type.to_string().to_lowercase())
-}
 
 
 

src/modes/server/common.rs

@@ -28,8 +28,6 @@ pub struct ServerConfig {
 pub struct AppState {
     pub db: Arc<Mutex<rusqlite::Connection>>,
     pub data_dir: PathBuf,
-    pub password: Option<String>,
-    pub password_hash: Option<String>,
 }
 
 #[derive(Serialize, Deserialize, ToSchema)]

src/services/error.rs

@@ -17,9 +17,6 @@ pub enum CoreError {
     #[error("Invalid input: {0}")]
     InvalidInput(String),
 
-    #[error("Configuration error: {0}")]
-    Config(String),
-
     #[error("Compression error: {0}")]
     Compression(String),