fix: remove unused imports and fix undefined behavior from mem::zeroed

Co-authored-by: aider (openai/andrew/openrouter/anthropic/claude-sonnet-4) <aider@aider.chat>

src/modes/server.rs

@@ -1,13 +1,13 @@
-use anyhow::{anyhow, Result};
+use anyhow::Result;
 use axum::{
     extract::{Path, Query, State},
     http::{HeaderMap, StatusCode},
     response::{Html, Json},
-    routing::{delete, get, put},
+    routing::get,
     Router,
 };
 use clap::Command;
-use log::{debug, info, warn};
+use log::{info, warn};
 use serde::{Deserialize, Serialize};
 use serde_json::json;
 use std::collections::HashMap;
@@ -18,8 +18,7 @@ use std::sync::Arc;
 use tokio::sync::Mutex;
 use tower_http::cors::CorsLayer;
 
-use crate::db::{self, Item, Tag, Meta};
-use crate::modes::common::{format_size, OutputFormat};
+use crate::db;
 use crate::Args;
 
 #[derive(Debug, Clone)]
@@ -78,7 +77,7 @@ struct TagsQuery {
 }
 
 pub fn mode_server(
-    cmd: &mut Command,
+    _cmd: &mut Command,
     args: &Args,
     conn: &mut rusqlite::Connection,
     data_path: PathBuf,
@@ -97,14 +96,17 @@ pub fn mode_server(
 
 async fn run_server(
     config: ServerConfig,
-    conn: &mut rusqlite::Connection,
+    _conn: &mut rusqlite::Connection,
     data_dir: PathBuf,
 ) -> Result<()> {
     info!("Starting REST HTTP server on {}", config.address);
     
-    // Move connection into Arc<Mutex<>> for sharing across async tasks
+    // Create a new database connection for the server
     // Note: This is a simplified approach. In production, you'd want a connection pool
-    let db_conn = Arc::new(Mutex::new(std::mem::replace(conn, unsafe { std::mem::zeroed() })));
+    let mut db_path = data_dir.clone();
+    db_path.push("keep-1.db");
+    let new_conn = crate::db::open(db_path)?;
+    let db_conn = Arc::new(Mutex::new(new_conn));
     
     let state = AppState {
         db: db_conn,