feat(mcp): implement Prompts capability, Resources, and clean up daemon architecture

stub/tests/e2e.rs

@@ -63,7 +63,6 @@ async fn test_full_system_e2e_performance() {
     // 1. Start Server
     let _server = ChildGuard(
         Command::new(&server_exe)
-            .arg("--daemon")
             .env("MCP_PORT", test_port)
             .env("RUST_LOG", "debug")
             .env("MCP_MEMORY_STORE_DIR", temp_dir.to_str().unwrap())

stub/tests/negative_scenarios.rs

@@ -2,10 +2,17 @@ use std::process::Stdio;
 use std::time::{Duration, Instant};
 use tokio::process::Command;
 
+pub fn get_target_dir() -> std::path::PathBuf {
+    let mut exe = std::env::current_exe().unwrap();
+    exe.pop(); // remove test binary
+    if exe.ends_with("deps") {
+        exe.pop();
+    }
+    exe
+}
+
 fn get_stub_exe() -> std::path::PathBuf {
-    let manifest_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let debug_dir = manifest_dir.parent().unwrap().join("target").join("debug");
-    debug_dir.join(format!("mcp-memory-stub{}", std::env::consts::EXE_SUFFIX))
+    get_target_dir().join(format!("mcp-memory-stub{}", std::env::consts::EXE_SUFFIX))
 }
 
 #[tokio::test]