chore: Remove unused imports and dead code causing compiler warnings

fix_warnings.py

@@ -0,0 +1,40 @@
+import re
+
+# 1. Fix stub/src/main.rs
+stub_path = r'C:\Users\reazul.ashraf\workspace\rust\mcp-memory\stub\src\main.rs'
+with open(stub_path, 'r', encoding='utf-8') as f:
+    content = f.read()
+content = content.replace('use tokio::io::AsyncBufReadExt;\n', '')
+with open(stub_path, 'w', encoding='utf-8') as f:
+    f.write(content)
+
+# 2. Fix nvim-core/src/lib.rs
+nvim_path = r'C:\Users\reazul.ashraf\workspace\rust\mcp-memory\nvim-core\src\lib.rs'
+with open(nvim_path, 'r', encoding='utf-8') as f:
+    content = f.read()
+content = content.replace(
+    'use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};',
+    'use tokio::io::{AsyncReadExt, AsyncWriteExt};'
+)
+with open(nvim_path, 'w', encoding='utf-8') as f:
+    f.write(content)
+
+# 3. Fix server/src/store.rs
+store_path = r'C:\Users\reazul.ashraf\workspace\rust\mcp-memory\server\src\store.rs'
+with open(store_path, 'r', encoding='utf-8') as f:
+    content = f.read()
+
+inspect_method = """    pub fn inspect<F, R>(&self, f: F) -> R
+    where
+        F: FnOnce(&T) -> R,
+    {
+        let lock = self.cache.read().unwrap();
+        f(&lock)
+    }
+
+"""
+content = content.replace(inspect_method, "")
+with open(store_path, 'w', encoding='utf-8') as f:
+    f.write(content)
+
+print("Warnings fixed!")