docs: update architecture and design docs with proxy reconnect and deployment strategies

stub/src/main.rs

@@ -5,7 +5,7 @@ use tokio::io::AsyncBufReadExt;
 use tokio::sync::mpsc;
 
 #[derive(Parser)]
-#[command(name = "mcp-memory-stub", author, version, about = "Antigravity MCP Memory Stub / Proxy", long_about = None)]
+#[command(name = "mcp-memory-stub", author, version = env!("APP_VERSION"), about = "Antigravity MCP Memory Stub / Proxy", long_about = None)]
 struct Cli {
     /// Target URL for the stub to proxy messages to
     #[arg(long, default_value = "http://localhost:3000")]
@@ -20,15 +20,19 @@ async fn read_mcp_message(stdin: &mut tokio::io::BufReader<tokio::io::Stdin>) ->
     let mut length = 0;
     loop {
         let mut line = String::new();
-        if stdin.read_line(&mut line).await.unwrap_or(0) == 0 {
+        let bytes_read = stdin.read_line(&mut line).await.unwrap_or(0);
+        if bytes_read == 0 {
+            tracing::info!("stdin EOF reached");
             return None;
         }
+        tracing::info!("Read {} bytes from stdin: {:?}", bytes_read, line);
         let line = line.trim_end();
         if line.is_empty() {
             break;
         }
-        if let Some(len_str) = line.strip_prefix("Content-Length: ") {
-            length = len_str.parse().unwrap_or(0);
+        let lower_line = line.to_lowercase();
+        if let Some(len_str) = lower_line.strip_prefix("content-length:") {
+            length = len_str.trim().parse().unwrap_or(0);
         }
     }
     if length == 0 {