fix(logs): sanitize strings and print the log message sent by mcp server (#2205)

* sanitize log level and data

* ouput server logs to user for transparency and progress tracking

* allow notification data to accept both string and json objects

* disable notification output to stdout

---------

Co-authored-by: Jayant Dabas <[email protected]>

Author: dabasjayant

crates/chat-cli/src/mcp_client/client.rs

@@ -379,11 +379,12 @@ where
                                         let level = params
                                             .as_ref()
                                             .and_then(|p| p.get("level"))
-                                            .and_then(|v| serde_json::to_string(v).ok());
-                                        let data = params
-                                            .as_ref()
-                                            .and_then(|p| p.get("data"))
-                                            .and_then(|v| serde_json::to_string(v).ok());
+                                            .and_then(|v| v.as_str())
+                                            .map(|s| s.to_string());
+                                        let data = params.as_ref().and_then(|p| p.get("data")).map(|v| match v {
+                                            serde_json::Value::String(s) => s.clone(),
+                                            _ => serde_json::to_string_pretty(v).unwrap_or_default(),
+                                        });
                                         if let (Some(level), Some(data)) = (level, data) {
                                             match level.to_lowercase().as_str() {
                                                 "error" => {