fix(channels): interrupt in-flight telegram requests on newer sender messages

src/config/mod.rs

@@ -36,6 +36,7 @@ mod tests {
             allowed_users: vec!["alice".into()],
             stream_mode: StreamMode::default(),
             draft_update_interval_ms: 1000,
+            interrupt_on_new_message: false,
             mention_only: false,
         };
 

src/config/schema.rs

@@ -2125,6 +2125,10 @@ pub struct TelegramConfig {
     /// Minimum interval (ms) between draft message edits to avoid rate limits.
     #[serde(default = "default_draft_update_interval_ms")]
     pub draft_update_interval_ms: u64,
+    /// When true, a newer Telegram message from the same sender in the same chat
+    /// cancels the in-flight request and starts a fresh response with preserved history.
+    #[serde(default)]
+    pub interrupt_on_new_message: bool,
     /// When true, only respond to messages that @-mention the bot in groups.
     /// Direct messages are always processed.
     #[serde(default)]
@@ -3520,6 +3524,7 @@ default_temperature = 0.7
                     allowed_users: vec!["user1".into()],
                     stream_mode: StreamMode::default(),
                     draft_update_interval_ms: default_draft_update_interval_ms(),
+                    interrupt_on_new_message: false,
                     mention_only: false,
                 }),
                 discord: None,
@@ -3852,6 +3857,7 @@ tool_dispatcher = "xml"
             allowed_users: vec!["alice".into(), "bob".into()],
             stream_mode: StreamMode::Partial,
             draft_update_interval_ms: 500,
+            interrupt_on_new_message: true,
             mention_only: false,
         };
         let json = serde_json::to_string(&tc).unwrap();
@@ -3860,6 +3866,7 @@ tool_dispatcher = "xml"
         assert_eq!(parsed.allowed_users.len(), 2);
         assert_eq!(parsed.stream_mode, StreamMode::Partial);
         assert_eq!(parsed.draft_update_interval_ms, 500);
+        assert!(parsed.interrupt_on_new_message);
     }
 
     #[test]
@@ -3868,6 +3875,7 @@ tool_dispatcher = "xml"
         let parsed: TelegramConfig = serde_json::from_str(json).unwrap();
         assert_eq!(parsed.stream_mode, StreamMode::Off);
         assert_eq!(parsed.draft_update_interval_ms, 1000);
+        assert!(!parsed.interrupt_on_new_message);
     }
 
     #[test]