feat: add background task notification system (#827)

Co-authored-by: Letta <noreply@letta.com>

src/cli/components/InputRich.tsx

@@ -24,6 +24,7 @@ import { OPENAI_CODEX_PROVIDER_NAME } from "../../providers/openai-codex-provide
 import { ralphMode } from "../../ralph/mode";
 import { settingsManager } from "../../settings-manager";
 import { charsToTokens, formatCompact } from "../helpers/format";
+import type { QueuedMessage } from "../helpers/messageQueueBridge";
 import { useTerminalWidth } from "../hooks/useTerminalWidth";
 import { colors } from "./colors";
 import { InputAssist } from "./InputAssist";
@@ -236,7 +237,7 @@ export function Input({
   agentName?: string | null;
   currentModel?: string | null;
   currentModelProvider?: string | null;
-  messageQueue?: string[];
+  messageQueue?: QueuedMessage[];
   onEnterQueueEditMode?: () => void;
   onEscapeCancel?: () => void;
   ralphActive?: boolean;
@@ -548,7 +549,14 @@ export function Input({
         ) {
           setAtStartBoundary(false);
           // Clear the queue and load into input as one multi-line message
-          const queueText = messageQueue.join("\n");
+          const queueText = messageQueue
+            .filter((item) => item.kind === "user")
+            .map((item) => item.text.trim())
+            .filter((msg) => msg.length > 0)
+            .join("\n");
+          if (!queueText) {
+            return;
+          }
           setValue(queueText);
           // Signal to App.tsx to clear the queue
           if (onEnterQueueEditMode) {