From f5f318b7e4678ba5b7383d5cfcba06df27814618 Mon Sep 17 00:00:00 2001
From: Axel Delafosse <axeldelafosse@gmail.com>
Date: Thu, 26 Feb 2026 00:21:17 -0800
Subject: [PATCH] feat: broadcast user prompts to frontend observers

Fan out user-originated NDJSON messages to all connected frontend
WebSocket clients so observer UIs can render user prompts that are
not echoed back by the Claude SDK.
---
 src/loop/claude-sdk-server.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/loop/claude-sdk-server.ts b/src/loop/claude-sdk-server.ts
index e2242fc..dfdcf22 100644
--- a/src/loop/claude-sdk-server.ts
+++ b/src/loop/claude-sdk-server.ts
@@ -345,6 +345,9 @@ class ClaudeSdkClient {
     if (!isValidNdjson(text)) {
       return;
     }
+    // Fan out frontend-originated NDJSON so observer UIs can render
+    // user prompts that may not be echoed back by Claude.
+    this.broadcastToFrontends(text);
     this.ws?.send(text);
   }
 
@@ -589,12 +592,15 @@ class ClaudeSdkClient {
   }
 
   private sendUserMessage(content: string): void {
-    this.sendJson({
+    const payload = {
       type: "user",
       message: { role: "user", content },
       parent_tool_use_id: null,
       session_id: this.sessionId,
-    });
+    };
+    const raw = `${JSON.stringify(payload)}\n`;
+    this.broadcastToFrontends(raw);
+    this.ws?.send(raw);
   }
 
   private async runTurnExclusive(