From 27b1a4fd9af52db5823593732f89c168c232a950 Mon Sep 17 00:00:00 2001
From: iliya <iliyazelenkog@gmail.com>
Date: Mon, 30 Mar 2026 19:07:16 +0300
Subject: [PATCH] fix(graph): filter system messages from particles + fix
 direction

- Skip idle_notification, shutdown, and other JSON system messages
  (was showing {"type":"idle_notificatio... as particle labels)
- Skip system_notification source messages
- Skip messages with < 3 chars
---
 .../agent-graph/adapters/TeamGraphAdapter.ts      | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/renderer/features/agent-graph/adapters/TeamGraphAdapter.ts b/src/renderer/features/agent-graph/adapters/TeamGraphAdapter.ts
index fb446754..97d0fdcf 100644
--- a/src/renderer/features/agent-graph/adapters/TeamGraphAdapter.ts
+++ b/src/renderer/features/agent-graph/adapters/TeamGraphAdapter.ts
@@ -494,6 +494,9 @@ export class TeamGraphAdapter {
       if (this.#seenMessageIds.has(msgKey)) continue;
       this.#seenMessageIds.add(msgKey);
 
+      // Skip system/noise messages (idle notifications, JSON blobs)
+      if (TeamGraphAdapter.#isSystemMessage(msg)) continue;
+
       const edgeId = TeamGraphAdapter.#resolveMessageEdge(msg, teamName, leadId, leadName, edges);
       if (!edgeId) continue;
 
@@ -691,6 +694,18 @@ export class TeamGraphAdapter {
     return `member:${teamName}:${name}`;
   }
 
+  /** Filter out system/noise messages that shouldn't show as particles */
+  static #isSystemMessage(msg: InboxMessage): boolean {
+    const text = msg.text ?? '';
+    // JSON system messages (idle_notification, shutdown, etc.)
+    if (text.startsWith('{"type":') || text.startsWith('{"type" :')) return true;
+    // Very short system messages
+    if (text.length < 3) return true;
+    // System notification source
+    if (msg.source === 'system_notification') return true;
+    return false;
+  }
+
   static #buildParticleLabel(
     text: string | undefined,
     kind: 'inbox' | 'comment',