Merge nucleic/mellow-glass-quail-hxmb into dev

NucleicRemote/NucleicRemote/Views/Transcript/TranscriptProjection.swift

@@ -385,6 +385,9 @@ enum TranscriptProjection {
         var topLevel: [AgentEvent] = []
         var byParent: [String: [AgentEvent]] = [:]
         for event in events {
+            // Older desktop builds persisted mesh coordination as synthetic userText. Keep those
+            // backend-only rows out of existing mobile transcripts as well as new deliveries.
+            if isLegacyMeshCoordinationInput(event) { continue }
             if let owner = subagentOwner(of: event, parentOf: parentOf) {
                 byParent[owner, default: []].append(event)
             } else {
@@ -394,6 +397,13 @@ enum TranscriptProjection {
         return (topLevel, byParent)
     }
 
+    private static func isLegacyMeshCoordinationInput(_ event: AgentEvent) -> Bool {
+        guard case .userText(let chunk) = event.kind,
+              let lineBreak = chunk.text.firstIndex(of: "\n") else { return false }
+        let header = chunk.text[..<lineBreak]
+        return header.hasPrefix("[Mesh message from ") && header.hasSuffix("]")
+    }
+
     /// Maps each tool-call id to its parent subagent's id, built from the call start/complete
     /// events. A tool *result* or *file change* names only a tool id, so it inherits its subagent
     /// scope from the call it belongs to via this map.