fix(app): filter non-renderable part types from browser store (#18926)

packages/app/src/context/global-sync/event-reducer.ts

@@ -15,6 +15,8 @@ import type { State, VcsCache } from "./types"
 import { trimSessions } from "./session-trim"
 import { dropSessionCaches } from "./session-cache"
 
+const SKIP_PARTS = new Set(["patch", "step-start", "step-finish"])
+
 export function applyGlobalEvent(input: {
   event: { type: string; properties?: unknown }
   project: Project[]
@@ -211,6 +213,7 @@ export function applyDirectoryEvent(input: {
     }
     case "message.part.updated": {
       const part = (event.properties as { part: Part }).part
+      if (SKIP_PARTS.has(part.type)) break
       const parts = input.store.part[part.messageID]
       if (!parts) {
         input.setStore("part", part.messageID, [part])