From c309aedc8c218dd92f164aa075d468c2c171f685 Mon Sep 17 00:00:00 2001
From: walioo <25835823+walioo@users.noreply.github.com>
Date: Thu, 19 Mar 2026 22:33:05 +0800
Subject: [PATCH] Fix invalid synthetic part IDs

---
 src/index.ts               | 6 +++---
 src/services/compaction.ts | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 7a5a441..56f4c34 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,7 +6,7 @@ import { supermemoryClient } from "./services/client.js";
 import { formatContextForPrompt } from "./services/context.js";
 import { getTags } from "./services/tags.js";
 import { stripPrivateContent, isFullyPrivate } from "./services/privacy.js";
-import { createCompactionHook, type CompactionContext } from "./services/compaction.js";
+import { createCompactionHook, generatePartId, type CompactionContext } from "./services/compaction.js";
 
 import { isConfigured, CONFIG } from "./config.js";
 import { log } from "./services/logger.js";
@@ -112,7 +112,7 @@ export const SupermemoryPlugin: Plugin = async (ctx: PluginInput) => {
         if (detectMemoryKeyword(userMessage)) {
           log("chat.message: memory keyword detected");
           const nudgePart: Part = {
-            id: `supermemory-nudge-${Date.now()}`,
+            id: generatePartId(),
             sessionID: input.sessionID,
             messageID: output.message.id,
             type: "text",
@@ -157,7 +157,7 @@ export const SupermemoryPlugin: Plugin = async (ctx: PluginInput) => {
 
           if (memoryContext) {
             const contextPart: Part = {
-              id: `supermemory-context-${Date.now()}`,
+              id: generatePartId(),
               sessionID: input.sessionID,
               messageID: output.message.id,
               type: "text",
diff --git a/src/services/compaction.ts b/src/services/compaction.ts
index 4701beb..da6679a 100644
--- a/src/services/compaction.ts
+++ b/src/services/compaction.ts
@@ -158,7 +158,7 @@ function generateMessageId(): string {
   return `msg_${timestamp}${random}`;
 }
 
-function generatePartId(): string {
+export function generatePartId(): string {
   const timestamp = Date.now().toString(16);
   const random = Math.random().toString(36).substring(2, 10);
   return `prt_${timestamp}${random}`;