MessageId changed in DB || CHATROUTE

AgentMemory

`md
## Message ID mismatch in Mastra chatRoute

Hi 👋 I’m using a basic agent:

`md
## Message ID mismatch in Mastra chatRoute

Hi 👋 I’m using a basic agent:

ts
export const basicAgent = new Agent({
name: 'Basic Agent',
instructions:

You are a helpful assistant. Be friendly and concise.

You are a helpful assistant. Be friendly and concise.

,
});

Wrapped with:

Wrapped with:

ts
chatRoute({ path:'/ai/chatbot/basic/basic-chat', agent:'basicAgent' });

### Request

### Request

json
{
"messages":[{"parts":[{"type":"text","text":"how are you"}],"role":"user","id":"test121113"}],
"memory":{"thread":"thread-1770790680473-rro2qahmo","resource":"804939"}
}

User message ID is stored correctly in DB.

### Stream response

User message ID is stored correctly in DB.

### Stream response

data: {"type":"start","messageId":"RnL2wqzCLG1AsrSb"}
...
data: [DONE]

### DB assistant record

### DB assistant record

json
{
"id":"010da483-69a1-4e1c-8376-d60b3a54b66e",
"role":"assistant",
"thread_id":"thread-1770790680473-rro2qahsm",
"type":"v2"
}

The streamed `messageId` does NOT exist in DB; DB uses a UUID instead.

### Questions
1. Is streamed `messageId` just a runtime AI SDK ID?
2. Is it expected that it’s not persisted?
3. What’s the correct way to get a stable assistant message ID for frontend reconciliation?
4. Can we override/hook assistant message ID before persistence?

### Versions

The streamed `messageId` does NOT exist in DB; DB uses a UUID instead.

### Questions
1. Is streamed `messageId` just a runtime AI SDK ID?
2. Is it expected that it’s not persisted?
3. What’s the correct way to get a stable assistant message ID for frontend reconciliation?
4. Can we override/hook assistant message ID before persistence?

### Versions

json
{
"@ai-sdk/azure":"^2.0.88",
"@mastra/ai-sdk":"^0.3.3",
"@mastra/core":"^0.24.9",
"@mastra/memory":"^0.15.13",
"@mastra/mongodb":"^0.14.11"
}

@Mastra Triager

Mastra•5w ago•

8 replies

testbuilder

MessageId changed in DB || CHATROUTE

AgentMemory

`md
## Message ID mismatch in Mastra chatRoute

Hi 👋 I’m using a basic agent:

`md
## Message ID mismatch in Mastra chatRoute

Hi 👋 I’m using a basic agent:

ts
export const basicAgent = new Agent({
name: 'Basic Agent',
instructions:

You are a helpful assistant. Be friendly and concise.

You are a helpful assistant. Be friendly and concise.

,
});

Wrapped with:

Wrapped with:

ts
chatRoute({ path:'/ai/chatbot/basic/basic-chat', agent:'basicAgent' });

### Request

### Request

json
{
"messages":[{"parts":[{"type":"text","text":"how are you"}],"role":"user","id":"test121113"}],
"memory":{"thread":"thread-1770790680473-rro2qahmo","resource":"804939"}
}

User message ID is stored correctly in DB.

### Stream response

User message ID is stored correctly in DB.

### Stream response

data: {"type":"start","messageId":"RnL2wqzCLG1AsrSb"}
...
data: [DONE]

### DB assistant record

### DB assistant record

json
{
"id":"010da483-69a1-4e1c-8376-d60b3a54b66e",
"role":"assistant",
"thread_id":"thread-1770790680473-rro2qahsm",
"type":"v2"
}

The streamed `messageId` does NOT exist in DB; DB uses a UUID instead.

### Questions
1. Is streamed `messageId` just a runtime AI SDK ID?
2. Is it expected that it’s not persisted?
3. What’s the correct way to get a stable assistant message ID for frontend reconciliation?
4. Can we override/hook assistant message ID before persistence?

### Versions

The streamed `messageId` does NOT exist in DB; DB uses a UUID instead.

### Questions
1. Is streamed `messageId` just a runtime AI SDK ID?
2. Is it expected that it’s not persisted?
3. What’s the correct way to get a stable assistant message ID for frontend reconciliation?
4. Can we override/hook assistant message ID before persistence?

### Versions

json
{
"@ai-sdk/azure":"^2.0.88",
"@mastra/ai-sdk":"^0.3.3",
"@mastra/core":"^0.24.9",
"@mastra/memory":"^0.15.13",
"@mastra/mongodb":"^0.14.11"
}

@Mastra Triager

MessageId changed in DB || CHATROUTE

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