core / Exports / PersistentSystemConversationHistory

Class: PersistentSystemConversationHistory

Conversation history implementation that maintains system messages

Implements

• ConversationHistory

Table of contents

Constructors

• constructor

Methods

• addMessage
• addUserMessage
• addAssistantMessage
• addSystemMessage
• addToolMessage
• getMessages
• getMessagesByRole
• getRecentMessages
• getMessageCount
• clear
• updateSystemPrompt
• getSystemPrompt

Constructors

constructor

• new PersistentSystemConversationHistory(systemPrompt, options?): PersistentSystemConversationHistory

Parameters

Name	Type
systemPrompt	string
options?	Object
options.maxMessages?	number

Returns

PersistentSystemConversationHistory

Defined in

conversation-history.ts:193

Methods

addMessage

▸ addMessage(message): void

Add message to conversation history

Parameters

Name	Type
message	UniversalMessage

Returns

void

Implementation of

ConversationHistory.addMessage

Defined in

conversation-history.ts:201

---

addUserMessage

▸ addUserMessage(content, metadata?): void

Add user message (convenience method)

Parameters

Name	Type
content	string
metadata?	Record<string, any>

Returns

void

Implementation of

ConversationHistory.addUserMessage

Defined in

conversation-history.ts:205

---

addAssistantMessage

▸ addAssistantMessage(content, functionCall?, metadata?): void

Add assistant message (convenience method)

Parameters

Name	Type
content	string
functionCall?	any
metadata?	Record<string, any>

Returns

void

Implementation of

ConversationHistory.addAssistantMessage

Defined in

conversation-history.ts:209

---

addSystemMessage

▸ addSystemMessage(content, metadata?): void

Add system message (convenience method)

Parameters

Name	Type
content	string
metadata?	Record<string, any>

Returns

void

Implementation of

ConversationHistory.addSystemMessage

Defined in

conversation-history.ts:213

---

addToolMessage

▸ addToolMessage(toolResult, metadata?): void

Add tool execution result message (convenience method)

Parameters

Name	Type
toolResult	FunctionCallResult
metadata?	Record<string, any>

Returns

void

Implementation of

ConversationHistory.addToolMessage

Defined in

conversation-history.ts:217

---

getMessages

▸ getMessages(): UniversalMessage[]

Get all messages

Returns

UniversalMessage[]

Implementation of

ConversationHistory.getMessages

Defined in

conversation-history.ts:221

---

getMessagesByRole

▸ getMessagesByRole(role): UniversalMessage[]

Get messages by specific role

Parameters

Name	Type
role	UniversalMessageRole

Returns

UniversalMessage[]

Implementation of

ConversationHistory.getMessagesByRole

Defined in

conversation-history.ts:225

---

getRecentMessages

▸ getRecentMessages(count): UniversalMessage[]

Get recent n messages

Parameters

Name	Type
count	number

Returns

UniversalMessage[]

Implementation of

ConversationHistory.getRecentMessages

Defined in

conversation-history.ts:229

---

getMessageCount

▸ getMessageCount(): number

Return message count

Returns

number

Implementation of

ConversationHistory.getMessageCount

Defined in

conversation-history.ts:233

---

clear

▸ clear(): void

Clear conversation history

Returns

void

Implementation of

ConversationHistory.clear

Defined in

conversation-history.ts:237

---

updateSystemPrompt

▸ updateSystemPrompt(systemPrompt): void

Update system prompt

Parameters

Name	Type
systemPrompt	string

Returns

void

Defined in

conversation-history.ts:246

---

getSystemPrompt

▸ getSystemPrompt(): string

Return current system prompt

Returns

string

Defined in

conversation-history.ts:265