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 Go to latest Published: Feb 2, 2026 License: MIT Imports: 18 Imported by: 0

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Constants

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Variables

This section is empty.

Functions

func BuildAgentDiscoveryContext 

func BuildAgentDiscoveryContext(agents []config.AgentInfo) string

BuildAgentDiscoveryContext builds context about available peer agents for collaboration

func BuildSystemPrompt 

func BuildSystemPrompt(llmConfig config.LLMConfig, agentName, agentDescription string) string

BuildSystemPrompt builds the complete system prompt with dynamic context

func BuildSystemPromptWithConfig 

func BuildSystemPromptWithConfig(llmConfig config.LLMConfig, agentName, agentDescription string, mcpConfig *config.MCPConfig, tasksConfig *config.TasksConfig, schedulerConfig *config.SchedulerConfig, system interface{}, availableAgents []config.AgentInfo) string

BuildSystemPromptWithConfig builds the complete system prompt with all configuration context

func BuildSystemPromptWithMCP 

func BuildSystemPromptWithMCP(llmConfig config.LLMConfig, agentName, agentDescription string, mcpConfig *config.MCPConfig) string

BuildSystemPromptWithMCP builds the complete system prompt with dynamic context and MCP credentials

func BuildTaskManagementContext 

func BuildTaskManagementContext(tasksConfig *config.TasksConfig, schedulerConfig *config.SchedulerConfig) string

BuildTaskManagementContext builds context about task management capabilities

func EstimateTokens 

func EstimateTokens(text string) int

EstimateTokens estimates the number of tokens for a given text Uses a simple heuristic: ~4 characters per token (average for English text) This is a rough approximation that works across different LLM providers

func EstimateTokensFromInterface 

func EstimateTokensFromInterface(content interface{}) int

EstimateTokensFromInterface estimates tokens from various content types

func EstimateToolDefinitionsTokens 

func EstimateToolDefinitionsTokens(customTools []tools.ToolDefinition, builtinTools []interface{}) int

EstimateToolDefinitionsTokens estimates tokens for tool definitions

func GetMaxConcurrent 

func GetMaxConcurrent() int

GetMaxConcurrent returns the max concurrent tool executions from config

func IsParallelToolsEnabled 

func IsParallelToolsEnabled() bool

IsParallelToolsEnabled checks if parallel tools are enabled in config

func UnifiedStreamResponse 

func UnifiedStreamResponse(w http.ResponseWriter, rawReader io.Reader, processor StreamProcessor) error

UnifiedStreamResponse processes a raw stream and outputs unified format

func UnifiedToolConversation 

func UnifiedToolConversation(w http.ResponseWriter, provider Provider, processor StreamProcessor, messages []Message, toolDefs []tools.ToolDefinition, messageSaver MessageSaver, threadID string, model *string) error

UnifiedToolConversation - backwards compatible version

func UnifiedToolConversationWithBuiltins 

func UnifiedToolConversationWithBuiltins(w http.ResponseWriter, provider Provider, processor StreamProcessor, messages []Message, customTools []tools.ToolDefinition, builtinTools []interface{}, messageSaver MessageSaver, threadID string, model *string, fileProcessor FileProcessor, taskID string) error

UnifiedToolConversationWithBuiltins handles a complete conversation with tool execution and message saving

func UnifiedToolConversationWithContext 

func UnifiedToolConversationWithContext(ctx context.Context, w http.ResponseWriter, provider Provider, processor StreamProcessor, messages []Message, customTools []tools.ToolDefinition, builtinTools []interface{}, messageSaver MessageSaver, threadID string, requestID string, model *string, fileProcessor FileProcessor, taskID string) error

UnifiedToolConversationWithContext is like UnifiedToolConversationWithBuiltins but accepts a context for cancellation

Types

type AnthropicContentBlock 

type AnthropicContentBlock struct {
	Type      string                 `json:"type"` // "text", "tool_use", "server_tool_use", "web_search_tool_result", "web_fetch_tool_result"
	ID        string                 `json:"id,omitempty"`
	Name      string                 `json:"name,omitempty"`
	Input     map[string]interface{} `json:"input,omitempty"`
	ToolUseID string                 `json:"tool_use_id,omitempty"` // For tool results
	Content   interface{}            `json:"content,omitempty"`     // Can be []WebSearchResult or WebFetchResult
}

type AnthropicDelta 

type AnthropicDelta struct {
	Type        string `json:"type"`
	Text        string `json:"text"`
	PartialJSON string `json:"partial_json,omitempty"`
}

type AnthropicMessage 

type AnthropicMessage struct {
	ID   string `json:"id"`
	Type string `json:"type"`
	Role string `json:"role"`
}

type AnthropicProcessor 

type AnthropicProcessor struct {
	// contains filtered or unexported fields
}

func (*AnthropicProcessor) IsComplete 

func (p *AnthropicProcessor) IsComplete(line string) bool

func (*AnthropicProcessor) ProcessLine 

func (p *AnthropicProcessor) ProcessLine(line string) (*StreamEvent, error)

type AnthropicStreamData 

type AnthropicStreamData struct {
	Type         string                `json:"type"`
	Index        int                   `json:"index,omitempty"`
	Delta        AnthropicDelta        `json:"delta,omitempty"`
	Message      AnthropicMessage      `json:"message,omitempty"`
	ContentBlock AnthropicContentBlock `json:"content_block,omitempty"`
	ToolUseID    string                `json:"tool_use_id,omitempty"` // For web_search_tool_result
	Content      interface{}           `json:"content,omitempty"`     // Can be []WebSearchResult or WebFetchResult
	Usage        *AnthropicUsage       `json:"usage,omitempty"`       // For message_delta token usage
}

type AnthropicUsage 

type AnthropicUsage struct {
	InputTokens  int `json:"input_tokens"`
	OutputTokens int `json:"output_tokens"`
}

type BatchExecutor 

type BatchExecutor struct {
	// contains filtered or unexported fields
}

BatchExecutor executes multiple tool calls in parallel

func NewBatchExecutor 

func NewBatchExecutor(maxConcurrent int) *BatchExecutor

NewBatchExecutor creates a new batch executor

func (*BatchExecutor) ExecuteParallel 

func (be *BatchExecutor) ExecuteParallel(toolCalls []ToolCall) []ToolResult

ExecuteParallel executes multiple tool calls in parallel with a concurrency limit

type CitationsInfo 

type CitationsInfo struct {
	Enabled bool `json:"enabled"`
}

type CompactionResult 

type CompactionResult struct {
	Summary             string    `json:"summary"`
	MessagesCompacted   int       `json:"messages_compacted"`
	OriginalTokens      int       `json:"original_tokens"`
	SummaryTokens       int       `json:"summary_tokens"`
	CompactedAt         time.Time `json:"compacted_at"`
	LastCompactedMsgID  string    `json:"last_compacted_message_id"`
	FirstCompactedMsgID string    `json:"first_compacted_message_id"`
}

CompactionResult holds the result of a compaction operation

type Compactor 

type Compactor struct {
	// contains filtered or unexported fields
}

Compactor handles automatic context compaction via summarization

func NewCompactor 

func NewCompactor(cfg *config.CompactionConfig, maxTokens int, db *sql.DB, anthropicKey string) *Compactor

NewCompactor creates a new compactor instance

func (*Compactor) Compact 

func (c *Compactor) Compact(threadID string, messages []Message) (string, []Message, error)

Compact performs compaction on messages, returning summary and recent messages

func (*Compactor) GetExistingCompaction 

func (c *Compactor) GetExistingCompaction(threadID string) (*CompactionResult, error)

GetExistingCompaction retrieves any existing compaction summary for a thread

func (*Compactor) ShouldCompact 

func (c *Compactor) ShouldCompact(messages []Message) bool

ShouldCompact checks if compaction is needed based on current token count

type ContentBlock 

type ContentBlock struct {
	Type string `json:"type"`           // "text", "image", "document", "tool_use", "tool_result"
	Text string `json:"text,omitempty"` // for text blocks

	// Image/Document fields
	Source *ContentSource `json:"source,omitempty"` // for image and document blocks

	// Tool fields
	ID               string                 `json:"id,omitempty"`                // for tool_use
	Name             string                 `json:"name,omitempty"`              // for tool_use
	Input            map[string]interface{} `json:"-"`                           // for tool_use - custom marshaling, see MarshalJSON
	ThoughtSignature string                 `json:"thought_signature,omitempty"` // for tool_use (Gemini 3 requires this)
	ToolUseID        string                 `json:"tool_use_id,omitempty"`       // for tool_result
	Content          interface{}            `json:"content,omitempty"`           // for tool_result (can be string or object)
	IsError          bool                   `json:"is_error,omitempty"`          // for tool_result
}

func (ContentBlock) MarshalJSON added in v1.33.41 

func (c ContentBlock) MarshalJSON() ([]byte, error)

MarshalJSON implements custom JSON marshaling for ContentBlock This ensures the 'input' field is only included for tool_use blocks (Anthropic requires it)

type ContentSource 

type ContentSource struct {
	Type      string `json:"type"`                 // "base64", "url", "file"
	MediaType string `json:"media_type,omitempty"` // "image/jpeg", "application/pdf", etc.
	Data      string `json:"data,omitempty"`       // For base64
	URL       string `json:"url,omitempty"`        // For URL
	FileID    string `json:"file_id,omitempty"`    // For file reference
}

type ContextManager 

type ContextManager struct {
	// contains filtered or unexported fields
}

ContextManager handles context window management

func NewContextManager 

func NewContextManager(maxMessages, maxTokens, keepImages int) *ContextManager

NewContextManager creates a new context manager maxTokens takes precedence over maxMessages if set (> 0)

func (*ContextManager) TruncateMessages 

func (cm *ContextManager) TruncateMessages(messages []Message) []Message

TruncateMessages applies context limits to messages 1. If maxTokens is set, limits by estimated token count 2. Otherwise, limits by message count (maxMessages) 3. Strips images from older messages, keeping only last N with images IMPORTANT: Ensures tool_use/tool_result pairs stay together

type DocumentContent 

type DocumentContent struct {
	Type      string         `json:"type"` // "document"
	Source    DocumentSource `json:"source"`
	Title     string         `json:"title,omitempty"`
	Citations CitationsInfo  `json:"citations,omitempty"`
}

type DocumentSource 

type DocumentSource struct {
	Type      string `json:"type"`       // "text", "base64"
	MediaType string `json:"media_type"` // "text/plain", "application/pdf"
	Data      string `json:"data"`       // The actual content
}

type FileProcessor 

type FileProcessor interface {
	ProcessContentBlocks(blocks []ContentBlock, threadID, messageID, source string) ([]ContentBlock, error)
	ExtractImagesFromToolResult(result interface{}, threadID, source string) (interface{}, []string, error)
	IsEnabled() bool
}

FileProcessor interface for filesystem operations

type GeminiCandidate 

type GeminiCandidate struct {
	Content      *GeminiContentPart `json:"content,omitempty"`
	FinishReason string             `json:"finishReason,omitempty"` // "STOP", "MAX_TOKENS", etc.
	Index        int                `json:"index"`
}

GeminiCandidate represents a response candidate

type GeminiContentPart 

type GeminiContentPart struct {
	Parts []GeminiPartResponse `json:"parts"`
	Role  string               `json:"role"` // "model"
}

GeminiContentPart represents content in the response

type GeminiFunctionCallResponse 

type GeminiFunctionCallResponse struct {
	Name string                 `json:"name"`
	Args map[string]interface{} `json:"args"`
}

GeminiFunctionCallResponse represents a function call from Gemini

type GeminiPartResponse 

type GeminiPartResponse struct {
	Text             string                      `json:"text,omitempty"`
	FunctionCall     *GeminiFunctionCallResponse `json:"functionCall,omitempty"`
	ThoughtSignature string                      `json:"thoughtSignature,omitempty"` // At Part level for Gemini 3
}

GeminiPartResponse represents a single part of the response

type GeminiStreamProcessor 

type GeminiStreamProcessor struct {
	// contains filtered or unexported fields
}

GeminiStreamProcessor processes Gemini streaming responses

func NewGeminiStreamProcessor 

func NewGeminiStreamProcessor() *GeminiStreamProcessor

NewGeminiStreamProcessor creates a new Gemini stream processor

func (*GeminiStreamProcessor) HasPendingEvents 

func (p *GeminiStreamProcessor) HasPendingEvents() bool

HasPendingEvents returns true if there are queued events waiting to be emitted

func (*GeminiStreamProcessor) IsComplete 

func (p *GeminiStreamProcessor) IsComplete(line string) bool

IsComplete checks if the stream is complete

func (*GeminiStreamProcessor) ProcessLine 

func (p *GeminiStreamProcessor) ProcessLine(line string) (*StreamEvent, error)

ProcessLine processes a single line from the Gemini stream

func (*GeminiStreamProcessor) Reset 

func (p *GeminiStreamProcessor) Reset()

Reset resets the processor state (useful for new conversations)

type GeminiStreamResponse 

type GeminiStreamResponse struct {
	Candidates    []GeminiCandidate    `json:"candidates"`
	UsageMetadata *GeminiUsageMetadata `json:"usageMetadata,omitempty"`
}

GeminiStreamResponse represents a single chunk from Gemini's streaming API

type GeminiUsageMetadata 

type GeminiUsageMetadata struct {
	PromptTokenCount     int `json:"promptTokenCount"`
	CandidatesTokenCount int `json:"candidatesTokenCount"`
	TotalTokenCount      int `json:"totalTokenCount"`
}

GeminiUsageMetadata contains token usage information

type Message 

type Message struct {
	Role             string      `json:"role"`
	Content          interface{} `json:"content"`
	ReasoningContent string      `json:"reasoning_content,omitempty"` // For thinking models (Kimi K2, etc.) - preserved in conversation history
}

func ConvertDatabaseMessageToStreamMessage 

func ConvertDatabaseMessageToStreamMessage(role string, content interface{}) (Message, error)

ConvertDatabaseMessageToStreamMessage converts a message loaded from the database into the proper format for the LLM provider

func ConvertDatabaseMessageToStreamMessageWithMetadata 

func ConvertDatabaseMessageToStreamMessageWithMetadata(role string, content interface{}, metadata map[string]interface{}) (Message, error)

ConvertDatabaseMessageToStreamMessageWithMetadata converts a message loaded from the database into the proper format for the LLM provider, including reasoning_content from metadata

func ConvertMessagesFromDatabase 

func ConvertMessagesFromDatabase(dbMessages []interface{}) ([]Message, error)

ConvertMessagesFromDatabase converts a slice of database messages to stream messages

func PrepareMessagesWithFullConfig 

func PrepareMessagesWithFullConfig(messages []Message, llmConfig config.LLMConfig, agentName, agentDescription string, mcpConfig *config.MCPConfig, tasksConfig *config.TasksConfig, schedulerConfig *config.SchedulerConfig, system interface{}, availableAgents []config.AgentInfo) []Message

PrepareMessagesWithFullConfig prepends a system message with all configuration context

func PrepareMessagesWithSystemPrompt 

func PrepareMessagesWithSystemPrompt(messages []Message, llmConfig config.LLMConfig, agentName, agentDescription string) []Message

PrepareMessagesWithSystemPrompt prepends a system message if not already present

func PrepareMessagesWithSystemPromptAndMCP 

func PrepareMessagesWithSystemPromptAndMCP(messages []Message, llmConfig config.LLMConfig, agentName, agentDescription string, mcpConfig *config.MCPConfig) []Message

PrepareMessagesWithSystemPromptAndMCP prepends a system message with MCP credentials if not already present

type MessageSaver 

type MessageSaver interface {
	SaveMessage(threadID, role string, content interface{}, model *string, metadata map[string]interface{}) error
	CreateThread(title string) (string, error)
}

type OpenAIChoice 

type OpenAIChoice struct {
	Index        int         `json:"index"`
	Delta        OpenAIDelta `json:"delta"`
	FinishReason *string     `json:"finish_reason"`
}

type OpenAIDelta 

type OpenAIDelta struct {
	Role             string           `json:"role,omitempty"`
	Content          string           `json:"content,omitempty"`
	ReasoningContent string           `json:"reasoning_content,omitempty"` // For thinking/reasoning models (Fireworks Kimi K2, etc.)
	Reasoning        string           `json:"reasoning,omitempty"`         // For thinking/reasoning models (Together AI Kimi K2, etc.)
	ToolCalls        []OpenAIToolCall `json:"tool_calls,omitempty"`
}

type OpenAIFunctionCall 

type OpenAIFunctionCall struct {
	Name      string `json:"name"`
	Arguments string `json:"arguments"`
}

type OpenAIProcessor 

type OpenAIProcessor struct {
	// contains filtered or unexported fields
}

func (*OpenAIProcessor) ClearAccumulatedReasoning 

func (p *OpenAIProcessor) ClearAccumulatedReasoning()

ClearAccumulatedReasoning clears the accumulated reasoning content Called after the reasoning has been used for the next API call

func (*OpenAIProcessor) GetAccumulatedReasoning 

func (p *OpenAIProcessor) GetAccumulatedReasoning() string

GetAccumulatedReasoning returns the accumulated reasoning content without clearing it This is used to preserve reasoning_content in conversation history for thinking models (Kimi K2, etc.)

func (*OpenAIProcessor) HasPendingEvents 

func (p *OpenAIProcessor) HasPendingEvents() bool

HasPendingEvents returns true if there are queued events waiting to be emitted

func (*OpenAIProcessor) IsComplete 

func (p *OpenAIProcessor) IsComplete(line string) bool

func (*OpenAIProcessor) ProcessLine 

func (p *OpenAIProcessor) ProcessLine(line string) (*StreamEvent, error)

func (*OpenAIProcessor) ResetForNewTurn 

func (p *OpenAIProcessor) ResetForNewTurn()

ResetForNewTurn resets the processor state for a new conversation turn This is needed when the same processor is reused across multiple iterations (e.g., after tool calls)

func (*OpenAIProcessor) SetStartInThinkMode 

func (p *OpenAIProcessor) SetStartInThinkMode(start bool)

SetStartInThinkMode sets the processor to start in thinking mode This is needed for models like Together AI K2.5 that start thinking without <think> tag

type OpenAIStreamData 

type OpenAIStreamData struct {
	ID      string         `json:"id"`
	Object  string         `json:"object"`
	Created int64          `json:"created"`
	Model   string         `json:"model"`
	Choices []OpenAIChoice `json:"choices"`
	Usage   *OpenAIUsage   `json:"usage,omitempty"` // Token usage in final chunk
}

type OpenAIToolCall 

type OpenAIToolCall struct {
	Index    int                `json:"index"`
	ID       string             `json:"id"`
	Type     string             `json:"type"`
	Function OpenAIFunctionCall `json:"function"`
}

type OpenAIUsage 

type OpenAIUsage struct {
	PromptTokens     int `json:"prompt_tokens"`
	CompletionTokens int `json:"completion_tokens"`
	TotalTokens      int `json:"total_tokens"`
}

type PendingEventChecker 

type PendingEventChecker interface {
	HasPendingEvents() bool
}

PendingEventChecker is an optional interface for processors that queue events

type Provider 

type Provider interface {
	GetRawStream(messages []Message, customTools []tools.ToolDefinition, builtinTools []interface{}) (io.ReadCloser, error)
}

type ReasoningAccumulator 

type ReasoningAccumulator interface {
	GetAccumulatedReasoning() string
	ClearAccumulatedReasoning()
}

ReasoningAccumulator is an optional interface for processors that accumulate reasoning content Used by thinking models (Kimi K2, etc.) to preserve reasoning_content in conversation history

type StreamEvent 

type StreamEvent struct {
	Type             string                 `json:"type"`                        // "content", "thinking", "start", "stop", "tool_use", "tool_result", "usage"
	Content          string                 `json:"content"`                     // actual text content (for simple string results)
	ContentBlocks    interface{}            `json:"content_blocks,omitempty"`    // for structured content (e.g., screenshot with image)
	ToolName         string                 `json:"tool_name,omitempty"`         // for tool_use events
	ToolDisplayName  string                 `json:"tool_display_name,omitempty"` // human-readable name like "Create Task"
	ToolID           string                 `json:"tool_id,omitempty"`           // for tool_use and tool_result events
	ToolInput        map[string]interface{} `json:"tool_input"`                  // for tool_use events
	ToolResult       interface{}            `json:"tool_result,omitempty"`       // for tool_result events (raw data for server tools)
	ThoughtSignature string                 `json:"thought_signature,omitempty"` // for Gemini 3 function calls (required for context)
	Timestamp        int64                  `json:"timestamp"`                   // Unix milliseconds timestamp

	// Token usage fields (for "usage" events)
	InputTokens  int `json:"input_tokens,omitempty"`
	OutputTokens int `json:"output_tokens,omitempty"`
	TotalTokens  int `json:"total_tokens,omitempty"`
}

type StreamProcessor 

type StreamProcessor interface {
	ProcessLine(line string) (*StreamEvent, error)
	IsComplete(line string) bool
}

type TokenAttribution 

type TokenAttribution struct {
	SystemPrompt        int `json:"system_prompt"`
	ToolDefinitions     int `json:"tool_definitions"`
	ConversationHistory int `json:"conversation_history"`
	MemoryContext       int `json:"memory_context"`
	UserMessage         int `json:"user_message"`
	EstimatedTotal      int `json:"estimated_total"`
	ActualTotal         int `json:"actual_total,omitempty"` // Filled in after LLM response
}

TokenAttribution tracks estimated token counts for each input component

func CalculateTokenAttribution 

func CalculateTokenAttribution(messages []Message, customTools []tools.ToolDefinition, builtinTools []interface{}, memoryContextLen int) TokenAttribution

CalculateTokenAttribution calculates token attribution for all input components Parameters:

  • messages: the full message array (including system message)
  • customTools: custom tool definitions
  • builtinTools: builtin tool definitions
  • memoryContextLen: character length of memory context (if tracked separately)

type ToolCall 

type ToolCall struct {
	ID    string                 `json:"id"`
	Name  string                 `json:"name"`
	Input map[string]interface{} `json:"input"`
}

ToolCall represents a single tool invocation

type ToolResult 

type ToolResult struct {
	ID            string                 `json:"id"`
	Name          string                 `json:"name"`
	Content       string                 `json:"content"`
	ContentBlocks interface{}            `json:"content_blocks,omitempty"`
	Input         map[string]interface{} `json:"input"`
	Error         error                  `json:"-"`
	Duration      time.Duration          `json:"duration"`
}

ToolResult represents the result of a tool execution

type TurnResetter 

type TurnResetter interface {
	ResetForNewTurn()
}

TurnResetter is an optional interface for processors that need to reset state between turns Used by thinking models that embed thinking in content (e.g., Together AI K2.5)

type WebFetchResult 

type WebFetchResult struct {
	Type        string          `json:"type"` // "web_fetch_result"
	URL         string          `json:"url"`
	Content     DocumentContent `json:"content"`
	RetrievedAt string          `json:"retrieved_at"`
}

type WebSearchResult 

type WebSearchResult struct {
	Type             string `json:"type"` // "web_search_result"
	URL              string `json:"url"`
	Title            string `json:"title"`
	EncryptedContent string `json:"encrypted_content"`
	PageAge          string `json:"page_age"`
}

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