bridle

package module

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Versions in this module

v0

v0.2.0

Jul 25, 2026

Changes in this version

type BeforeToolCallCtx

+ Deny bool

+ Err string

+ Result json.RawMessage

+ type ContextBudgetWarning struct

+ Assembled int

+ Budget int

+ TS time.Time

+ type ContextPolicy struct

+ PromptBudget int

+ TargetWindow int

+ type DoneEvent struct

+ StopReason StreamStopReason

+ type ErrorClass string

+ const ErrorClassAuth

+ const ErrorClassContextLength

+ const ErrorClassNetwork

+ const ErrorClassOverloaded

+ const ErrorClassProvider

+ const ErrorClassRateLimit

+ const ErrorClassRefusal

+ const ErrorClassSchema

+ func ClassifyStreamError(err error) ErrorClass

+ type ErrorEvent struct

+ Class ErrorClass

+ Err error

type Harness

+ func (h *Harness) RunStep(ctx context.Context, preq ProviderRequest, sink EventSink) (presult ProviderResult, err error)

+ type JSONSchema struct

+ Description string

+ Name string

+ Schema json.RawMessage

+ Strict bool

+ type LaneID string

+ const LaneBedrock

+ const LaneClaudeAPI

+ const LaneClaudeCode

+ const LaneClaudeSDK

+ const LaneDeepSeek

+ const LaneGeminiAPI

+ const LaneOllama

+ const LaneOpenAI

+ type MCPServerFailed struct

+ Err error

+ Server string

+ TS time.Time

+ type MessageRole string

+ const MessageRoleDeveloper

+ const MessageRoleSystem

+ const MessageRoleUser

+ type ModelCapabilities struct

+ ParallelTools bool

+ PromptCaching bool

+ ReasoningEffort bool

+ Streaming bool

+ StructuredOutput bool

+ SystemPromptMode SystemPromptMode

+ Tools bool

+ Vision bool

type ModelChunk

+ TS time.Time

+ type ModelHandle struct

+ Info ModelInfo

+ Lane string

+ Model string

+ Provider ProviderID

+ type ModelInfo struct

+ Aliases []string

+ Capabilities ModelCapabilities

+ ContextWindow int

+ ID string

+ Lane LaneID

+ MaxOutputTokens int

+ Pricing *ModelPricing

+ Prompt *ModelPromptMeta

+ Provider ProviderID

+ type ModelPricing struct

+ Cached float64

+ In float64

+ Out float64

+ type ModelPromptMeta struct

+ Dialect *PromptDialect

+ RenditionRef string

+ type PromptDialect struct

+ Format string

+ Thinking string

+ ToolIdiom string

type ProviderErrorKind

+ const ProviderErrorConfig

+ const ProviderErrorCrash

+ const ProviderErrorRefusal

type ProviderID

+ const ProviderAntigravityCLI

+ const ProviderClaudeSDK

+ const ProviderCodexCLI

type ProviderMessage

+ ReasoningContent string

+ ThinkingBlocks []ThinkingBlock

type ProviderRequest

+ ContextPolicy ContextPolicy

+ Effort string

+ MaxOutputTokens int

+ ResponseFormat *ResponseFormat

+ Seed *int

+ StopSequences []string

+ SystemPromptMode SystemPromptMode

+ Temperature *float64

+ ThinkingBudgetTokens int

+ ToolCallStrictness ToolCallStrictness

+ ToolExecutor ToolExecutor

+ TopK *int

+ TopP *float64

type ProviderResult

+ ReasoningContent string

+ ThinkingBlocks []ThinkingBlock

+ type RateLimit struct

+ ResetsAt time.Time

+ Status string

+ TS time.Time

+ UsingOverage bool

+ Utilization int

+ WindowType string

+ type ReasoningChunk struct

+ TS time.Time

+ Text string

+ type ReasoningDeltaEvent struct

+ Text string

+ type Registry struct

+ func NewRegistry() *Registry

+ func (r *Registry) Bind(lane string, h *Harness) error

+ func (r *Registry) List() []ModelInfo

+ func (r *Registry) RegisterAlias(alias, target string) error

+ func (r *Registry) RegisterIdentityAlias(alias, identity, target string) error

+ func (r *Registry) Resolve(aliasOrID, identity string) (ModelHandle, error)

+ func (r *Registry) Stream(ctx context.Context, handle ModelHandle, req Request) (<-chan StreamEvent, error)

+ type Request struct

+ CacheHints []string

+ Effort string

+ MaxTokens int

+ Messages []RoleMessage

+ ProviderEnv map[string]string

+ Structured *JSONSchema

+ Tools []ToolDef

+ type ResponseFormat struct

+ Description string

+ Name string

+ Schema json.RawMessage

+ Strict bool

+ Type string

+ type RoleMessage struct

+ Content string

+ Role MessageRole

+ type RoundTiming struct

+ AssemblySecs float64

+ MessageCount int

+ PromptBytes int

+ StartupToFirstEventSecs float64

+ StreamSecs float64

+ ToolDefCount int

type SessionEvent

+ ReasoningContent string

+ ThinkingBlocks []ThinkingBlock

+ ToolCallID string

type StepBoundary

+ TS time.Time

type StopReason

+ const StopReasonRefusal

+ type StreamEvent interface

+ type StreamStopReason string

+ const StreamStopEnd

+ const StreamStopMaxTokens

+ const StreamStopRefusal

+ const StreamStopToolCalls

+ type StreamUsage struct

+ Cached int

+ Input int

+ Output int

+ Reasoning int

+ type SystemPromptMode string

+ const SystemPromptAppend

+ const SystemPromptFull

+ const SystemPromptReplace

+ func (m SystemPromptMode) IsValid() bool

+ func (m SystemPromptMode) Normalize() SystemPromptMode

+ type TextDeltaEvent struct

+ Text string

+ type ThinkingBlock struct

+ Data string

+ Signature string

+ Thinking string

+ Type string

+ type ToolCallEvent struct

+ ArgsJSON json.RawMessage

+ ID string

+ Name string

+ type ToolCallRepaired struct

+ Detail string

+ Stage string

+ TS time.Time

type ToolCallResult

+ TS time.Time

type ToolCallStart

+ TS time.Time

+ type ToolCallStrictness string

+ const ToolCallStrictnessRepairThenRetry

+ const ToolCallStrictnessTolerant

+ type ToolExecutor interface

+ Execute func(ctx context.Context, call ToolCall) (ToolResult, error)

+ type ToolResult struct

+ Err string

+ Result json.RawMessage

+ type ToolTiming struct

+ ID string

+ Name string

+ Secs float64

type TurnDone

+ TS time.Time

type TurnError

+ TS time.Time

type TurnErrorStage

+ const TurnErrorStageResumeFallback

type TurnRequest

+ ContextPolicy ContextPolicy

+ Effort string

+ MaxOutputTokens int

+ ResponseFormat *ResponseFormat

+ Seed *int

+ StopSequences []string

+ SystemPromptMode SystemPromptMode

+ Temperature *float64

+ ThinkingBudgetTokens int

+ ToolCallStrictness ToolCallStrictness

+ TopK *int

+ TopP *float64

type TurnResult

+ Timing TurnTiming

+ type TurnTiming struct

+ Rounds []RoundTiming

+ Tools []ToolTiming

+ TotalSecs float64

type Usage

+ Estimated bool

+ ReasoningTokens int

+ type UsageEvent struct

+ Usage StreamUsage

+ type Warning struct

+ Kind string

+ Message string

+ TS time.Time

+ type WarningEvent struct

+ Kind string

+ Message string

v0.1.3

May 23, 2026

Changes in this version

+ func AppendAssistantText(finalText *string, sessionDelta *[]SessionEvent, providerID ProviderID, ...)

+ func EmitAssistantText(sink EventSink, finalText *string, sessionDelta *[]SessionEvent, ...)

type Harness

+ func (h *Harness) UnregisterHook(id HookID) bool

+ type HookID uint64

type ProviderErrorKind

+ const ProviderErrorSubprocessExit

type ProviderID

+ const ProviderClaudeCode

type ProviderResult

+ ResolvedModel string

+ type TurnErrorStage string

+ const TurnErrorStageHarnessRecover

+ const TurnErrorStageProvider

+ const TurnErrorStageProviderAPIError

+ const TurnErrorStageRetry

+ const TurnErrorStageStderrOutput

+ const TurnErrorStageStreamTruncated

+ const TurnErrorStageSubprocessExit

+ const TurnErrorStageSubprocessExitPartial

type TurnResult

+ ResolvedModel string

v0.1.1

May 19, 2026

Changes in this version

+ func IsProviderErrorKind(err error, kind ProviderErrorKind) bool

+ type ProviderError struct

+ Err error

+ Kind ProviderErrorKind

+ Message string

+ func (e *ProviderError) Error() string

+ func (e *ProviderError) Unwrap() error

+ type ProviderErrorKind string

+ const ProviderErrorAuthFailed

+ const ProviderErrorNetworkError

+ const ProviderErrorRateLimit

+ const ProviderErrorServerError

+ const ProviderErrorTLSError

+ const ProviderErrorTimeout

v0.1.0

May 15, 2026

Changes in this version

+ var ErrModelRequired = errors.New("bridle: TurnRequest.Model is required")

+ var ErrToolNameCollision = errorString("bridle: tool name collision between explicit Tools and MCP-loaded tools")

+ type AfterModelChunkCtx struct

+ Chunk ModelChunk

+ Step int

+ type AfterToolCallCtx struct

+ Call ToolCall

+ Result ToolCallResult

+ Step int

+ type BeforeModelCallCtx struct

+ Request TurnRequest

+ Step int

+ type BeforeToolCallCtx struct

+ Call ToolCall

+ Step int

+ type Event interface

+ type EventSink interface

+ Emit func(Event)

+ type Harness struct

+ func NewHarness(p Provider) *Harness

+ func (h *Harness) RegisterAfterModelChunk(fn Hook[AfterModelChunkCtx])

+ func (h *Harness) RegisterAfterToolCall(fn Hook[AfterToolCallCtx])

+ func (h *Harness) RegisterBeforeModelCall(fn Hook[BeforeModelCallCtx])

+ func (h *Harness) RegisterBeforeToolCall(fn Hook[BeforeToolCallCtx])

+ func (h *Harness) RegisterOnStepBoundary(fn Hook[OnStepBoundaryCtx])

+ func (h *Harness) RegisterOnTurnDone(fn Hook[OnTurnDoneCtx])

+ func (h *Harness) RunTurn(ctx context.Context, req TurnRequest, runner ToolRunner, sink EventSink) (result TurnResult, err error)

+ type Hook func(ctx context.Context, in T) (T, HookAction, error)

+ type HookAction int

+ const HookAbort

+ const HookContinue

+ type InboxItem struct

+ Content string

+ From string

+ MsgID int64

+ RawJSON json.RawMessage

+ Source string

+ ThreadRoot int64

+ type MCPClientConfig struct

+ Servers []MCPServerSpec

+ type MCPServerSpec struct

+ Command []string

+ Env map[string]string

+ Header map[string]string

+ Name string

+ Transport MCPTransport

+ URL string

+ type MCPTransport string

+ const MCPTransportHTTPSSE

+ const MCPTransportStdio

+ type ModelChunk struct

+ Text string

+ type NormalizedSessionEvent struct

+ Content string

+ Role SessionRole

+ func ParseSessionEvent(e SessionEvent) (NormalizedSessionEvent, error)

+ type OnStepBoundaryCtx struct

+ Step int

+ type OnTurnDoneCtx struct

+ Result *TurnResult

+ type Provider interface

+ Capabilities func() ProviderCapabilities

+ Name func() ProviderID

+ RunTurn func(ctx context.Context, req ProviderRequest, sink EventSink) (ProviderResult, error)

+ type ProviderCapabilities struct

+ Category ProviderCategory

+ SupportsAfterToolCall bool

+ SupportsBeforeToolCall bool

+ SupportsCustomTools bool

+ SupportsMCP bool

+ type ProviderCategory string

+ const CategoryDirectAPI

+ const CategorySubprocessStream

+ type ProviderID string

+ const ProviderBedrock

+ const ProviderClaude

+ const ProviderClaudePty

+ const ProviderGemini

+ const ProviderGeminiCLI

+ const ProviderOllama

+ const ProviderOpenAI

+ type ProviderMessage struct

+ Content string

+ Role string

+ ToolCallID string

+ ToolCalls []ToolInvocation

+ ToolName string

+ type ProviderRequest struct

+ AppendSystemPrompt string

+ AspectID string

+ Cwd string

+ MCP *MCPClientConfig

+ MaxSteps int

+ Messages []ProviderMessage

+ Model string

+ ProviderEnv map[string]string

+ Session SessionHandle

+ ToolChoice string

+ Tools []ToolDef

+ type ProviderResult struct

+ FinalText string

+ SessionDelta []SessionEvent

+ StepCount int

+ StopReason StopReason

+ ToolCalls []ToolInvocation

+ Usage Usage

+ type SessionEvent struct

+ Content string

+ Provider ProviderID

+ RawJSON json.RawMessage

+ Role SessionRole

+ type SessionHandle struct

+ ID string

+ New bool

+ type SessionRole string

+ const RoleAssistant

+ const RoleSystem

+ const RoleTool

+ const RoleUser

+ type StepBoundary struct

+ Step int

+ type StopReason string

+ const StopReasonAborted

+ const StopReasonError

+ const StopReasonMaxSteps

+ const StopReasonModelDone

+ const StopReasonProcessExit

+ type ToolCall struct

+ Args json.RawMessage

+ ID string

+ Name string

+ type ToolCallResult struct

+ Err string

+ ID string

+ Result json.RawMessage

+ type ToolCallStart struct

+ Args json.RawMessage

+ ID string

+ Name string

+ type ToolDef struct

+ Description string

+ InputSchema json.RawMessage

+ Name string

+ type ToolInvocation struct

+ Args json.RawMessage

+ Err string

+ ID string

+ Name string

+ Result json.RawMessage

+ type ToolRunner interface

+ Run func(ctx context.Context, call ToolCall) (json.RawMessage, error)

+ type TurnDone struct

+ Result TurnResult

+ type TurnError struct

+ Err error

+ Stage string

+ type TurnRequest struct

+ AppendSystemPrompt string

+ AspectID string

+ Cwd string

+ Inbox []InboxItem

+ MCP *MCPClientConfig

+ MaxSteps int

+ Model string

+ Provider ProviderID

+ ProviderEnv map[string]string

+ Session SessionHandle

+ SessionTail []SessionEvent

+ ToolChoice string

+ Tools []ToolDef

+ UserMessage string

+ type TurnResult struct

+ FinalText string

+ SessionDelta []SessionEvent

+ StepCount int

+ StopReason StopReason

+ ToolCalls []ToolInvocation

+ Usage Usage

+ type Usage struct

+ CacheCreationInputTokens int

+ CacheReadInputTokens int

+ CostUSD float64

+ InputTokens int

+ OutputTokens int

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