// Code generated by cmd/extension-protocol-gen; DO NOT EDIT. // Package extension: Extension Protocol v2 wire DTOs, enums, method // names, frozen limits, and the frozen error table, mirrored from the // host's internal/extension/protocol package. Behavior (validators, // error constructors, helpers) lives in the handwritten files. package extension import "encoding/json" // ProtocolID is the immutable identity string peers exchange during the // initialize handshake. const ProtocolID = "reasonix.extension.v2" // ProtocolMajor is the frozen major version of this protocol build. const ProtocolMajor = 2 // ProtocolVersion is the wire string form of ProtocolMajor carried in the // initialize handshake. const ProtocolVersion = "2" // Frozen wire limits. These constants are part of the protocol contract. const ( // FrameBytes caps one JSON-RPC frame on the extension transport. FrameBytes = 8388608 // ExternalizeFieldBytes is the threshold above which an externalizable // payload must move into a content ref instead of traveling inline. ExternalizeFieldBytes = 65536 // ContentRefChunkBytes caps one host/content/read chunk. ContentRefChunkBytes = 262144 // ContentRefObjectBytes caps one externalized object. ContentRefObjectBytes = 8388608 ) // Method names, frozen for Extension Protocol v2. const ( MethodExtensionEvent = "extension/event" MethodExtensionInitialize = "extension/initialize" MethodExtensionInitialized = "extension/initialized" MethodExtensionIntercept = "extension/intercept" MethodExtensionProviderCatalog = "extension/provider/catalog" MethodExtensionProviderStreamCancel = "extension/provider/stream/cancel" MethodExtensionProviderStreamChunk = "extension/provider/stream/chunk" MethodExtensionProviderStreamEnd = "extension/provider/stream/end" MethodExtensionProviderStreamOpen = "extension/provider/stream/open" MethodExtensionResourcesChanged = "extension/resources/changed" MethodExtensionShutdown = "extension/shutdown" MethodExtensionUIAction = "extension/ui/action" MethodExtensionUISubmit = "extension/ui/submit" MethodHostContentRead = "host/content/read" MethodHostUIPublish = "host/ui/publish" MethodHostUIRequest = "host/ui/request" ) // DomainErrorCode is the JSON-RPC code every extension domain error uses on // the wire. The structured ProtocolErrorData reason distinguishes them. const DomainErrorCode = -32000 // errorSpec is one frozen error table entry: the JSON-RPC code, the // generic wire message, and whether the call may be retried. type errorSpec struct { Code int Message string Retryable bool } // frozenErrorSpecs mirrors the host's frozen error table. Adding an entry // is a conscious protocol change. var frozenErrorSpecs = map[ErrorReason]errorSpec{ ErrActivationFailed: {DomainErrorCode, "Component activation failed; the new generation was not published.", false}, ErrCapabilityNotDeclared: {DomainErrorCode, "The extension used a capability its manifest did not declare.", false}, ErrCleanupFailed: {DomainErrorCode, "Component cleanup failed while disposing scoped effects.", true}, ErrContentRefExpired: {DomainErrorCode, "The referenced content has expired.", true}, ErrDependencyCycle: {DomainErrorCode, "The dependency graph contains a required cycle.", false}, ErrDependencyUnsatisfied: {DomainErrorCode, "A required dependency is missing or not version-compatible.", false}, ErrFrameTooLarge: {DomainErrorCode, "The frame exceeds the frozen protocol size limit.", false}, ErrInterceptTimeout: {DomainErrorCode, "The extension did not answer an intercept within its timeout.", true}, ErrInternal: {CodeInternal, "An internal extension protocol error occurred.", true}, ErrInvalidParams: {CodeInvalidParams, "The params do not match the registered method schema.", false}, ErrProtocolError: {CodeInvalidRequest, "The extension protocol frame or envelope is invalid.", false}, ErrProviderFailed: {DomainErrorCode, "The extension provider stream failed.", true}, ErrProviderInterrupted: {DomainErrorCode, "The extension provider stream was interrupted.", true}, ErrSchemaMismatch: {DomainErrorCode, "A capability schema hash does not match the expected pin.", false}, ErrShutdownTimeout: {DomainErrorCode, "The extension did not shut down within the requested timeout.", true}, ErrStaleGeneration: {DomainErrorCode, "The message belongs to a superseded runtime generation.", false}, ErrStreamCancelled: {DomainErrorCode, "The provider stream was cancelled.", false}, ErrStreamGap: {DomainErrorCode, "A provider stream chunk is missing from the ordered sequence.", true}, ErrUnknownMethod: {CodeMethodNotFound, "The method is not registered in Extension Protocol v2.", false}, ErrUnsupportedVersion: {DomainErrorCode, "The peer's extension protocol version is not supported.", false}, } // EventParams is a generated Extension Protocol v2 wire DTO. type EventParams struct { Event InterceptEvent `json:"event"` Payload json.RawMessage `json:"payload" externalizable:"true"` Externalized []ExternalizedField `json:"externalized,omitempty"` } // InterceptEvent is a generated Extension Protocol v2 string enum. type InterceptEvent string const ( EventAgentBeforeStart InterceptEvent = "agent.before_start" EventCompactionComplete InterceptEvent = "compaction.complete" EventCompactionPrepare InterceptEvent = "compaction.prepare" EventContextPrepare InterceptEvent = "context.prepare" EventFrontendEvent InterceptEvent = "frontend.event" EventInputReceive InterceptEvent = "input.receive" EventPermissionDecision InterceptEvent = "permission.decision" EventProviderRequest InterceptEvent = "provider.request" EventProviderResponse InterceptEvent = "provider.response" EventSessionEnd InterceptEvent = "session.end" EventSessionLoad InterceptEvent = "session.load" EventSessionRotate InterceptEvent = "session.rotate" EventSessionSave InterceptEvent = "session.save" EventSessionStart InterceptEvent = "session.start" EventSystemPromptBuild InterceptEvent = "system_prompt.build" EventToolAfter InterceptEvent = "tool.after" EventToolBefore InterceptEvent = "tool.before" ) // ExternalizedField is a generated Extension Protocol v2 wire DTO. type ExternalizedField struct { JSONPointer string `json:"jsonPointer" validate:"nonempty"` ContentRef string `json:"contentRef" validate:"nonempty"` TotalBytes int64 `json:"totalBytes" validate:"min=0"` SHA256 string `json:"sha256" validate:"sha256"` } // InitializeParams is a generated Extension Protocol v2 wire DTO. type InitializeParams struct { ProtocolVersion string `json:"protocolVersion" validate:"nonempty"` ProtocolID string `json:"protocolId" validate:"nonempty"` Manifest ManifestExpectation `json:"manifest"` Session SessionContext `json:"session"` Capabilities HostCapabilities `json:"capabilities"` DependencySchemaVersion int `json:"dependencySchemaVersion,omitempty" validate:"min=0"` } // ManifestExpectation is a generated Extension Protocol v2 wire DTO. type ManifestExpectation struct { Intercepts []string `json:"intercepts,omitempty"` Replaces []string `json:"replaces,omitempty"` Providers []string `json:"providers,omitempty"` UIActions []string `json:"uiActions,omitempty"` Capabilities []string `json:"capabilities,omitempty"` Requires []RequirementWire `json:"requires,omitempty"` Provides []CapabilityWire `json:"provides,omitempty"` } // RequirementWire is a generated Extension Protocol v2 wire DTO. type RequirementWire struct { Namespace string `json:"namespace" validate:"nonempty"` Kind string `json:"kind" validate:"nonempty"` ID string `json:"id" validate:"nonempty"` Version string `json:"version,omitempty"` SchemaHash string `json:"schemaHash,omitempty"` VersionRange string `json:"versionRange,omitempty"` Optional bool `json:"optional,omitempty"` } // CapabilityWire is a generated Extension Protocol v2 wire DTO. type CapabilityWire struct { Namespace string `json:"namespace" validate:"nonempty"` Kind string `json:"kind" validate:"nonempty"` ID string `json:"id" validate:"nonempty"` Version string `json:"version,omitempty"` SchemaHash string `json:"schemaHash,omitempty"` } // SessionContext is a generated Extension Protocol v2 wire DTO. type SessionContext struct { SessionID string `json:"sessionId" validate:"nonempty"` WorkspaceRoot string `json:"workspaceRoot" validate:"nonempty"` Generation uint64 `json:"generation"` Epoch string `json:"epoch,omitempty"` } // HostCapabilities is a generated Extension Protocol v2 wire DTO. type HostCapabilities struct { ContentRefs bool `json:"contentRefs"` UIHost UIHostKind `json:"uiHost"` ProtocolVersion string `json:"protocolVersion" validate:"nonempty"` DependencySchemaVersion int `json:"dependencySchemaVersion,omitempty" validate:"min=0"` } // UIHostKind is a generated Extension Protocol v2 string enum. type UIHostKind string const ( UIHostTUI UIHostKind = "tui" UIHostDesktop UIHostKind = "desktop" UIHostACP UIHostKind = "acp" UIHostHeadless UIHostKind = "headless" ) // InitializeResult is a generated Extension Protocol v2 wire DTO. type InitializeResult struct { ProtocolVersion string `json:"protocolVersion" validate:"nonempty"` Name string `json:"name" validate:"nonempty"` Version string `json:"version" validate:"nonempty"` ComponentID string `json:"componentId,omitempty"` Subscriptions []string `json:"subscriptions,omitempty"` Replaces []string `json:"replaces,omitempty"` Providers []ProviderDescriptor `json:"providers,omitempty"` UIActions []UIActionDecl `json:"uiActions,omitempty"` Requires []RequirementWire `json:"requires,omitempty"` Provides []CapabilityWire `json:"provides,omitempty"` StateSchemaVersion int `json:"stateSchemaVersion" validate:"min=0"` } // ProviderDescriptor is a generated Extension Protocol v2 wire DTO. type ProviderDescriptor struct { Ref string `json:"ref" validate:"nonempty"` DisplayName string `json:"displayName,omitempty"` Model string `json:"model,omitempty"` ContextWindow int `json:"contextWindow,omitempty" validate:"min=0"` PricingCurrency string `json:"pricingCurrency,omitempty"` CacheHitPerMillion float64 `json:"cacheHitPerMillion,omitempty" validate:"min=0"` InputPerMillion float64 `json:"inputPerMillion,omitempty" validate:"min=0"` OutputPerMillion float64 `json:"outputPerMillion,omitempty" validate:"min=0"` Vision bool `json:"vision,omitempty"` Tools bool `json:"tools,omitempty"` Reasoning bool `json:"reasoning,omitempty"` Efforts []string `json:"efforts,omitempty"` DefaultEffort string `json:"defaultEffort,omitempty"` ToolCallReasoning bool `json:"toolCallReasoning,omitempty"` ReasoningRoundTrip bool `json:"reasoningRoundTrip,omitempty"` WarnOnMissingToolCallReasoning bool `json:"warnOnMissingToolCallReasoning,omitempty"` } // UIActionDecl is a generated Extension Protocol v2 wire DTO. type UIActionDecl struct { ActionID string `json:"actionId" validate:"nonempty"` Label string `json:"label,omitempty"` } // InitializedParams is a generated Extension Protocol v2 wire DTO. type InitializedParams struct{} // InterceptParams is a generated Extension Protocol v2 wire DTO. type InterceptParams struct { Event InterceptEvent `json:"event"` Seq uint64 `json:"seq" validate:"min=1"` Payload json.RawMessage `json:"payload" externalizable:"true"` TimeoutMillis int `json:"timeoutMillis" validate:"min=0"` Externalized []ExternalizedField `json:"externalized,omitempty"` } // InterceptResult is a generated Extension Protocol v2 wire DTO. type InterceptResult struct { Decision InterceptDecision `json:"decision"` Reason string `json:"reason,omitempty"` Replacement json.RawMessage `json:"replacement,omitempty" externalizable:"true"` Externalized []ExternalizedField `json:"externalized,omitempty"` } // InterceptDecision is a generated Extension Protocol v2 string enum. type InterceptDecision string const ( DecisionContinue InterceptDecision = "continue" DecisionBlock InterceptDecision = "block" DecisionReplace InterceptDecision = "replace" DecisionAllow InterceptDecision = "allow" DecisionDeny InterceptDecision = "deny" ) // ProviderCatalogParams is a generated Extension Protocol v2 wire DTO. type ProviderCatalogParams struct{} // ProviderCatalogResult is a generated Extension Protocol v2 wire DTO. type ProviderCatalogResult struct { Providers []ProviderDescriptor `json:"providers"` } // StreamCancelParams is a generated Extension Protocol v2 wire DTO. type StreamCancelParams struct { StreamID string `json:"streamId" validate:"nonempty"` } // StreamCancelResult is a generated Extension Protocol v2 wire DTO. type StreamCancelResult struct { Cancelled bool `json:"cancelled"` } // StreamChunkParams is a generated Extension Protocol v2 wire DTO. type StreamChunkParams struct { StreamID string `json:"streamId" validate:"nonempty"` Seq int64 `json:"seq" validate:"min=1"` Chunk ProviderChunk `json:"chunk"` Generation uint64 `json:"generation,omitempty"` Epoch string `json:"epoch,omitempty"` } // ProviderChunk is a generated Extension Protocol v2 wire DTO. type ProviderChunk struct { Type ProviderChunkType `json:"type"` Text string `json:"text,omitempty"` Signature string `json:"signature,omitempty"` ToolCall *ProviderToolCall `json:"toolCall,omitempty"` ArgChars int `json:"argChars,omitempty" validate:"min=0"` Usage *ProviderUsage `json:"usage,omitempty"` Error *ProviderError `json:"error,omitempty"` Generation uint64 `json:"generation,omitempty"` Epoch string `json:"epoch,omitempty"` } // ProviderChunkType is a generated Extension Protocol v2 string enum. type ProviderChunkType string const ( ChunkText ProviderChunkType = "text" ChunkReasoning ProviderChunkType = "reasoning" ChunkToolCallStart ProviderChunkType = "tool_call_start" ChunkToolCallDelta ProviderChunkType = "tool_call_args_delta" ChunkToolCall ProviderChunkType = "tool_call" ChunkUsage ProviderChunkType = "usage" ChunkDone ProviderChunkType = "done" ChunkError ProviderChunkType = "error" ) // ProviderToolCall is a generated Extension Protocol v2 wire DTO. type ProviderToolCall struct { ID string `json:"id" validate:"nonempty"` Name string `json:"name" validate:"nonempty"` Arguments string `json:"arguments"` ThoughtSignature string `json:"thought_signature,omitempty"` } // ProviderUsage is a generated Extension Protocol v2 wire DTO. type ProviderUsage struct { PromptTokens int `json:"promptTokens" validate:"min=0"` CompletionTokens int `json:"completionTokens" validate:"min=0"` TotalTokens int `json:"totalTokens" validate:"min=0"` CacheHitTokens int `json:"cacheHitTokens" validate:"min=0"` CacheMissTokens int `json:"cacheMissTokens" validate:"min=0"` ReasoningTokens int `json:"reasoningTokens" validate:"min=0"` FinishReason string `json:"finishReason,omitempty"` } // ProviderError is a generated Extension Protocol v2 wire DTO. type ProviderError struct { Code ProviderErrorCode `json:"code"` Message string `json:"message" validate:"nonempty"` } // ProviderErrorCode is a generated Extension Protocol v2 string enum. type ProviderErrorCode string const ( ProviderFailed ProviderErrorCode = "provider_failed" ProviderInterrupted ProviderErrorCode = "provider_interrupted" ) // StreamEndParams is a generated Extension Protocol v2 wire DTO. type StreamEndParams struct { StreamID string `json:"streamId" validate:"nonempty"` LastSeq int64 `json:"lastSeq" validate:"min=0"` Error string `json:"error,omitempty"` Interrupted bool `json:"interrupted,omitempty"` } // StreamOpenParams is a generated Extension Protocol v2 wire DTO. type StreamOpenParams struct { StreamID string `json:"streamId" validate:"nonempty"` ProviderRef string `json:"providerRef" validate:"nonempty"` Model string `json:"model,omitempty"` Effort string `json:"effort,omitempty"` Request ProviderRequest `json:"request"` SeqBase int `json:"seqBase" validate:"min=0"` Generation uint64 `json:"generation,omitempty"` Epoch string `json:"epoch,omitempty"` } // ProviderRequest is a generated Extension Protocol v2 wire DTO. type ProviderRequest struct { Messages []ProviderMessage `json:"messages"` Tools []ProviderToolSchema `json:"tools"` Temperature *float64 `json:"temperature,omitempty"` MaxTokens int `json:"maxTokens" validate:"min=0"` ResponseFormat *ProviderResponseFormat `json:"responseFormat,omitempty"` } // ProviderMessage is a generated Extension Protocol v2 wire DTO. type ProviderMessage struct { Role ProviderRole `json:"role,omitempty"` Content string `json:"content,omitempty" externalizable:"true"` Images []string `json:"images,omitempty"` ReasoningContent string `json:"reasoning_content,omitempty"` ReasoningSignature string `json:"reasoning_signature,omitempty"` ToolCalls []ProviderToolCall `json:"tool_calls,omitempty"` ToolCallID string `json:"tool_call_id,omitempty"` Name string `json:"name,omitempty"` } // ProviderRole is a generated Extension Protocol v2 string enum. type ProviderRole string const ( ProviderRoleSystem ProviderRole = "system" ProviderRoleUser ProviderRole = "user" ProviderRoleAssistant ProviderRole = "assistant" ProviderRoleTool ProviderRole = "tool" ) // ProviderToolSchema is a generated Extension Protocol v2 wire DTO. type ProviderToolSchema struct { Name string `json:"name" validate:"nonempty"` Description string `json:"description,omitempty"` Parameters json.RawMessage `json:"parameters"` } // ProviderResponseFormat is a generated Extension Protocol v2 wire DTO. type ProviderResponseFormat struct { Type string `json:"type" validate:"nonempty"` } // StreamOpenResult is a generated Extension Protocol v2 wire DTO. type StreamOpenResult struct { Accepted bool `json:"accepted"` } // ResourcesChangedParams is a generated Extension Protocol v2 wire DTO. type ResourcesChangedParams struct { Paths []string `json:"paths"` } // ShutdownParams is a generated Extension Protocol v2 wire DTO. type ShutdownParams struct { TimeoutMillis int `json:"timeoutMillis" validate:"min=0"` } // ShutdownResult is a generated Extension Protocol v2 wire DTO. type ShutdownResult struct { Accepted bool `json:"accepted"` } // UIActionParams is a generated Extension Protocol v2 wire DTO. type UIActionParams struct { ActionID string `json:"actionId" validate:"nonempty"` SessionID string `json:"sessionId" validate:"nonempty"` Generation uint64 `json:"generation"` Args map[string]string `json:"args,omitempty"` } // UIActionResult is a generated Extension Protocol v2 wire DTO. type UIActionResult struct { Accepted bool `json:"accepted"` Message string `json:"message,omitempty"` } // UISubmitParams is a generated Extension Protocol v2 wire DTO. type UISubmitParams struct { SurfaceID string `json:"surfaceId" validate:"nonempty"` SessionID string `json:"sessionId" validate:"nonempty"` Generation uint64 `json:"generation"` Values map[string]any `json:"values"` } // UISubmitResult is a generated Extension Protocol v2 wire DTO. type UISubmitResult struct { Accepted bool `json:"accepted"` } // ContentReadParams is a generated Extension Protocol v2 wire DTO. type ContentReadParams struct { ContentRef string `json:"contentRef" validate:"nonempty"` Offset int64 `json:"offset" validate:"min=0"` } // ContentReadResult is a generated Extension Protocol v2 wire DTO. type ContentReadResult struct { ContentRef string `json:"contentRef" validate:"nonempty"` Offset int64 `json:"offset" validate:"min=0"` DataBase64 string `json:"dataBase64"` NextOffset *int64 `json:"nextOffset,omitempty" validate:"min=0"` TotalBytes int64 `json:"totalBytes" validate:"min=0"` SHA256 string `json:"sha256" validate:"sha256"` Encoding ContentEncoding `json:"encoding"` } // ContentEncoding is a generated Extension Protocol v2 string enum. type ContentEncoding string const ( ContentUTF8 ContentEncoding = "utf8" ) // UIPublishParams is a generated Extension Protocol v2 wire DTO. type UIPublishParams struct { SurfaceID string `json:"surfaceId" validate:"nonempty"` SessionID string `json:"sessionId" validate:"nonempty"` Generation uint64 `json:"generation"` Kind UISurfaceKind `json:"kind"` Payload json.RawMessage `json:"payload"` } // UISurfaceKind is a generated Extension Protocol v2 string enum. type UISurfaceKind string const ( UISurfaceStatus UISurfaceKind = "status" UISurfaceCard UISurfaceKind = "card" UISurfaceForm UISurfaceKind = "form" UISurfaceNotification UISurfaceKind = "notification" ) // UIPublishResult is a generated Extension Protocol v2 wire DTO. type UIPublishResult struct { Accepted bool `json:"accepted"` } // UIRequestParams is a generated Extension Protocol v2 wire DTO. type UIRequestParams struct { SurfaceID string `json:"surfaceId" validate:"nonempty"` SessionID string `json:"sessionId" validate:"nonempty"` Generation uint64 `json:"generation"` Kind UIRequestKind `json:"kind"` Payload json.RawMessage `json:"payload"` } // UIRequestKind is a generated Extension Protocol v2 string enum. type UIRequestKind string const ( UIRequestConfirm UIRequestKind = "confirm" UIRequestInput UIRequestKind = "input" UIRequestSelect UIRequestKind = "select" UIRequestMultiselect UIRequestKind = "multiselect" ) // UIRequestResult is a generated Extension Protocol v2 wire DTO. type UIRequestResult struct { Cancelled bool `json:"cancelled"` Values map[string]any `json:"values,omitempty"` } // UIStatusPayload is a generated Extension Protocol v2 wire DTO. type UIStatusPayload struct { Label string `json:"label" validate:"nonempty"` Detail string `json:"detail,omitempty"` Severity UISeverity `json:"severity,omitempty"` Progress *float64 `json:"progress,omitempty"` } // UISeverity is a generated Extension Protocol v2 string enum. type UISeverity string const ( UISeverityInfo UISeverity = "info" UISeverityWarn UISeverity = "warn" UISeverityError UISeverity = "error" ) // UICardPayload is a generated Extension Protocol v2 wire DTO. type UICardPayload struct { Title string `json:"title,omitempty"` Markdown string `json:"markdown,omitempty"` Text string `json:"text,omitempty"` Fields []UIKeyValue `json:"fields,omitempty"` Progress *float64 `json:"progress,omitempty"` Actions []UIActionRef `json:"actions,omitempty"` } // UIKeyValue is a generated Extension Protocol v2 wire DTO. type UIKeyValue struct { Key string `json:"key" validate:"nonempty"` Value string `json:"value"` } // UIActionRef is a generated Extension Protocol v2 wire DTO. type UIActionRef struct { ActionID string `json:"actionId" validate:"nonempty"` Label string `json:"label" validate:"nonempty"` } // UIFormPayload is a generated Extension Protocol v2 wire DTO. type UIFormPayload struct { Title string `json:"title,omitempty"` Message string `json:"message,omitempty"` Fields []UIFormField `json:"fields"` } // UIFormField is a generated Extension Protocol v2 wire DTO. type UIFormField struct { Key string `json:"key" validate:"nonempty"` Label string `json:"label,omitempty"` Kind UIFieldKind `json:"kind"` Options []string `json:"options,omitempty"` Default any `json:"default,omitempty"` Required bool `json:"required,omitempty"` } // UIFieldKind is a generated Extension Protocol v2 string enum. type UIFieldKind string const ( UIFieldConfirm UIFieldKind = "confirm" UIFieldInput UIFieldKind = "input" UIFieldSelect UIFieldKind = "select" UIFieldMultiselect UIFieldKind = "multiselect" ) // UINotificationPayload is a generated Extension Protocol v2 wire DTO. type UINotificationPayload struct { Title string `json:"title" validate:"nonempty"` Body string `json:"body,omitempty"` Severity UISeverity `json:"severity,omitempty"` } // ProtocolErrorData is a generated Extension Protocol v2 wire DTO. type ProtocolErrorData struct { Reason ErrorReason `json:"reason"` Retryable bool `json:"retryable"` } // ErrorReason is a generated Extension Protocol v2 string enum. type ErrorReason string const ( ErrActivationFailed ErrorReason = "activation_failed" ErrCapabilityNotDeclared ErrorReason = "capability_not_declared" ErrCleanupFailed ErrorReason = "cleanup_failed" ErrContentRefExpired ErrorReason = "content_ref_expired" ErrDependencyCycle ErrorReason = "dependency_cycle" ErrDependencyUnsatisfied ErrorReason = "dependency_unsatisfied" ErrFrameTooLarge ErrorReason = "frame_too_large" ErrInterceptTimeout ErrorReason = "intercept_timeout" ErrInternal ErrorReason = "internal" ErrInvalidParams ErrorReason = "invalid_params" ErrProtocolError ErrorReason = "protocol_error" ErrProviderFailed ErrorReason = "provider_failed" ErrProviderInterrupted ErrorReason = "provider_interrupted" ErrSchemaMismatch ErrorReason = "schema_mismatch" ErrShutdownTimeout ErrorReason = "shutdown_timeout" ErrStaleGeneration ErrorReason = "stale_generation" ErrStreamCancelled ErrorReason = "stream_cancelled" ErrStreamGap ErrorReason = "stream_gap" ErrUnknownMethod ErrorReason = "unknown_method" ErrUnsupportedVersion ErrorReason = "unsupported_version" )