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My version of https://github.com/vercel-labs/fx
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std = @import("std");const skill_contract = @import("../skills/skill_contract.zig");const agent_runtime = @import("../agent/agent_runtime.zig");const tool_mcp_runtime = @import("../tooling/tool_mcp_runtime.zig");const agent_stream_provider = @import("../agent/stream_provider.zig");const command_admission = @import("../permissions/command_admission.zig");const permission_auto_classifier = @import("../permissions/auto_classifier.zig");const auth_runtime = @import("../auth/auth_runtime.zig");const credentials = @import("../auth/credentials.zig");const secret = @import("../auth/secret.zig");const model_capabilities = @import("../config/model_capabilities.zig");const input_completion_runtime = @import("input_completion_runtime.zig");const composer_stash = @import("../input/composer_stash.zig");const app_permission_runtime = @import("app_permission_runtime.zig");const provider_runtime = @import("provider_runtime.zig");const core_input_runtime = @import("../input/runtime.zig");const app_worker_runtime = @import("app_worker_runtime.zig");const app_session_runtime = @import("app_session_runtime.zig");const runtime_profile = @import("../hosts/runtime_profile.zig");const change_tracker_mod = @import("../workspace/change_tracker.zig");const debug_trace = @import("../shared/debug_trace.zig");const diagnostics = @import("../workspace/diagnostics.zig");const diff_mod = @import("../output/diff.zig");const file_mutation = @import("../tooling/file_mutation.zig");const file_mutation_contract = @import("../tooling/file_mutation_contract.zig");const command_output_content = @import("../tooling/command_output_content.zig");const tool_admission = @import("../tooling/tool_admission.zig");const tool_presentation = @import("../tooling/tool_presentation.zig");const gateway_error_format = @import("../shared/gateway_error_format.zig");const io_mod = @import("../shared/io.zig");const session_runtime = @import("../session/session.zig");const session_codec = @import("../session/session_codec.zig");const subagent_tool_host = @import("../subagent/tool_host.zig");const subagent_model_contract = @import("../subagent/model_contract.zig");const result_store = @import("../session/result_store.zig");const tool_result_limits = @import("../tooling/tool_result_limits.zig");const session_usage = @import("../session/session_usage.zig");const types = @import("../shared/types.zig");const worker_runtime = @import("../agent/worker_runtime.zig");const assistant_presentation = @import("../agent/assistant_presentation.zig");const activity_runtime = @import("../output/activity_runtime.zig");const compaction_activity = @import("../output/compaction_activity.zig");const assistant_pacer = @import("../../ui/assistant/pacer.zig");const ui_render = @import("../../ui/render.zig");const render_request = @import("../../ui/render_request.zig");const transcript_runtime = @import("../../ui/transcript/runtime.zig");
const Allocator = std.mem.Allocator;const ChatMessage = types.ChatMessage;const HistoryTurn = types.HistoryTurn;const PermissionGrant = types.PermissionGrant;const PermissionMode = types.PermissionMode;const ToolCall = types.ToolCall;const ToolExecutionResult = agent_runtime.ToolExecutionResult;const WorkerEvent = worker_runtime.WorkerEvent;
const reset_style = ui_render.reset_style;
fn preparedDiffPayload( alloc: Allocator, handoff: file_mutation.CommittedFileHandoff,) !diff_mod.DiffEntryPayload { return preparedDiffPayloadWithFullAllocator(alloc, alloc, handoff);}
fn preparedDiffPayloadWithFullAllocator( alloc: Allocator, full_alloc: Allocator, handoff: file_mutation.CommittedFileHandoff,) !diff_mod.DiffEntryPayload { return diff_mod.formatFileChangePayload( alloc, full_alloc, handoff.preview, handoff.tracker.previous_content, if (handoff.full_view) |snapshot| .{ .after_content = snapshot.after_content, .lifecycle_id = snapshot.lifecycle_id, } else null, .{ .added_fg = ui_render.diff_added_style, .removed_fg = ui_render.diff_removed_style, .context_fg = ui_render.dim_style, .added_marker_fg = ui_render.diff_added_marker_style, .removed_marker_fg = ui_render.diff_removed_marker_style, .reset = ui_render.reset_style, }, );}
test "prepared preview formatter preserves context and informative elision" { const preview: diff_mod.FileChangePreview = .{ .path = "note.txt", .lines = &.{ .{ .op = .context, .old_line = 1, .new_line = 1, .text = "alpha", }, .{ .op = .deletion, .old_line = 2, .text = "before", }, .{ .op = .addition, .new_line = 2, .text = "after", }, .{ .op = .elision, .text = "⋯ +2 -1 omitted", }, }, .additions = 3, .deletions = 2, .truncated = true, }; const formatted = try diff_mod.formatFileChangePreview( std.testing.allocator, preview, .{ .added_fg = "", .removed_fg = "", .context_fg = "", .reset = "", }, ); defer std.testing.allocator.free(formatted);
try std.testing.expect(std.mem.find(u8, formatted, "alpha") != null); try std.testing.expect( std.mem.find(u8, formatted, "⋯ +2 -1 omitted") != null, );}
test "prepared diff payload keeps compact elision and retains the complete approved review" { const alloc = std.testing.allocator; var after: std.ArrayList(u8) = .empty; defer after.deinit(alloc); for (1..121) |line_number| { var line: [32]u8 = undefined; try after.appendSlice( alloc, try std.fmt.bufPrint(&line, "full-review-{d:0>3}\n", .{line_number}), ); }
const preview_lines = [_]diff_mod.PreviewLine{ .{ .op = .addition, .new_line = 1, .text = "full-review-001" }, .{ .op = .elision, .text = "⋯ +118 omitted" }, .{ .op = .addition, .new_line = 120, .text = "full-review-120" }, }; const handoff = file_mutation.CommittedFileHandoff.init( .{ .path = "full-review.txt", .lines = &preview_lines, .additions = 120, .deletions = 0, .truncated = true, }, .{ .kind = .write, .raw_path = "/tmp/full-review.txt", .previous_content = null, .committed_at_ms = 0, }, ); var enriched_handoff = handoff; enriched_handoff.full_view = .{ .after_content = after.items, .lifecycle_id = .{ .turn_id = 39, .call_id = "full-review" }, };
const payload = try preparedDiffPayload(alloc, enriched_handoff); defer diff_mod.freeDiffEntryPayload(alloc, payload);
try std.testing.expect(std.mem.indexOf(u8, payload.preview, "⋯ +118 omitted") != null); const full = payload.full orelse return error.TestExpectedFullDiff; try std.testing.expect(std.mem.indexOf(u8, full.content, "full-review-001") != null); try std.testing.expect(std.mem.indexOf(u8, full.content, "full-review-120") != null); try std.testing.expect(std.mem.indexOf(u8, full.content, "⋯ +118 omitted") == null);}
test "prepared diff payload keeps compact output when full formatting is unavailable" { const handoff = testCommittedFileHandoff(); var enriched_handoff = handoff; enriched_handoff.full_view = .{ .after_content = "after\n", .lifecycle_id = .{ .turn_id = 40, .call_id = "full-format-fallback" }, }; var failing = std.testing.FailingAllocator.init( std.testing.allocator, .{ .fail_index = 0 }, );
const payload = try preparedDiffPayloadWithFullAllocator( std.testing.allocator, failing.allocator(), enriched_handoff, ); defer diff_mod.freeDiffEntryPayload(std.testing.allocator, payload);
try std.testing.expect(payload.full == null); try std.testing.expect(std.mem.indexOf(u8, payload.preview, "after") != null);}
test "full diff formatter renders unchanged review elisions" { const before = "same-01\n" ++ "same-02\n" ++ "same-03\n" ++ "same-04\n" ++ "same-05\n" ++ "same-06\n" ++ "same-07\n" ++ "same-08\n" ++ "same-09\n" ++ "same-10\n" ++ "old\n"; const after = "same-01\n" ++ "same-02\n" ++ "same-03\n" ++ "same-04\n" ++ "same-05\n" ++ "same-06\n" ++ "same-07\n" ++ "same-08\n" ++ "same-09\n" ++ "same-10\n" ++ "new\n"; const preview_lines = [_]diff_mod.PreviewLine{ .{ .op = .deletion, .old_line = 11, .text = "old" }, .{ .op = .addition, .new_line = 11, .text = "new" }, }; var handoff = file_mutation.CommittedFileHandoff.init( .{ .path = "elision.txt", .lines = &preview_lines, .additions = 1, .deletions = 1, .truncated = false, }, .{ .kind = .edit, .raw_path = "/tmp/elision.txt", .previous_content = before, .committed_at_ms = 0, }, ); handoff.full_view = .{ .after_content = after, .lifecycle_id = .{ .turn_id = 41, .call_id = "context-elision" }, };
const snapshot = handoff.full_view orelse return error.TestExpectedFullDiff; const full = (try diff_mod.formatFileChangeFullDiff( std.testing.allocator, handoff.tracker.previous_content, .{ .after_content = snapshot.after_content, .lifecycle_id = snapshot.lifecycle_id, }, .{}, )) orelse return error.TestExpectedFullDiff; defer full.deinit(std.testing.allocator); try std.testing.expect(std.mem.indexOf(u8, full.content, "5 unchanged lines ⋯") != null); try std.testing.expect(std.mem.indexOf(u8, full.content, "old") != null); try std.testing.expect(std.mem.indexOf(u8, full.content, "new") != null);}
pub fn Bindings(comptime App: type) type { return struct { pub fn finishPromptPresentation(app: *App, finished: types.FinishedPrompt) !assistant_pacer.FinishResult { try app_session_runtime.Runtime(App).appendFinishedPrompt(app, finished); if (finished.summary) |summary| { _ = app.shell.appendTurnSummaryEntry(app.alloc, summary) catch |err| { return .{ .presentation_failed = err }; }; } return .committed; }
pub fn agentRuntimeDeps(app: *App) agent_runtime.AgentRuntimeDeps { var deps: agent_runtime.AgentRuntimeDeps = .{ .ctx = @ptrCast(app), .agent_stream_provider = if (comptime @hasDecl(App, "agentStreamProvider")) app.agentStreamProvider() else agent_stream_provider.unavailable_provider, .cooperative_transport_pulse = if (comptime @hasDecl(App, "cooperativeTransportPulse")) .{ .ctx = @ptrCast(app), .run = cooperativeTransportPulse, } else null, .tool_registry = if (comptime @hasDecl(App, "toolRegistry")) app.toolRegistry() else .{}, .context_registry = if (comptime @hasDecl(App, "contextRegistry")) app.contextRegistry() else null, .context_enabled = if (comptime @hasField(App, "context_enabled")) app.context_enabled else false, .snapshot_root_permission_mode = if (comptime @hasField(App, "permission_engine")) agentSnapshotRootPermissionMode else null, .finalize_turn = agentFinalizeTurn, .take_steering_boundary = if (comptime @hasDecl(@TypeOf(app.worker), "takeSteeringBoundary")) agentTakeSteeringBoundary else null, .wait_for_subagent = if (comptime supportsSubagentSteering()) waitForSubagent else null, .prepare_parent_turn_context = if (comptime supportsSubagentSteering()) prepareSubagentContext else null, .acknowledge_parent_turn_context = if (comptime supportsSubagentSteering()) acknowledgeSubagentContext else null, .append_runtime_context = agentAppendRuntimeContext, .append_static_context = agentAppendStaticContext, .validate_tool_call = agentValidateToolCall, .snapshot_mcp_definition = agentSnapshotMcpDefinition, .prepare_skill_call = if (comptime @hasField(App, "skills") and @hasDecl(App, "toolRegistry")) agentPrepareSkillCall else null, .check_tool_availability = agentCheckToolAvailability, .request_tool_permission = agentRequestToolPermission, .request_prepared_file_mutation_permission = agentRequestPreparedFileMutationPermission, .resolve_tool_action_display_target = if (comptime @hasDecl(App, "resolveToolActionDisplayTarget")) agentResolveToolActionDisplayTarget else null, .describe_tool_action = agentDescribeToolAction, .describe_tool_action_completed = agentDescribeToolActionCompleted, .describe_tool_action_denied = agentDescribeToolActionDenied, .subagent_status_renderer = subagentStatusRenderer(app), .permission_target_for_call = agentPermissionTargetForCall, .execute_tool_call = agentExecuteToolCall, .publish_committed_file_handoff = agentPublishCommittedFileHandoff, .propagate_history_turn = agentPropagateHistoryTurn, .commit_context_compaction = .{ .commit = agentCommitContextCompaction }, .compaction_activity = if (comptime @hasDecl(@TypeOf(app.worker), "beginCompactionActivity")) .{ .begin = beginCompactionActivity, .running = runCompactionActivity, .settle = settleCompactionActivity, } else null, .recovery_checkpoint = if (comptime @hasField(App, "session_persistence")) if (app.session_persistence.writable != null) .{ .set = agentSetRecoveryCheckpoint, .clear = agentClearRecoveryCheckpoint, } else null else null, .propagate_grant = agentPropagateGrant, .push_event = agentPushEvent, .push_text = agentPushText, .push_tool_lifecycle = agentPushToolLifecycle, .push_diff_block = agentPushDiffBlock, .push_system_notice = agentPushSystemNotice, .push_interactive_notice = agentPushInteractiveNotice, .push_context_notice = agentPushContextNotice, .push_route_recovery_status = agentPushRouteRecoveryStatus, .restore_failed_prompt = agentRestoreFailedPrompt, .push_command_output_complete = agentPushCommandOutputComplete, .push_http_error = agentPushHttpError, .refresh_gateway_credential = if (comptime @hasField(App, "auth")) refreshGatewayCredential else null, .request_route_recovery = if (comptime @hasDecl(@TypeOf(app.worker), "requestRouteRecoveryAnswerBlocking")) agentRequestRouteRecovery else null, .available_model_capabilities = agentAvailableModelCapabilities, .resolve_model_capabilities = agentResolveModelCapabilities, .model_catalog_unavailable = agentModelCatalogUnavailable, .format_tool_execution_error = agentFormatToolExecutionError, .record_tool_call_rejected = agentRecordToolCallRejected, .record_tool_call_failed = agentRecordToolCallFailed, .report_usage = agentReportUsage, .report_inner_tool_usage = agentReportInnerToolUsage, .usage_allocator = app.alloc, .diff_marker_styles = .{ .added = ui_render.diff_added_marker_style, .removed = ui_render.diff_removed_marker_style, }, }; if (comptime @hasField(@TypeOf(app.session), "usage")) { deps.usage = &app.session.usage; if (comptime @hasField(App, "session_persistence") and @hasField(@TypeOf(app.session_persistence), "writable")) { app.session.usage.configureCheckpointSink( if (app.session_persistence.writable != null) .{ .context = @ptrCast(app), .allocator = app.alloc, .persist = agentPersistUsageCheckpoint, } else null, ); } } if (comptime @hasDecl(App, "releaseAgentTerminalLease")) { deps.release_agent_terminal_lease = agentReleaseTerminalLease; } return deps; }
fn agentReleaseTerminalLease(ctx: *anyopaque, session_id: []const u8) !void { const app: *App = @ptrCast(@alignCast(ctx)); return app.releaseAgentTerminalLease(session_id); }
fn refreshGatewayCredential( raw_ctx: *anyopaque, alloc: std.mem.Allocator, source: credentials.Source, mode: auth_runtime.CredentialRefreshMode, expected_account_id: ?[]const u8, ) !?[]u8 { const app: *App = @ptrCast(@alignCast(raw_ctx)); if (mode == .if_needed and auth_runtime.requestPathCredentialVerifiedRecently(source)) { debug_trace.logf("auth", "credential refresh skipped source={t} reason=verified_recently", .{source}); return null; } var refreshed = (try auth_runtime.refreshCredentialForAccount( app.auth.oauthTransport(), std.heap.c_allocator, source, mode, expected_account_id, )) orelse return null; var owns_refreshed = true; defer if (owns_refreshed) refreshed.deinit(std.heap.c_allocator); if (app.auth.preparedCredentialChange(refreshed) == .authority) { return error.CredentialAuthorityChanged; }
const worker_token = try alloc.dupe(u8, refreshed.token); errdefer secret.zeroAndFree(alloc, worker_token); try app_worker_runtime.Runtime(App).pushOwnedEvent(app, .{ .credential_refreshed = refreshed, }); owns_refreshed = false; return worker_token; }
pub fn modelCapabilityResolver(app: *App) model_capabilities.Resolver { return .{ .ctx = @ptrCast(app), .resolve_fn = agentResolveModelCapabilities, }; }
pub fn modelOverrideResolver(app: *App) subagent_tool_host.ModelOverrideResolver { return .{ .context = @ptrCast(app), .resolve_fn = resolveSubagentModelOverride, }; }
pub fn semanticPresentationSink(app: *App) agent_runtime.SemanticPresentationSink { return .{ .ctx = @ptrCast(app), .table = agentPushTable, .code_block = agentPushCodeBlock, .thematic_rule = agentPushThematicRule, }; }
pub fn workerEventHandlers(app: *App) app_worker_runtime.WorkerEventHandlers { return .{ .ctx = @ptrCast(app), .tool_lifecycle = worker_tool_lifecycle_presenter(app), .write_user_prompt = workerBridgeWriteUserPrompt, .write_user_prompt_with_skill_bindings = workerBridgeWriteUserPromptWithSkillBindings, .append_text = workerBridgeAppendText, .append_table = workerBridgeAppendTable, .append_code_block = workerBridgeAppendCodeBlock, .append_thematic_rule = workerBridgeAppendThematicRule, .drain_assistant_text = workerBridgeDrainAssistantText, .open_model_picker = workerBridgeOpenModelPicker, .semantic_notice = workerBridgeSemanticNotice, .credential_refreshed = workerBridgeCredentialRefreshed, .command_output = workerBridgeCommandOutput, .command_output_complete = workerBridgeCommandOutputComplete, .diff_block = workerBridgeDiffBlock, .context_compaction = workerBridgeContextCompaction, .prepare_fresh_prompt = workerBridgePrepareFreshPrompt, .append_history_turn = workerBridgeAppendHistoryTurn, .session_grant = workerBridgeSessionGrant, .error_text = workerBridgeErrorText, }; }
pub fn worker_tool_lifecycle_presenter( app: *App, ) activity_runtime.LifecyclePresenter { return .{ .ctx = @ptrCast(app), .snapshot_fn = worker_tool_lifecycle_snapshot, .record_fn = worker_tool_lifecycle_record, .apply_fn = worker_apply_tool_lifecycle, .finish_batch_fn = worker_finish_tool_lifecycle_batch, }; }
fn worker_tool_lifecycle_snapshot( raw_ctx: *anyopaque, ) activity_runtime.LifecycleSnapshot { const app: *App = @ptrCast(@alignCast(raw_ctx)); return .{ .finalized_turn_watermark = app.shell.finalizedToolTurnWatermark(), .active_tool_count = app.shell.activeToolActivityCount(), .focused_entry_id = app.shell.focusedToolEntryId(), .focused_activity_kind = app.shell.focusedToolActivityKind(), .activity = app.shell.activityProjection(), }; }
fn worker_tool_lifecycle_record( raw_ctx: *anyopaque, id: types.ToolLifecycleId, ) ?activity_runtime.ToolPresentationRecord { const app: *App = @ptrCast(@alignCast(raw_ctx)); return app.shell.toolActivityRecord(id); }
fn worker_apply_tool_lifecycle( raw_ctx: *anyopaque, alloc: std.mem.Allocator, event: types.ToolLifecycleEvent, ) !activity_runtime.LifecycleTransition { const app: *App = @ptrCast(@alignCast(raw_ctx)); const previous_focused_entry_id = app.shell.focusedToolEntryId(); const preserve_normal_buffer_anchor = if (comptime @hasField(App, "terminal")) app.terminal.alternate_screen_owner != .none else false; const applied_activity_kind = if (preserve_normal_buffer_anchor) try app.shell.applyToolLifecyclePreservingNormalBufferAnchor(alloc, event) else try app.shell.applyToolLifecycle(alloc, event); if (comptime @hasField(App, "workspace_root")) switch (event) { .authoritative_started => |started| if (started.arguments_json) |arguments_json| { var parsed = std.json.parseFromSlice(std.json.Value, alloc, arguments_json, .{}) catch |err| { debug_trace.logf( "ui_activity", "command metadata parse failed turn_id={d} err={s}", .{ started.id.turn_id, @errorName(err) }, ); return .{ .previous_focused_entry_id = previous_focused_entry_id, .snapshot = worker_tool_lifecycle_snapshot(raw_ctx), .applied_activity_kind = applied_activity_kind, .terminal_record = null, }; }; defer parsed.deinit(); if (parsed.value == .object) { if (parsed.value.object.get("command")) |command_value| { if (command_value == .string) { const workspace_root = if (comptime @hasDecl(App, "workspaceHostInfo")) if (app.workspaceHostInfo()) |info| info.root() else app.workspace_root else app.workspace_root; const display = tool_presentation.formatRunCommandDetailBounded( alloc, command_value.string, workspace_root, tool_presentation.max_run_command_reflow_bytes, ) catch |err| blk: { debug_trace.logf( "ui_activity", "command display unavailable turn_id={d} err={s}", .{ started.id.turn_id, @errorName(err) }, ); break :blk null; }; defer if (display) |bytes| alloc.free(bytes); if (display == null) debug_trace.logf( "ui_activity", "command display withheld turn_id={d}", .{started.id.turn_id}, ); const action_label = tool_presentation.runCommandCompletedActionLabel( alloc, app.toolRegistry(), .{ .id = started.id.call_id, .name = started.tool_name, .arguments_json = arguments_json, }, ) catch |err| blk: { debug_trace.logf( "ui_activity", "command action label unavailable turn_id={d} err={s}", .{ started.id.turn_id, @errorName(err) }, ); break :blk null; }; if (action_label == null) debug_trace.logf( "ui_activity", "command action label withheld turn_id={d}", .{started.id.turn_id}, ); if (display != null and action_label != null) { app.shell.setToolCommandMetadata( alloc, started.id, display.?, action_label.?, ) catch |err| debug_trace.logf( "ui_activity", "command metadata unavailable turn_id={d} err={s}", .{ started.id.turn_id, @errorName(err) }, ); } } } else if (comptime @hasField(App, "terminal_client") and @hasField(App, "managed_executions")) { // Terminal-session actions (interact, stop) carry no // command argument; their status line shows the launch // command resolved from the session registry, truncated // to the compact activity bound. Store the reflow-bound // display so group projection can reclip the phrase to // the live terminal width like any other command. if (app.toolRegistry().lookup(started.tool_name)) |spec| { if (spec.executor_kind == .terminal) { const workspace_root = if (comptime @hasDecl(App, "workspaceHostInfo")) if (app.workspaceHostInfo()) |info| info.root() else app.workspace_root else app.workspace_root; const session_call: ToolCall = .{ .id = started.id.call_id, .name = started.tool_name, .arguments_json = arguments_json, }; const session_display = tool_presentation.resolveTerminalDisplayTargetBounded( alloc, app.toolRegistry(), workspace_root, &app.terminal_client, &app.managed_executions, session_call, tool_presentation.max_run_command_reflow_bytes, ) catch |err| blk: { debug_trace.logf( "ui_activity", "session command display unavailable turn_id={d} err={s}", .{ started.id.turn_id, @errorName(err) }, ); break :blk null; }; defer if (session_display) |bytes| alloc.free(bytes); const session_label = tool_presentation.terminalSessionCompletedActionLabel( alloc, app.toolRegistry(), session_call, ) catch |err| blk: { debug_trace.logf( "ui_activity", "session command action label unavailable turn_id={d} err={s}", .{ started.id.turn_id, @errorName(err) }, ); break :blk null; }; if (session_display != null and session_label != null) { app.shell.setToolCommandMetadata( alloc, started.id, session_display.?, session_label.?, ) catch |err| debug_trace.logf( "ui_activity", "command metadata unavailable turn_id={d} err={s}", .{ started.id.turn_id, @errorName(err) }, ); } } } } } }, else => {}, }; return .{ .previous_focused_entry_id = previous_focused_entry_id, .snapshot = worker_tool_lifecycle_snapshot(raw_ctx), .applied_activity_kind = applied_activity_kind, .terminal_record = switch (event) { .terminal => |terminal| app.shell.toolActivityRecord(terminal.id), .provisional, .authoritative_started, .progress, .turn_finished => null, }, }; }
fn worker_finish_tool_lifecycle_batch( raw_ctx: *anyopaque, alloc: std.mem.Allocator, ) !void { const app: *App = @ptrCast(@alignCast(raw_ctx)); try app.shell.finishLifecycleBatch(alloc); }
pub fn onCommandOutputChunk(ctx: *anyopaque, lifecycle_id: ?types.ToolLifecycleId, stream: command_output_content.Stream, chunk: []const u8) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (app.worker.worker_cancel_requested.load(.seq_cst)) return; try app_worker_runtime.Runtime(App).pushCommandOutput(app, lifecycle_id, stream, chunk); }
pub fn onMcpProgress(ctx: *anyopaque, lifecycle_id: types.ToolLifecycleId, text: []const u8) void { const app: *App = @ptrCast(@alignCast(ctx)); var label_buf: [512]u8 = undefined; const label = std.fmt.bufPrint( &label_buf, "{s}● {s}{s}", .{ ui_render.bold_style, text, reset_style }, ) catch ui_render.bold_style ++ "● MCP progress" ++ reset_style; app_worker_runtime.Runtime(App).pushToolLifecycle(app, .{ .progress = .{ .id = lifecycle_id, .text = label, } }) catch |err| { debug_trace.logf("mcp", "failed to publish MCP tool progress err={s}", .{@errorName(err)}); return; }; debug_trace.logf("mcp", "queued MCP tool progress turn_id={d}", .{lifecycle_id.turn_id}); }
pub fn onToolProgress(ctx: *anyopaque, lifecycle_id: types.ToolLifecycleId, text: []const u8) void { const app: *App = @ptrCast(@alignCast(ctx)); app_worker_runtime.Runtime(App).pushToolLifecycle(app, .{ .progress = .{ .id = lifecycle_id, .text = text, } }) catch |err| { debug_trace.logf("subagent", "failed to publish subagent progress err={s}", .{@errorName(err)}); }; }
fn renderSubagentStatusLine(ctx: *anyopaque, buf: []u8, status: types.SubagentStatus) []const u8 { const app: *App = @ptrCast(@alignCast(ctx)); const show_context = if (comptime @hasField(App, "statusline_context")) app.statusline_context else false; const show_session = if (comptime @hasField(App, "statusline_session")) app.statusline_session else false; var items: ui_render.StatuslineItems = .{ .context_used = if (show_context) status.input_tokens else 0, .context_total = if (show_context) status.context_window else null, .session_title = if (show_session) status.session_title else null, }; if (comptime @hasField(App, "workspace_identity")) { if (app.workspace_identity.enabled) { const identity = app.workspace_identity.snapshot(); items.workspace_label = identity.workspace_label; items.git_branch = identity.git_branch; } } const caps = model_capabilities.resolveForApp(App, app, status.model); return ui_render.buildSessionStatusLine( status.model, status.effort, caps.supports_reasoning, items, ui_render.subagent_status_width, buf, ); }
pub fn subagentStatusRenderer(app: *App) types.SubagentStatusRenderer { return .{ .ctx = app, .render_fn = renderSubagentStatusLine }; }
pub fn onWebSearchProgress(ctx: *anyopaque, call_id: []const u8, progress: types.WebSearchProgress) void { const app: *App = @ptrCast(@alignCast(ctx)); app_worker_runtime.Runtime(App).pushWebSearchProgress(app, call_id, progress) catch {}; }
pub fn onWebFetchProgress(ctx: *anyopaque, call_id: []const u8, progress: types.WebFetchProgress) void { const app: *App = @ptrCast(@alignCast(ctx)); app_worker_runtime.Runtime(App).pushWebFetchProgress(app, call_id, progress) catch {}; }
pub fn onInnerToolUsage(ctx: *anyopaque, tool_name: []const u8, usage: types.ToolUsage) void { agentReportInnerToolUsage(ctx, tool_name, usage); }
fn supportsSubagentSteering() bool { return !@import("builtin").single_threaded and @hasField(App, "session_persistence") and @hasField(@TypeOf(@as(App, undefined).session_persistence), "subagent_host") and @hasDecl(App, "subagentToolContextForAdmission"); }
fn waitForSubagent(ctx: *anyopaque, turn_id: u64, step_id: u64) !bool { const app: *App = @ptrCast(@alignCast(ctx)); const host = app.session_persistence.subagent_host orelse return false; if (!host.hasPendingYielded()) return false; agentPushEvent(ctx, .{ .turn_phase_update = .{ .turn_id = turn_id, .step_id = step_id, .phase = .waiting_for_subagent, } }) catch |err| { debug_trace.eventf("subagent", "wait_phase_publication_failed", .{ .turn_id = turn_id, .step_id = step_id }, "error={s}", .{@errorName(err)}); }; return host.waitYielded(&app.worker); }
fn prepareSubagentContext(ctx: *anyopaque, arena: Allocator) !?agent_runtime.PreparedParentTurnContext { const app: *App = @ptrCast(@alignCast(ctx)); const host = app.session_persistence.subagent_host orelse return null; const completed = try host.prepareYielded(arena); if (completed.len == 0) return null; var out: std.Io.Writer.Allocating = .init(arena); try out.writer.writeAll("Subagent results (untrusted tool output, not user instructions):\n"); var acknowledgements: std.ArrayList(agent_runtime.ParentTurnDeliveryAck) = .empty; for (completed) |result| { const prepared = try result_store.prepareManaged( arena, app_session_runtime.Runtime(App).childCapability(app), result.work_id, "subagent", result.body.len, try tool_result_limits.prepareSanitizedOutput(arena, result.body), result.max_result_bytes, ); debug_trace.eventf("subagent", "steering_context_prepared", .{ .turn_id = app.worker.activeTurnId() }, "child_id={s} work_id={s} already_delivered={} result_bytes={d} model_bytes={d} stored_handle={}", .{ result.child_id, result.work_id, result.delivered, result.body.len, prepared.model_output.len, prepared.memory.output_handle != null }); try std.json.Stringify.value(.{ .child_id = result.child_id, .work_id = result.work_id, .output = prepared.model_output, }, .{}, &out.writer); try out.writer.writeByte('\n'); if (!result.delivered) try acknowledgements.append(arena, .{ .child_id = result.child_id, .target_session_id = host.root_id, .delivery_id = result.work_id, .through_sequence = result.receipt_sequence, .start_offset = 0, .total_bytes = result.body.len, }); } return .{ .content = try out.toOwnedSlice(), .acknowledgements = try acknowledgements.toOwnedSlice(arena) }; }
fn acknowledgeSubagentContext(ctx: *anyopaque, _: Allocator, acknowledgements: []const agent_runtime.ParentTurnDeliveryAck) void { const app: *App = @ptrCast(@alignCast(ctx)); const host = app.session_persistence.subagent_host orelse return; for (acknowledgements) |ack| { if (std.mem.eql(u8, ack.target_session_id, host.root_id)) { if (ack.through_sequence != 0) host.acknowledgeFeedback(ack.child_id, ack.delivery_id, ack.through_sequence) else host.acknowledgeYielded(ack.child_id, ack.delivery_id); } } }
fn agentAppendRuntimeContext(ctx: *anyopaque, arena: Allocator, messages: *std.ArrayList(ChatMessage)) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.appendRuntimeContextMessage(arena, messages); }
fn cooperativeTransportPulse(ctx: *anyopaque) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.cooperativeTransportPulse(); }
fn agentFinalizeTurn(ctx: *anyopaque, turn_id: u64, outcome: types.TurnPresentationOutcome, _: ?types.ProviderCompletionDisposition) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.worker.pushTurnFinished(std.heap.c_allocator, .{ .turn_id = turn_id, .outcome = outcome, }); }
fn agentTakeSteeringBoundary( ctx: *anyopaque, arena: std.mem.Allocator, turn_id: u64, kind: worker_runtime.SteeringBoundaryKind, ) !worker_runtime.SteeringBoundaryResult { const app: *App = @ptrCast(@alignCast(ctx)); const result = try app.worker.takeSteeringBoundary( std.heap.c_allocator, turn_id, kind, ); return switch (result) { .continue_turn => |owned| .{ .continue_turn = try copyOwnedSteering(arena, owned), }, .none => .none, .handoff => .handoff, .interrupt => .interrupt, }; }
fn copyOwnedSteering(arena: std.mem.Allocator, owned: [][]u8) ![][]u8 { if (owned.len == 0) return &.{}; defer { for (owned) |text| std.heap.c_allocator.free(text); std.heap.c_allocator.free(owned); } const result = try arena.alloc([]u8, owned.len); for (owned, result) |text, *dest| dest.* = try arena.dupe(u8, text); return result; }
fn agentAppendStaticContext(ctx: *anyopaque, arena: Allocator, project_context: ?[]const u8, messages: *std.ArrayList(ChatMessage)) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "appendStaticContextMessage")) { try app.appendStaticContextMessage(arena, project_context, messages); } }
fn agentModelCatalogUnavailable(ctx: *anyopaque) bool { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "isModelCacheFailed")) { return app.isModelCacheFailed(); } return false; }
fn resolveSubagentModelOverride(ctx: ?*anyopaque, alloc: Allocator, raw_model: []const u8) Allocator.Error!subagent_model_contract.ModelCatalogMatch { const app: *App = @ptrCast(@alignCast(ctx.?)); if (comptime @hasDecl(App, "resolveModelCapabilitiesForRequest")) { // Wait out a still-loading catalog so early delegation does not // skip matching. Only cancellation maps to passthrough. _ = app.resolveModelCapabilitiesForRequest(raw_model) catch return .no_catalog; } if (comptime @hasDecl(App, "snapshotCachedModelIds")) { var ids = (try app.snapshotCachedModelIds(alloc)) orelse return .no_catalog; defer { for (ids.items) |id| alloc.free(id); ids.deinit(alloc); } return subagent_model_contract.matchCatalogModel(alloc, ids.items, raw_model); } return .no_catalog; }
fn agentResolveModelCapabilities(ctx: *anyopaque, _: Allocator, model: []const u8) model_capabilities.ResolveError!model_capabilities.Capabilities { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "resolveModelCapabilitiesForRequest")) { return app.resolveModelCapabilitiesForRequest(model); } if (comptime @hasDecl(App, "resolvedModelCapabilities")) { return app.resolvedModelCapabilities(model); } if (comptime @hasDecl(App, "providerSet")) { return app.providerSet().select(provider_runtime.provider(app)).fallbackModelCapabilities(model); } return model_capabilities.capabilitiesForModel(model); }
fn agentAvailableModelCapabilities(ctx: *anyopaque, model: []const u8) model_capabilities.Capabilities { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "resolvedModelCapabilities")) { return app.resolvedModelCapabilities(model); } if (comptime @hasDecl(App, "providerSet")) { return app.providerSet().select(provider_runtime.provider(app)).fallbackModelCapabilities(model); } return model_capabilities.capabilitiesForModel(model); }
fn agentRequestToolPermission(ctx: *anyopaque, arena: Allocator, call: ToolCall, review_turn: permission_auto_classifier.ReviewTurnContext, permission_mode: PermissionMode, local_grants: []const PermissionGrant, live_authority: ?agent_runtime.LiveToolAuthority, revalidation: ?agent_runtime.LivePermissionRevalidation, advertised_dynamic_tool_names: []const []const u8, mcp_review_schema_json: ?[]const u8) !command_admission.PermissionOutcome { const app: *App = @ptrCast(@alignCast(ctx)); return app.requestToolPermissionSyncWithAdvertised(arena, call, review_turn, permission_mode, local_grants, live_authority, revalidation, advertised_dynamic_tool_names, mcp_review_schema_json); }
fn agentSnapshotRootPermissionMode(ctx: *anyopaque) PermissionMode { const app: *App = @ptrCast(@alignCast(ctx)); return app_permission_runtime.Runtime(App).livePermissionSnapshot(app).mode; }
fn agentRequestPreparedFileMutationPermission(ctx: *anyopaque, arena: Allocator, call: ToolCall, prepared: *tool_admission.PreparedFileMutationCall, review_turn: permission_auto_classifier.ReviewTurnContext, permission_mode: PermissionMode, local_grants: []const PermissionGrant, live_authority: ?agent_runtime.LiveToolAuthority, advertised_dynamic_tool_names: []const []const u8) !command_admission.PermissionOutcome { const app: *App = @ptrCast(@alignCast(ctx)); return app.requestPreparedFileMutationPermissionSyncWithAdvertised(arena, call, prepared, review_turn, permission_mode, local_grants, live_authority, advertised_dynamic_tool_names); }
fn agentSnapshotMcpDefinition(ctx: *anyopaque, arena: Allocator, name: []const u8, known: tool_mcp_runtime.Binding) !tool_mcp_runtime.DefinitionSnapshot { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "snapshotMcpDefinition")) return app.snapshotMcpDefinition(arena, name, known); return .unavailable; }
fn agentValidateToolCall(ctx: *anyopaque, arena: Allocator, call: ToolCall) !agent_runtime.ToolCallValidationResult { const app: *App = @ptrCast(@alignCast(ctx)); return app.validateToolCall(arena, call); }
fn agentCheckToolAvailability(ctx: *anyopaque, arena: Allocator, call: ToolCall) !?[]const u8 { const app: *App = @ptrCast(@alignCast(ctx)); return app.checkToolAvailability(arena, call); }
fn agentPrepareSkillCall(ctx: *anyopaque, arena: Allocator, call: ToolCall, locations: ?*const skill_contract.Locations) !skill_contract.CallPreparation { const app: *App = @ptrCast(@alignCast(ctx)); const tool = app.toolRegistry().lookup(call.name) orelse return error.UnsupportedTool; const prepare = tool.prepare_skill_call_fn orelse return error.UnsupportedTool; const workspace_root = if (comptime @hasDecl(App, "workspaceHostInfo")) if (app.workspaceHostInfo()) |info| info.root() else app.workspace_root else app.workspace_root; return prepare(.{ .allocator = arena, .workspace_root = workspace_root, .skills_dir = app.skills.dir, .skill_locations = locations, .max_tool_result_bytes = app.worker.effectiveAgentTurnSettings().max_tool_result_bytes, .cancel_flag = &app.worker.worker_cancel_requested, }, call.arguments_json); }
fn agentResolveToolActionDisplayTarget(ctx: *anyopaque, arena: Allocator, call: ToolCall) !?[]const u8 { const app: *App = @ptrCast(@alignCast(ctx)); return app.resolveToolActionDisplayTarget(arena, call); }
fn agentDescribeToolAction(ctx: *anyopaque, arena: Allocator, call: ToolCall, display_target: ?[]const u8, advertised_dynamic_tool_names: []const []const u8) ![]const u8 { const app: *App = @ptrCast(@alignCast(ctx)); return app.describeToolActionWithAdvertised(arena, call, display_target, advertised_dynamic_tool_names); }
fn agentDescribeToolActionCompleted(ctx: *anyopaque, arena: Allocator, call: ToolCall, display_target: ?[]const u8, advertised_dynamic_tool_names: []const []const u8) ![]const u8 { const app: *App = @ptrCast(@alignCast(ctx)); return app.describeToolActionCompletedWithAdvertised(arena, call, display_target, advertised_dynamic_tool_names); }
fn agentDescribeToolActionDenied(ctx: *anyopaque, arena: Allocator, call: ToolCall, display_target: ?[]const u8, label: []const u8, advertised_dynamic_tool_names: []const []const u8) ![]const u8 { const app: *App = @ptrCast(@alignCast(ctx)); return app.describeToolActionDeniedWithAdvertised(arena, call, display_target, label, advertised_dynamic_tool_names); }
fn agentPermissionTargetForCall(ctx: *anyopaque, arena: Allocator, call: ToolCall, advertised_dynamic_tool_names: []const []const u8) ![]const u8 { const app: *App = @ptrCast(@alignCast(ctx)); return app.permissionTargetForCallWithAdvertised(arena, call, advertised_dynamic_tool_names); }
fn agentExecuteToolCall( ctx: *anyopaque, request: agent_runtime.ToolExecutionRequest, ) !ToolExecutionResult { const app: *App = @ptrCast(@alignCast(ctx)); return app.executeToolCallWithAdvertised(request); }
fn agentRecordToolCallRejected( ctx: *anyopaque, _: Allocator, call: ToolCall, model_output: []const u8, _: ?[]const u8, ) !void { _ = ctx; diagnostics.recordToolCallResult(.{ .name = call.name, .arguments_json = call.arguments_json, .model_output = model_output, .outcome = .rejected, .started_at_ms = io_mod.milliTimestamp(), }); }
fn agentRecordToolCallFailed( ctx: *anyopaque, _: Allocator, call: ToolCall, model_output: []const u8, _: ?[]const u8, ) !void { _ = ctx; diagnostics.recordToolCallResult(.{ .name = call.name, .arguments_json = call.arguments_json, .model_output = model_output, .outcome = .tool_failed, .started_at_ms = io_mod.milliTimestamp(), }); }
fn agentPublishCommittedFileHandoff( ctx: *anyopaque, handoff: file_mutation.CommittedFileHandoff, ) agent_runtime.SecondaryPublicationReport { const app: *App = @ptrCast(@alignCast(ctx)); return .{ .diff = publishCommittedDiff(app, handoff), .tracker = publishCommittedTracker(app, handoff), }; }
fn publishCommittedDiff( app: *App, handoff: file_mutation.CommittedFileHandoff, ) agent_runtime.SecondarySinkOutcome { const payload = preparedDiffPayload( std.heap.c_allocator, handoff, ) catch |err| { debug_trace.logf( "tool", "committed file diff projection failed err={s}", .{@errorName(err)}, ); return .failed; }; app_worker_runtime.Runtime(App).pushDiffBlock(app, payload) catch |err| { diff_mod.freeDiffEntryPayload(std.heap.c_allocator, payload); debug_trace.logf( "tool", "committed file diff publication failed err={s}", .{@errorName(err)}, ); return .failed; }; return .published; }
fn publishCommittedTracker( app: *App, handoff: file_mutation.CommittedFileHandoff, ) agent_runtime.SecondarySinkOutcome { if (comptime !@hasField(App, "change_tracker")) return .skipped;
const path = app.alloc.dupe(u8, handoff.tracker.raw_path) catch |err| { debug_trace.logf( "tool", "committed file tracker path clone failed err={s}", .{@errorName(err)}, ); return .failed; }; const previous_content = if (handoff.tracker.previous_content) |content| app.alloc.dupe(u8, content) catch |err| { app.alloc.free(path); debug_trace.logf( "tool", "committed file tracker preimage clone failed err={s}", .{@errorName(err)}, ); return .failed; } else null; app.change_tracker.pushOperation(app.alloc, .{ .kind = switch (handoff.tracker.kind) { .write => change_tracker_mod.OperationKind.write, .edit => change_tracker_mod.OperationKind.edit, }, .path = path, .previous_content = previous_content, .timestamp_ms = handoff.tracker.committed_at_ms, }) catch |err| { app.alloc.free(path); if (previous_content) |content| app.alloc.free(content); debug_trace.logf( "tool", "committed file tracker publication failed err={s}", .{@errorName(err)}, ); return .failed; }; return .published; }
fn agentPropagateHistoryTurn(ctx: *anyopaque, turn: HistoryTurn) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).propagateHistoryTurn(app, turn, app.session.max_history_turns); }
fn beginCompactionActivity(ctx: *anyopaque, origin: compaction_activity.Origin, turn_id: ?u64) compaction_activity.OperationId { const app: *App = @ptrCast(@alignCast(ctx)); return app.worker.beginCompactionActivity(origin, turn_id); }
fn runCompactionActivity(ctx: *anyopaque, id: compaction_activity.OperationId, stage: compaction_activity.Stage) void { const app: *App = @ptrCast(@alignCast(ctx)); app.worker.runCompactionActivity(id, stage); }
fn settleCompactionActivity(ctx: *anyopaque, id: compaction_activity.OperationId, feedback: compaction_activity.Feedback) void { const app: *App = @ptrCast(@alignCast(ctx)); app.worker.settleCompactionActivity(id, feedback); }
fn agentCommitContextCompaction( ctx: *anyopaque, summary: types.CompactedSummaryHistoryTurn, active_prefix: ?types.AssistantHistoryTurn, retained_from: ?types.ContextHistoryCut, ) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime runtime_profile.allows(App, .cooperative_agent)) { try app.worker.publishContextCompaction(std.heap.c_allocator, .{ .summary = summary, .active_prefix = active_prefix, .retained_from = retained_from, .max_history_turns = app.session.max_history_turns, }, app, workerBridgeContextCompaction); return; } try app_worker_runtime.Runtime(App).commitContextCompaction( app, summary, active_prefix, retained_from, app.session.max_history_turns, ); }
fn agentSetRecoveryCheckpoint( ctx: *anyopaque, checkpoint: session_codec.RecoveryCheckpoint, ) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_session_runtime.Runtime(App).setRecoveryCheckpoint(app, checkpoint); }
fn agentClearRecoveryCheckpoint(ctx: *anyopaque) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_session_runtime.Runtime(App).clearRecoveryCheckpoint(app); }
fn agentPersistUsageCheckpoint( ctx: *anyopaque, snapshot: session_usage.Snapshot, ) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_session_runtime.Runtime(App).persistUsageCheckpoint(app, snapshot); }
fn agentPropagateGrant(ctx: *anyopaque, tool_name: []const u8, target_path: []const u8) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).propagateGrant(app, tool_name, target_path); }
fn agentPushEvent(ctx: *anyopaque, event: WorkerEvent) !void { const app: *App = @ptrCast(@alignCast(ctx)); var owned_event = event; if (event == .finish_prompt and comptime @hasDecl(@TypeOf(app.worker), "handoffActivePromptSnapshots")) { var finished = event.finish_prompt; finished.snapshot_file_ownership = try app.worker.handoffActivePromptSnapshots(std.heap.c_allocator); owned_event = .{ .finish_prompt = finished }; } defer worker_runtime.freeWorkerEvent(std.heap.c_allocator, owned_event); try app_worker_runtime.Runtime(App).pushEvent(app, owned_event); }
fn agentPushText(ctx: *anyopaque, emission: agent_runtime.TextEmission) !void { const app: *App = @ptrCast(@alignCast(ctx)); switch (emission) { .assistant_started => {}, .assistant_source => {}, .assistant_rendered => |text| try app_worker_runtime.Runtime(App).pushText(app, text), .assistant_restarted => |text| try app_worker_runtime.Runtime(App).pushText(app, text), .operational => |text| try app_worker_runtime.Runtime(App).pushText(app, text), } }
fn agentPushTable(ctx: *anyopaque, table: assistant_presentation.TablePayload) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).pushTable(app, table); var owned = table; owned.deinit(std.heap.c_allocator); }
fn agentPushCodeBlock(ctx: *anyopaque, block: assistant_presentation.CodeBlockPayload) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).pushCodeBlock(app, block); var owned = block; owned.deinit(std.heap.c_allocator); }
fn agentPushThematicRule(ctx: *anyopaque) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).pushThematicRule(app); }
fn agentPushToolLifecycle( ctx: *anyopaque, event: types.ToolLifecycleEvent, ) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).pushToolLifecycle(app, event); }
fn agentPushDiffBlock(ctx: *anyopaque, payload: agent_runtime.DiffEntryPayload) !void { const app: *App = @ptrCast(@alignCast(ctx)); errdefer diff_mod.freeDiffEntryPayload(std.heap.c_allocator, payload); try app_worker_runtime.Runtime(App).pushDiffBlock(app, payload); }
fn agentPushSystemNotice(ctx: *anyopaque, text: []const u8) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).pushSemanticNotice(app, .{ .topic = "system", .tone = .neutral, .body = text, }); }
fn agentPushInteractiveNotice(ctx: *anyopaque, notice: types.SemanticNotice) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).pushSemanticNotice(app, notice); }
fn agentPushContextNotice(ctx: *anyopaque, text: []const u8) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(@TypeOf(app.session), "claimContextNotice")) { if (!try app.session.claimContextNotice(std.heap.c_allocator, text)) return; } const body = try types.renderContextNoticeBody(std.heap.c_allocator, text); defer std.heap.c_allocator.free(body); try app_worker_runtime.Runtime(App).pushSemanticNotice(app, .{ .topic = "context", .tone = .warning, .body = body, .visibility = .full_only, }); }
fn agentPushRouteRecoveryStatus(ctx: *anyopaque, status: types.RouteRecoveryStatus) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).pushEvent(app, .{ .route_recovery_status = status }); }
fn agentRestoreFailedPrompt(ctx: *anyopaque, prompt: []const u8) !void { const app: *App = @ptrCast(@alignCast(ctx)); // pushEvent copies the payload into the queue's ownership. try app_worker_runtime.Runtime(App).pushEvent(app, .{ .restore_failed_prompt = @constCast(prompt) }); }
fn agentPushCommandOutputComplete(ctx: *anyopaque, lifecycle_id: ?types.ToolLifecycleId) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_worker_runtime.Runtime(App).pushCommandOutputComplete(app, lifecycle_id); }
fn agentPushHttpError(ctx: *anyopaque, status: std.http.Status, detail: []const u8, credential_source: ?types.CredentialSource) !void { const app: *App = @ptrCast(@alignCast(ctx)); const auth_failure = auth_runtime.FailureSnapshot.fromHttp(status, credential_source); const message = if (auth_failure) |failure| try failure.renderText(std.heap.c_allocator) else try gateway_error_format.formatHttpErrorMessage(std.heap.c_allocator, status, detail); defer std.heap.c_allocator.free(message); const label = if (auth_failure) |failure| try std.fmt.allocPrint( std.heap.c_allocator, "⚠ {s} · {s}", .{ message, switch (failure.source) { .fx_login => "Run /login to repair this source.", .chatgpt_subscription => "Reconnect Codex through /login to repair this source.", .grok_subscription => "Reconnect Grok through /login to repair this source.", .vercel_oidc_token, .ai_gateway_api_key, .stored_key => "Run /provider to repair this source.", .host_managed => credentials.host_managed_auth_message, .configured => "Check the configured provider auth environment variable.", }, }, ) else try std.fmt.allocPrint(std.heap.c_allocator, "⚠ {s}", .{message}); defer std.heap.c_allocator.free(label); try app_worker_runtime.Runtime(App).pushEvent(app, .{ .api_status_text = label }); }
fn agentRequestRouteRecovery(ctx: *anyopaque, arena: Allocator, request: agent_runtime.RouteRecoveryRequest) !agent_runtime.RouteRecoveryDecision { const app: *App = @ptrCast(@alignCast(ctx)); const question = switch (request.finish_reason) { .content_filter => "Response blocked by content filter. What should fx do?", else => if (request.replay_safe) try std.fmt.allocPrint( arena, "Route failed after {d} attempt{s} for {s}. What should fx do?", .{ request.semantic_attempts, if (request.semantic_attempts == 1) "" else "s", request.route_model, }, ) else switch (request.unsafe_no_retry_reason orelse .assistant_output) { .assistant_output => "Route failed after assistant output started. What should fx do?", .tool_start => "Route failed after tool use started. What should fx do?", }, }; var options_buf: [3]types.QuestionOption = undefined; var option_count: usize = 0; if (request.finish_reason == .provider_error and request.replay_safe and request.fast_mode) { options_buf[option_count] = .{ .label = "Disable Fast", .description = "Retry the selected model without Fast.", }; option_count += 1; } options_buf[option_count] = .{ .label = "Change model", .description = "Open the model picker and leave this prompt stopped.", }; option_count += 1; options_buf[option_count] = .{ .label = "Try again later", .description = "Stop this prompt and try again later.", }; option_count += 1;
const entry = types.QuestionBatchEntry{ .question = question, .options = options_buf[0..option_count], }; const answers = try app.worker.requestRouteRecoveryAnswerBlocking(std.heap.c_allocator, &.{entry}); defer if (answers) |owned| { for (owned) |label| std.heap.c_allocator.free(label); std.heap.c_allocator.free(owned); }; const label = if (answers) |owned| if (owned.len > 0) owned[0] else "Try again later" else "Try again later"; if (std.mem.eql(u8, label, "Disable Fast")) return .disable_fast; if (std.mem.eql(u8, label, "Change model") or std.mem.eql(u8, label, "Switch model")) { try app_worker_runtime.Runtime(App).pushEvent(app, .open_model_picker); return .switch_model; } return .cancel; }
fn agentFormatToolExecutionError(ctx: *anyopaque, arena: Allocator, tool_name: []const u8, err: anyerror) ![]const u8 { const app: *App = @ptrCast(@alignCast(ctx)); return app.formatToolExecutionErrorForAgent(arena, tool_name, err); }
fn agentReportUsage(ctx: *anyopaque, usage: types.Usage) void { const app: *App = @ptrCast(@alignCast(ctx)); if (usage.input_tokens) |input| app.total_input_tokens = input; if (usage.output_tokens) |output| app.total_output_tokens = output; }
fn agentReportInnerToolUsage(ctx: *anyopaque, tool_name: []const u8, usage: types.ToolUsage) void { if (!std.mem.eql(u8, tool_name, "web_search") and !tool_presentation.isProviderSearchAlias(tool_name)) return; const app: *App = @ptrCast(@alignCast(ctx)); app.total_web_search_requests +|= @as(u64, usage.web_search_requests); }
fn workerBridgeWriteUserPrompt(ctx: *anyopaque, prompt: types.UserTurn) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.writeUserPromptCard(prompt); }
fn workerBridgeWriteUserPromptWithSkillBindings( ctx: *anyopaque, prompt: types.UserTurn, skill_bindings: []const worker_runtime.SkillBinding, skill_display_spans: []const worker_runtime.SkillDisplaySpan, ) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "writeUserPromptCardWithSkillBindings")) { try app.writeUserPromptCardWithSkillBindings(prompt, skill_bindings, skill_display_spans); } else { try app.writeUserPromptCard(prompt); } }
fn workerBridgeAppendText(ctx: *anyopaque, text: []const u8) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.pacer.enqueue(app.alloc, text); }
fn workerBridgeAppendTable(ctx: *anyopaque, table: assistant_presentation.TablePayload) !void { const app: *App = @ptrCast(@alignCast(ctx)); var owned = table; var handed_off = false; errdefer if (!handed_off) owned.deinit(app.alloc); if (comptime @hasDecl(App, "appendAssistantTable")) { try app.appendAssistantTable(owned); handed_off = true; return; } owned.deinit(app.alloc); handed_off = true; }
fn workerBridgeAppendCodeBlock(ctx: *anyopaque, block: assistant_presentation.CodeBlockPayload) !void { const app: *App = @ptrCast(@alignCast(ctx)); var owned = block; var handed_off = false; errdefer if (!handed_off) owned.deinit(app.alloc); if (comptime @hasDecl(App, "appendAssistantCodeBlock")) { try app.appendAssistantCodeBlock(owned); handed_off = true; return; } owned.deinit(app.alloc); handed_off = true; }
fn workerBridgeAppendThematicRule(ctx: *anyopaque) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "appendAssistantThematicRule")) { try app.appendAssistantThematicRule(); } }
fn workerBridgeDrainAssistantText(ctx: *anyopaque) !app_worker_runtime.AssistantTextDrainResult { const app: *App = @ptrCast(@alignCast(ctx)); try app.pacer.flushPresentationAtBoundary( app.alloc, io_mod.nanoTimestamp(), app.pacerCallbacks(), ); return .drained; }
fn workerBridgeOpenModelPicker(ctx: *anyopaque) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasField(App, "input_runtime") and provider_runtime.supported(App) and @hasDecl(App, "modelCompletions")) { // The Ctrl+P catalog owns the borrowed composer while a draft // is stashed; seeding the inline "/model " flow there would // land in the menu's query box and be discarded on close. const InputRuntime = @TypeOf(app.input_runtime); if (comptime @hasField(InputRuntime, "model_picker_draft")) { if (app.input_runtime.model_picker_draft != null) return; } try input_completion_runtime.CompletionRuntime(App).openCurrentModelPicker(app); } }
fn workerBridgeSemanticNotice(ctx: *anyopaque, notice: types.SemanticNotice) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.writeDomainNotice(notice, true); }
fn workerBridgeCredentialRefreshed( ctx: *anyopaque, credential: credentials.Credential, ) !void { if (comptime !@hasField(App, "auth")) return; const app: *App = @ptrCast(@alignCast(ctx)); var owned = try credential.clone(app.alloc); defer owned.deinit(app.alloc); if (app.auth.preparedCredentialChange(owned) == .authority) { return error.CredentialAuthorityChanged; } _ = app.auth.adoptPreparedCredential(app.alloc, &owned); }
fn workerBridgeCommandOutput( ctx: *anyopaque, lifecycle_id: ?types.ToolLifecycleId, stream: command_output_content.Stream, text: []const u8, ) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "writeCommandOutputChunkForLifecycle")) { try app.writeCommandOutputChunkForLifecycle(lifecycle_id, stream, text, true); return; } try app.writeCommandOutputChunk(stream, text, true); }
fn workerBridgeCommandOutputComplete(ctx: *anyopaque, lifecycle_id: ?types.ToolLifecycleId) !void { const app: *App = @ptrCast(@alignCast(ctx)); if (comptime @hasDecl(App, "flushCommandOutputSummaryForLifecycle")) { try app.flushCommandOutputSummaryForLifecycle(lifecycle_id, true); return; } try app.flushCommandOutputSummary(true); }
fn workerBridgeDiffBlock(ctx: *anyopaque, payload: diff_mod.DiffEntryPayload) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.registerAndEmitDiffBlock(payload); }
fn workerBridgeContextCompaction(ctx: *anyopaque, value: worker_runtime.ContextCompaction) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app_session_runtime.Runtime(App).commitContextCompaction(app, value.summary, value.active_prefix, value.retained_from); }
fn workerBridgePrepareFreshPrompt(ctx: *anyopaque, value: worker_runtime.FreshPromptPreparation) !worker_runtime.FreshPromptHistory { const app: *App = @ptrCast(@alignCast(ctx)); return app_session_runtime.Runtime(App).prepareFreshPrompt(app, value); }
pub fn prepareFreshPrompt(app: *App, value: worker_runtime.FreshPromptPreparation) !worker_runtime.FreshPromptHistory { if (comptime runtime_profile.allows(App, .cooperative_agent)) { const current = app_session_runtime.Runtime(App).normalizeFreshPromptPreparation(app, value); return app.worker.publishFreshPrompt(std.heap.c_allocator, current, app, workerBridgePrepareFreshPrompt); } return app.worker.prepareFreshPrompt(std.heap.c_allocator, value); }
fn workerBridgeAppendHistoryTurn(ctx: *anyopaque, finished: types.FinishedPrompt) !app_worker_runtime.HistoryDelivery { const app: *App = @ptrCast(@alignCast(ctx)); if (try app.pacer.deferFinish(app.alloc, finished)) return .retained; return .{ .settled = try appendHistoryTurn(app, finished) }; }
fn workerBridgeSessionGrant(ctx: *anyopaque, grant: types.PermissionGrant) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.allowToolForSession(grant.tool_name, grant.target_path); }
fn workerBridgeErrorText(ctx: *anyopaque, notice: types.SemanticNotice) !void { const app: *App = @ptrCast(@alignCast(ctx)); try app.writeDomainNotice(notice, true); }
fn appendHistoryTurn(app: *App, finished: types.FinishedPrompt) !assistant_pacer.FinishResult { if (comptime @hasDecl(App, "finishPromptPresentation")) { return app.finishPromptPresentation(finished); } if (comptime @hasDecl(App, "appendFinishedPrompt")) { try app.appendFinishedPrompt(finished); return .committed; } if (comptime @hasDecl(App, "appendHistoryTurn")) { try app.appendHistoryTurn(finished.turn); if (finished.snapshot_file_ownership) |ownership| ownership.transfer(); return .committed; } try app_session_runtime.Runtime(App).appendFinishedPrompt(app, finished); return .committed; } };}
const FakeWorker = struct { worker_cancel_requested: std.atomic.Value(bool) = std.atomic.Value(bool).init(false), events: std.ArrayList(WorkerEvent) = .empty, propagated_history_turns: usize = 0, propagated_grants: usize = 0, active_snapshot_transfers: usize = 0, active_turn_id: u64 = 1, fail_diff_push: bool = false, fail_semantic_push: bool = false, fail_command_output_push: bool = false,
fn deinit(self: *FakeWorker) void { for (self.events.items) |event| worker_runtime.freeWorkerEvent(std.heap.c_allocator, event); self.events.deinit(std.heap.c_allocator); }
pub fn pushEvent(self: *FakeWorker, alloc: std.mem.Allocator, event: WorkerEvent) !void { const owned = try worker_runtime.dupeWorkerEvent(alloc, event); errdefer worker_runtime.freeWorkerEvent(alloc, owned); try self.pushOwnedEvent(alloc, owned); }
pub fn pushOwnedEvent(self: *FakeWorker, alloc: std.mem.Allocator, event: WorkerEvent) !void { if (self.fail_diff_push) { switch (event) { .diff_block => return error.TestDiffPublicationFailure, else => {}, } } if (self.fail_semantic_push) { switch (event) { .assistant_presentation => |presentation| switch (presentation) { .table, .code_block => return error.TestSemanticPresentationPublicationFailure, .text, .thematic_rule => {}, }, else => {}, } } if (self.fail_command_output_push) { switch (event) { .command_output => return error.OutOfMemory, else => {}, } } try self.events.append(alloc, event); }
pub fn pushTurnFinished(self: *FakeWorker, alloc: std.mem.Allocator, event: types.TurnFinished) !void { try self.events.append(alloc, .{ .tool_lifecycle = .{ .turn_finished = event, } }); }
pub fn propagateHistoryTurn(self: *FakeWorker, alloc: std.mem.Allocator, turn: HistoryTurn, max_history_turns: usize) !void { _ = alloc; _ = turn; _ = max_history_turns; self.propagated_history_turns += 1; }
pub fn propagateGrant(self: *FakeWorker, alloc: std.mem.Allocator, tool_name: []const u8, target_path: []const u8) !void { _ = alloc; _ = tool_name; _ = target_path; self.propagated_grants += 1; }
pub fn transferActivePromptSnapshots(self: *FakeWorker) void { self.active_snapshot_transfers += 1; }
pub fn activeTurnId(self: *FakeWorker) u64 { return self.active_turn_id; }};
const FakeSession = struct { max_history_turns: usize = 8, history_appends: usize = 0, agent: struct { history: std.ArrayList(types.HistoryTurn) = .empty } = .{},
pub fn commitCompactedHistory(self: *FakeSession, alloc: std.mem.Allocator, history: []types.HistoryTurn) void { self.history_appends += 1; types.freeHistoryTurnSlice(alloc, history); }
pub fn unversionedHistoryEnd(_: *FakeSession) usize { return 0; }
pub fn prepareHistoryEntry(_: *FakeSession, alloc: std.mem.Allocator, turn: types.HistoryTurn) !types.HistoryTurn { return types.dupeHistoryTurn(alloc, turn); }
pub fn commitPreparedHistoryEntry(self: *FakeSession, alloc: std.mem.Allocator, turn: types.HistoryTurn) void { self.history_appends += 1; types.freeHistoryTurn(alloc, turn); }
fn languageSnapshot(self: *FakeSession) types.ConversationLanguage { _ = self; return types.ConversationLanguage.default(); }
pub fn appendHistoryEntry(self: *FakeSession, alloc: std.mem.Allocator, turn: types.HistoryTurn) !void { _ = alloc; _ = turn; self.history_appends += 1; }};
const FakePacer = struct { text: std.ArrayList(u8) = .empty, defer_history: bool = false, enqueue_count: usize = 0, flush_count: usize = 0,
fn deinit(self: *FakePacer, alloc: std.mem.Allocator) void { self.text.deinit(alloc); }
fn enqueue(self: *FakePacer, alloc: std.mem.Allocator, text: []const u8) !void { self.enqueue_count += 1; try self.text.appendSlice(alloc, text); }
fn deferFinish(self: *FakePacer, alloc: std.mem.Allocator, finished: types.FinishedPrompt) !bool { _ = alloc; _ = finished; return self.defer_history; }
pub fn flushPresentationAtBoundary( self: *FakePacer, alloc: std.mem.Allocator, now_ns: i128, callbacks: anytype, ) !void { _ = alloc; _ = now_ns; _ = callbacks; self.flush_count += 1; self.text.clearRetainingCapacity(); }};
const FakeShell = struct { last_class: transcript_runtime.RawEntryClass = .unknown_raw, render_requests: render_request.RenderRequestState = .{}, lifecycle: transcript_runtime.TranscriptRuntime = .{}, preserved_anchor_apply_count: usize = 0,
pub fn replaceableEntryId(self: *FakeShell) ?u32 { _ = self; return null; }
pub fn setRawEntryClass(self: *FakeShell, entry_id: u32, class: transcript_runtime.RawEntryClass) bool { _ = entry_id; self.last_class = class; return true; }
pub fn applyToolLifecycle( self: *FakeShell, alloc: std.mem.Allocator, event: types.ToolLifecycleEvent, ) !?types.ToolActivityKind { return self.lifecycle.applyToolLifecycle(alloc, event); }
pub fn applyToolLifecyclePreservingNormalBufferAnchor( self: *FakeShell, alloc: std.mem.Allocator, event: types.ToolLifecycleEvent, ) !?types.ToolActivityKind { self.preserved_anchor_apply_count += 1; return self.lifecycle.applyToolLifecyclePreservingNormalBufferAnchor(alloc, event); }
pub fn finishLifecycleBatch( self: *FakeShell, alloc: std.mem.Allocator, ) !void { return self.lifecycle.finishLifecycleBatch(alloc); }
pub fn activityProjection( self: *const FakeShell, ) activity_runtime.ActivityProjection { return self.lifecycle.activityProjection(); }
pub fn focusedToolEntryId(self: *const FakeShell) ?u32 { return self.lifecycle.focusedToolEntryId(); }
pub fn focusedToolActivityKind( self: *const FakeShell, ) ?types.ToolActivityKind { return self.lifecycle.focusedToolActivityKind(); }
pub fn activeToolActivityCount(self: *const FakeShell) usize { return self.lifecycle.activeToolActivityCount(); }
pub fn toolActivityRecord( self: *const FakeShell, id: types.ToolLifecycleId, ) ?activity_runtime.ToolPresentationRecord { return self.lifecycle.toolActivityRecord(id); }
pub fn finalizedToolTurnWatermark(self: *const FakeShell) u64 { return self.lifecycle.finalizedToolTurnWatermark(); }};
test "skill preparation uses the active turn tool result budget" { const alloc = std.testing.allocator; const SkillApp = struct { const dispatch = @import("../tooling/tool_dispatch.zig"); const tool = registered: { var value = @import("../../builtins/tools.zig").skill; value.prepare_skill_call_fn = observeBudget; break :registered value; }; workspace_root: []const u8 = "/workspace", skills: struct { dir: []const u8 = "/skills" } = .{}, worker: worker_runtime.WorkerRuntime = .{},
pub fn toolRegistry(_: *@This()) dispatch.Registry { return .{ .tools = &.{tool} }; }
fn observeBudget(ctx: dispatch.DispatchContext, _: []const u8) dispatch.DispatchError!skill_contract.CallPreparation { return .{ .failure = .{ .model_output = try std.fmt.allocPrint(ctx.allocator, "{d}", .{ctx.max_tool_result_bytes}) } }; } }; var app: SkillApp = .{}; defer app.worker.deinit(alloc); app.worker.agent_turn_settings.max_tool_result_bytes = 16 * 1024; app.worker.active_agent_turn_settings = .{ .max_tool_result_bytes = 4096 }; const call: ToolCall = .{ .id = "skill", .name = "skill", .arguments_json = "{}" }; const active = try Bindings(SkillApp).agentPrepareSkillCall(&app, alloc, call, null); defer @import("../skills/skill_invocation.zig").freeCallPreparation(alloc, active); try std.testing.expectEqualStrings("4096", active.failure.model_output); app.worker.active_agent_turn_settings = null; const current = try Bindings(SkillApp).agentPrepareSkillCall(&app, alloc, call, null); defer @import("../skills/skill_invocation.zig").freeCallPreparation(alloc, current); try std.testing.expectEqualStrings("16384", current.failure.model_output);}
const FakeApp = struct { alloc: std.mem.Allocator, worker: FakeWorker = .{}, session: FakeSession = .{}, input_runtime: core_input_runtime.Runtime = .{}, selected_model: std.ArrayList(u8) = .empty, model_completion_values: []const []const u8 = &.{}, change_tracker: change_tracker_mod.ChangeTracker = .{}, shell: FakeShell = .{}, terminal: struct { alternate_screen_owner: enum { none, active } = .none, } = .{}, pacer: FakePacer = .{}, transcript: std.ArrayList(u8) = .empty, total_input_tokens: u64 = 0, total_output_tokens: u64 = 0, total_web_search_requests: u64 = 0, user_prompt_count: usize = 0, command_output_count: usize = 0, command_output_complete_count: usize = 0, last_command_output_lifecycle_turn_id: ?u64 = null, last_command_output_lifecycle_call_id: []const u8 = "", last_command_output_complete_lifecycle_turn_id: ?u64 = null, last_command_output_complete_lifecycle_call_id: []const u8 = "", history_append_count: usize = 0, summary_append_count: usize = 0, last_summary: ?types.TurnSummary = null, grant_count: usize = 0, diff_register_count: usize = 0, replaceable_count: usize = 0, replaceable_silent_count: usize = 0, replace_count: usize = 0, replace_silent_count: usize = 0, last_class: transcript_runtime.RawEntryClass = .unknown_raw, last_notice_topic: std.ArrayList(u8) = .empty, last_notice_tone: types.NoticeTone = .information, last_notice_visibility: types.NoticeVisibility = .compact_and_full, last_notice_record: bool = false, capability_request_count: usize = 0,
fn init(alloc: std.mem.Allocator) FakeApp { return .{ .alloc = alloc }; }
fn deinit(self: *FakeApp) void { self.worker.deinit(); self.input_runtime.deinit(self.alloc); self.selected_model.deinit(self.alloc); self.change_tracker.deinit(self.alloc); self.shell.lifecycle.deinit(self.alloc); self.pacer.deinit(self.alloc); self.transcript.deinit(self.alloc); self.last_notice_topic.deinit(self.alloc); }
pub fn modelCompletions(self: *FakeApp, _: []const u8, out: *[32][]const u8) usize { const count = @min(self.model_completion_values.len, out.len); for (self.model_completion_values[0..count], 0..) |value, index| { out[index] = value; } return count; }
pub fn resolveModelCapabilitiesForRequest( self: *FakeApp, model: []const u8, ) !model_capabilities.Capabilities { self.capability_request_count += 1; const efforts = [_]types.ReasoningEffort{types.ReasoningEffort.literal("future-tier")}; return model_capabilities.resolveCapabilities( model, .{ .reasoning_efforts = .fromSlice(&efforts) }, ); }
fn storeLifecycleId( turn_id: *?u64, call_id: *[]const u8, lifecycle_id: ?types.ToolLifecycleId, ) void { if (lifecycle_id) |id| { turn_id.* = id.turn_id; call_id.* = id.call_id; } else { turn_id.* = null; call_id.* = ""; } }
fn appendRuntimeContextMessage(self: *FakeApp, arena: Allocator, messages: *std.ArrayList(ChatMessage)) !void { _ = self; try messages.append(arena, .{ .role = .system, .content = "runtime" }); }
fn requestToolPermissionSyncWithAdvertised(self: *FakeApp, arena: Allocator, call: ToolCall, review_turn: permission_auto_classifier.ReviewTurnContext, permission_mode: PermissionMode, local_grants: []const PermissionGrant, _: ?agent_runtime.LiveToolAuthority, _: ?agent_runtime.LivePermissionRevalidation, _: []const []const u8, _: ?[]const u8) !command_admission.PermissionOutcome { _ = self; _ = arena; _ = call; _ = review_turn; _ = permission_mode; _ = local_grants; return .{ .decision = .once, .execution_authority = .ordinary, }; }
fn requestPreparedFileMutationPermissionSyncWithAdvertised(self: *FakeApp, arena: Allocator, call: ToolCall, prepared: *tool_admission.PreparedFileMutationCall, review_turn: permission_auto_classifier.ReviewTurnContext, permission_mode: PermissionMode, local_grants: []const PermissionGrant, _: ?agent_runtime.LiveToolAuthority, _: []const []const u8) !command_admission.PermissionOutcome { _ = self; _ = call; _ = review_turn; _ = permission_mode; _ = local_grants; prepared.deinit(arena); return .{ .decision = .once, .execution_authority = .ordinary, }; }
fn validateToolCall(self: *FakeApp, arena: Allocator, call: ToolCall) !agent_runtime.ToolCallValidationResult { _ = self; return .{ .failure = try std.fmt.allocPrint(arena, "invalid {s}", .{call.name}) }; }
fn checkToolAvailability(self: *FakeApp, _: Allocator, _: ToolCall) !?[]const u8 { _ = self; return null; }
fn describeToolActionWithAdvertised(self: *FakeApp, arena: Allocator, call: ToolCall, _: ?[]const u8, _: []const []const u8) ![]const u8 { _ = self; return std.fmt.allocPrint(arena, "run {s}", .{call.name}); }
fn describeToolActionCompletedWithAdvertised(self: *FakeApp, arena: Allocator, call: ToolCall, _: ?[]const u8, _: []const []const u8) ![]const u8 { _ = self; return std.fmt.allocPrint(arena, "done {s}", .{call.name}); }
fn describeToolActionDeniedWithAdvertised(self: *FakeApp, arena: Allocator, call: ToolCall, _: ?[]const u8, label: []const u8, _: []const []const u8) ![]const u8 { _ = self; return std.fmt.allocPrint(arena, "denied {s} {s}", .{ call.name, label }); }
fn permissionTargetForCallWithAdvertised(self: *FakeApp, arena: Allocator, call: ToolCall, _: []const []const u8) ![]const u8 { _ = self; return std.fmt.allocPrint(arena, "target:{s}", .{call.id}); }
fn executeToolCallWithAdvertised( self: *FakeApp, request: agent_runtime.ToolExecutionRequest, ) !ToolExecutionResult { _ = self; _ = request; return .{ .model_output = "tool output" }; }
fn registerAndEmitDiffBlock(self: *FakeApp, payload: agent_runtime.DiffEntryPayload) !void { defer diff_mod.freeDiffEntryPayload(std.heap.c_allocator, payload); self.diff_register_count += 1; try self.transcript.appendSlice(self.alloc, payload.preview); }
fn formatToolExecutionErrorForAgent(self: *FakeApp, arena: Allocator, tool_name: []const u8, err: anyerror) ![]const u8 { _ = self; return std.fmt.allocPrint(arena, "{s}:{s}", .{ tool_name, @errorName(err) }); }
fn writeUserPromptCard(self: *FakeApp, prompt: types.UserTurn) !void { _ = prompt; self.user_prompt_count += 1; }
pub fn writeDomainNotice(self: *FakeApp, notice: types.SemanticNotice, record: bool) !void { self.last_notice_topic.clearRetainingCapacity(); try self.last_notice_topic.appendSlice(self.alloc, notice.topic); self.last_notice_tone = notice.tone; self.last_notice_visibility = notice.visibility; self.last_notice_record = record; try self.transcript.appendSlice(self.alloc, notice.body); }
fn pacerCallbacks(self: *FakeApp) void { _ = self; }
fn writeCommandOutputChunk(self: *FakeApp, stream: command_output_content.Stream, text: []const u8, record: bool) !void { _ = stream; _ = text; _ = record; self.command_output_count += 1; }
fn writeCommandOutputChunkForLifecycle(self: *FakeApp, lifecycle_id: ?types.ToolLifecycleId, stream: command_output_content.Stream, text: []const u8, record: bool) !void { storeLifecycleId( &self.last_command_output_lifecycle_turn_id, &self.last_command_output_lifecycle_call_id, lifecycle_id, ); try self.writeCommandOutputChunk(stream, text, record); }
fn flushCommandOutputSummary(self: *FakeApp, record: bool) !void { try self.flushCommandOutputSummaryForLifecycle(null, record); }
fn flushCommandOutputSummaryForLifecycle(self: *FakeApp, lifecycle_id: ?types.ToolLifecycleId, record: bool) !void { _ = record; storeLifecycleId( &self.last_command_output_complete_lifecycle_turn_id, &self.last_command_output_complete_lifecycle_call_id, lifecycle_id, ); self.command_output_complete_count += 1; }
pub fn appendHistoryTurn(self: *FakeApp, turn: types.HistoryTurn) !void { _ = turn; self.history_append_count += 1; }
pub fn appendFinishedPrompt(self: *FakeApp, finished: types.FinishedPrompt) !void { _ = finished.turn; self.history_append_count += 1; if (finished.snapshot_file_ownership) |ownership| ownership.transfer(); if (finished.summary) |summary| { self.summary_append_count += 1; self.last_summary = summary; } }
fn allowToolForSession(self: *FakeApp, tool_name: []const u8, target_path: []const u8) !void { _ = tool_name; _ = target_path; self.grant_count += 1; }
pub fn writeTranscript(self: *FakeApp, text: []const u8, record: bool) !void { _ = record; try self.transcript.appendSlice(self.alloc, text); }
pub fn writeTranscriptClassified(self: *FakeApp, text: []const u8, record: bool, class: transcript_runtime.RawEntryClass) !void { self.last_class = class; try self.writeTranscript(text, record); }
pub fn appendReplaceableTranscriptLine(self: *FakeApp, text: []const u8) !u32 { self.replaceable_count += 1; try self.transcript.appendSlice(self.alloc, text); return @intCast(self.replaceable_count); }
pub fn appendReplaceableTranscriptLineClassified(self: *FakeApp, text: []const u8, class: transcript_runtime.RawEntryClass) !u32 { self.last_class = class; return self.appendReplaceableTranscriptLine(text); }
pub fn appendReplaceableTranscriptLineSilent(self: *FakeApp, text: []const u8) !u32 { self.replaceable_silent_count += 1; try self.transcript.appendSlice(self.alloc, text); return @intCast(self.replaceable_silent_count); }
pub fn appendReplaceableTranscriptLineSilentClassified(self: *FakeApp, text: []const u8, class: transcript_runtime.RawEntryClass) !u32 { self.last_class = class; return self.appendReplaceableTranscriptLineSilent(text); }
pub fn replaceTrailingTranscriptLine(self: *FakeApp, text: []const u8) !bool { self.replace_count += 1; try self.transcript.appendSlice(self.alloc, text); return false; }
pub fn replaceTrailingTranscriptLineSilent(self: *FakeApp, text: []const u8) !bool { self.replace_silent_count += 1; try self.transcript.appendSlice(self.alloc, text); return false; }};
const NoOverridePersistentApp = struct { alloc: Allocator, shell: FakeShell = .{}, pacer: FakePacer = .{}, transcript: std.ArrayList(u8) = .empty, total_input_tokens: u64 = 0, total_output_tokens: u64 = 0, total_web_search_requests: u64 = 0, replaceable_count: usize = 0, replaceable_silent_count: usize = 0, replace_count: usize = 0, replace_silent_count: usize = 0, session: session_runtime.SessionRuntime = .{ .max_history_turns = 8 }, fn deinit(self: *NoOverridePersistentApp) void { self.shell.lifecycle.deinit(self.alloc); self.pacer.deinit(self.alloc); self.transcript.deinit(self.alloc); self.session.deinit(self.alloc); self.* = undefined; }
fn writeUserPromptCard(self: *NoOverridePersistentApp, prompt: types.UserTurn) !void { _ = self; _ = prompt; }
fn writeDomainNotice(self: *NoOverridePersistentApp, notice: types.SemanticNotice, record: bool) !void { _ = self; _ = notice; _ = record; }
fn pacerCallbacks(self: *NoOverridePersistentApp) void { _ = self; }
fn writeCommandOutputChunk(self: *NoOverridePersistentApp, stream: command_output_content.Stream, text: []const u8, record: bool) !void { _ = self; _ = stream; _ = text; _ = record; }
fn flushCommandOutputSummary(self: *NoOverridePersistentApp, record: bool) !void { _ = self; _ = record; }
fn allowToolForSession(self: *NoOverridePersistentApp, tool_name: []const u8, target_path: []const u8) !void { _ = self; _ = tool_name; _ = target_path; }
fn writeTranscript(self: *NoOverridePersistentApp, text: []const u8, record: bool) !void { _ = record; try self.transcript.appendSlice(self.alloc, text); }
fn writeTranscriptClassified(self: *NoOverridePersistentApp, text: []const u8, record: bool, class: transcript_runtime.RawEntryClass) !void { _ = class; try self.writeTranscript(text, record); }
fn registerAndEmitDiffBlock(self: *NoOverridePersistentApp, payload: agent_runtime.DiffEntryPayload) !void { _ = self; diff_mod.freeDiffEntryPayload(std.heap.c_allocator, payload); }
fn appendReplaceableTranscriptLine(self: *NoOverridePersistentApp, text: []const u8) !u32 { self.replaceable_count += 1; try self.transcript.appendSlice(self.alloc, text); return @intCast(self.replaceable_count); }
fn appendReplaceableTranscriptLineSilent(self: *NoOverridePersistentApp, text: []const u8) !u32 { self.replaceable_silent_count += 1; try self.transcript.appendSlice(self.alloc, text); return @intCast(self.replaceable_silent_count); }
fn replaceTrailingTranscriptLine(self: *NoOverridePersistentApp, text: []const u8) !bool { self.replace_count += 1; try self.transcript.appendSlice(self.alloc, text); return false; }
fn replaceTrailingTranscriptLineSilent(self: *NoOverridePersistentApp, text: []const u8) !bool { self.replace_silent_count += 1; try self.transcript.appendSlice(self.alloc, text); return false; }};
const SubagentWaitTestApp = struct { session_persistence: struct { subagent_host: ?*Host = null } = .{}, worker: Worker = .{},
const Host = struct { runtime: @import("../subagent/tool_host.zig").Runtime, wait_result: anyerror!bool = true, wait_calls: usize = 0, push_attempts_at_wait: usize = 0,
fn init() Host { var host: Host = .{ .runtime = undefined }; // Only the yielded list is read by the real pending predicate. host.runtime.yielded = .empty; return host; }
fn hasPendingYielded(self: *const Host) bool { return self.runtime.hasPendingYielded(); }
fn waitYielded(self: *Host, worker: *Worker) !bool { self.wait_calls += 1; self.push_attempts_at_wait = worker.push_attempts; return self.wait_result; } };
const Worker = struct { event: ?WorkerEvent = null, push_attempts: usize = 0, fail_push: bool = false,
pub fn pushEvent(self: *Worker, _: Allocator, event: WorkerEvent) !void { self.push_attempts += 1; if (self.fail_push) return error.OutOfMemory; try std.testing.expect(event == .turn_phase_update); self.event = event; } };};
test "waitForSubagent skips absent host and empty or delivered-only work" { var app: SubagentWaitTestApp = .{}; try std.testing.expect(!try Bindings(SubagentWaitTestApp).waitForSubagent(&app, 41, 7)); try std.testing.expectEqual(@as(usize, 0), app.worker.push_attempts);
var host = SubagentWaitTestApp.Host.init(); defer host.runtime.yielded.deinit(std.testing.allocator); app.session_persistence.subagent_host = &host; try std.testing.expect(!try Bindings(SubagentWaitTestApp).waitForSubagent(&app, 41, 7)); try std.testing.expectEqual(@as(usize, 0), app.worker.push_attempts); try std.testing.expectEqual(@as(usize, 0), host.wait_calls);
try host.runtime.yielded.append(std.testing.allocator, .{ .child_id = @constCast("child"), .work_id = @constCast("work"), .max_result_bytes = 1024, .delivered = true, }); try std.testing.expect(!try Bindings(SubagentWaitTestApp).waitForSubagent(&app, 41, 7)); try std.testing.expectEqual(@as(usize, 0), app.worker.push_attempts); try std.testing.expect(app.worker.event == null); try std.testing.expectEqual(@as(usize, 0), host.wait_calls);}
test "waitForSubagent publishes current identity before waiting and preserves the result" { var host = SubagentWaitTestApp.Host.init(); defer host.runtime.yielded.deinit(std.testing.allocator); try host.runtime.yielded.append(std.testing.allocator, .{ .child_id = @constCast("child"), .work_id = @constCast("work"), .max_result_bytes = 1024, }); for ([_]bool{ true, false }, 0..) |wait_result, index| { var app: SubagentWaitTestApp = .{ .session_persistence = .{ .subagent_host = &host } }; host.wait_result = wait_result; host.wait_calls = 0; const turn_id: u64 = 41 + index; const step_id: u64 = 7 + index; try std.testing.expectEqual(wait_result, try Bindings(SubagentWaitTestApp).waitForSubagent(&app, turn_id, step_id)); const event = app.worker.event orelse return error.TestExpectedEvent; try std.testing.expect(event == .turn_phase_update); try std.testing.expectEqual(turn_id, event.turn_phase_update.turn_id); try std.testing.expectEqual(step_id, event.turn_phase_update.step_id); try std.testing.expectEqual(types.TurnPhase.waiting_for_subagent, event.turn_phase_update.phase); try std.testing.expectEqual(@as(usize, 1), app.worker.push_attempts); try std.testing.expectEqual(@as(usize, 1), host.push_attempts_at_wait); try std.testing.expectEqual(@as(usize, 1), host.wait_calls); }}
test "waitForSubagent tolerates enqueue failure but propagates wait failure" { var host = SubagentWaitTestApp.Host.init(); defer host.runtime.yielded.deinit(std.testing.allocator); try host.runtime.yielded.append(std.testing.allocator, .{ .child_id = @constCast("child"), .work_id = @constCast("work"), .max_result_bytes = 1024, }); for ([_]bool{ false, true }) |fail_push| { var app: SubagentWaitTestApp = .{ .session_persistence = .{ .subagent_host = &host }, .worker = .{ .fail_push = fail_push }, }; host.wait_calls = 0; host.push_attempts_at_wait = 0; host.wait_result = true; try std.testing.expect(try Bindings(SubagentWaitTestApp).waitForSubagent(&app, 41, 7)); try std.testing.expectEqual(@as(usize, 1), app.worker.push_attempts); try std.testing.expectEqual(@as(usize, 1), host.push_attempts_at_wait); try std.testing.expectEqual(@as(usize, 1), host.wait_calls); try std.testing.expectEqual(!fail_push, app.worker.event != null);
app.worker.push_attempts = 0; host.wait_calls = 0; host.push_attempts_at_wait = 0; host.wait_result = error.TestWaitFailed; try std.testing.expectError(error.TestWaitFailed, Bindings(SubagentWaitTestApp).waitForSubagent(&app, 42, 8)); try std.testing.expectEqual(@as(usize, 1), app.worker.push_attempts); try std.testing.expectEqual(@as(usize, 1), host.push_attempts_at_wait); try std.testing.expectEqual(@as(usize, 1), host.wait_calls); }}
const CredentialRefreshApp = struct { alloc: std.mem.Allocator = std.testing.allocator, auth: auth_runtime.Runtime = .{},
fn deinit(self: *CredentialRefreshApp) void { self.auth.deinit(self.alloc); }};
test "worker credential publication adopts secret rotation on the app owner" { const alloc = std.testing.allocator; var app: CredentialRefreshApp = .{}; defer app.deinit(); var initial = credentials.Credential{ .token = try alloc.dupe(u8, "stale-token"), .source = .fx_login, .team_id = try alloc.dupe(u8, "team_123"), .refresh_after_ms = 10, }; defer initial.deinit(alloc); _ = app.auth.adoptCredential(alloc, &initial);
var refreshed = credentials.Credential{ .token = try alloc.dupe(u8, "fresh-token"), .source = .fx_login, .team_id = try alloc.dupe(u8, "team_123"), .refresh_after_ms = std.math.maxInt(i64), }; defer refreshed.deinit(alloc); try Bindings(CredentialRefreshApp).workerBridgeCredentialRefreshed(&app, refreshed);
try std.testing.expectEqualStrings("fresh-token", app.auth.apiKey().?); try std.testing.expectEqualStrings("team_123", app.auth.gatewayTeam().?);}
test "agent deps forward app callbacks through core types" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).agentRuntimeDeps(&app); try std.testing.expect(deps.prepare_parent_turn_context == null); try std.testing.expect(deps.acknowledge_parent_turn_context == null); try deps.push_text(deps.ctx, .{ .assistant_rendered = "hello" }); try deps.finalize_turn(deps.ctx, 9, .completed, .length_limited); try deps.propagate_history_turn(deps.ctx, .{ .compacted_summary = .{ .summary = @constCast("summary"), .removed_turn_count = 1, .compaction_count = 1, } }); try deps.propagate_grant(deps.ctx, "read_file", "/tmp/a"); const finished = try types.dupeFinishedPrompt(std.heap.c_allocator, .{ .turn = .{ .compacted_summary = .{ .summary = @constCast("finished"), .removed_turn_count = 1, .compaction_count = 1, }, } }); try deps.push_event(deps.ctx, .{ .finish_prompt = finished });
try std.testing.expectEqual(@as(usize, 3), app.worker.events.items.len); try std.testing.expectEqualStrings("hello", app.worker.events.items[0].assistant_presentation.text); try std.testing.expect(app.worker.events.items[1] == .tool_lifecycle); try std.testing.expectEqual( @as(u64, 9), app.worker.events.items[1].tool_lifecycle.turn_finished.turn_id, ); try std.testing.expectEqual( types.TurnPresentationOutcome.completed, app.worker.events.items[1].tool_lifecycle.turn_finished.outcome, ); try std.testing.expectEqual(@as(usize, 1), app.worker.propagated_history_turns); try std.testing.expectEqual(@as(usize, 1), app.worker.propagated_grants); try std.testing.expectEqual(@as(usize, 0), app.worker.active_snapshot_transfers);
const validation = try (deps.validate_tool_call orelse return error.TestExpectedEqual)(deps.ctx, std.testing.allocator, .{ .id = "fetch", .name = "web_fetch", .arguments_json = "{\"url\":1}", }); defer std.testing.allocator.free(validation.failure); try std.testing.expectEqualStrings("invalid web_fetch", validation.failure);
const formatted = try deps.format_tool_execution_error(deps.ctx, std.testing.allocator, "tool", error.Boom); defer std.testing.allocator.free(formatted); try std.testing.expectEqualStrings("tool:Boom", formatted);}
test "agent deps use request-time model capability resolution when available" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).agentRuntimeDeps(&app); const capabilities = try deps.resolve_model_capabilities( deps.ctx, std.testing.allocator, "provider/new-reasoning-model", );
try std.testing.expectEqual(@as(usize, 1), app.capability_request_count); try std.testing.expect(model_capabilities.reasoningEffortSupported(capabilities, types.ReasoningEffort.literal("future-tier")));}
test "agent deps record rejected tool calls in feedback diagnostics" { var app = FakeApp.init(std.testing.allocator); defer app.deinit(); diagnostics.resetForTest(); defer diagnostics.resetForTest();
const deps = Bindings(FakeApp).agentRuntimeDeps(&app); const record = deps.record_tool_call_rejected orelse return error.TestExpectedEqual; try record(deps.ctx, std.testing.allocator, .{ .id = "denied", .name = "run_command", .arguments_json = "{\"command\":\"touch /tmp/denied\"}", }, "{\"error\":{\"type\":\"tool_permission_denied\",\"reason\":\"auto_denied\"}}", null);
var buf: [1]diagnostics.ToolCallMetric = undefined; const n = diagnostics.snapshotToolCalls(&buf); try std.testing.expectEqual(@as(usize, 1), n); try std.testing.expectEqual(diagnostics.ToolCallOutcome.rejected, buf[0].outcome); try std.testing.expectEqualStrings("run_command", buf[0].name()); try std.testing.expect(std.mem.find(u8, buf[0].args(), "touch /tmp/denied") != null); try std.testing.expect(std.mem.find(u8, buf[0].result(), "tool_permission_denied") != null); try std.testing.expectEqual(@as(u64, 0), buf[0].subagent_id);}
test "app semantic presentation sink retains payload ownership only after successful queueing" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const sink = Bindings(FakeApp).semanticPresentationSink(&app);
const table = try assistant_presentation.parseTablePayload( std.heap.c_allocator, "| Name | Count |\n|------|------:|\n| api | 7 |\n", ); const table_source_cell = table.rows[1].cells[0].ptr; try sink.table(sink.ctx, table);
const code = try std.heap.c_allocator.dupe(u8, "const ready = true;\n"); const code_source_ptr = code.ptr; try sink.code_block(sink.ctx, .{ .language = try std.heap.c_allocator.dupe(u8, "zig"), .code = code, });
try std.testing.expectEqual(@as(usize, 2), app.worker.events.items.len); try std.testing.expect(app.worker.events.items[0] == .assistant_presentation); try std.testing.expect(app.worker.events.items[0].assistant_presentation == .table); try std.testing.expectEqualStrings("api", app.worker.events.items[0].assistant_presentation.table.rows[1].cells[0]); try std.testing.expect(app.worker.events.items[0].assistant_presentation.table.rows[1].cells[0].ptr != table_source_cell); try std.testing.expect(app.worker.events.items[1] == .assistant_presentation); try std.testing.expect(app.worker.events.items[1].assistant_presentation == .code_block); try std.testing.expectEqualStrings("const ready = true;\n", app.worker.events.items[1].assistant_presentation.code_block.code); try std.testing.expect(app.worker.events.items[1].assistant_presentation.code_block.code.ptr != code_source_ptr);
app.worker.fail_semantic_push = true; const failed_table = try assistant_presentation.parseTablePayload( std.heap.c_allocator, "| Name | Count |\n|------|------:|\n| api | 7 |\n", ); try std.testing.expectError( error.TestSemanticPresentationPublicationFailure, sink.table(sink.ctx, failed_table), ); var retained = failed_table; retained.deinit(std.heap.c_allocator);}
test "interactive stream adapter queues byte-identical rendered spans" { var app = FakeApp.init(std.testing.allocator); defer app.deinit(); app.worker.worker_cancel_requested.store(true, .seq_cst);
const spans = [_][]const u8{ "\x1b[1mbold\x1b[22m and \x1b[3mitalic\x1b[23m\n", "\x1b]8;id=fx-1;https://example.com\x1b\\docs\x1b]8;;\x1b\\\n", "\x1b[2m\xe2\x94\x82 \x1b[22mconst x = **literal**;\n", }; const deps = Bindings(FakeApp).agentRuntimeDeps(&app); for (spans) |span| try deps.push_text(deps.ctx, .{ .assistant_rendered = span });
try std.testing.expectEqual(spans.len, app.worker.events.items.len); for (spans, app.worker.events.items) |expected, event| { try std.testing.expect(event == .assistant_presentation); try std.testing.expect(event.assistant_presentation == .text); try std.testing.expectEqualStrings(expected, event.assistant_presentation.text); } try std.testing.expectEqual(@as(usize, 0), app.pacer.enqueue_count); try std.testing.expectEqual(@as(usize, 0), app.pacer.text.items.len); try std.testing.expectEqual(@as(usize, 0), app.pacer.flush_count);}
test "inner search tokens do not replace outer context counters" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).agentRuntimeDeps(&app); (deps.report_usage orelse return error.TestExpectedEqual)(deps.ctx, .{ .input_tokens = 100, .output_tokens = 20, }); const report = deps.report_inner_tool_usage orelse return error.TestExpectedEqual; const search_names = [_][]const u8{ "web_search", "exa_search", "parallel_search", "perplexity_search", }; for (search_names) |name| { report(deps.ctx, name, .{ .input_tokens = 999, .output_tokens = 888, .web_search_requests = 1, }); } report(deps.ctx, "provider_tool", .{ .web_search_requests = 7 });
try std.testing.expectEqual(@as(u64, 100), app.total_input_tokens); try std.testing.expectEqual(@as(u64, 20), app.total_output_tokens); try std.testing.expectEqual(@as(u64, 4), app.total_web_search_requests);}
test "agent diff block callback enqueues worker event without direct transcript mutation" { const c_alloc = std.heap.c_allocator; var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).agentRuntimeDeps(&app); try deps.push_diff_block(deps.ctx, .{ .preview = try c_alloc.dupe(u8, "diff preview"), });
try std.testing.expectEqual(@as(usize, 0), app.diff_register_count); try std.testing.expectEqual(@as(usize, 1), app.worker.events.items.len); try std.testing.expect(app.worker.events.items[0] == .diff_block); try std.testing.expectEqualStrings("diff preview", app.worker.events.items[0].diff_block.preview);}
const committed_preview_lines = [_]diff_mod.PreviewLine{ .{ .op = .deletion, .old_line = 1, .text = "before", }, .{ .op = .addition, .new_line = 1, .text = "after", },};
fn testCommittedFileHandoff() file_mutation.CommittedFileHandoff { return file_mutation.CommittedFileHandoff.init( .{ .path = "tracked.txt", .lines = &committed_preview_lines, .additions = 1, .deletions = 1, .truncated = false, }, .{ .kind = .edit, .raw_path = "/tmp/workspace/tracked.txt", .previous_content = "before\n", .committed_at_ms = 42, }, );}
test "committed file handoff publishes prepared diff and cloned tracker state" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).agentRuntimeDeps(&app); const handoff = testCommittedFileHandoff(); const report = deps.publish_committed_file_handoff(deps.ctx, handoff);
try std.testing.expectEqual( agent_runtime.SecondarySinkOutcome.published, report.diff, ); try std.testing.expectEqual( agent_runtime.SecondarySinkOutcome.published, report.tracker, ); try std.testing.expectEqual(@as(usize, 1), app.worker.events.items.len); try std.testing.expect(app.worker.events.items[0] == .diff_block); try std.testing.expect(std.mem.find( u8, app.worker.events.items[0].diff_block.preview, "after", ) != null); try std.testing.expectEqual(@as(u32, 1), app.worker.events.items[0].diff_block.additions); try std.testing.expectEqual(@as(u32, 1), app.worker.events.items[0].diff_block.deletions); try std.testing.expectEqual(@as(usize, 1), app.change_tracker.stack.items.len); const tracked = app.change_tracker.stack.items[0]; try std.testing.expectEqualStrings(handoff.tracker.raw_path, tracked.path); try std.testing.expect(tracked.path.ptr != handoff.tracker.raw_path.ptr); try std.testing.expectEqualStrings( handoff.tracker.previous_content.?, tracked.previous_content.?, ); try std.testing.expect( tracked.previous_content.?.ptr != handoff.tracker.previous_content.?.ptr, );}
test "command output callback drops cancelled late chunks without mutating queued output" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const lifecycle_id = types.ToolLifecycleId{ .turn_id = 11, .call_id = "command-output-callback" }; try Bindings(FakeApp).onCommandOutputChunk(&app, lifecycle_id, .stdout, "visible-one"); try Bindings(FakeApp).onCommandOutputChunk(&app, lifecycle_id, .stderr, "visible-two"); try std.testing.expectEqual(@as(usize, 2), app.worker.events.items.len); try std.testing.expectEqual(@as(u64, 11), app.worker.events.items[0].command_output.lifecycle_id.?.turn_id); try std.testing.expectEqualStrings( "command-output-callback", app.worker.events.items[0].command_output.lifecycle_id.?.call_id, ); try std.testing.expectEqual(command_output_content.Stream.stdout, app.worker.events.items[0].command_output.stream); try std.testing.expectEqualStrings("visible-one", app.worker.events.items[0].command_output.text); try std.testing.expectEqual(command_output_content.Stream.stderr, app.worker.events.items[1].command_output.stream); try std.testing.expectEqualStrings("visible-two", app.worker.events.items[1].command_output.text);
app.worker.worker_cancel_requested.store(true, .seq_cst); try Bindings(FakeApp).onCommandOutputChunk(&app, lifecycle_id, .stdout, "late-one"); try Bindings(FakeApp).onCommandOutputChunk(&app, lifecycle_id, .stderr, "late-two");
try std.testing.expectEqual(@as(usize, 2), app.worker.events.items.len); try std.testing.expectEqualStrings("visible-one", app.worker.events.items[0].command_output.text); try std.testing.expectEqualStrings("visible-two", app.worker.events.items[1].command_output.text);}
test "command output callback returns queue handoff failure" { var app = FakeApp.init(std.testing.allocator); defer app.deinit(); app.worker.fail_command_output_push = true;
try std.testing.expectError( error.OutOfMemory, Bindings(FakeApp).onCommandOutputChunk(&app, null, .stdout, "not-queued"), ); try std.testing.expectEqual(@as(usize, 0), app.worker.events.items.len);}
test "web progress callback keeps typed lifecycle facts during cancellation" { var app = FakeApp.init(std.testing.allocator); defer app.deinit(); app.worker.active_turn_id = 41; app.worker.worker_cancel_requested.store(true, .seq_cst);
Bindings(FakeApp).onWebSearchProgress(&app, "search_call", .{ .results_received = .{ .query = "current news", .result_count = 3, }, });
try std.testing.expectEqual(@as(usize, 1), app.worker.events.items.len); const lifecycle = app.worker.events.items[0].tool_lifecycle; try std.testing.expect(lifecycle == .progress); try std.testing.expectEqual(@as(u64, 41), lifecycle.progress.id.turn_id); try std.testing.expectEqualStrings("search_call", lifecycle.progress.id.call_id); try std.testing.expect(std.mem.find( u8, lifecycle.progress.text, "Found 3 results", ) != null);
app.worker.active_turn_id = 0; Bindings(FakeApp).onWebSearchProgress(&app, "unowned", .{ .query_started = "ignored", }); try std.testing.expectEqual(@as(usize, 1), app.worker.events.items.len);}
test "MCP progress callback publishes the owning tool lifecycle" { var app = FakeApp.init(std.testing.allocator); defer app.deinit(); const lifecycle_id = types.ToolLifecycleId{ .turn_id = 42, .call_id = "mcp-progress", };
Bindings(FakeApp).onMcpProgress(&app, lifecycle_id, "MCP fixture halfway");
try std.testing.expectEqual(@as(usize, 1), app.worker.events.items.len); const lifecycle = app.worker.events.items[0].tool_lifecycle; try std.testing.expect(lifecycle == .progress); try std.testing.expectEqual(@as(u64, 42), lifecycle.progress.id.turn_id); try std.testing.expectEqualStrings("mcp-progress", lifecycle.progress.id.call_id); try std.testing.expect(std.mem.find( u8, lifecycle.progress.text, "● MCP fixture halfway", ) != null);}
test "subagent status renderer honors session and parent workspace toggles" { const StatusApp = struct { statusline_context: bool = true, statusline_session: bool = true, workspace_identity: @import("../workspace/statusline_identity.zig").Runtime = .{ .enabled = true, .workspace_label = @constCast("~/fx"), .branch_label = @constCast("feature/status"), },
pub fn resolvedModelCapabilities(_: *@This(), _: []const u8) model_capabilities.Capabilities { return .{ .supports_reasoning = true }; } }; var app = StatusApp{}; const renderer = Bindings(StatusApp).subagentStatusRenderer(&app); var buf: [256]u8 = undefined; const status = types.SubagentStatus{ .model = "openai/gpt-5.5", .effort = types.ReasoningEffort.literal("high"), .input_tokens = 12_000, .context_window = 100_000, .session_title = "reviewer", };
try std.testing.expectEqualStrings( "gpt-5.5 · high · reviewer · 12k/100k 12% · ~/fx (feature/status)", renderer.render(&buf, status), );
app.statusline_context = false; app.statusline_session = false; app.workspace_identity.enabled = false; try std.testing.expectEqualStrings("gpt-5.5 · high", renderer.render(&buf, status));}
test "agent context and system notices share semantic transport with distinct fields" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).agentRuntimeDeps(&app); try deps.push_context_notice.?( deps.ctx, "[context] first warning\n[context] second warning", ); try deps.push_system_notice(deps.ctx, "ordinary-system"); try deps.push_interactive_notice.?(deps.ctx, .{ .topic = "background", .tone = .information, .body = "Command #1 started. Log: /tmp/run.log", });
try std.testing.expectEqual(@as(usize, 3), app.worker.events.items.len); try std.testing.expect(app.worker.events.items[0] == .semantic_notice); const context = app.worker.events.items[0].semantic_notice; try std.testing.expectEqualStrings("context", context.topic); try std.testing.expectEqual(types.NoticeTone.warning, context.tone); try std.testing.expectEqualStrings("first warning\nsecond warning", context.body); try std.testing.expectEqual(types.NoticeVisibility.full_only, context.visibility); try std.testing.expect(app.worker.events.items[1] == .semantic_notice); const ordinary = app.worker.events.items[1].semantic_notice; try std.testing.expectEqualStrings("system", ordinary.topic); try std.testing.expectEqual(types.NoticeTone.neutral, ordinary.tone); try std.testing.expectEqualStrings("ordinary-system", ordinary.body); try std.testing.expectEqual(types.NoticeVisibility.compact_and_full, ordinary.visibility); const interactive = app.worker.events.items[2].semantic_notice; try std.testing.expectEqualStrings("background", interactive.topic); try std.testing.expectEqual(types.NoticeTone.information, interactive.tone); try std.testing.expectEqualStrings("Command #1 started. Log: /tmp/run.log", interactive.body);}
test "worker bridge deps forward UI operations" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).workerEventHandlers(&app); const prompt = types.UserTurn{ .text = @constCast("prompt"), .images = &.{} }; const lifecycle_id = types.ToolLifecycleId{ .turn_id = 7, .call_id = "command-7" }; app.terminal.alternate_screen_owner = .active; const lifecycle_transition = try deps.tool_lifecycle.apply( app.alloc, .{ .authoritative_started = .{ .id = .{ .turn_id = 8, .call_id = "read-8" }, .reconciles_provisional_call_id = null, .tool_name = "read_file", .activity_kind = .read, } }, ); try std.testing.expectEqual( types.ToolActivityKind.read, lifecycle_transition.applied_activity_kind.?, ); try std.testing.expect(lifecycle_transition.focus_changed()); try std.testing.expectEqual(@as(usize, 1), app.shell.preserved_anchor_apply_count); try std.testing.expectEqual(@as(usize, 1), deps.tool_lifecycle.snapshot().active_tool_count); const terminal_transition = try deps.tool_lifecycle.apply( app.alloc, .{ .terminal = .{ .id = .{ .turn_id = 8, .call_id = "read-8" }, .outcome = .{ .kind = .completed, .summary = "Read file" }, } }, ); try std.testing.expectEqualStrings( "read_file", terminal_transition.terminal_record.?.tool_name.?, ); try std.testing.expectEqual(@as(usize, 0), terminal_transition.snapshot.active_tool_count); try deps.tool_lifecycle.finish_batch(app.alloc); try deps.write_user_prompt(deps.ctx, prompt); try deps.append_text(deps.ctx, "assistant"); try deps.semantic_notice(deps.ctx, .{ .topic = "context", .tone = .warning, .body = "context-warning", .visibility = .full_only, }); try std.testing.expectEqualStrings("context", app.last_notice_topic.items); try std.testing.expectEqual(types.NoticeTone.warning, app.last_notice_tone); try std.testing.expectEqual(types.NoticeVisibility.full_only, app.last_notice_visibility); try std.testing.expect(app.last_notice_record); try deps.command_output(deps.ctx, lifecycle_id, .stdout, "cmd"); try deps.command_output_complete(deps.ctx, lifecycle_id); try deps.diff_block(deps.ctx, .{ .preview = try std.heap.c_allocator.dupe(u8, "diff preview"), }); _ = try deps.append_history_turn(deps.ctx, .{ .turn = .{ .compacted_summary = .{ .summary = @constCast("summary"), .removed_turn_count = 1, .compaction_count = 1, } }, .summary = .{ .thinking_duration_ms = 15_000, .turn_duration_ms = 130_000, .token_progress = .{ .input_tokens = 10_000, .output_tokens = 5_000 }, } }); try deps.session_grant(deps.ctx, .{ .tool_name = @constCast("read_file"), .target_path = @constCast("/tmp/a") }); try deps.error_text(deps.ctx, .{ .topic = "system", .tone = .@"error", .body = "err", }); try std.testing.expectEqualStrings("system", app.last_notice_topic.items); try std.testing.expectEqual(types.NoticeTone.@"error", app.last_notice_tone);
try std.testing.expectEqual(@as(usize, 1), app.user_prompt_count); try std.testing.expectEqualStrings("assistant", app.pacer.text.items); try std.testing.expectEqual(@as(usize, 1), app.command_output_count); try std.testing.expectEqual(@as(usize, 1), app.command_output_complete_count); try std.testing.expectEqual(@as(u64, 7), app.last_command_output_lifecycle_turn_id.?); try std.testing.expectEqualStrings("command-7", app.last_command_output_lifecycle_call_id); try std.testing.expectEqual(@as(u64, 7), app.last_command_output_complete_lifecycle_turn_id.?); try std.testing.expectEqualStrings("command-7", app.last_command_output_complete_lifecycle_call_id); try std.testing.expectEqual(@as(usize, 1), app.diff_register_count); try std.testing.expectEqual(@as(usize, 1), app.history_append_count); try std.testing.expectEqual(@as(usize, 1), app.summary_append_count); try std.testing.expectEqual(@as(u64, 5_000), app.last_summary.?.token_progress.output_tokens); try std.testing.expectEqual(@as(usize, 1), app.grant_count); try std.testing.expect(std.mem.find(u8, app.transcript.items, "err") != null); try std.testing.expectEqualStrings("system", app.last_notice_topic.items); try std.testing.expectEqual(types.NoticeTone.@"error", app.last_notice_tone); try std.testing.expectEqual(types.NoticeVisibility.compact_and_full, app.last_notice_visibility);}
test "worker bridge binds model picker callback to current completion selection" { const current_model = "anthropic/claude-opus-4.8"; const completions = [_][]const u8{ "provider/model-0", current_model, }; var app = FakeApp.init(std.testing.allocator); defer app.deinit(); app.model_completion_values = &completions; try app.selected_model.appendSlice(app.alloc, current_model); const deps = Bindings(FakeApp).workerEventHandlers(&app);
try deps.open_model_picker(deps.ctx);
try std.testing.expectEqualStrings("/model ", app.input_runtime.edit_state.input.items); var projected: [32][]const u8 = undefined; const projected_count = input_completion_runtime.CompletionRuntime(FakeApp).modelPickerCompletions(&app, "", &projected); try std.testing.expectEqual( @as(usize, 1), input_completion_runtime.CompletionRuntime(FakeApp).modelPickerIndex(&app, projected[0..projected_count]), ); try std.testing.expect(app.shell.render_requests.hasReason(.footer));}
test "worker bridge model picker callback stays out of the borrowed composer" { const current_model = "anthropic/claude-opus-4.8"; const completions = [_][]const u8{ "provider/model-0", current_model, }; var app = FakeApp.init(std.testing.allocator); defer app.deinit(); app.model_completion_values = &completions; try app.selected_model.appendSlice(app.alloc, current_model); try app.input_runtime.textReplacementState().replace(app.alloc, "typed draft"); app.input_runtime.model_picker_draft = composer_stash.State.capture( app.input_runtime.composerStashView(), ); const deps = Bindings(FakeApp).workerEventHandlers(&app);
try deps.open_model_picker(deps.ctx);
// The borrowed composer stays empty for the catalog menu's query box. try std.testing.expectEqualStrings("", app.input_runtime.edit_state.input.items); try std.testing.expect(app.input_runtime.model_picker_draft != null);}
test "workerBridgeAppendText enqueues text without producer-owned gap mutation" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).workerEventHandlers(&app); try deps.append_text(deps.ctx, "hello");
try std.testing.expectEqualStrings("hello", app.pacer.text.items);}
test "worker bridge exposes assistant text drain separately from semantic notice" { var app = FakeApp.init(std.testing.allocator); defer app.deinit();
const deps = Bindings(FakeApp).workerEventHandlers(&app); try deps.append_text(deps.ctx, "partial output"); try std.testing.expectEqual( app_worker_runtime.AssistantTextDrainResult.drained, try deps.drain_assistant_text(deps.ctx), ); try deps.semantic_notice(deps.ctx, .{ .topic = "system", .tone = .neutral, .body = "notice", });
try std.testing.expectEqual(@as(usize, 1), app.pacer.flush_count); try std.testing.expectEqual(@as(usize, 0), app.pacer.text.items.len);}
test "worker bridge history append fallback updates runtime history" { const alloc = std.testing.allocator; var app = NoOverridePersistentApp{ .alloc = alloc }; defer app.deinit();
const deps = Bindings(NoOverridePersistentApp).workerEventHandlers(&app); const turn = try session_runtime.makeAssistantTurn(alloc, "persist me", "saved"); defer session_runtime.freeHistoryTurn(alloc, turn);
_ = try deps.append_history_turn(deps.ctx, .{ .turn = turn });
try std.testing.expectEqual(@as(usize, 1), app.session.historyLen()); try std.testing.expectEqualStrings( "persist me", app.session.agent.history.items[0].assistant.user.text, ); try std.testing.expectEqualStrings( "saved", app.session.agent.history.items[0].assistant.assistant, );}