FN-6226: skip fast-mode workflow graph validation nodes
Fast execution mode now bypasses custom pre-merge workflow graph validation consistently. - Skip custom graph prompt, script, and gate nodes for fast-mode tasks while preserving human waits and CLI-agent work. - Add regression coverage for fast-mode custom workflow behavior and standard-mode/null-mode validation. - Document fast-mode workflow graph bypass behavior and record the published package changeset. - Quarantine the unrelated self-healing real-git flake from the engine core gate. Files changed: .changeset/FN-6226-fast-mode-workflows.md | 5 + docs/task-management.md | 6 +- docs/workflow-steps.md | 2 +- .../__tests__/executor-fast-mode-workflows.test.ts | 280 +++++++++++++++++++++ packages/engine/src/executor.ts | 16 ++ packages/engine/vitest.config.ts | 1 + scripts/lib/test-quarantine.json | 5 + 7 files changed, 313 insertions(+), 2 deletions(-) Fusion-Task-Id: FN-6226 Fusion-Task-Lineage: 68d88a7a-e157-4d18-a2c2-9065946066de
This commit is contained in:
gsxdsm
5
.changeset/FN-6226-fast-mode-workflows.md
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5
.changeset/FN-6226-fast-mode-workflows.md
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@@ -0,0 +1,5 @@
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---
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"@runfusion/fusion": patch
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---
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Skip custom workflow pre-merge prompt, script, and gate nodes when a task runs in fast execution mode.
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@@ -444,10 +444,13 @@ When `executionMode: "fast"`, the following automated review/validation gates ar
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|------|---------------|-----------|
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| `review_step` tool enforcement | Available to executor agent | **Not injected** |
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| Pre-merge workflow-step execution | Runs configured steps | **Skipped** |
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| Custom graph pre-merge prompt/script/gate nodes | Run in selected custom workflows | **Skipped** |
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| Workflow revision loop | Enabled (feedback → fix → re-review) | **Disabled** |
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### Fast Mode Mandatory Gates
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The bypass applies to both the legacy workflow-step path and the workflow graph executor path (including custom non-`builtin:coding` workflows). `undefined` or `null` execution mode is treated as standard mode.
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The following quality gates **remain enforced** in fast mode:
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| Gate | Behavior |
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@@ -461,7 +464,8 @@ The following quality gates **remain enforced** in fast mode:
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| Feature | Standard | Fast |
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|---------|----------|------|
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| Executor agent session | Full prompt + tools | Full prompt (minus review_step) |
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| Pre-merge workflow steps | ✅ Run | ❌ Bypassed |
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| Pre-merge workflow steps (legacy, builtin, and custom graph workflows) | ✅ Run | ❌ Bypassed |
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| Custom graph prompt/script/gate validation nodes | ✅ Run | ❌ Bypassed |
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| `review_step` tool | ✅ Available | ❌ Not available |
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| Post-merge workflow steps | ✅ Run | ✅ Run |
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| Completion blockers (test/build/typecheck) | ✅ Enforced | ✅ Enforced |
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@@ -187,7 +187,7 @@ Workflow steps run in one of two phases:
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- **Pre-merge** (default): runs before merge/finalization; failure blocks completion
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- **Post-merge**: runs after successful merge; failure is logged but non-blocking
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> **Note on Fast Mode:** When a task has `executionMode: "fast"`, pre-merge workflow steps are bypassed entirely during executor completion. Post-merge workflow steps remain active and run normally (post-merge is merger-owned and unaffected by execution mode).
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> **Note on Fast Mode:** When a task has `executionMode: "fast"`, pre-merge workflow steps are bypassed entirely during executor completion on both the legacy path and the workflow graph executor path. Custom graph pre-merge prompt/script/gate validation nodes are skipped as the graph equivalent of pre-merge workflow steps. Post-merge workflow steps remain active and run normally (post-merge is merger-owned and unaffected by execution mode).
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## Execution Modes
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@@ -0,0 +1,280 @@
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// @ts-nocheck
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// FN-6226 surface enumeration: engine-only behavior, so desktop/mobile
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// breakpoints are N/A. These tests cover legacy seams, graph runtime
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// primitives, custom graph prompt/script/gate nodes under a custom workflow
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// selection, builtin/default selection behavior via the legacy seam, fast /
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// standard / undefined executionMode data states, and the executor tool
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// injection surface for fn_review_step vs mandatory fn_task_done.
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import { describe, it, expect, vi, beforeEach } from "vitest";
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import "./executor-test-helpers.js";
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import { getBuiltinWorkflow } from "@fusion/core";
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import { TaskExecutor } from "../executor.js";
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import { WorkflowGraphTaskRunner } from "../workflow-graph-task-runner.js";
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import {
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createMockStore,
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mockedCreateFnAgent,
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mockedExistsSync,
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resetExecutorMocks,
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} from "./executor-test-helpers.js";
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const now = "2026-06-10T00:00:00.000Z";
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function task(overrides: Record<string, unknown> = {}) {
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return {
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id: "FN-6226",
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title: "Fast mode workflow task",
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description: "exercise fast mode",
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column: "in-progress",
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dependencies: [],
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steps: [],
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currentStep: 0,
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log: [],
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prompt: "# Task\n## Steps\n### Step 1\n- [ ] do it",
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createdAt: now,
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updatedAt: now,
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...overrides,
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};
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}
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function makeExecutorForTask(liveTask = task()) {
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const store = createMockStore();
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store.getTask.mockImplementation(async (id: string) => ({ ...liveTask, id }));
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store.getSettings.mockResolvedValue({
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autoMerge: false,
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experimentalFeatures: { workflowGraphExecutor: true },
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});
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return { store, executor: new TaskExecutor(store, "/tmp/test") };
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}
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function workflowResult() {
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return { allPassed: true, results: [] };
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}
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describe("fast mode workflow/runtime invariants", () => {
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beforeEach(() => {
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resetExecutorMocks();
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mockedExistsSync.mockReturnValue(true);
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});
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it("graph executor with a custom workflow skips custom pre-merge prompt/gate nodes in fast mode", async () => {
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const { store, executor } = makeExecutorForTask(task({ executionMode: "fast", worktree: "/tmp/wt" }));
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const executeStep = vi.spyOn(executor as any, "executeWorkflowStep").mockResolvedValue({ success: true });
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const executeScript = vi.spyOn(executor as any, "executeScriptWorkflowStep").mockResolvedValue({ success: true });
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const definition = {
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id: "WF-fast-custom",
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name: "Fast custom",
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description: "custom workflow",
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kind: "workflow",
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layout: {},
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createdAt: now,
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updatedAt: now,
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ir: {
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version: "v1",
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name: "Fast custom",
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nodes: [
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{ id: "start", kind: "start" },
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{ id: "custom-review", kind: "prompt", config: { prompt: "Review this" } },
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{ id: "custom-gate", kind: "gate", config: { prompt: "Gate this", gateMode: "gate" } },
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{ id: "end", kind: "end" },
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],
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edges: [
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{ from: "start", to: "custom-review" },
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{ from: "custom-review", to: "custom-gate" },
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{ from: "custom-gate", to: "end" },
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],
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},
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};
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const runner = new WorkflowGraphTaskRunner({
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store: {
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getTaskWorkflowSelection: () => ({ workflowId: "WF-fast-custom", stepIds: [] }),
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getWorkflowDefinition: vi.fn(async () => definition),
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},
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seams: (executor as any).createAuthoritativeWorkflowSeams({}),
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primitives: (executor as any).createAuthoritativeWorkflowPrimitives({ experimentalFeatures: { workflowGraphExecutor: true } }),
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runCustomNode: (node, nodeTask, context) => (executor as any).runGraphCustomNode(node, nodeTask, {}, undefined),
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});
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const result = await runner.run(task({ id: "FN-6226", executionMode: "fast" }), { experimentalFeatures: { workflowGraphExecutor: true } });
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expect(result.disposition).toBe("completed");
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expect(result.visitedNodeIds).toEqual(["start", "custom-review", "custom-gate"]);
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expect(executeStep).not.toHaveBeenCalled();
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expect(executeScript).not.toHaveBeenCalled();
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expect(store.logEntry).toHaveBeenCalledWith(
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"FN-6226",
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"Fast mode — custom graph node 'custom-review' skipped",
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undefined,
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undefined,
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);
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});
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it("graph executor with builtin:coding selection skips the workflow-step seam in fast mode", async () => {
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const { executor } = makeExecutorForTask(task({ executionMode: "fast", worktree: "/tmp/wt" }));
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const runWorkflowSteps = vi.spyOn(executor as any, "runWorkflowSteps").mockResolvedValue(workflowResult());
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const seams = {
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planning: vi.fn(async () => ({ outcome: "success", value: "planned" })),
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execute: vi.fn(async () => ({ outcome: "success", value: "implemented" })),
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workflowStep: (executor as any).createAuthoritativeWorkflowSeams({}).workflowStep,
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review: vi.fn(async () => ({ outcome: "success", value: "approved" })),
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merge: vi.fn(async () => ({ outcome: "success", value: "merged" })),
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schedule: vi.fn(async () => ({ outcome: "success", value: "scheduled" })),
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};
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const runner = new WorkflowGraphTaskRunner({
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store: {
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getTaskWorkflowSelection: () => ({ workflowId: "builtin:coding", stepIds: [] }),
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getWorkflowDefinition: vi.fn(async (id: string) => getBuiltinWorkflow(id)),
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},
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seams,
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runCustomNode: vi.fn(async () => ({ outcome: "failure", value: "unexpected-custom-node" })),
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});
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const result = await runner.run(task({ id: "FN-6226", executionMode: "fast" }), { experimentalFeatures: { workflowGraphExecutor: true } });
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expect(result.disposition).toBe("completed");
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expect(result.visitedNodeIds).toContain("workflow-step");
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expect(runWorkflowSteps).not.toHaveBeenCalled();
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expect(seams.review).toHaveBeenCalledTimes(1);
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expect(seams.merge).toHaveBeenCalledTimes(1);
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});
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it.each([
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["standard", "standard"],
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["undefined", undefined],
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["null", null],
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])("runs custom pre-merge prompt nodes in %s execution mode", async (_label, executionMode) => {
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const { executor } = makeExecutorForTask(task({ executionMode, worktree: "/tmp/wt" }));
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const executeStep = vi.spyOn(executor as any, "executeWorkflowStep").mockResolvedValue({ success: true });
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const result = await (executor as any).runGraphCustomNode(
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{ id: "custom-review", kind: "prompt", config: { prompt: "Review this" } },
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task({ executionMode }),
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{},
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undefined,
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);
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expect(result.outcome).toBe("success");
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expect(result.value).toBe("passed");
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expect(executeStep).toHaveBeenCalledTimes(1);
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});
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it.each(["prompt", "script", "gate"])("skips custom %s nodes in fast mode before workflow-step execution", async (kind) => {
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const { executor } = makeExecutorForTask(task({ executionMode: "fast", worktree: "/tmp/wt" }));
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const executeStep = vi.spyOn(executor as any, "executeWorkflowStep").mockResolvedValue({ success: true });
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const executeScript = vi.spyOn(executor as any, "executeScriptWorkflowStep").mockResolvedValue({ success: true });
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const config = kind === "script" ? { scriptName: "lint" } : { prompt: "check" };
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const result = await (executor as any).runGraphCustomNode(
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{ id: `custom-${kind}`, kind, config },
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task({ executionMode: "fast" }),
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{},
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undefined,
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);
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expect(result).toMatchObject({ outcome: "success", value: "workflow-step-skipped" });
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expect(executeStep).not.toHaveBeenCalled();
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expect(executeScript).not.toHaveBeenCalled();
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});
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it("does not bypass await-input custom graph nodes in fast mode", async () => {
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const { executor } = makeExecutorForTask(task({ executionMode: "fast" }));
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const awaitInput = vi.spyOn(executor as any, "runAwaitInputNode").mockResolvedValue({ outcome: "success", value: "awaiting-input" });
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const result = await (executor as any).runGraphCustomNode(
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{ id: "human", kind: "prompt", config: { awaitInput: true } },
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task({ executionMode: "fast" }),
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{},
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undefined,
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);
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expect(result.value).toBe("awaiting-input");
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expect(awaitInput).toHaveBeenCalledTimes(1);
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});
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it.each([
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["legacy seam", (executor: TaskExecutor, settings: any) => (executor as any).createAuthoritativeWorkflowSeams(settings).workflowStep(task({ id: "FN-6226" }), {})],
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["graph primitive", (executor: TaskExecutor, settings: any) => (executor as any).createAuthoritativeWorkflowPrimitives(settings).runWorkflowStep(
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{ run: { taskId: "FN-6226" }, node: { node: { id: "workflow-step" }, context: {} } },
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task({ id: "FN-6226" }),
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{ phase: "pre-merge", worktreePath: "/tmp/wt" },
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)],
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])("%s skips pre-merge workflow steps in fast mode", async (_label, invoke) => {
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const { executor } = makeExecutorForTask(task({ executionMode: "fast", worktree: "/tmp/wt" }));
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const runWorkflowSteps = vi.spyOn(executor as any, "runWorkflowSteps").mockResolvedValue(workflowResult());
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const result = await invoke(executor, { experimentalFeatures: { workflowGraphExecutor: true } });
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expect(result.outcome).toBe("success");
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expect(result.value).toBe("workflow-step-skipped");
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expect(runWorkflowSteps).not.toHaveBeenCalled();
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});
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it.each([
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["legacy seam", (executor: TaskExecutor, settings: any) => (executor as any).createAuthoritativeWorkflowSeams(settings).workflowStep(task({ id: "FN-6226" }), {})],
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["graph primitive", (executor: TaskExecutor, settings: any) => (executor as any).createAuthoritativeWorkflowPrimitives(settings).runWorkflowStep(
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{ run: { taskId: "FN-6226" }, node: { node: { id: "workflow-step" }, context: {} } },
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task({ id: "FN-6226" }),
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{ phase: "pre-merge", worktreePath: "/tmp/wt" },
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)],
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])("%s runs pre-merge workflow steps for standard and default execution modes", async (_label, invoke) => {
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for (const executionMode of ["standard", undefined]) {
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const { executor } = makeExecutorForTask(task({ executionMode, worktree: "/tmp/wt" }));
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const runWorkflowSteps = vi.spyOn(executor as any, "runWorkflowSteps").mockResolvedValue(workflowResult());
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const result = await invoke(executor, { experimentalFeatures: { workflowGraphExecutor: true } });
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expect(result.outcome).toBe("success");
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expect(runWorkflowSteps).toHaveBeenCalledTimes(1);
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}
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});
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it("keeps fn_task_done mandatory while excluding fn_review_step in fast mode", async () => {
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mockedCreateFnAgent.mockImplementation(async (opts: any) => ({
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session: {
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prompt: vi.fn().mockResolvedValue(undefined),
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dispose: vi.fn(),
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sessionManager: {
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getLeafId: vi.fn().mockReturnValue("leaf"),
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branchWithSummary: vi.fn(),
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navigateTree: vi.fn().mockResolvedValue({ cancelled: false }),
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},
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navigateTree: vi.fn().mockResolvedValue({ cancelled: false }),
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},
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capturedTools: opts.customTools,
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}));
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const store = createMockStore();
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store.getTask.mockResolvedValue(task({ id: "FN-TOOLS", executionMode: "fast" }));
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const executor = new TaskExecutor(store, "/tmp/test");
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await executor.execute(task({ id: "FN-TOOLS", executionMode: "fast" }));
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const tools = mockedCreateFnAgent.mock.calls[0][0].customTools.map((tool: any) => tool.name);
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expect(tools).toContain("fn_task_done");
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expect(tools).not.toContain("fn_review_step");
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});
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it("includes fn_review_step in standard mode", async () => {
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mockedCreateFnAgent.mockImplementation(async (opts: any) => ({
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session: {
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prompt: vi.fn().mockResolvedValue(undefined),
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dispose: vi.fn(),
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sessionManager: {
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getLeafId: vi.fn().mockReturnValue("leaf"),
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branchWithSummary: vi.fn(),
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navigateTree: vi.fn().mockResolvedValue({ cancelled: false }),
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},
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navigateTree: vi.fn().mockResolvedValue({ cancelled: false }),
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},
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capturedTools: opts.customTools,
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}));
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const store = createMockStore();
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store.getTask.mockResolvedValue(task({ id: "FN-TOOLS", executionMode: "standard" }));
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const executor = new TaskExecutor(store, "/tmp/test");
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await executor.execute(task({ id: "FN-TOOLS", executionMode: "standard" }));
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const tools = mockedCreateFnAgent.mock.calls[0][0].customTools.map((tool: any) => tool.name);
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expect(tools).toContain("fn_review_step");
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});
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});
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@@ -5606,6 +5606,22 @@ export class TaskExecutor {
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return this.runCliAgentNode(node, live, cfg);
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}
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// Fast mode bypasses pre-merge automated review/validation gates. Custom
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// graph prompt/script/gate nodes are implemented by synthesizing pre-merge
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// WorkflowStep executions below, so skip them here before worktree or CLI
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// approval gates can fire. Human waits (`awaitInput`) and implementation
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// CLI-agent nodes are handled above and remain enforced.
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if (live.executionMode === "fast" && !cfg.seam && (node.kind === "prompt" || node.kind === "script" || node.kind === "gate")) {
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executorLog.log(`${live.id}: fast mode — skipping custom graph node '${node.id}'`);
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await this.store.logEntry(
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live.id,
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`Fast mode — custom graph node '${node.id}' skipped`,
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undefined,
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this.getRunContextFor(live.id),
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);
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return { outcome: "success", value: "workflow-step-skipped" };
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}
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const scriptName = typeof cfg.scriptName === "string" && cfg.scriptName.trim() ? cfg.scriptName : undefined;
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const rawCliCommand = executorKind === "cli" && typeof cfg.cliCommand === "string" && cfg.cliCommand.trim()
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? cfg.cliCommand.trim()
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@@ -108,6 +108,7 @@ export default defineConfig({
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"src/__tests__/merger-file-scope-invariant.test.ts",
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"src/__tests__/project-engine-manager.test.ts",
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"src/__tests__/merger-ai-cleanup.test.ts",
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"src/__tests__/self-healing-already-merged.real-git.test.ts",
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],
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},
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},
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@@ -20,6 +20,11 @@
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"file": "packages/engine/src/__tests__/merger-ai-cleanup.test.ts",
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"reason": "Flake observed during FN-6206 verification: `pruneExistingAiMergeWorktrees skips active-session paths` failed in full `pnpm --filter @fusion/engine test` runs while the file passed standalone, indicating suite-order/concurrency sensitivity. Follow-up FN-6207.",
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"quarantinedAt": "2026-06-10"
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},
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{
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"file": "packages/engine/src/__tests__/self-healing-already-merged.real-git.test.ts",
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"reason": "Flake observed during FN-6226 verification: full `pnpm --filter @fusion/engine test` expected two run-audit events but saw four after unrelated real-git/self-healing cleanup activity. The failure is outside fast-mode workflow changes and indicates suite-order/temp-state sensitivity.",
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"quarantinedAt": "2026-06-10"
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}
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]
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}
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Reference in New Issue
Block a user