From 7a6aef8be5b47e5db5416157f469f17017f57a71 Mon Sep 17 00:00:00 2001
From: kiannidev <156195510+kiannidev@users.noreply.github.com>
Date: Sun, 5 Jul 2026 17:40:41 +0200
Subject: [PATCH] feat(engine): add hasPlanCompletedSteps plan DAG helper

Pure predicate for partial plan progress alongside the existing plan
status helpers used by gittensory-miner plan-store.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 packages/gittensory-engine/README.md          |  1 +
 packages/gittensory-engine/src/index.ts       |  1 +
 .../gittensory-engine/src/plan-completed.ts   |  8 +++
 test/unit/plan-completed.test.ts              | 54 +++++++++++++++++++
 4 files changed, 64 insertions(+)
 create mode 100644 packages/gittensory-engine/src/plan-completed.ts
 create mode 100644 test/unit/plan-completed.test.ts

diff --git a/packages/gittensory-engine/README.md b/packages/gittensory-engine/README.md
index a4124aeb0c..be54700a5c 100644
--- a/packages/gittensory-engine/README.md
+++ b/packages/gittensory-engine/README.md
@@ -535,6 +535,7 @@ dashboard progress summaries:
 - `hasPlanPendingSteps(plan)` — any step is `pending`
 - `hasPlanRunningSteps(plan)` — any step is `running`
 - `hasPlanSkippedSteps(plan)` — any step is `skipped`
+- `hasPlanCompletedSteps(plan)` — any step is `completed`
 
 ## Opportunity competition
 
diff --git a/packages/gittensory-engine/src/index.ts b/packages/gittensory-engine/src/index.ts
index 5d52e13836..9c926fd903 100644
--- a/packages/gittensory-engine/src/index.ts
+++ b/packages/gittensory-engine/src/index.ts
@@ -145,6 +145,7 @@ export { hasPlanFailedSteps } from "./plan-failure.js";
 export { hasPlanPendingSteps } from "./plan-pending.js";
 export { hasPlanRunningSteps } from "./plan-running.js";
 export { hasPlanSkippedSteps } from "./plan-skipped.js";
+export { hasPlanCompletedSteps } from "./plan-completed.js";
 export * from "./plan-templates.js";
 export * from "./portfolio/queue.js";
 export {
diff --git a/packages/gittensory-engine/src/plan-completed.ts b/packages/gittensory-engine/src/plan-completed.ts
new file mode 100644
index 0000000000..ffdf11b75a
--- /dev/null
+++ b/packages/gittensory-engine/src/plan-completed.ts
@@ -0,0 +1,8 @@
+import type { PlanDag } from "./plan-export.js";
+
+/**
+ * Return whether any step in the plan is completed. Pure — reads the plan DAG only.
+ */
+export function hasPlanCompletedSteps(plan: PlanDag): boolean {
+  return plan.steps.some((step) => step.status === "completed");
+}
diff --git a/test/unit/plan-completed.test.ts b/test/unit/plan-completed.test.ts
new file mode 100644
index 0000000000..b4804f60e4
--- /dev/null
+++ b/test/unit/plan-completed.test.ts
@@ -0,0 +1,54 @@
+import { describe, expect, it } from "vitest";
+
+import { hasPlanCompletedSteps } from "../../packages/gittensory-engine/src/plan-completed";
+import type { PlanStep } from "../../packages/gittensory-engine/src/plan-export";
+
+function step(over: Partial<PlanStep> & { id: string; title: string }): PlanStep {
+  return {
+    actionClass: undefined,
+    dependsOn: [],
+    status: "pending",
+    attempts: 0,
+    maxAttempts: 3,
+    lastError: null,
+    ...over,
+  };
+}
+
+describe("hasPlanCompletedSteps", () => {
+  it("returns false for an empty plan", () => {
+    expect(hasPlanCompletedSteps({ steps: [] })).toBe(false);
+  });
+
+  it("returns false when no step is completed", () => {
+    expect(
+      hasPlanCompletedSteps({
+        steps: [
+          step({ id: "a", title: "Build", status: "pending" }),
+          step({ id: "b", title: "Test", status: "running" }),
+        ],
+      }),
+    ).toBe(false);
+  });
+
+  it("returns true when at least one step is completed", () => {
+    expect(
+      hasPlanCompletedSteps({
+        steps: [
+          step({ id: "a", title: "Build", status: "completed" }),
+          step({ id: "b", title: "Test", status: "pending" }),
+        ],
+      }),
+    ).toBe(true);
+  });
+
+  it("is exported from the package barrel", async () => {
+    const barrel = await import("../../packages/gittensory-engine/src/index");
+    expect(typeof barrel.hasPlanCompletedSteps).toBe("function");
+    expect(
+      barrel.hasPlanCompletedSteps({
+        steps: [step({ id: "a", title: "A", status: "completed" })],
+      }),
+    ).toBe(true);
+  });
+});