Plan artifact: evidence-checked multi-component design plans

e2e/plan-flow.spec.ts

@@ -0,0 +1,47 @@
+import { expect, test } from "@playwright/test";
+
+/**
+ * Full plan-artifact loop against the scripted fake LLM (CHAMFER_FAKE_LLM=1):
+ * the agent plans two components, builds the base, records it done
+ * (evidence-checked against the gate), stops prematurely, gets the
+ * deterministic plan nudge, builds the assembly, and completes the plan.
+ */
+test("plan artifact loop: plan card, evidence-checked progress, stop-gate nudge", async ({ page }) => {
+  test.setTimeout(600_000);
+  await page.goto("/");
+  await page.getByTestId("sidebar").getByRole("button", { name: "New chat", exact: true }).first().click();
+  const composer = page.getByTestId("composer-input");
+  await expect(composer).toBeEnabled();
+  await composer.fill("plan-flow: build a base plate with a lid resting on it");
+  await page.getByTestId("composer-send").click();
+
+  // The accepted plan renders as the live card with both components pending.
+  const planCard = page.getByTestId("plan-card");
+  await expect(planCard).toBeVisible({ timeout: 600_000 });
+  await expect(page.getByTestId("plan-progress")).toHaveText("0/2 components");
+
+  // Base run passes its gate and update_plan records it done (evidence-checked).
+  await expect(page.getByTestId("plan-progress")).toHaveText("1/2 components", { timeout: 600_000 });
+
+  // The premature stop draws the deterministic plan nudge as a system chip.
+  await expect(page.getByTestId("plan-nudge-chip")).toBeVisible({ timeout: 600_000 });
+
+  // The nudge forces the assembly run; the plan completes and the turn ends.
+  await expect(page.getByTestId("plan-progress")).toHaveText("2/2 components", { timeout: 600_000 });
+  await expect(page.getByText("Assembly complete", { exact: false }).first()).toBeVisible({ timeout: 600_000 });
+
+  // The conversation badge reflects the assembly's passing gate.
+  await expect(page.getByTestId("verify-chip")).toHaveAttribute("data-status", "passed");
+
+  // Expanded card: both components ticked done.
+  await page.getByTestId("plan-card-toggle").click();
+  const components = page.getByTestId("plan-component");
+  await expect(components).toHaveCount(2);
+  await expect(components.nth(0)).toHaveAttribute("data-status", "done");
+  await expect(components.nth(1)).toHaveAttribute("data-status", "done");
+
+  // Replay: the plan card and statuses survive a reload (derived from the transcript).
+  await page.reload();
+  await expect(page.getByTestId("plan-card")).toBeVisible({ timeout: 60_000 });
+  await expect(page.getByTestId("plan-progress")).toHaveText("2/2 components");
+});

packages/client/package.json

@@ -13,6 +13,7 @@
     "@chamfer/shared": "*",
     "@earendil-works/pi-agent-core": "^0.80.3",
     "@earendil-works/pi-ai": "^0.80.3",
+    "@lezer/python": "^1.1.19",
     "@radix-ui/react-dialog": "^1.1.19",
     "@radix-ui/react-label": "^2.1.11",
     "@radix-ui/react-select": "^2.3.3",