Advance M8-M11 parity workflows

web/tests/unit/grease-pencil-reorder.test.mjs

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+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { pathToFileURL } from "node:url";
+import test from "node:test";
+import ts from "typescript";
+
+const repoRoot = path.resolve(import.meta.dirname, "../../..");
+const sourcePath = path.join(repoRoot, "web/protocol/grease-pencil-reorder.ts");
+const temporary = fs.mkdtempSync(path.join(os.tmpdir(), "grease-pencil-reorder-unit-"));
+const transpiled = ts.transpileModule(fs.readFileSync(sourcePath, "utf8"), {
+  compilerOptions: { module: ts.ModuleKind.ES2022, target: ts.ScriptTarget.ES2022 },
+  fileName: sourcePath,
+  reportDiagnostics: true,
+});
+assert.deepEqual(transpiled.diagnostics, []);
+const modulePath = path.join(temporary, "grease-pencil-reorder.mjs");
+fs.writeFileSync(modulePath, transpiled.outputText);
+const reorder = await import(pathToFileURL(modulePath));
+
+const dataId = "grease-pencil:Data";
+const linesId = "grease-pencil-layer:Data:Lines";
+const draftsId = "grease-pencil-layer:Data:Web Drafts";
+const drawingId = "grease-pencil-drawing:Data:4";
+const drawing = { id: drawingId, strokeCount: 0, pointCount: 0, strokes: [] };
+const data = [{
+  id: dataId,
+  name: "Data",
+  geometryStatus: "available",
+  layerCount: 2,
+  frameCount: 2,
+  strokeCount: 0,
+  pointCount: 0,
+  layers: [
+    { id: linesId, name: "Lines", visible: true, locked: false, opacity: 1, frames: [{ frame: 1, drawing: { ...drawing, id: "grease-pencil-drawing:Data:0" } }] },
+    { id: draftsId, name: "Web Drafts", visible: true, locked: false, opacity: 1, frames: [{ frame: 1, drawing }] },
+  ],
+}];
+
+test("M9-08 binds layer and frame reorder commands to stable IDs and Main revision", () => {
+  const layer = reorder.validateGreasePencilReorderCommand({
+    type: "moveGreasePencilLayer",
+    schemaVersion: 1,
+    dataId,
+    layerId: draftsId,
+    direction: "DOWN",
+    baseRevision: 27,
+  }, 27, data);
+  assert.deepEqual(layer, {
+    type: "moveGreasePencilLayer",
+    schemaVersion: 1,
+    dataId,
+    layerId: draftsId,
+    direction: "DOWN",
+    baseRevision: 27,
+  });
+
+  const frame = reorder.validateGreasePencilReorderCommand({
+    type: "moveGreasePencilFrame",
+    schemaVersion: 1,
+    dataId,
+    layerId: draftsId,
+    frame: 1,
+    targetFrame: 12,
+    drawingId,
+    baseRevision: 27,
+  }, 27, data);
+  assert.equal(frame.drawingId, drawingId);
+  assert.equal(frame.targetFrame, 12);
+});
+
+test("M9-08 rejects stale, no-op, forged drawing and occupied-target reorders", () => {
+  const layerCommand = { type: "moveGreasePencilLayer", schemaVersion: 1, dataId, layerId: draftsId, direction: "DOWN", baseRevision: 27 };
+  assert.throws(() => reorder.validateGreasePencilReorderCommand(layerCommand, 28, data), (error) => error.code === "REVISION_CONFLICT");
+  assert.throws(() => reorder.validateGreasePencilReorderCommand({ ...layerCommand, layerId: linesId }, 27, data), (error) => error.code === "GREASE_PENCIL_SCHEMA_INVALID");
+
+  const frameCommand = { type: "moveGreasePencilFrame", schemaVersion: 1, dataId, layerId: draftsId, frame: 1, targetFrame: 12, drawingId, baseRevision: 27 };
+  assert.throws(() => reorder.validateGreasePencilReorderCommand({ ...frameCommand, drawingId: "grease-pencil-drawing:Data:5" }, 27, data), (error) => error.code === "GREASE_PENCIL_SCHEMA_INVALID");
+  assert.throws(() => reorder.validateGreasePencilReorderCommand({ ...frameCommand, targetFrame: 1 }, 27, data), (error) => error.code === "GREASE_PENCIL_SCHEMA_INVALID");
+  const occupied = [{ ...data[0], layers: data[0].layers.map((layer) => layer.id === draftsId ? { ...layer, frames: [...layer.frames, { frame: 12, drawing: { ...drawing, id: "grease-pencil-drawing:Data:5" } }] } : layer) }];
+  assert.throws(() => reorder.validateGreasePencilReorderCommand(frameCommand, 27, occupied), (error) => error.code === "GREASE_PENCIL_SCHEMA_INVALID");
+});