Implement AXIS parity UI and execution baseline

web/app/test_opfs_runtime_s6_05.mjs

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+import assert from "node:assert/strict";
+import { opfsCapability, runOpfsProbe } from "../workspace/opfs-runtime.mjs";
+import { MemoryStorage, WorkspaceJournal } from "../workspace/journal.mjs";
+import { createOfflinePackage, createWorkspacePackage, verifyOfflinePackage } from "../workspace/migration.mjs";
+import { ReplayTimeline, fnv1a64 } from "../worker/replay.mjs";
+
+const contextId = "linuxcnc-2.10.0-pre0-wasm-m1-py-c1";
+const unavailable = opfsCapability({ navigator: { storage: {} } });
+assert.deepEqual(unavailable, { status: "blocked", code: "opfs_unavailable", reason: "storage_get_directory_missing" });
+assert.deepEqual(await runOpfsProbe({ storage: {} }), { schema: "opfs-runtime.v1", status: "blocked", code: "opfs_unavailable", reason: "storage_get_directory_missing", project_id: "s6-05-opfs" });
+
+const storage = new MemoryStorage();
+const journal = new WorkspaceJournal(storage, { projectId: "s6-05-logical" });
+journal.prepare("op-1", [{ path: "config/main.ini", data: "[EMC]\n" }]);
+journal.commit("op-1");
+const recovered = journal.recover();
+assert.equal(recovered.status, "recovered");
+assert.deepEqual(recovered.files, { "config/main.ini": "[EMC]\n" });
+
+const timeline = new ReplayTimeline();
+timeline.appendEvent(1, 0, "SESSION_READY", {});
+timeline.checkpoint(1, 0, { tick: 0 });
+const workspace = createWorkspacePackage({ contextId, timeline, journal: journal.records(), committedSeq: 1 });
+const offline = createOfflinePackage({ workspacePackage: workspace, resources: [{ path: "index.html", data: "offline" }] });
+assert.deepEqual(verifyOfflinePackage(offline, { contextId, workspacePackage: workspace, available: [{ path: "index.html", data: "offline" }] }), { status: "ready", missing: [], corrupted: [], offline: true });
+assert.throws(() => verifyOfflinePackage(offline, { contextId, workspacePackage: workspace, available: [], online: false }), /offline_resource_invalid/);
+
+console.log(JSON.stringify({
+  schema: "opfs-runtime-s6-05-logical-sample.v1",
+  status: "verified",
+  context_id: contextId,
+  opfs_boundary: unavailable,
+  journal_status: recovered.status,
+  journal_state_hash: recovered.state_hash,
+  offline_status: "ready",
+  offline_bundle_hash: offline.bundle_hash,
+  deterministic_hash: fnv1a64({ recovered: recovered.state_hash, offline: offline.bundle_hash }),
+}));