diff --git a/web/test/route-surface.test.mjs b/web/test/route-surface.test.mjs
index 5ec5b12..380e4f1 100644
--- a/web/test/route-surface.test.mjs
+++ b/web/test/route-surface.test.mjs
@@ -967,6 +967,8 @@ function steppedDeps(opts = {}) {
     guidanceChanges: 0,
     sourceCalls: [],
     followModes: [],
+    fetches: [],
+    fetchMode: "ok", // "ok" | "404" — the idempotent-delete tolerance flip
   };
   // every source.route call is recorded (the exactly-one-request gates)
   const baseRoute = deps.source.route.bind(deps.source);
@@ -995,6 +997,18 @@ function steppedDeps(opts = {}) {
   };
   deps.nowMs = () => guide.now;
   deps.findGantry = (banner) => findByClass(banner, "guide-gantry");
+  // the envelope endpoint + an injectable recording fetch (the stubFetch of
+  // the plan's acceptance) — every envelope call lands in guide.fetches
+  deps.endpoint = "/api/guidance";
+  deps.bearer = () => "test-token";
+  deps.fetchImpl = async (url, init = {}) => {
+    guide.fetches.push({ url, init });
+    if (String(init.method) === "DELETE" && guide.fetchMode === "404") {
+      return { ok: false, status: 404, json: async () => ({ error: "not_found" }) };
+    }
+    if (String(init.method) === "DELETE") return { ok: true, status: 200, json: async () => ({}) };
+    return { ok: true, status: 201, json: async () => ({ id: "0c0ffee0-0000-4000-8000-000000000000" }) };
+  };
   deps.onGuidanceChange = () => {
     guide.guidanceChanges += 1;
   };
@@ -1308,3 +1322,158 @@ test("G8 arrival — the machine's arrival effect runs the same teardown", async
     assert.equal(controller.guidancePhase, "ended", "the ended phase exposes to the BackButton graph");
   });
 });
+
+/* ============================================================
+ * 06-06 task 3 — the envelope flows + the composed ladder (G9..G12)
+ * ============================================================
+ *   G9  minimize POST — the frozen six-field snapshot (id/chat_id/
+ *       created_at are SERVER-minted), keepalive:true, the Bearer header;
+ *       a live envelope is never double-minted
+ *   G10 DELETE on activated (the cron pauses) AND at teardown, both with
+ *       the stored id (the second is the idempotent one)
+ *   G11 ?g= resume — RESUMING chrome with projected numbers, the watch
+ *       armed, the line drawn; the first fix flips live ON_ROUTE
+ *   G12 main.ts composition — the engine-a→fixture ladder, the ?g=
+ *       UUID-validated carrier, the activated/deactivated wiring, the
+ *       guidance-aware camera (structural, the code-constructed law)
+ */
+
+function stubFetch(log) {
+  return (url, init) => {
+    log.push({ url, init });
+    if (init.method === "POST") {
+      return Promise.resolve({ ok: true, json: () => Promise.resolve({ id: "env-1" }) });
+    }
+    return Promise.resolve({ ok: true, json: () => Promise.resolve({}) });
+  };
+}
+
+test("G9 minimize POST — the frozen six-field snapshot, keepalive, bearer; never double-minted", async () => {
+  await withDocumentAsync(async () => {
+    const calls = [];
+    const deps = steppedDeps();
+    deps.fetchImpl = stubFetch(calls);
+    deps.bearer = () => "tok-1";
+    const controller = createRouteController(deps);
+    await driveTo(deps, controller);
+    await withConsole(async () => {
+      await controller.onDeactivated();
+      return null;
+    });
+    const posts = calls.filter((c) => c.init.method === "POST");
+    assert.equal(posts.length, 1, "exactly one envelope POST");
+    const call = posts[0];
+    assert.equal(call.url, "/api/guidance");
+    assert.equal(call.init.keepalive, true, "the minimize race is belt-and-braces (keepalive)");
+    assert.equal(call.init.headers.authorization, "Bearer tok-1", "the memory-held token rides the header");
+    const body = JSON.parse(call.init.body);
+    assert.deepEqual(
+      Object.keys(body).sort(),
+      ["destinationId", "destinationName", "distanceM", "durationS", "geometry", "startedAtSec"],
+      "EXACTLY the frozen six fields — id/chat_id/created_at are server-minted",
+    );
+    assert.equal(body.destinationId, DEST.id);
+    assert.equal(body.destinationName, DEST.name);
+    assert.equal(body.distanceM, 2000, "the selected route's summary distance");
+    assert.equal(body.durationS, 240);
+    assert.ok(Number.isInteger(body.startedAtSec) && body.startedAtSec > 0, "the trip-start anchor");
+    const { decodePolyline6 } = await import("@araharah/routing/src/index.ts");
+    assert.deepEqual(decodePolyline6(body.geometry), CORRIDOR_POINTS, "the geometry re-encodes the live model");
+    // a second minimize while the envelope is live does not double-mint
+    await controller.onDeactivated();
+    assert.equal(posts.length, 1, "the live envelope is not double-minted");
+  });
+});
+
+test("G10 DELETE on activated AND at teardown — both with the stored id (the second is idempotent)", async () => {
+  await withDocumentAsync(async () => {
+    const calls = [];
+    const deps = steppedDeps();
+    deps.fetchImpl = stubFetch(calls);
+    deps.bearer = () => "tok-1";
+    const controller = createRouteController(deps);
+    await driveTo(deps, controller);
+    await controller.onDeactivated(); // POST → id env-1 stored
+    await controller.onActivated(); // DELETE — the cron pauses (structural)
+    const deletes = calls.filter((c) => c.init.method === "DELETE");
+    assert.equal(deletes.length, 1, "activated deletes the envelope");
+    assert.equal(deletes[0].url, "/api/guidance?id=env-1");
+    // trip end deletes AGAIN with the same id — the server 404s it, tolerated
+    findByClass(deps.__recorded.shown.at(-1).card, "btn-secondary").click(); // END TRIP
+    await withConsole(async () => {
+      findByClass(deps.__recorded.shown.at(-1).card, "btn-primary").click(); // YES, ABANDON
+      return null;
+    });
+    await drain();
+    const deletesAfter = calls.filter((c) => c.init.method === "DELETE");
+    assert.equal(deletesAfter.length, 2, "teardown deletes the envelope (the D-14 active sweep)");
+    assert.equal(deletesAfter[1].url, "/api/guidance?id=env-1", "the SAME stored id — idempotent");
+    // a second teardown would not delete a third time (the id is consumed)
+    await controller.onDeactivated(); // no live trip → no mint
+    assert.equal(calls.filter((c) => c.init.method === "POST").length, 1, "no envelope without a live trip");
+  });
+});
+
+test("G11 ?g= resume — RESUMING chrome with projected numbers; the first fix flips live ON_ROUTE", async () => {
+  await withDocumentAsync(async () => {
+    const deps = steppedDeps();
+    const controller = createRouteController(deps);
+    const model = {
+      points: CORRIDOR_POINTS,
+      cumulative: CORRIDOR_CUMULATIVE,
+      steps: [],
+      destinationId: DEST.id,
+      destinationName: DEST.name,
+    };
+    const resumed = await withConsole(async () => {
+      controller.resume({ model, durationS: 240, projectedRemainingM: 1400, startedAtSec: 900, envelopeId: "env-9" });
+      return null;
+    });
+    assert.equal(controller.state, "route", "the resumed trip holds the route state");
+    assert.equal(controller.guidancePhase, "driving", "RESUMING is a driving phase — the confirm owns the exit");
+    assert.equal(deps.__guide.shellRoot.dataset.guidance, "active", "the strip compacts for the resumed trip");
+    assert.equal(guideRegister(deps), "GUIDE // RESUMING", "the projected register");
+    assert.ok(findByClass(guideBanner(deps), "guide-gantry") !== null, "the gantry rides the wait state");
+    assert.equal(guideDistance(deps), "1.4", "the projected remaining distance renders (RESUMING legally shows numbers)");
+    assert.equal(deps.__guide.watchStarted, 1, "the watch arms for the resumed trip");
+    const routeSwap = deps.__map.recorded.setData.find((s) => s.id === "route");
+    assert.equal(routeSwap.data.features[0].geometry.coordinates.length, 3, "the resumed line draws");
+    assert.ok(resumed.lines.some((l) => l.includes("ARAHARAH-GUIDE state=resuming")), "state=resuming logged");
+    // the first accepted fix flips to live ON_ROUTE (the machine's own path)
+    const live = await withConsole(async () => {
+      feed(600, { deps });
+      return null;
+    });
+    assert.equal(guideRegister(deps), "GUIDE // NEXT", "live ON_ROUTE after the first fix");
+    assert.equal(findByClass(guideBanner(deps), "guide-gantry"), null, "the gantry stopped on the live flip");
+    assert.ok(live.lines.some((l) => l.includes("ARAHARAH-GUIDE state=on_route")), "state=on_route logged");
+    // the resumed trip's envelope deletes at teardown (the ?g= id)
+    findByClass(deps.__recorded.shown.at(-1).card, "btn-secondary").click(); // END TRIP
+    await withConsole(async () => {
+      findByClass(deps.__recorded.shown.at(-1).card, "btn-primary").click(); // YES, ABANDON
+      return null;
+    });
+    assert.equal(controller.guidancePhase, "ended", "the resumed trip ends through the same confirm");
+  });
+});
+
+test("G12 main.ts composition — the ladder, the ?g= carrier, the envelope events, the guidance-aware camera", () => {
+  const mainCode = codeText(path.join(SRC, "main.ts"));
+  assert.ok(mainCode.includes("createHttpRoutingSource"), "backend #2 is code-constructed in main.ts");
+  assert.ok(/\?\? \(await /.test(mainCode), "the composed ladder: engine-a first, fixture fallback");
+  assert.ok(!mainCode.includes("process.env"), "no env reads — the backend selection is code-constructed (T-05-04)");
+  assert.ok(/get\("g"\)/.test(mainCode), "the ?g= carrier is read from the URL (the destination-preload pattern)");
+  assert.ok(
+    /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/.test(mainCode),
+    "the resume id is UUID-validated before any GET",
+  );
+  assert.ok(
+    /onEvent\("deactivated"/.test(mainCode) && /onEvent\("activated"/.test(mainCode),
+    "the envelope lifecycle rides Telegram's activated/deactivated events (T-06-06 guards)",
+  );
+  assert.ok(/\.onDeactivated\(\)/.test(mainCode) && /\.onActivated\(\)/.test(mainCode), "the controller's envelope flows are wired");
+  assert.ok(/guidancePhase === "driving"/.test(mainCode), "the chain's fix does not fight the guidance camera");
+  assert.ok(/GUIDANCE_CAMERA_PADDING/.test(mainCode), "recenter re-locks at the guidance pose");
+  assert.ok(/resumeId === null/.test(mainCode), "a resume boot never double-consults");
+  assert.ok(/kind: "callback"/.test(mainCode) || /kind: "hidden"/.test(mainCode), "the BackButton resolver walks the full graph");
+});