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A node-scoped seat's verb is callable through the console, naming its machine (hq ADR 0169)

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The listing left node-scoped seats out, so <seat>.<verb> never resolved as a
seat's and the call went to a module subject nothing served. Listed now with
their scope: the schema requires the machine, the call carries it in the
subject, and a call without one is refused in words.
This commit is contained in:
jschoubben
2026-10-02 14:23:26 +02:00
parent a3ace58362
commit fb0dcd0cc1
4 changed files with 69 additions and 21 deletions
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test/client.test.ts
+7 -4
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@@ -14,7 +14,7 @@ import { test } from "node:test";
// The built output, not the source: the client imports its siblings as `.js`, which is what ships and
// what every other file here does, and cannot be loaded as TypeScript directly. `pretest` builds.
import { connectNats } from "../dist/broker-nats.js";
import { callTool, toolsOn, whyItFailed } from "../dist/client.js";
import { callTool, seatsIn, toolKey, toolsOn, whyItFailed } from "../dist/client.js";
const url = process.env.MESH_TEST_NATS;
@@ -64,12 +64,15 @@ test("a person sees what the running modules answer, sorted, and who did not ans
const have = await toolsOn(person);
assert.deepEqual(
have.tools.map((x) => `${x.module}.${x.name}`),
["mesh-catalog.catalog_modules", "mesh-controller.status", "shop.price"],
["mesh-catalog.catalog_modules", "mesh-controller.status", "node-dns-resolver.lookup", "shop.price"],
"the list is what the modules answered plus every role's tools, in a stable order",
);
// A role's tool is marked as one; a node-scoped seat's waits for a caller naming the node.
// A role's tool is marked as one; a node-scoped seat's carries its scope, so a caller names
// the machine and the verb resolves as the seat's (design 33 §4, ADR 0169).
assert.ok(have.tools.find((x) => x.module === "mesh-controller")!.seat);
assert.ok(!have.tools.some((x) => x.module === "node-dns-resolver"));
const lookup = have.tools.find((x) => x.module === "node-dns-resolver")!;
assert.ok(lookup.seat && lookup.scope === "node");
assert.equal(toolKey("node-dns-resolver.lookup", seatsIn(have)), "seat:node-dns-resolver.lookup");
// Silence is named, never dropped: a module the catalogue holds and nothing answered for.
assert.deepEqual(have.notAnswering, ["ghost"]);
// And at once: a module that is not running costs nothing, or the list is unusable.