Land feature 57's SDK work on its release branch

Providers, the state bus, templates and the environment collection that the
feature's modules build on (feature 57, config and provisioning).

test/retire.test.ts

@@ -8,7 +8,7 @@ import { mkdtemp, writeFile, rm } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 
-import { runProvisioner, provisionerTools, RETIREMENT_EVENT, type Provisioner } from "../dist/provisioner/index.js";
+import { runProviderLoop, providerLoopTools, RETIREMENT_EVENT, type ProviderLoop } from "../dist/provider-loop/index.js";
 import { resetTools, collectTools } from "../dist/tools/index.js";
 
 const EVERY = 10;
@@ -32,7 +32,7 @@ interface World {
   reenabled: string[];
   events: Record<string, unknown>[];
   said: string[];
-  p: Provisioner;
+  p: ProviderLoop;
   done(): void;
 }
 
@@ -62,7 +62,7 @@ async function world(
     ...(opts.retire === false ? {} : { async retire(p: { as: string; why: string }) { w.retired.push({ as: p.as, why: p.why }); } }),
     ...(opts.held ? { async held() { return opts.held!; } } : {}),
   };
-  w.p = runProvisioner("postgres-database", adapter, {
+  w.p = runProviderLoop("postgres-database", adapter, {
     receives, everyMs: EVERY, node: "anchor", stableForMs: opts.stableForMs ?? 0,
     // Only retirement is these tests'; the standing (provisioner.failing, .recovered) is standing.test.ts's.
     announce: (event, body) => { if (event === RETIREMENT_EVENT) w.events.push(body); },
@@ -168,7 +168,7 @@ test("five passes are not enough: the same set must also hold for stableForMs",
 });
 
 test("the default hold is ten minutes", async () => {
-  const { STABLE_FOR_MS } = await import("../dist/provisioner/index.js");
+  const { STABLE_FOR_MS } = await import("../dist/provider-loop/index.js");
   assert.equal(STABLE_FOR_MS, 10 * 60_000);
 });
 
@@ -327,7 +327,7 @@ test("the four tools are registered for the module and answer", async () => {
   const dir = await mkdtemp(join(tmpdir(), "retire-tools-"));
   const receives = join(dir, "r.json");
   await writeFile(receives, JSON.stringify({ requirement: "r", given: [] }));
-  const p = runProvisioner("r", { async create() {}, async remove() {} }, { receives, everyMs: EVERY, module: "postgres" });
+  const p = runProviderLoop("r", { async create() {}, async remove() {} }, { receives, everyMs: EVERY, module: "postgres" });
   try {
     const mine = collectTools({}).find((c) => c.module === "postgres");
     assert.deepEqual(mine?.tools.map((t) => t.name), [
@@ -336,7 +336,7 @@ test("the four tools are registered for the module and answer", async () => {
     const answer = (await mine!.tools[0].run({})) as { resource: string; waiting: unknown };
     assert.equal(answer.resource, "r");
     assert.equal(answer.waiting, null);
-    assert.equal(provisionerTools(p).length, 4);
+    assert.equal(providerLoopTools(p).length, 4);
   } finally {
     p();
     resetTools();