collectToolsEach: each registration is given its own environment (hq ADR 0192)

A node's runtime serves many modules in one process; a module's composed paths and words must
reach its own tools and no other's. The runtime knows which bundle made which registration, so
it says which environment each contributor gets. collectTools(env) is unchanged. 0.1.3.

test/sdk.test.ts

@@ -5,7 +5,7 @@ import { tmpdir } from "node:os";
 import { join } from "node:path";
 
 import { compareVersions } from "../dist/primitives/index.js";
-import { registerModuleTools, collectTools, resetTools, serveTools, listTools, invokeTool } from "../dist/tools/index.js";
+import { registerModuleTools, collectTools, collectToolsEach, resetTools, serveTools, listTools, invokeTool } from "../dist/tools/index.js";
 import { runProvisioner } from "../dist/provisioner/index.js";
 import { emit, on, type Event } from "../dist/events/index.js";
 import { useBroker } from "../dist/messaging/index.js";
@@ -482,3 +482,18 @@ async function waitFor(cond: () => boolean, ms: number): Promise<void> {
     await new Promise((r) => setTimeout(r, 10));
   }
 }
+
+test("each registration is given the environment asked for it, and sees no other's (ADR 0192)", () => {
+  resetTools();
+  const seen: Record<string, unknown> = {};
+  registerModuleTools("alpha", (env) => { seen.alpha = { ...env }; return [{ name: "a", description: "", input: {}, run: async () => env.ALPHA_FILE }]; });
+  registerModuleTools("beta", (env) => { seen.beta = { ...env }; return [{ name: "b", description: "", input: {}, run: async () => env.BETA_URL }]; });
+  const envs: Record<string, NodeJS.ProcessEnv> = { alpha: { ALPHA_FILE: "/a/config.json" }, beta: { BETA_URL: "http://127.0.0.1:3000" } };
+  const asked: string[] = [];
+  const got = collectToolsEach((module, index) => { asked.push(`${module}#${index}`); return envs[module] ?? {}; });
+  assert.deepEqual(got.map((g) => g.module), ["alpha", "beta"]);
+  assert.deepEqual(asked, ["alpha#0", "beta#1"]);
+  assert.deepEqual(seen.alpha, { ALPHA_FILE: "/a/config.json" });
+  assert.deepEqual(seen.beta, { BETA_URL: "http://127.0.0.1:3000" });
+  resetTools();
+});