feat(coding-agent): merge origin/main into model runtime facade

packages/coding-agent/test/models-store.test.ts

@@ -0,0 +1,50 @@
+import { existsSync, mkdirSync, rmSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import type { Model } from "@earendil-works/pi-ai";
+import { afterEach, describe, expect, it } from "vitest";
+import { FileModelsStore } from "../src/core/models-store.ts";
+
+const tempDirs: string[] = [];
+
+afterEach(() => {
+	for (const path of tempDirs.splice(0)) {
+		if (existsSync(path)) rmSync(path, { recursive: true });
+	}
+});
+
+function model(provider: string, id: string): Model<"openai-completions"> {
+	return {
+		id,
+		name: id,
+		api: "openai-completions",
+		provider,
+		baseUrl: "https://example.test/v1",
+		reasoning: false,
+		input: ["text"],
+		cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
+		contextWindow: 1000,
+		maxTokens: 100,
+	};
+}
+
+describe("FileModelsStore", () => {
+	it("persists provider catalogs without replacing unrelated providers", async () => {
+		const dir = join(tmpdir(), `pi-models-store-${Date.now()}-${Math.random().toString(36).slice(2)}`);
+		tempDirs.push(dir);
+		mkdirSync(dir, { recursive: true });
+		const path = join(dir, "models-store.json");
+		const store = new FileModelsStore(path);
+
+		await store.write("one", [model("one", "m1")]);
+		await store.write("two", [model("two", "m2")]);
+
+		const reloaded = new FileModelsStore(path);
+		expect((await reloaded.read("one"))?.map((entry) => entry.id)).toEqual(["m1"]);
+		expect((await reloaded.read("two"))?.map((entry) => entry.id)).toEqual(["m2"]);
+
+		await reloaded.delete("one");
+		expect(await reloaded.read("one")).toBeUndefined();
+		expect((await reloaded.read("two"))?.map((entry) => entry.id)).toEqual(["m2"]);
+	});
+});