fix(quick-pane): restore model catalog controls

ui/src/model-catalog.ts

@@ -0,0 +1,56 @@
+import { invoke } from "@tauri-apps/api/core";
+import type { Model } from "./workspace/types";
+
+export type ModelIdentity = { provider: string; modelId: string };
+
+export function modelIdentity(model: Model): ModelIdentity | undefined {
+	if (!model.provider || !model.id) return undefined;
+	return { provider: model.provider, modelId: model.id };
+}
+
+export function modelIdentityValue(identity: ModelIdentity) {
+	return JSON.stringify([identity.provider, identity.modelId]);
+}
+
+export function modelIdentityFromValue(
+	value: string,
+): ModelIdentity | undefined {
+	try {
+		const parsed: unknown = JSON.parse(value);
+		if (
+			!Array.isArray(parsed) ||
+			parsed.length !== 2 ||
+			!parsed.every((part) => typeof part === "string")
+		)
+			return undefined;
+		return { provider: parsed[0], modelId: parsed[1] };
+	} catch {
+		return undefined;
+	}
+}
+
+export function catalogModels(
+	models: Model[],
+	configured: ModelIdentity[],
+): Model[] {
+	const available = models.filter((model) => model.provider && model.id);
+	const keys = new Set(
+		available
+			.map(modelIdentity)
+			.filter((identity): identity is ModelIdentity => !!identity)
+			.map(modelIdentityValue),
+	);
+	for (const identity of configured) {
+		if (!identity.provider || !identity.modelId) continue;
+		const key = modelIdentityValue(identity);
+		if (keys.has(key)) continue;
+		available.unshift({ provider: identity.provider, id: identity.modelId });
+		keys.add(key);
+	}
+	return available;
+}
+
+export async function getModelCatalog() {
+	const catalog = await invoke<{ models?: Model[] }>("get_model_catalog");
+	return catalog?.models ?? [];
+}