generate-models: use reasoning options from models.dev (#6928)

* generate-models: use reasoning options from models.dev

* fix tests

scripts/generate-thinking-capabilities.mjs

@@ -0,0 +1,30 @@
+#!/usr/bin/env node
+
+import { mkdirSync, readFileSync, writeFileSync } from "node:fs";
+import { join } from "node:path";
+import { getSupportedThinkingLevels } from "../packages/ai/src/models.ts";
+
+const [catalogPath, outputDir] = process.argv.slice(2);
+if (!catalogPath || !outputDir) {
+	throw new Error("Usage: node scripts/generate-thinking-capabilities.mjs <catalog-path> <output-dir>");
+}
+
+const catalog = JSON.parse(readFileSync(catalogPath, "utf8"));
+const providersDir = join(outputDir, "providers");
+mkdirSync(providersDir, { recursive: true });
+
+for (const [provider, models] of Object.entries(catalog)) {
+	const capabilities = Object.fromEntries(
+		Object.entries(models).map(([id, model]) => {
+			const levels = getSupportedThinkingLevels(model);
+			const values = Object.fromEntries(
+				levels.flatMap((level) => {
+					const value = model.thinkingLevelMap?.[level];
+					return value !== undefined && value !== level ? [[level, value]] : [];
+				}),
+			);
+			return [id, Object.keys(values).length > 0 ? { levels, values } : { levels }];
+		}),
+	);
+	writeFileSync(join(providersDir, `${provider}.json`), JSON.stringify(capabilities));
+}