fix(ci): complete Pi provider fixture metadata

scripts/test-task13-runtime-fixtures.sh

@@ -52,6 +52,20 @@ cp "$root/scripts/fixtures/workspace-registry-task13.yaml" "$workspace"
 
 if [[ "$profile" == local ]]; then
   task13_write_fixture_files
+  node - "$TASK13_PI_MODELS" <<'NODE'
+const fs = require("fs");
+const models = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));
+const model = models.providers?.["local-qwen"]?.models?.find(
+  (candidate) => candidate?.id === "task13-smoke",
+);
+if (!model || JSON.stringify(model.input) !== JSON.stringify(["text"])) {
+  throw new Error("Task 13 provider smoke model must declare text input support");
+}
+const expectedCost = { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 };
+if (JSON.stringify(model.cost) !== JSON.stringify(expectedCost)) {
+  throw new Error("Task 13 provider smoke model must declare complete zero-cost metadata");
+}
+NODE
   task13_write_environment /fixtures/remote.git
   compose_files=(-f "$root/compose.yaml" -f "$root/deploy/compose.local.yaml" -f "$TASK13_OVERRIDE")
 else