it("warns on unknown keys and invalid numbers", () => {

const session = { key: "a", usage: { totalTokens: 10, totalCost: 0 } };

const res = filterSessionsByQuery([session], "wat:1 minTokens:wat");

expect(res.warnings).toEqual([

expect.stringContaining("Unknown filter"),

expect.stringContaining("Invalid number"),

]);

expect(res.warnings).toEqual(["Unknown filter: wat", "Invalid number for minTokens"]);

});

it("parses tool summaries from compact session logs", () => {