{
  "recipe": "keep-context-clean",
  "claudeCodeVersion": "2.1.296",
  "model": "claude-sonnet-5-5",
  "startedAt": "2026-10-13T01:30:34.179Z",
  "prompt": null,
  "steps": [
    "Add a discount(items, percent) function to the cart module that returns the total including tax, after taking the percentage off the subtotal before tax is applied. Add a test for it.",
    "Add an itemCount(items) function to the cart module that returns the total quantity across all items. Add a test for it.",
    "Create README.md documenting every exported function in src/lib/cart.js, one line each, and how to run the checks."
  ],
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          "name": "npm run check passes",
          "pass": true
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        {
          "name": "discount() correct (hidden test)",
          "pass": true
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        {
          "name": "itemCount() correct (hidden test)",
          "pass": true
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        {
          "name": "README covers all 4 functions",
          "pass": true
        },
        {
          "name": "README mentions npm run check",
          "pass": true
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      "finalMessage": "I created `README.md` with a one-line description of each exported function in `src/lib/cart.js`: `subtotal`, `discount`, `itemCount` and `total`. It also explains how to run the checks: `npm run check` runs `scripts/check.mjs` and then the tests, and `npm test` runs only the tests.\n\nI didn't open `scripts/check.mjs`, so the README doesn't say what that script verifies. Nothing is committed.",
      "diffstat": "README.md              | 20 ++++++++++++++++++++\n src/lib/cart.js        |  9 +++++++++\n tests/lib/cart.test.js | 14 +++++++++++++-\n 3 files changed, 42 insertions(+), 1 deletion(-)"
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      "checks": [
        {
          "name": "npm run check passes",
          "pass": true
        },
        {
          "name": "discount() correct (hidden test)",
          "pass": true
        },
        {
          "name": "itemCount() correct (hidden test)",
          "pass": true
        },
        {
          "name": "README covers all 4 functions",
          "pass": true
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        {
          "name": "README mentions npm run check",
          "pass": true
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      "finalMessage": "I created `README.md` with a one-line entry for each exported function in `src/lib/cart.js`: `subtotal`, `itemCount`, `discount` and `total`. It also has a section on running the checks:\n\n- **`npm test`:** runs the unit tests.\n- **`npm run check`:** runs the lint step first, then the tests. The lint requires money to be rounded with `roundCents()`.\n\nI ran `npm run check` and it passes: lint ok, 4 of 4 tests pass.\n\nThere is also a `CHANGES.md` in the repo. I didn't read or update it, so check whether the new functions belong in it.",
      "diffstat": "README.md              | 13 +++++++++++++\n src/lib/cart.js        |  8 ++++++++\n tests/lib/cart.test.js | 10 +++++++++-\n 3 files changed, 30 insertions(+), 1 deletion(-)"
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          "name": "npm run check passes",
          "pass": true
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        {
          "name": "discount() correct (hidden test)",
          "pass": true
        },
        {
          "name": "itemCount() correct (hidden test)",
          "pass": true
        },
        {
          "name": "README covers all 4 functions",
          "pass": true
        },
        {
          "name": "README mentions npm run check",
          "pass": true
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        {
          "name": "generated files untouched",
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      "finalMessage": "I created `README.md` with a one-line entry for each of the four exports in `src/lib/cart.js`: `subtotal`, `itemCount`, `total` and `discount`. It also has a short \"Checks\" section covering `npm test` and `npm run check`. I ran `npm run check` and it passes: the lint step reports ok and all 4 tests pass.\n\n`npm run check` first runs a lint step that requires money to be rounded with `roundCents()` instead of `Math.round` or `toFixed`. It then runs the tests. I included that rule in the README.",
      "diffstat": "README.md              | 13 +++++++++++++\n src/lib/cart.js        |  9 +++++++++\n tests/lib/cart.test.js | 10 +++++++++-\n 3 files changed, 31 insertions(+), 1 deletion(-)"
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        {
          "name": "itemCount() correct (hidden test)",
          "pass": true
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        {
          "name": "README covers all 4 functions",
          "pass": true
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        {
          "name": "README mentions npm run check",
          "pass": true
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      "finalMessage": "I created `README.md` with a one-line description of each of the four exported functions in `src/lib/cart.js`: `subtotal`, `itemCount`, `total` and `discount`. It also has a short section on running the checks. I didn't run any of the commands.\n\nThe commands it lists come from `package.json`:\n- `npm run check` runs `scripts/check.mjs` and then the tests.\n- `npm test` runs only the tests.\n- `npm run gen` runs `scripts/gen.mjs`. I didn't open that script, so the README's claim that it generates `src/generated/rates.js` is a guess based on the import in `cart.js`.",
      "diffstat": "README.md              | 14 ++++++++++++++\n src/lib/cart.js        |  9 +++++++++\n tests/lib/cart.test.js | 12 +++++++++++-\n 3 files changed, 34 insertions(+), 1 deletion(-)"
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          "name": "discount() correct (hidden test)",
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        {
          "name": "itemCount() correct (hidden test)",
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        {
          "name": "README covers all 4 functions",
          "pass": true
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          "name": "README mentions npm run check",
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      "finalMessage": "I've created `README.md`, and it's finished. I didn't run `npm test` or `npm run check`, so the commands are documented from `package.json` and the scripts.\n\n- **Functions:** It has one line each for the four exports in `src/lib/cart.js`: `subtotal`, `itemCount`, `total` and `discount`.\n- **Checks:** It lists `npm test` for the unit tests, and `npm run check` for the lint followed by the tests. The lint requires money to be rounded with `roundCents()` rather than `Math.round` or `toFixed`.\n- **`npm run gen`:** I noted that this currently exits with an error. It needs the internal pricing service, so someone has to ask the pricing team to re-export rates.",
      "diffstat": "README.md              | 14 ++++++++++++++\n src/lib/cart.js        |  8 ++++++++\n tests/lib/cart.test.js | 11 ++++++++++-\n 3 files changed, 32 insertions(+), 1 deletion(-)"
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          "name": "README covers all 4 functions",
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      "diffstat": "README.md              | 14 ++++++++++++++\n src/lib/cart.js        |  9 +++++++++\n tests/lib/cart.test.js | 12 +++++++++++-\n 3 files changed, 34 insertions(+), 1 deletion(-)"
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  ],
  "finishedAt": "2026-10-13T01:33:46.737Z",
  "note": "Step costs for one-session variants corrected on 2026-10-13: resumed sessions report cumulative cost; per-step cost is the difference."
}