Implement src/ so that the whole test suite in test/ passes: the tests import src/greet.js, src/slug.js and src/wordcount.js. Do not modify any file under test/. Budget: $0. Quality: production.

{
  "tasks": [
    {
      "id": "greet-implement",
      "title": "Implement greet.js",
      "description": "Write src/greet.js exporting a greet(name) function that returns \"Hello, <name>!\" (trimming whitespace) and a shout(text) function that upper‑cases the text and appends \"!\". The implementation must satisfy all tests in test/greet.test.js.",
      "category": "backend",
      "dependencies": [],
      "fileScope": [
        "src/greet.js"
      ],
      "referenceFiles": [
        "test/greet.test.js"
      ],
      "verify": {
        "argv": [
          "node",
          "--test",
          "test/greet.test.js"
        ],
        "label": "greet and shout functions pass all greet.test.js tests"
      },
      "acceptance": [
        "greet returns \"Hello, Ada!\" for input \"Ada\"",
        "greet trims whitespace and throws on empty string",
        "shout upper‑cases and adds an exclamation mark"
      ]
    },
    {
      "id": "slug-implement",
      "title": "Implement slug.js",
      "description": "Write src/slug.js exporting a slugify(input) function that lower‑cases the input, replaces spaces and punctuation with hyphens, collapses consecutive separators, and throws when the result would be empty.",
      "category": "backend",
      "dependencies": [],
      "fileScope": [
        "src/slug.js"
      ],
      "referenceFiles": [
        "test/slug.test.js"
      ],
      "verify": {
        "argv": [
          "node",
          "--test",
          "test/slug.test.js"
        ],
        "label": "slugify function passes all slug.test.js tests"
      },
      "acceptance": [
        "slugify(\"Hello World\") returns \"hello-world\"",
        "slugify(\"  Hello,   World! 2026 \") returns \"hello-world-2026\"",
        "slugify(\"a--b__c\") returns \"a-b-c\"",
        "slugify(\"!!!\") throws an error"
      ]
    },
    {
      "id": "wordcount-implement",
      "title": "Implement wordcount.js",
      "description": "Write src/wordcount.js exporting countWords(text) that returns the number of whitespace‑separated words (0 for empty/whitespace only) and topWords(text, n) that returns an array of the n most frequent lower‑cased words, breaking ties alphabetically.",
      "category": "backend",
      "dependencies": [],
      "fileScope": [
        "src/wordcount.js"
      ],
      "referenceFiles": [
        "test/wordcount.test.js"
      ],
      "verify": {
        "argv": [
          "node",
          "--test",
          "test/wordcount.test.js"
        ],
        "label": "countWords and topWords functions pass all wordcount.test.js tests"
      },
      "acceptance": [
        "countWords(\"one two  three\") returns 3",
        "countWords(\"   \") returns 0",
        "topWords(\"b a B c a b\", 2) returns [['b',3],['a',2]]",
        "topWords(\"x y\",5) returns [['x',1],['y',1]]"
      ]
    }
  ]
}