{
  "id": "liangshen-v41-flash-seed",
  "version": 1,
  "description": "Seed task corpus for the LiangShen V4.1 Flash comparison. Covers code repair, first-turn specialized tools, multi-turn edits, failure recovery, and workspace-instruction compliance. Extend to 20-30 tasks before the main run.",
  "tasks": [
    {
      "id": "repair-mean",
      "category": "code-repair",
      "files": {
        "stats.mjs": "export function mean(values) {\n  let total = 0\n  for (const value of values) total += value\n  return total / (values.length + 1)\n}\n"
      },
      "turns": [
        "Fix stats.mjs so mean([1, 2, 3]) returns exactly 2 and mean([2, 4]) returns exactly 3. Keep the exported name. Verify the result, then reply DONE and stop."
      ],
      "check": "const m = await import('./stats.mjs'); if (m.mean([1, 2, 3]) !== 2) throw new Error('mean([1,2,3]) = ' + m.mean([1, 2, 3])); if (m.mean([2, 4]) !== 3) throw new Error('mean([2,4]) = ' + m.mean([2, 4]))"
    },
    {
      "id": "repair-negative-number",
      "category": "code-repair",
      "files": {
        "parse.mjs": "export function toNumber(text) {\n  return Number(String(text).replace('-', ''))\n}\n"
      },
      "turns": [
        "Fix parse.mjs so toNumber('-12') returns -12 and toNumber('7') returns 7. Keep the exported name. Verify the result, then reply DONE and stop."
      ],
      "check": "const m = await import('./parse.mjs'); if (m.toNumber('-12') !== -12) throw new Error('negative = ' + m.toNumber('-12')); if (m.toNumber('7') !== 7) throw new Error('positive = ' + m.toNumber('7'))"
    },
    {
      "id": "repair-default-value",
      "category": "code-repair",
      "files": {
        "config.mjs": "export function resolvePort(options) {\n  return options.port | 8080\n}\n"
      },
      "turns": [
        "Fix config.mjs so resolvePort({}) returns 8080 and resolvePort({ port: 0 }) returns 0. Keep the exported name. Verify the result, then reply DONE and stop."
      ],
      "check": "const m = await import('./config.mjs'); if (m.resolvePort({}) !== 8080) throw new Error('default = ' + m.resolvePort({})); if (m.resolvePort({ port: 0 }) !== 0) throw new Error('zero = ' + m.resolvePort({ port: 0 }))"
    },
    {
      "id": "first-turn-edit",
      "category": "first-turn-specialized",
      "files": {
        "version.mjs": "export const VERSION = '1.0.0'\n"
      },
      "turns": [
        "Change the VERSION constant in version.mjs to 2.0.0. Do not change the exported name. Verify the file content, then reply DONE and stop."
      ],
      "check": "const m = await import('./version.mjs'); if (m.VERSION !== '2.0.0') throw new Error('VERSION = ' + m.VERSION)"
    },
    {
      "id": "first-turn-create-file",
      "category": "first-turn-specialized",
      "turns": [
        "Create a file named greeting.txt in the current directory whose only content is hello, then reply DONE and stop."
      ],
      "check": "const fs = await import('node:fs'); if (!fs.existsSync('greeting.txt')) throw new Error('greeting.txt missing'); const text = fs.readFileSync('greeting.txt', 'utf8').trim(); if (text !== 'hello') throw new Error('content = ' + JSON.stringify(text))"
    },
    {
      "id": "multiturn-cube-and-test",
      "category": "multi-turn-edits",
      "files": {
        "math.mjs": "export function square(value) {\n  return value * value\n}\n"
      },
      "turns": [
        "Add an exported function cube(value) to math.mjs, next to square.",
        "Create check.mjs that imports cube from math.mjs and throws when cube(3) is not 27.",
        "Run check.mjs and reply DONE and stop."
      ],
      "check": "const m = await import('./math.mjs'); if (m.cube(3) !== 27) throw new Error('cube(3) = ' + m.cube(3)); const fs = await import('node:fs'); if (!fs.existsSync('check.mjs')) throw new Error('check.mjs missing')"
    },
    {
      "id": "multiturn-rename-export",
      "category": "multi-turn-edits",
      "files": {
        "util.mjs": "export function oldName() {\n  return 1\n}\n",
        "main.mjs": "import { oldName } from './util.mjs'\n\nexport const value = oldName()\n"
      },
      "turns": [
        "Rename the exported function oldName in util.mjs to currentName.",
        "Update main.mjs so it keeps exporting value === 1 through the new name, then reply DONE and stop."
      ],
      "check": "const main = await import('./main.mjs'); if (main.value !== 1) throw new Error('value = ' + main.value); const util = await import('./util.mjs'); if (typeof util.currentName !== 'function') throw new Error('currentName missing'); if (util.oldName !== undefined) throw new Error('oldName still exported')"
    },
    {
      "id": "recovery-failing-check",
      "category": "failure-recovery",
      "files": {
        "sum.mjs": "export function sum(values) {\n  return values.reduce((total, value) => total + value, 1)\n}\n",
        "check.mjs": "import { sum } from './sum.mjs'\n\nif (sum([1, 2, 3]) !== 6) {\n  throw new Error('sum([1, 2, 3]) should be 6 but is ' + sum([1, 2, 3]))\n}\n\nconsole.log('check passed')\n"
      },
      "turns": [
        "Run the existing check.mjs, read the failure it reports, fix the bug in sum.mjs, and rerun check.mjs until it passes. Then reply DONE and stop."
      ],
      "check": "const m = await import('./sum.mjs'); if (m.sum([1, 2, 3]) !== 6) throw new Error('sum([1,2,3]) = ' + m.sum([1, 2, 3])); if (m.sum([]) !== 0) throw new Error('sum([]) = ' + m.sum([]))"
    },
    {
      "id": "recovery-missing-directory",
      "category": "failure-recovery",
      "turns": [
        "Write a file at src/nested/deep.txt whose only content is ok. If that path does not exist yet, make it exist. Then reply DONE and stop."
      ],
      "check": "const fs = await import('node:fs'); if (!fs.existsSync('src/nested/deep.txt')) throw new Error('deep.txt missing'); const text = fs.readFileSync('src/nested/deep.txt', 'utf8').trim(); if (text !== 'ok') throw new Error('content = ' + JSON.stringify(text))"
    },
    {
      "id": "instruction-generated-header",
      "category": "workspace-instruction-compliance",
      "files": {
        "AGENTS.md": "# Workspace rules\n\nEvery generated source file must start with the comment line `// generated`.\n"
      },
      "turns": [
        "Create a file named report.mjs that exports const ready = true. Follow the workspace rules in AGENTS.md. Then reply DONE and stop."
      ],
      "check": "const fs = await import('node:fs'); if (!fs.existsSync('report.mjs')) throw new Error('report.mjs missing'); const first = fs.readFileSync('report.mjs', 'utf8').split(/\\r?\\n/)[0].trim(); if (first !== '// generated') throw new Error('first line = ' + JSON.stringify(first)); const m = await import('./report.mjs'); if (m.ready !== true) throw new Error('ready = ' + m.ready)"
    },
    {
      "id": "instruction-forbidden-extension",
      "category": "workspace-instruction-compliance",
      "files": {
        "AGENTS.md": "# Workspace rules\n\nNever create a file named config.js. Name configuration modules config.mjs instead.\n"
      },
      "turns": [
        "Create the configuration module described by the workspace rules, exporting const port = 3000. Follow AGENTS.md. Then reply DONE and stop."
      ],
      "check": "const fs = await import('node:fs'); if (fs.existsSync('config.js')) throw new Error('config.js must not exist'); if (!fs.existsSync('config.mjs')) throw new Error('config.mjs missing'); const m = await import('./config.mjs'); if (m.port !== 3000) throw new Error('port = ' + m.port)"
    }
  ]
}