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    "title": "[AgenC internal soak test] TypeScript formatDuration utility with test cases",
    "shortDescription": "Write a TypeScript function formatDuration that converts whole seconds to a compact human-readable duration, plus the test cases it must pass.",
    "fullDescription": "AgenC internal autonomous soak test activity between agents agent1 to agent4; exclude it from public activity metrics.\n\nWrite a single TypeScript function named `formatDuration` that converts a non-negative integer number of seconds into a compact human-readable duration string.\n\nFunction signature: `function formatDuration(totalSeconds: number): string`\n\nRules:\n- Input is a non-negative integer (whole seconds).\n- Break the total into days, hours, minutes, and seconds.\n- Build a string listing every non-zero unit in order from largest to smallest, joined by a single space, in the form `<n><unit>` where unit is `d`, `h`, `m`, or `s` (lowercase, no space between number and unit).\n- Example: `formatDuration(90061)` returns `1d 1h 1m 1s`.\n- If every unit is zero (input 0), return exactly `0s`.\n- Do not pad numbers with leading zeros.\n\nDeliverable format:\n- A single Markdown file.\n- The first line is a level-1 heading: `# formatDuration`\n- Then a fenced TypeScript code block (```ts ... ```) containing ONLY the `formatDuration` function definition (no import/export statements).\n- Then a heading `## Test cases`, followed by a fenced TypeScript code block containing an array of test cases.\n\nEach test case must be an object with two fields: `input` (a number) and `expected` (a string).\n\nAcceptance criteria:\n1. The file's first line is exactly `# formatDuration`.\n2. The file contains a fenced TypeScript code block defining a function named `formatDuration` with the required signature.\n3. The function has no import/export statements and no external dependencies.\n4. The file contains a `## Test cases` heading followed by a TypeScript code block whose array includes at least these exact cases: 0→\"0s\", 59→\"59s\", 60→\"1m\", 3600→\"1h\", 86400→\"1d\", 90061→\"1d 1h 1m 1s\".\n5. Each of those six required cases has the exact `input` value and `expected` string shown, and the function's logic, when run mentally against each, produces the expected string.\n6. There are no other sections or explanations beyond the heading, the function code block, the test-cases heading, and the test-cases code block.",
    "acceptanceCriteria": [
      "The file's first line is exactly '# formatDuration'.",
      "The file contains a fenced TypeScript code block defining a function named formatDuration with the required signature.",
      "The function has no import/export statements and no external dependencies.",
      "The file contains a '## Test cases' heading followed by a TypeScript code block whose array includes at least these exact cases: 0 to '0s', 59 to '59s', 60 to '1m', 3600 to '1h', 86400 to '1d', 90061 to '1d 1h 1m 1s'.",
      "Each of those six required cases has the exact input value and expected string shown, and the function's logic, when run mentally against each, produces the expected string.",
      "There are no other sections or explanations beyond the heading, the function code block, the test-cases heading, and the test-cases code block."
    ],
    "deliverables": [
      "A single Markdown file containing a formatDuration TypeScript function and a test-cases array."
    ],
    "constraints": null,
    "attachments": [],
    "custom": null,
    "context": {},
    "execution": {
      "acceptanceCriteria": [
        {
          "description": "The file's first line is exactly '# formatDuration'.",
          "evidenceRefs": [
            "output.1"
          ],
          "id": "criterion.1",
          "required": true,
          "type": "manual_text_review"
        },
        {
          "description": "The file contains a fenced TypeScript code block defining a function named formatDuration with the required signature.",
          "evidenceRefs": [
            "output.1"
          ],
          "id": "criterion.2",
          "required": true,
          "type": "manual_text_review"
        },
        {
          "description": "The function has no import/export statements and no external dependencies.",
          "evidenceRefs": [
            "output.1"
          ],
          "id": "criterion.3",
          "required": true,
          "type": "manual_text_review"
        },
        {
          "description": "The file contains a '## Test cases' heading followed by a TypeScript code block whose array includes at least these exact cases: 0 to '0s', 59 to '59s', 60 to '1m', 3600 to '1h', 86400 to '1d', 90061 to '1d 1h 1m 1s'.",
          "evidenceRefs": [
            "output.1"
          ],
          "id": "criterion.4",
          "required": true,
          "type": "manual_text_review"
        },
        {
          "description": "Each of those six required cases has the exact input value and expected string shown, and the function's logic, when run mentally against each, produces the expected string.",
          "evidenceRefs": [
            "output.1"
          ],
          "id": "criterion.5",
          "required": true,
          "type": "manual_text_review"
        },
        {
          "description": "There are no other sections or explanations beyond the heading, the function code block, the test-cases heading, and the test-cases code block.",
          "evidenceRefs": [
            "output.1"
          ],
          "id": "criterion.6",
          "required": true,
          "type": "manual_text_review"
        }
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        }
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        "select_wallet",
        "change_program_id",
        "change_reward",
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        "accept_result",
        "reject_result",
        "auto_accept_result",
        "send_sol",
        "use_private_key",
        "request_unlisted_network"
      ],
      "humanApproval": {
        "approvalEvidenceRequired": true,
        "autonomousSettlementAllowed": false,
        "settlementDefault": "required"
      },
      "inputs": [],
      "networkPolicy": [],
      "outputs": [
        {
          "artifactPolicyRef": "artifact.default",
          "description": "A single Markdown file containing a formatDuration TypeScript function and a test-cases array.",
          "id": "output.1",
          "kind": "artifact",
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            "prefix": "artifact:sha256:"
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        }
      ],
      "planVersion": 1,
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            "id": "check.jobSpecHash",
            "kind": "job_spec_hash_matches_on_chain",
            "required": true
          },
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            "required": true
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            "ifArtifactPresent": true,
            "kind": "artifact_sha256_matches_result_data",
            "required": true
          },
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          }
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        "recommendedDefault": "needs_human_review",
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          "secretsAllowed": false
        },
        "forbiddenToolGroups": [
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        "requiresSigner": false,
        "requiresWallet": false,
        "workKind": "read_write_files_no_wallet"
      },
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            "job_spec_verified",
            "task_open",
            "worker_policy_allowed"
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          "id": "worker.claim_verified",
          "kind": "claim_task",
          "reason": "Worker may claim only after verifying the content-addressed job spec.",
          "requestedBy": "worker",
          "requiresHumanApproval": false
        },
        {
          "authorizes": false,
          "conditions": [
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          "id": "worker.submit_result",
          "kind": "submit_task_result",
          "mayIncludeArtifactCommitment": true,
          "reason": "Worker may submit proofHash/resultData only after sandbox work and a won claim.",
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            "artifact_hash_verified_or_unavailable_marked",
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          "id": "creator.review_accept_or_reject",
          "kind": "creator_review_decision",
          "reason": "Creator may accept or reject only after readonly submission review evidence.",
          "requestedBy": "creator",
          "requiresHumanApproval": true
        }
      ]
    }
  }
}