# Evidence: Block 18 · Service (block-18)

- block type: block
- date: 2026-08-22
- resulting state: closed/verified
- story points (combined assembled cost): 51311
- execution id: 20260823.025726.811Z-1a745c35

## Stories built
- Implement boolean and alternative operators. (FLOW-002) [story]

## Acceptance tooling authorization
- FEATURE-FLOW-002.md#flow-002-conformance: executable=python3; scope=test; authorization=existing Target environment

## Stacked context
- compass: COMPASS.md (SP 3420)
- implements: FEATURE-FLOW-002.md (SP 422)
- context: jq-manual.txt (SP 32696)
- context: jq.test (SP 13058)
- context: ARCHITECTURE_compact.md (SP 154)
- stack: python_compact.md (SP 1534)

## Build directory changes
- jq_interpreter/evaluator.py
- tests/test_core_004_truthiness_comparison.py
- tests/test_flow_002_boolean_alternative.py

## Pre-build acceptance observation
- RED: flow-002-conformance (FEATURE-FLOW-002.md)
  intent: The implementation passes the authoritative corpus slice covering Boolean and alternative operators.
  return code: 1
  stdout:
    {
      "candidate": [
        "/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq"
      ],
      "corpus": "jq.test",
      "summary": {
        "pass": 75,
        "fail": 3,
        "error": 0,
        "skip": 7
      },
      "cases": [
        {
          "line": 1074,
          "program": "all(not)",
          "status": "fail",
          "detail": "output mismatch",
          "expect_failure": false,
          "expected": [
            "true"
          ],
          "actual": [
            "false"
          ]
        },
        {
          "line": 1078,
          "program": "any(not)",
          "status": "fail",
          "detail": "output mismatch",
          "expect_failure": false,
          "expected": [
            "true"
          ],
          "actual": [
            "false"
          ]
        },
        {
          "line": 1082,
          "program": "all(not)",
          "status": "fail",
          "detail": "output mismatch",
          "expect_failure": false,
          "expected": [
            "true"
          ],
          "actual": [
            "false"
          ]
        },
        {
          "line": 1900,
          "program": "import \"a\" as foo; import \"b\" as bar; def fooa: foo::a; [fooa, bar::a, bar::b, foo::a]",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "[\"a\",\"b\",\"c\",\"a\"]"
          ],
          "actual": []
        },
        {
          "line": 1904,
          "program": "import \"c\" as foo; [foo::a, foo::c]",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "[0,\"acmehbah\"]"
          ],
          "actual": []
        },
        {
          "line": 1912,
          "program": "import \"data\" as $e; import \"data\" as $d; [$d[].this,$e[].that,$d::d[].this,$e::e[].that]|join(\";\")",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "\"is a test;is too;is a test;is too\""
          ],
          "actual": []
        },
        {
          "line": 1917,
          "program": "import \"data\" as $a; import \"data\" as $b; def f: {$a, $b}; f",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "{\"a\":[{\"this\":\"is a test\",\"that\":\"is too\"}],\"b\":[{\"this\":\"is a test\",\"that\":\"is too\"}]}"
          ],
          "actual": []
        },
        {
          "line": 1929,
          "program": "import \"shadow1\" as f; import \"shadow2\" as f; import \"shadow1\" as e; [e::e, f::e]",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "[2,3]"
          ],
          "actual": []
        },
        {
          "line": 1982,
          "program": "import \"syntaxerror\" as e; .",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": true,
          "expected": [],
          "actual": []
        },
        {
          "line": 1993,
          "program": "import \"test_bind_order\" as check; check::check",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "true"
          ],
          "actual": []
        }
      ]
    }
  stderr:
    --- drydock: progress ---
    cases: pass=75 fail=3 error=0 skip=7 total=85 from=summary
    --- drydock: end progress ---
    --- drydock: values at failure ---
      summary = {'pass': 75, 'fail': 3, 'error': 0, 'skip': 7}
    --- drydock: end values ---
    Traceback (most recent call last):
      File "flow-002-conformance.py", line 18, in <module>
        assert summary["fail"] == 0 and summary["error"] == 0
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    AssertionError

## Post-build programmatic acceptance
- PASS: flow-002-conformance (FEATURE-FLOW-002.md)
  intent: The implementation passes the authoritative corpus slice covering Boolean and alternative operators.
  target interpreter: /mnt/c/Users/barlo/projects/drydock/.venv/bin/python3
  provisioning: not required
  return code: 0
  stdout:
    {
      "candidate": [
        "/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq"
      ],
      "corpus": "jq.test",
      "summary": {
        "pass": 78,
        "fail": 0,
        "error": 0,
        "skip": 7
      },
      "cases": [
        {
          "line": 1900,
          "program": "import \"a\" as foo; import \"b\" as bar; def fooa: foo::a; [fooa, bar::a, bar::b, foo::a]",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "[\"a\",\"b\",\"c\",\"a\"]"
          ],
          "actual": []
        },
        {
          "line": 1904,
          "program": "import \"c\" as foo; [foo::a, foo::c]",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "[0,\"acmehbah\"]"
          ],
          "actual": []
        },
        {
          "line": 1912,
          "program": "import \"data\" as $e; import \"data\" as $d; [$d[].this,$e[].that,$d::d[].this,$e::e[].that]|join(\";\")",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "\"is a test;is too;is a test;is too\""
          ],
          "actual": []
        },
        {
          "line": 1917,
          "program": "import \"data\" as $a; import \"data\" as $b; def f: {$a, $b}; f",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "{\"a\":[{\"this\":\"is a test\",\"that\":\"is too\"}],\"b\":[{\"this\":\"is a test\",\"that\":\"is too\"}]}"
          ],
          "actual": []
        },
        {
          "line": 1929,
          "program": "import \"shadow1\" as f; import \"shadow2\" as f; import \"shadow1\" as e; [e::e, f::e]",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "[2,3]"
          ],
          "actual": []
        },
        {
          "line": 1982,
          "program": "import \"syntaxerror\" as e; .",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": true,
          "expected": [],
          "actual": []
        },
        {
          "line": 1993,
          "program": "import \"test_bind_order\" as check; check::check",
          "status": "skip",
          "detail": "declared in exclusions.txt",
          "expect_failure": false,
          "expected": [
            "true"
          ],
          "actual": []
        }
      ]
    }

## Build summary
Implemented FLOW-002 boolean and alternative behavior.

RESULT: SUCCESS

FILES CHANGED:
- jq_interpreter/evaluator.py
- tests/test_core_004_truthiness_comparison.py
- tests/test_flow_002_boolean_alternative.py

SUMMARY:
- Fixed `any(condition)`/`all(condition)` element-wise semantics.
- Verified `and`, `or`, `not`, `//`, and `//=` behavior.
- Tests: 85 passed.
- Conformance: 78 passed, 0 failed, 0 errored, 7 skipped.

BLOCKERS:
- None