Evidence: Block 19 · Service (block-19)

• block type: block
• date: 2026-08-22
• resulting state: closed/verified
• story points (combined assembled cost): 51332
• execution id: 20260823.030233.466Z-9b5cdcb2

Stories built

• Implement conditionals and exception flow. (FLOW-003) [story]

Acceptance tooling authorization

• FEATURE-FLOW-003.md#flow-003-conformance: executable=python3; scope=test; authorization=existing Target environment

Stacked context

• compass: COMPASS.md (SP 3420)
• implements: FEATURE-FLOW-003.md (SP 431)
• 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/cli.py
• jq_interpreter/errors.py
• jq_interpreter/evaluator.py
• tests/test_flow_003_conditionals_exceptions.py

Pre-build acceptance observation

• GREEN (prepassed): flow-003-conformance (FEATURE-FLOW-003.md)

intent: The implementation passes the authoritative corpus slice covering conditionals, try/catch, and optional evaluation. return code: 0 stdout: { "candidate": [ "/mnt/c/Users/barlo/projects/drydock/uat/jq/runs/20260822.044627/build/jq/jq" ], "corpus": "jq.test", "summary": { "pass": 147, "fail": 0, "error": 0, "skip": 0 }, "cases": [] }

Post-build programmatic acceptance

• PASS: flow-003-conformance (FEATURE-FLOW-003.md)

intent: The implementation passes the authoritative corpus slice covering conditionals, try/catch, and optional evaluation. 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": 147, "fail": 0, "error": 0, "skip": 0 }, "cases": [] }

Build summary

RESULT: SUCCESS

FILES CHANGED:

• jq_interpreter/errors.py
• jq_interpreter/evaluator.py
• jq_interpreter/cli.py
• tests/test_flow_003_conditionals_exceptions.py

SUMMARY: Implemented robust conditional and exception-flow handling with runtime error propagation, partial-output preservation, and optional suppression.

Verification: scoped conformance passed 147/147; pytest passed 92 tests.

BLOCKERS:

• None