Evidence: Block 11 · Service (block-11)

• block type: block
• date: 2026-08-22
• resulting state: closed/verified
• story points (combined assembled cost): 51215
• execution id: 20260823.022510.696Z-432b7141

Stories built

• Implement empty, runtime errors, optional evaluation, and try. (CORE-003) [story]

Stacked context

• compass: COMPASS.md (SP 3420)
• implements: FEATURE-CORE-003.md (SP 319)
• 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_003_errors.py

Pre-build acceptance observation

• GREEN (prepassed): core-003-conformance (FEATURE-CORE-003.md)

intent: The executable evaluates optional errors and try/catch while preserving runtime failure distinction. return code: 0

Post-build programmatic acceptance

• PASS: core-003-conformance (FEATURE-CORE-003.md)

intent: The executable evaluates optional errors and try/catch while preserving runtime failure distinction. target interpreter: /mnt/c/Users/barlo/projects/drydock/.venv/bin/python3 provisioning: not required return code: 0

Build summary

RESULT: SUCCESS

FILES CHANGED:

• jq_interpreter/evaluator.py
• tests/test_core_003_errors.py

SUMMARY: Implemented CORE-003 runtime error handling and lazy nth evaluation. Added tests for empty, optional suppression, try/catch, runtime exit status, partial output, and generator errors.

Verification: 51 tests passed; focused conformance: 134 passed, 0 failed, 0 errored, 1 skipped.

BLOCKERS:

• None