Evidence: Block 4 · Service (block-4)

• block type: block
• date: 2026-08-12
• resulting state: closed/verified
• story points (combined assembled cost): 57855
• execution id: 20260812.175353.221Z-bce07ac2

Stories built

• Parse CommonMark leaf blocks. (block-leaf) [story]

Stacked context

• compass: COMPASS.md (SP 1263)
• implements: FEATURE-BLOCK-LEAF.md (SP 584)
• context: spec.txt (SP 51527)
• context: spec_tests.py (SP 1609)
• context: ARCHITECTURE_compact.md (SP 116)
• stack: common_compact.md (SP 1179)
• stack: python_compact.md (SP 1534)

Build directory changes

• cmark.py
• normalize.py
• parser/blocks.py
• renderer/html.py
• spec.txt
• spec_tests.py

Pre-build acceptance observation

• RED: leaf-blocks-primary (FEATURE-BLOCK-LEAF.md)

intent: The implementation passes the supplied conformance sections for thematic breaks, headings, and code blocks. return code: 1 stderr: /mnt/c/Users/barlo/projects/drydock/.venv/bin/python3: can't open file '/mnt/c/Users/barlo/projects/drydock/uat/CommonMark/runs/20260812.171514/build/commonmark/spec_tests.py': [Errno 2] No such file or directory

Traceback (most recent call last): File "leaf-blocks-primary.py", line 20, in <module> assert result.returncode == 0 ^^^^^^^^^^^^^^^^^^^^^^ AssertionError

• RED: leaf-blocks-secondary (FEATURE-BLOCK-LEAF.md)

intent: The implementation passes the supplied conformance sections for HTML blocks, link references, paragraphs, and blank lines. return code: 1 stderr: /mnt/c/Users/barlo/projects/drydock/.venv/bin/python3: can't open file '/mnt/c/Users/barlo/projects/drydock/uat/CommonMark/runs/20260812.171514/build/commonmark/spec_tests.py': [Errno 2] No such file or directory

Traceback (most recent call last): File "leaf-blocks-secondary.py", line 20, in <module> assert result.returncode == 0 ^^^^^^^^^^^^^^^^^^^^^^ AssertionError

Post-build programmatic acceptance

• PASS: leaf-blocks-primary (FEATURE-BLOCK-LEAF.md)

intent: The implementation passes the supplied conformance sections for thematic breaks, headings, and code blocks. target interpreter: /mnt/c/Users/barlo/projects/drydock/.venv/bin/python3 provisioning: not required return code: 0 stdout: 105 passed, 0 failed, 0 errored, 550 skipped

• PASS: leaf-blocks-secondary (FEATURE-BLOCK-LEAF.md)

intent: The implementation passes the supplied conformance sections for HTML blocks, link references, paragraphs, and blank lines. target interpreter: /mnt/c/Users/barlo/projects/drydock/.venv/bin/python3 provisioning: not required return code: 0 stdout: 82 passed, 0 failed, 0 errored, 573 skipped

Repair attempts

• attempt 0 (initial build): failed; 0/2 checks model=gpt-5.6-luna; execution 20260812.173325.448Z-5fbc1324
• attempt 1 (repair 1): failed; 1/2 checks; 185/187 cases model=gpt-5.6-luna; execution 20260812.174121.722Z-c21de7b4
• attempt 2 (repair 2): built; 2/2 checks; 187/187 cases model=gpt-5.6-luna; execution 20260812.175353.221Z-bce07ac2

Build summary

RESULT: SUCCESS

FILES CHANGED:

• parser/blocks.py
• renderer/html.py

SUMMARY: Fixed escaped reference labels and invalid multiline titles crossing blank lines. Leaf primary and secondary acceptance checks pass; pytest passes.

BLOCKERS:

• Full suite still has failures in out-of-scope inline/container features.