[derek73]

This continues #909. The comma-shape and name_order sweep (879 words) and the encoding sweep (469 words) move from root AGENTS.md into nameparser/AGENTS.md. All four sweeps the Workflow paragraph names now sit in one file: comma shapes, then name_order, then spellings, then the encoding. That file loads for pipeline and vocabulary work alike. Root goes from about 21,800 to about 20,700 words; it was 26,824 before #907.

Commits

1. Comma sweep: moved under a subheading per lesson. Root keeps the four comma paths, the order warning and a pointer. 14 pointers are retargeted:
   • seven cases.py notes, test_parser.py, test_properties.py;
   • decisions/A1 and H5, and the vocabulary-model RFC;
   • two decisions pointers to the spelling sweep that Move three oversized paragraphs out of root AGENTS.md into nested AGENTS.md files #909 missed (C13, S2).
2. Encoding sweep: moved under five subheadings. Root keeps the blind spot itself and a pointer. Nothing else pointed at it.
3. Review fixes:
   • The root comma stub had kept "every row runs under all three orders" and dropped the warning that the order sweep asserts only R2's partition. The warning is restored.
   • The Rethink the credential-run rule (S2): read a name's trailing run once, over name units, and bind it before any join #614 kinds-not-fields gap is back beside the field check it motivates.
   • The nested file's intro no longer claims the encoding sweep matters for TOML-only changes.

How it was checked

• A script found every sentence of both old paragraphs in the new file; the only rewording is three openings that leaned on the sentence before them.
• The design-docs reviewer confirmed this word by word and checked every retargeted pointer resolves. All three of its findings are fixed in commit 3.

Test plan

• uv run pytest: 31,706 passed.
• uv run ruff check
• Doc-guard modules pass after the review fixes.

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