{"id":"PUN-002","name":"No comma splice","domain":"punctuation","layer":"sentence","strength":"hard_constraint","human_logic":"IF two independent clauses are joined only by a comma, THEN add a coordinator, use a semicolon, or make two sentences ELSE retain.","when":{"all":[{"path":"sentence.independent_clause_count","operator":"gte","value":2},{"path":"sentence.joiner","operator":"eq","value":"comma_only"}]},"then":[{"action":"restructure","target":"sentence.joiner","options":["comma_plus_coordinator","semicolon","period"]}],"else":[{"action":"retain","target":"current_text","reason":"No triggering condition is present."}],"unless":[],"because":"A comma alone normally does not mark the full boundary between independent clauses.","diagnostics":[],"examples":{},"source_ids":["BK-002","BK-007","WEB-011"],"laka":{"smallest_sufficient_intervention":true,"primary_axes":["scope","depth","magnitude","reversibility"]},"requires_facts":["sentence.independent_clause_count","sentence.joiner"],"tests":[{"id":"TST-004","rule_id":"PUN-002","before":"The server stopped, the queue kept growing.","after":"The server stopped, and the queue kept growing.","reason":"Two independent clauses receive a valid boundary.","assertion":{"if":{"path":"output","operator":"eq","value":"The server stopped, and the queue kept growing."},"then":"pass","else":"review"}}],"sources":[{"id":"BK-002","title":"The Blue Book of Grammar and Punctuation","creator":"Jane Straus; Lester Kaufman","domain":"grammar_reference","type":"Book","note":"Accessible grammar, punctuation, examples, and exercises.","url":null},{"id":"BK-007","title":"The Copyeditor's Handbook","creator":"Amy Einsohn; Marilyn Schwartz","domain":"copyediting","type":"Book","note":"Professional copyediting practice, grammar, and editorial process.","url":null},{"id":"WEB-011","title":"Grammar, Punctuation, and Sentence Structure","creator":"Purdue Online Writing Lab","domain":"grammar_reference","type":"University writing resource","note":"Practical mechanics, clause, sentence, punctuation, and style guidance.","url":"https://owl.purdue.edu/owl/general_writing/index.html"}],"defined_in":{"file":"08-punctuation-rules.json","title":"Punctuation as Meaning and Boundary","slug":"punctuation-rules"}}