Quote one line per assigned keyword

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

prompts/03-01-code.md

@@ -17,9 +17,9 @@ Rules:
 
 - Use only the given keywords, spelled exactly as given.
 - A song may match any number of keywords, including none.
-- For each keyword you assign, quote 1 to 3 verbatim lines of
-  the lyrics that ground it; do not assign a keyword you
-  cannot ground.
+- For each keyword you assign, quote exactly one verbatim
+  line of the lyrics that grounds it; do not assign a keyword
+  you cannot ground.
 
 Do not wrap the output in a Markdown code fence.
 The output must be strictly valid JSON; use backslash
@@ -30,6 +30,6 @@ its list of quotes (an empty object when no keyword applies),
 and nothing else:
 
 {
-  "first-keyword": ["quoted line", "another quoted line"],
-  "second-keyword": ["quoted line"]
+  "first-keyword": ["quoted line"],
+  "second-keyword": ["another quoted line"]
 }