apply answerability-audit repair queue: ACCEPT variants, derivability fixes, rubric rewrites (46 masters)

- MISSING_ALTERNATIVES (63/64 applied): uncontracted/contracted forms, digit
  variants (05|5), synonyms and full-sentence variants, via ACCEPT lines and
  inline gap alternatives; skipped 'better/fine' for the Opposites drill (not
  opposites of "sick").
- NOT_DERIVABLE (16 fixed, 10 false alarms, 1 skipped): item-level fixes
  (visible word hints, missing premise, speaker clarifications "Joe (to Jim):",
  emphasis/cue corrections, un-gapped unguessable words, rounded-number
  accepts); converted the two book-10 paragraph clozes (Mary / The Mall) from
  CHECK: exact to CHECK: llm with logical-completion rubrics; cross-book
  recycled vocab (pilot, teller, barber, variety store, ...) left alone.
- UNCLEAR_TARGET (10): instruction/intro corrections (Food "Type the word for
  the food.", Explain-with-Too intro), cue/emphasis fixes.
- Rubric rewrites (57): applied audit-suggested grader rubrics (now effective
  with the pre-item RUBRIC parser fix); moved the two per-item rubrics of
  book-11 "Write the Main Idea" inside their items.

No clip-bearing line changed; all masters validate (0 errors, 0 new warnings)
and pass stage-master clip-identity checks. Full decision log:
reactor-module-tools module-convert/answerability-audit/APPLIED.md

Co-authored-by: Cursor <cursoragent@cursor.com>

book-12-lesson-1.module

@@ -350,7 +350,7 @@ INTRO: People move on — jobs change, letters stop, Aunt Virginia is suddenly i
 INSTRUCTION: Ask a question about the underlined person, then answer it using the remaining information.
 INPUT: speak
 CHECK: llm
-RUBRIC: The learner must form a question like "What ever happened to X?" followed by an answer stating "he/she no longer..." and the new situation from the cue.
+RUBRIC: The learner must ask "What (ever) happened to [person]?" and answer that the person no longer does the original activity (either "no longer" or "doesn't ... any longer"), followed by the new situation from the cue. Conversational fillers like "Well" or "Now" are fine.
 
 EXAMPLE
 TEMPLATE: *Aunt Virginia* doesn't live in New York any longer. She moved to Texas last year.
@@ -957,7 +957,7 @@ INTRO: You'll see pictures of people about to make questionable decisions. Ask w
 INSTRUCTION: Ask and answer questions about the pictures. Use the underlined words and "if".
 INPUT: speak
 CHECK: llm
-RUBRIC: The learner must ask "What will happen if...?" using the first phrase, and answer using the second phrase.
+RUBRIC: The learner must ask "What will happen if...?" using the first phrase, and answer using the second phrase. Accept answers with or without the repeated "if" clause, either clause order, and standard contractions.
 
 EXAMPLE
 TEMPLATE: Ken wants to *try to pass the truck*. He can't see over the hill. *He'll hit the other car.* {st-page_025_001.jpg}
@@ -1287,7 +1287,7 @@ INTRO: Read each little exchange, then ask a yes/no question about the underline
 INSTRUCTION: Ask and answer a question about the dialog using the underlined word.
 INPUT: speak
 CHECK: llm
-RUBRIC: The learner must form a yes/no question in the present perfect tense based on the dialog, and answer it correctly.
+RUBRIC: The learner must form a yes/no question in the present perfect tense based on the dialog, and answer it correctly — a short answer (e.g. "Yes, he has.") or a full sentence, with or without extra detail.
 
 EXAMPLE
 TEMPLATE: Ted: How do you like Houston? Lee: I'm not sure. I've just *lived* here since May.
@@ -1340,7 +1340,7 @@ INSTRUCTION: Ask a question about the story using the cue word, then answer it u
 INPUT: speak
 CHECK: llm
 SHOW_PROMPT
-RUBRIC: The learner must form a question starting with the cue word in the present perfect tense, and answer it accurately according to the story.
+RUBRIC: The learner must form a question starting with the cue word in the present perfect tense, and answer it accurately according to the story — a short fragment answer or a complete sentence both count.
 
 EXAMPLE
 PROMPT: Donald has needed a new car for many years. (who)