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-5.module

@@ -62,7 +62,7 @@ INSTRUCTION: Read the dialog and answer the question aloud using indirect speech
 INPUT: speak
 CHECK: llm
 SHOW_PROMPT
-RUBRIC: Accept a grammatically correct indirect speech sentence reporting what the second speaker said (e.g., "Ben said that they have a two-car garage.").
+RUBRIC: Accept any grammatically correct indirect speech sentence reporting what the second speaker said (e.g., "Ben said that they have a two-car garage."). A pronoun ("he"/"she") or the name is fine, "that" is optional, and present or backshifted past tense are both acceptable.
 
 TEMPLATE: Al: Do the Dales have a garage?
 TEMPLATE: Ben: Yes. They have a two-car garage.
@@ -415,7 +415,7 @@ ACCEPT: faster | faster than Bill
 TEMPLATE: Sam traveled 200 miles to hunt deer. Fred traveled 150 miles. (far)
 TEMPLATE: Sam traveled ____{farther than Fred}.
 RESPONSE: Sam traveled farther than Fred.
-ACCEPT: farther | farther than Fred
+ACCEPT: farther | farther than Fred | further | further than Fred
 
 TEMPLATE: The Smiths arrived at the party before the Johnsons. (soon)
 TEMPLATE: The Smiths arrived at the party ____{sooner than the Johnsons}.