Commit History

  1. Spread correct answers evenly across A-D; update letter references

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    0c9eba9
  2. Biology: five more chapters (classification, organisation, movement in and out of cells, biological molecules, human nutrition); exact-precision marking

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    5892695
  3. Topics: chapter pages with Learn / Quiz / Ask per topic, 42 short quizzes, planned tutor sessions with a step tracker, fix-my-mistakes, $5 daily cap

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    d6a9f46
  4. Quiz player with question navigator and sticky timer; chat layout; tutor activity in Progress; fixes

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    8d15c3a

  1. Add the Claude tutor, idea levels and parent area

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    41f08fb