jack/PPT @ 85738e5a16ce20654198d2dc73725140a3ccddeb

jimmylee 85738e5a16 docs: design english speaking task hint modal		há 5 meses atrás
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plans	d2b22fbc40 docs(speaking): add design spec and implementation plan for grade-aware system prompt	há 5 meses atrás
specs	85738e5a16 docs: design english speaking task hint modal	há 5 meses atrás