feat: Implement advanced grading (rubrics) and lesson dependencies across CMS service, API, and Studio UI.
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-- Migración para crear la tabla de dependencias de lecciones (Learning Sequences)
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CREATE TABLE lesson_dependencies (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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organization_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
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lesson_id UUID NOT NULL REFERENCES lessons(id) ON DELETE CASCADE,
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prerequisite_lesson_id UUID NOT NULL REFERENCES lessons(id) ON DELETE CASCADE,
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min_score_percentage DOUBLE PRECISION,
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created_at TIMESTAMPTZ DEFAULT NOW(),
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UNIQUE(lesson_id, prerequisite_lesson_id),
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CHECK (lesson_id != prerequisite_lesson_id)
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);
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-- Índices para mejorar el rendimiento de las consultas
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CREATE INDEX idx_lesson_dependencies_lesson_id ON lesson_dependencies(lesson_id);
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CREATE INDEX idx_lesson_dependencies_prerequisite_id ON lesson_dependencies(prerequisite_lesson_id);
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CREATE INDEX idx_lesson_dependencies_org_id ON lesson_dependencies(organization_id);
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