Implement complete daily practice session system with:
**Practice Components:**
- StudentSelector: Select which student is practicing
- ProgressDashboard: Show student's current level and progress
- PlanReview: Review and approve generated session plan
- ActiveSession: Main practice UI with three-part structure
- SessionSummary: Show results after session completion
- NumericKeypad: Touch-friendly number input for mobile
- VerticalProblem: Columnar problem display
**Session Structure:**
- Part 1 (Abacus): Physical abacus practice, vertical format
- Part 2 (Visualization): Mental math visualizing beads
- Part 3 (Linear): Mental math with sentence format
**Infrastructure:**
- Database schemas for curriculum, skills, sessions
- Session planner with skill-based problem generation
- React Query hooks for session management
- Consolidated device capability detection hooks
- API routes for curriculum and session management
**Problem Generation:**
- ActiveSession now uses actual skill-based algorithm
- Problems generated with appropriate skills constraints
- Storybook stories use real problem generation
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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