MAJOR: Implement beautiful module progression through strategic reordering

This commit implements the pedagogically optimal "inevitable discovery" module progression based on expert validation and educational design principles.

## Module Reordering Summary

**Previous Order (Problems)**:
- 05_losses → 06_autograd → 07_dataloader → 08_optimizers → 09_spatial → 10_training
- Issues: Autograd before optimizers, DataLoader before training, scattered dependencies

**New Order (Beautiful Progression)**:
- 05_losses → 06_optimizers → 07_autograd → 08_training → 09_spatial → 10_dataloader
- Benefits: Each module creates inevitable need for the next

## Pedagogical Flow Achieved

**05_losses** → "Need systematic weight updates" → **06_optimizers**
**06_optimizers** → "Need automatic gradients" → **07_autograd**
**07_autograd** → "Need systematic training" → **08_training**
**08_training** → "MLPs hit limits on images" → **09_spatial**
**09_spatial** → "Training is too slow" → **10_dataloader**

## Technical Changes

### Module Directory Renaming
- `06_autograd` → `07_autograd`
- `07_dataloader` → `10_dataloader`
- `08_optimizers` → `06_optimizers`
- `10_training` → `08_training`
- `09_spatial` → `09_spatial` (no change)

### System Integration Updates
- **MODULE_TO_CHECKPOINT mapping**: Updated in tito/commands/export.py
- **Test directories**: Renamed module_XX directories to match new numbers
- **Documentation**: Updated all references in MD files and agent configurations
- **CLI integration**: Updated next-steps suggestions for proper flow

### Agent Configuration Updates
- **Quality Assurance**: Updated module audit status with new numbers
- **Module Developer**: Updated work tracking with new sequence
- **Documentation**: Updated MASTER_PLAN_OF_RECORD.md with beautiful progression

## Educational Benefits

1. **Inevitable Discovery**: Each module naturally leads to the next
2. **Cognitive Load**: Concepts introduced exactly when needed
3. **Motivation**: Students understand WHY each tool is necessary
4. **Synthesis**: Everything flows toward complete ML systems understanding
5. **Professional Alignment**: Matches real ML engineering workflows

## Quality Assurance

- ✅ All CLI commands still function
- ✅ Checkpoint system mappings updated
- ✅ Documentation consistency maintained
- ✅ Test directory structure aligned
- ✅ Agent configurations synchronized

**Impact**: This reordering transforms TinyTorch from a collection of modules into a coherent educational journey where each step naturally motivates the next, creating optimal conditions for deep learning systems understanding.

modules/20_capstone/module.yaml

@@ -0,0 +1,30 @@
+name: Capstone
+number: 20
+type: project
+difficulty: advanced
+estimated_hours: 15-20
+
+description: |
+  Final project combining all optimization techniques. Students build an optimized
+  end-to-end ML system and compete on the global leaderboard.
+
+learning_objectives:
+  - Combine all optimization techniques
+  - Build complete optimized systems
+  - Deploy efficient ML models
+  - Compete on performance metrics
+
+prerequisites:
+  - All previous modules (1-19)
+
+skills_developed:
+  - System integration
+  - Holistic optimization
+  - Production deployment
+  - Performance engineering
+
+final_projects:
+  - Optimized CIFAR-10 trainer
+  - Efficient GPT inference engine
+  - Memory-constrained deployment
+  - Custom optimization challenge