breadth-of-thought

name	breadth-of-thought
description	Exhaustive solution space exploration. Use when you need ALL viable options (not just the best), solution space is unknown, or you can't afford to miss alternatives.
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user-invocable	true

Breadth of Thought (BoT)

Exhaustive exploration methodology for discovering ALL viable solutions.

When to Use

• Solution space is unknown or poorly defined
• Need multiple viable options (not just one best)
• Can't afford to miss alternatives
• Exploring possibilities before committing
• Brainstorming or ideation phases

Key Difference from ToT

ToT	BoT
Find THE best	Find ALL viable
Prune aggressively (keep top 2-3)	Prune conservatively (keep >40% confidence)
Deep exploration of winners	Broad exploration of everything
Single recommendation	Multiple options with trade-offs

Process

Phase 1: Divergent Generation

Generate 8-10 approaches at each level:

• Don't filter yet
• Include unconventional ideas
• Cross-domain analogies welcome
• Quantity over quality initially

Phase 2: Conservative Filtering

Keep anything above 40% viability threshold:

• "Might work" = keep
• "Definitely won't work" = prune
• Document why each was kept/pruned

Phase 3: Parallel Expansion

For EACH remaining option, generate sub-approaches:

Option 1 → 1a, 1b, 1c
Option 2 → 2a, 2b, 2c
Option 3 → 3a, 3b, 3c
...

Phase 4: Viability Assessment

Score all remaining options:

• Feasibility (1-10)
• Uniqueness (how different from others)
• Trade-off profile (what you gain/lose)

Phase 5: Portfolio Output

Return 3-5 viable solutions with:

• Clear differentiation
• Trade-off comparison
• Use case fit

Output Template

## BoT Exploration: [Problem]

### Solution Portfolio

#### Option 1: [Name]
- **Approach**: [description]
- **Best for**: [use case]
- **Trade-offs**: [gains vs losses]
- **Confidence**: X%

#### Option 2: [Name]
- **Approach**: [description]
- **Best for**: [use case]
- **Trade-offs**: [gains vs losses]
- **Confidence**: X%

#### Option 3: [Name]
...

### Comparison Matrix
| Option | Speed | Cost | Complexity | Risk | Best When |
|--------|-------|------|------------|------|-----------|
| 1 | | | | | |
| 2 | | | | | |
| 3 | | | | | |

### Eliminated Options
- [Option X]: [why not viable]

### Recommendation
No single "best" - choose based on priorities:
- If [priority A] matters most → Option 1
- If [priority B] matters most → Option 2
- If [priority C] matters most → Option 3

Example

Problem: Data pipeline architecture options

BoT Output:

1. Batch ETL - Best for: cost-sensitive, latency-tolerant
2. Stream Processing - Best for: real-time requirements
3. Lambda Architecture - Best for: mixed workloads
4. Lakehouse - Best for: unified analytics + ML
5. Event Sourcing - Best for: audit trails, replay needs

Each is viable - choice depends on specific requirements.