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---
name: architecture
description: Internal methodology for the architecture discovery stage. Produces a concise Architecture Brief for product and planning handoff.
version: "1.0.0"
category: methodology
internal: true
triggers: architecture brief, technical design, interfaces
metadata:
gobby:
audience: agent
depth: 0
---
# architecture - Architecture Brief Methodology
Use this skill when acting as the `architect` discovery-stage agent.
## Purpose
Translate ideation and research into technical direction. Capture the drivers,
decisions, components, interfaces, and trade-offs that planning must preserve.
## Method
1. Read the task and prior discovery marker blocks.
2. Identify architectural drivers: data shape, lifecycle, integration points,
safety, performance, compatibility, and migration constraints.
3. Make decisions only where evidence supports them.
4. Describe the smallest useful component/interface boundaries.
5. Surface trade-offs and unresolved questions that planning must account for.
## Output
Write only this section shape:
```markdown
## Architecture Brief
### Drivers
- <technical driver>
### Decisions
- <decision and reason>
### Components
- <component or module responsibility>
### Interfaces
- <API, storage, MCP, CLI, or file contract>
### Trade-offs
- <trade-off>
### Open Questions
- <question or "None">
```
Do not write implementation tasks or PRD acceptance criteria. Keep the brief
actionable for the planner.