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---
name: architecture-guard
description: Enforces Boklo Wallet’s backend-authoritative, event-driven FinTech architecture. Rejects any suggestion that violates the Source of Truth.
---
# Architecture Guard
## When to use this skill
- When proposing major architectural changes.
- When designing new features that involve financial transactions.
- When a user request seems to conflict with the Backend-Authoritative principle.
- To verify if a proposed solution respects the Single Source of Truth rules.
## How to use it
1. **Analyze the Proposal**: Review the proposed code or design against the `SOURCE_OF_TRUTH.md` and core Boklo Wallet rules.
2. **Check for Violations**:
- Does the client write to the ledger/balance? (VIOLATION)
- Is logic placed in the Eventarc router instead of a consumer? (VIOLATION)
- Is the frontend calculating financial states? (VIOLATION)
3. **Enforce Rules**:
- If a violation is found, **REJECT** the proposal immediately.
- Cite the specific rule from `SOURCE_OF_TRUTH.md` that was violated.
- Provide a compliant alternative (e.g., "Instead of updating the balance locally, emit a `transaction.created` event and listen for the backend response").
4. **Guard the boundaries**: Ensure that the boundary between Client (Observer) and Backend (Authority) is distinct and rigid.
