mermaid-architectlisted

# Mermaid Architect Specialized skill for creating robust, syntactically correct Mermaid.js diagrams for Markdown documentation, PR descriptions, and architectural blueprints. ## Syntax Best Practices 1. **Quote Node Labels**: Always quote labels containing special characters, brackets, or parentheses: ```mermaid graph TD A["Client (Browser / Mobile)"] --> B["API Gateway (Hono / Next.js)"] ``` 2. **Cardinality in ERDs**: - `||--||` : Exactly one to one - `||--o{` : One to zero-or-more - `||--|{` : One to one-or-more - `}o--o{` : Zero-or-more to zero-or-more --- ## Supported Diagram Types ### 1. Entity Relationship Diagram (ERD) ```mermaid erDiagram USER ||--o{ POST : writes USER { uuid id PK string email UK datetime created_at } POST { uuid id PK uuid author_id FK string title text content } ``` ### 2. Sequence Diagram (Auth & API Flow) ```mermaid sequenceDiagram autonumber actor User participant Client as Client App participant Auth as Better Auth Server participant DB as Database User->>Client: Click Login with Google Client->>Auth: Redirect to /api/auth/sign-in/social Auth-->>Client: OAuth consent redirect User->>Auth: Approve scopes Auth->>DB: Upsert User & Session Auth-->>Client: Set HttpOnly session cookie Client-->>User: Redirect to /dashboard ``` ### 3. C4 / System Topology Flowchart ```mermaid flowchart TD subgraph Client Tier Web["Next.js Web App"] Mobile["Flut