﻿Write a SpacetimeDB backend module in Rust that defines one table and seeds two rows.

TABLE
- account
  - Struct: Account
  - Columns:
    - id: i32 (primary key)
    - email: String (unique)
    - name: String
  - Indexes:
    - by_name: btree(name)

REDUCERS
- seed: insert exactly these rows into account
  - (1, "a@example.com", "Alice")
  - (2, "b@example.com", "Bob")