Leitura rápida
Comece pela explicação mais curta e útil antes de aprofundar.
The `Context<T>` struct passed to every Anchor instruction handler, where T is the accounts struct. Fields: `ctx.accounts` (validated accounts), `ctx.program_id` (current program), `ctx.remaining_accounts` (extra accounts not in struct), and `ctx.bumps` (map of PDA bumps found during validation).