v3.4.0 — estatisticas + descricoes enriquecidas

What's Changed

• chore(server.json): drop "open data" from description lead by @SidneyBissoli in #35
• docs(readme): add Glama badge by @SidneyBissoli in #36
• docs(readme): use Glama small score badge by @SidneyBissoli in #37
• chore: corrige comentário de contagem do grupo e-Cidadania (8→9) by @SidneyBissoli in #38
• docs(readme): English-language example questions in "See it in action" by @SidneyBissoli in #39
• Sessão 2 — Higiene de deps + blindagem e-Cidadania (anti prompt-injection) by @SidneyBissoli in #41
• Sessão 1 — Harness de eval de seleção de tool by @SidneyBissoli in #40
• Eval: runner robusto a falhas de infra (retry + fail-fast) by @SidneyBissoli in #42
• Sessão 3 — Aprofundar proveniência (granularidade por-campo, #711, auditoria retrieved_at) by @SidneyBissoli in #43
• Sessão 4 (item 2) — migrar Zod 3 → 4 (Standard Schema) by @SidneyBissoli in #44

Full Changelog: v3.3.1...v3.4.0