diff --git a/ARCH.generated.md b/ARCH.generated.md
index 725b84f0c..0c860d7ae 100644
--- a/ARCH.generated.md
+++ b/ARCH.generated.md
@@ -8,9 +8,9 @@ Números atuais das zonas, do quality gate e do `package.json`:
 
 | Zona | O que é | Tamanho medido | Regra |
 |---|---|---|---|
-| `public/` | o **jogo** | 44 arquivos `.js`, 32.001 linhas · Three.js `r160` vendorizado | ES modules servidos crus, **zero build**, sem dependência de runtime |
+| `public/` | o **jogo** | 45 arquivos `.js`, 32.554 linhas · Three.js `r160` vendorizado | ES modules servidos crus, **zero build**, sem dependência de runtime |
 | `src/` | o **site** | 18 páginas `.astro`, 21 rotas `/api` · Astro `^7.1.1` | framework é bem-vindo; `service_role` só no servidor |
-| `tools/` | o **arnês** | 201 scripts em `tools/eval/`, 55 em `tools/` | node puro: sobe o jogo real sem browser |
+| `tools/` | o **arnês** | 202 scripts em `tools/eval/`, 55 em `tools/` | node puro: sobe o jogo real sem browser |
 
 **Não existe `public/index.html`.** O HTML do jogo é `src/pages/index.astro`, servido na rota `/`. Servir `public/` estaticamente entrega os arnêses visuais, **não o jogo** — é a pegadinha que custa a primeira hora de todo mundo.
 
diff --git a/README.md b/README.md
index 9d6f334c0..72e28a6ad 100644
--- a/README.md
+++ b/README.md
@@ -34,17 +34,17 @@ contra bots, direto na aba. Sem download, sem instalação, sem cadastro.
 
 | O que | Quanto | Onde confere |
 |---|---:|---|
-| Código do jogo | 32.001 linhas em 44 arquivos | `git ls-files public/js/*.js \| xargs wc -l` |
+| Código do jogo | 32.554 linhas em 45 arquivos | `git ls-files public/js/*.js \| xargs wc -l` |
 | `game.js` | **6.910** linhas | `wc -l public/js/game.js` |
-| `main.js` | 2.698 linhas | `wc -l public/js/main.js` |
+| `main.js` | 2.702 linhas | `wc -l public/js/main.js` |
 | Armas com GLB | 26 | `git ls-files 'public/models/weapons/*.glb' \| wc -l` |
 | GLBs de personagem | 45 | `git ls-files 'public/models/characters/*.glb' \| wc -l` |
 | Props em GLB | 108 | `git ls-files 'public/models/props/*.glb' \| wc -l` |
 | Clipes de animação versionados | 573 | `git ls-files public/models/anims \| wc -l` |
 | Personagens jogáveis | 44, em 5 facções | array `CHARACTERS` de `characters.js` |
-| Mapas no registro | 12 | objeto `MAPS` de `maps.js` |
+| Mapas no registro | 13 | objeto `MAPS` de `maps.js` |
 | Arnêses visuais em HTML | 15 | `git ls-files 'public/*.html' \| wc -l` |
-| Scripts do arnês | 201 | `git ls-files 'tools/eval/*.mjs' 'tools/eval/*.py' \| wc -l` |
+| Scripts do arnês | 202 | `git ls-files 'tools/eval/*.mjs' 'tools/eval/*.py' \| wc -l` |
 | Scripts de pipeline | 55 | `git ls-files 'tools/*.mjs' \| wc -l` |
 | Tarefas de entrada escritas | 26 | `git ls-files 'docs/issues/[0-9]*.md' \| wc -l` |
 | Versão | `2.0.0-alpha.184` | `public/js/version.js` e `package.json` (batem) |
@@ -89,7 +89,7 @@ arquitetura): `cd docs && npm install && npm start` → <http://localhost:3000/d
 | Camada | Ferramenta | Versão |
 |---|---|---|
 | Motor 3D (WebGL) | **Three.js**, vendorizado | `r160` |
-| Jogo | ES modules vanilla, **zero build** | 44 arquivos |
+| Jogo | ES modules vanilla, **zero build** | 45 arquivos |
 | Site | **Astro** com SSR | `^7.1.1` |
 | Hospedagem | adapter **Vercel** | `^11.0.6` |
 | Banco | **Postgres gerenciado** (RLS; schema privado, fora do repo) | `^2.110.7` |
@@ -279,7 +279,7 @@ projeto.
 | Regra | Valor | Constante |
 |---|---|---|
 | Facções · personagens | 5 · 44 (B 9 · C 9 · E 8 · F 9 · U 9) | `CHARACTERS` |
-| Mapas no menu | 12 — 2 abrem em rodadas, **10 em captura** | `MAPS` / `ctfMode` |
+| Mapas no menu | 13 — 3 abrem em rodadas, **10 em captura** | `MAPS` / `ctfMode` |
 | Respawn | 2,2 s | `RESPAWN_DELAY` |
 | Round | 99 s, 3 vitórias | `ROUND_TIME` / `ROUNDS_TO_WIN` |
 | Captura | alvo = **todas as bandeiras do mapa**, 2 rodadas (rede de segurança 480 s) | `capsToWin = ctfPts.length` / `CTF_ROUNDS_TO_WIN` |
@@ -318,8 +318,9 @@ Os mapas registrados, e em que modo cada um abre:
 | `parque_treta` | Parque da Treta | **captura** | `map_parque.js` | 402 |
 | `velho_oeste` | Velho Oeste da Treta | **captura** | `map_velho_oeste.js` | 433 |
 | `penitenciaria` | Penitenciária da Treta | **captura** | `map_penitenciaria.js` | 247 |
+| `treta_vietnan` | Treta no Vietnã | rodadas | `map_treta_vietnan.js` | 547 |
 
-**12 mapas registrados** — 2 abrem em rodadas e 10 em captura. `ctfMode` **abre** o mapa em captura, não prende: o jogador troca no menu (é a `MOD1`). Há 14 arquivos `map_*.js` em `public/js/` — arquivo no disco **não** implica mapa jogável.
+**13 mapas registrados** — 3 abrem em rodadas e 10 em captura. `ctfMode` **abre** o mapa em captura, não prende: o jogador troca no menu (é a `MOD1`). Há 15 arquivos `map_*.js` em `public/js/` — arquivo no disco **não** implica mapa jogável.
 
 > Bloco gerado por `node tools/gen-docs.mjs`. Fonte: `objeto MAPS de public/js/maps.js`
 
diff --git a/STATUS.md b/STATUS.md
index cdef2610e..c41068853 100644
--- a/STATUS.md
+++ b/STATUS.md
@@ -3,9 +3,9 @@
 <!-- BEGIN:GERADO:status_atual — não edite à mão, rode `npm run docs` -->
 
 - **Versão:** `2.0.0-alpha.184`
-- **Conteúdo jogável:** 5 facções, 44 personagens, 12 mapas e 26 armas com GLB
-- **Código do jogo:** 32.001 linhas em 44 módulos JavaScript
-- **Automação:** 124 comandos npm, 201 scripts de avaliação e 55 scripts de pipeline
+- **Conteúdo jogável:** 5 facções, 44 personagens, 13 mapas e 26 armas com GLB
+- **Código do jogo:** 32.554 linhas em 45 módulos JavaScript
+- **Automação:** 124 comandos npm, 202 scripts de avaliação e 55 scripts de pipeline
 
 > Bloco gerado por `node tools/gen-docs.mjs`. Fonte: `package.json · CHARACTERS · MAPS · public/models/weapons · public/js · tools/`
 
diff --git a/docs/docs/arquitetura.md b/docs/docs/arquitetura.md
index be5416328..35fb30ac8 100644
--- a/docs/docs/arquitetura.md
+++ b/docs/docs/arquitetura.md
@@ -63,14 +63,14 @@ Tamanho dos arquivos que o `gen-arch.mjs` indexa — bloco gerado, regenerado po
 | Arquivo | Linhas |
 |---|---:|
 | `public/js/game.js` | 6.910 |
-| `public/js/main.js` | 2.698 |
+| `public/js/main.js` | 2.702 |
 | `public/js/characters.js` | 1.068 |
 | `public/js/glbchars.js` | 844 |
 | `public/js/vmattach.js` | 628 |
 | `public/js/weapons.js` | 346 |
 | `public/js/springs.js` | 260 |
 
-Total de `public/js/`: **32.001 linhas em 44 arquivos**. O índice símbolo→linha, com a tabela de conflito, é outro bloco gerado: `tools/eval/ARCH.md` (`npm run arch`).
+Total de `public/js/`: **32.554 linhas em 45 arquivos**. O índice símbolo→linha, com a tabela de conflito, é outro bloco gerado: `tools/eval/ARCH.md` (`npm run arch`).
 
 > Bloco gerado por `node tools/gen-docs.mjs`. Fonte: ``git ls-files public/js/*.js | xargs wc -l``
 
diff --git a/docs/docs/colaborar.md b/docs/docs/colaborar.md
index 2d5b3e074..8fa9d86b0 100644
--- a/docs/docs/colaborar.md
+++ b/docs/docs/colaborar.md
@@ -14,7 +14,7 @@ O número abaixo não é retórica, e não é escrito à mão: sai de `git short
 
 {/* BEGIN:GERADO:pessoas — não edite à mão, rode `npm run docs` */}
 
-**11 identidades de autoria humana** assinam commit no histórico **desta branch**: `ruben-cytonic`, `Ruben`, `Emerson Garrido`, `rubenmarcus`, `Ruben Marcus`, `William Oliveira`, `Juan Versolato Lopes`, `daeeseD`, `matheusgb`, `Maná Soares`, `daltonfontes`. O resto dos commits é assinado por agentes de IA. Branch não é repositório: quem contribuiu num ramo que esta branch não contém **não aparece aqui**.
+**12 identidades de autoria humana** assinam commit no histórico **desta branch**: `ruben-cytonic`, `Ruben`, `Emerson Garrido`, `rubenmarcus`, `Ruben Marcus`, `William Oliveira`, `Juan Versolato Lopes`, `daeeseD`, `matheusgb`, `Maná Soares`, `daltonfontes`, `usantos`. O resto dos commits é assinado por agentes de IA. Branch não é repositório: quem contribuiu num ramo que esta branch não contém **não aparece aqui**.
 
 > Bloco gerado por `node tools/gen-docs.mjs`. Fonte: `git shortlog -sn --no-merges (descontando autores que são agentes)`
 
@@ -260,8 +260,9 @@ O registro, gerado do `MAPS` de `public/js/maps.js`:
 | `parque_treta` | Parque da Treta | **captura** | `map_parque.js` | 402 |
 | `velho_oeste` | Velho Oeste da Treta | **captura** | `map_velho_oeste.js` | 433 |
 | `penitenciaria` | Penitenciária da Treta | **captura** | `map_penitenciaria.js` | 247 |
+| `treta_vietnan` | Treta no Vietnã | rodadas | `map_treta_vietnan.js` | 547 |
 
-**12 mapas registrados** — 2 abrem em rodadas e 10 em captura. `ctfMode` **abre** o mapa em captura, não prende: o jogador troca no menu (é a `MOD1`). Há 14 arquivos `map_*.js` em `public/js/` — arquivo no disco **não** implica mapa jogável.
+**13 mapas registrados** — 3 abrem em rodadas e 10 em captura. `ctfMode` **abre** o mapa em captura, não prende: o jogador troca no menu (é a `MOD1`). Há 15 arquivos `map_*.js` em `public/js/` — arquivo no disco **não** implica mapa jogável.
 
 > Bloco gerado por `node tools/gen-docs.mjs`. Fonte: `objeto MAPS de public/js/maps.js`
 
diff --git a/docs/docs/comecando.md b/docs/docs/comecando.md
index 5781b68c4..f48d69e31 100644
--- a/docs/docs/comecando.md
+++ b/docs/docs/comecando.md
@@ -39,17 +39,17 @@ esta página envelhecia no primeiro commit — ver
 
 | O que | Quanto | Onde confere |
 |---|---:|---|
-| Código do jogo | 32.001 linhas em 44 arquivos | `git ls-files public/js/*.js \| xargs wc -l` |
+| Código do jogo | 32.554 linhas em 45 arquivos | `git ls-files public/js/*.js \| xargs wc -l` |
 | `game.js` | **6.910** linhas | `wc -l public/js/game.js` |
-| `main.js` | 2.698 linhas | `wc -l public/js/main.js` |
+| `main.js` | 2.702 linhas | `wc -l public/js/main.js` |
 | Armas com GLB | 26 | `git ls-files 'public/models/weapons/*.glb' \| wc -l` |
 | GLBs de personagem | 45 | `git ls-files 'public/models/characters/*.glb' \| wc -l` |
 | Props em GLB | 108 | `git ls-files 'public/models/props/*.glb' \| wc -l` |
 | Clipes de animação versionados | 573 | `git ls-files public/models/anims \| wc -l` |
 | Personagens jogáveis | 44, em 5 facções | array `CHARACTERS` de `characters.js` |
-| Mapas no registro | 12 | objeto `MAPS` de `maps.js` |
+| Mapas no registro | 13 | objeto `MAPS` de `maps.js` |
 | Arnêses visuais em HTML | 15 | `git ls-files 'public/*.html' \| wc -l` |
-| Scripts do arnês | 201 | `git ls-files 'tools/eval/*.mjs' 'tools/eval/*.py' \| wc -l` |
+| Scripts do arnês | 202 | `git ls-files 'tools/eval/*.mjs' 'tools/eval/*.py' \| wc -l` |
 | Scripts de pipeline | 55 | `git ls-files 'tools/*.mjs' \| wc -l` |
 | Tarefas de entrada escritas | 26 | `git ls-files 'docs/issues/[0-9]*.md' \| wc -l` |
 | Versão | `2.0.0-alpha.184` | `public/js/version.js` e `package.json` (batem) |
@@ -66,7 +66,7 @@ E as regras de partida que mais mudam de lugar, todas lidas das constantes de
 | Regra | Valor | Constante |
 |---|---|---|
 | Facções · personagens | 5 · 44 (B 9 · C 9 · E 8 · F 9 · U 9) | `CHARACTERS` |
-| Mapas no menu | 12 — 2 abrem em rodadas, **10 em captura** | `MAPS` / `ctfMode` |
+| Mapas no menu | 13 — 3 abrem em rodadas, **10 em captura** | `MAPS` / `ctfMode` |
 | Respawn | 2,2 s | `RESPAWN_DELAY` |
 | Round | 99 s, 3 vitórias | `ROUND_TIME` / `ROUNDS_TO_WIN` |
 | Captura | alvo = **todas as bandeiras do mapa**, 2 rodadas (rede de segurança 480 s) | `capsToWin = ctfPts.length` / `CTF_ROUNDS_TO_WIN` |
@@ -233,8 +233,9 @@ Os mapas registrados hoje, e em que modo cada um abre:
 | `parque_treta` | Parque da Treta | **captura** | `map_parque.js` | 402 |
 | `velho_oeste` | Velho Oeste da Treta | **captura** | `map_velho_oeste.js` | 433 |
 | `penitenciaria` | Penitenciária da Treta | **captura** | `map_penitenciaria.js` | 247 |
+| `treta_vietnan` | Treta no Vietnã | rodadas | `map_treta_vietnan.js` | 547 |
 
-**12 mapas registrados** — 2 abrem em rodadas e 10 em captura. `ctfMode` **abre** o mapa em captura, não prende: o jogador troca no menu (é a `MOD1`). Há 14 arquivos `map_*.js` em `public/js/` — arquivo no disco **não** implica mapa jogável.
+**13 mapas registrados** — 3 abrem em rodadas e 10 em captura. `ctfMode` **abre** o mapa em captura, não prende: o jogador troca no menu (é a `MOD1`). Há 15 arquivos `map_*.js` em `public/js/` — arquivo no disco **não** implica mapa jogável.
 
 > Bloco gerado por `node tools/gen-docs.mjs`. Fonte: `objeto MAPS de public/js/maps.js`
 
diff --git a/docs/docs/quality-gates.md b/docs/docs/quality-gates.md
index d802c0845..e76544e9d 100644
--- a/docs/docs/quality-gates.md
+++ b/docs/docs/quality-gates.md
@@ -15,7 +15,7 @@ PR (`.github/workflows/ci.yml`).
 {/* BEGIN:GERADO:invariantes — não edite à mão, rode `npm run docs` */}
 
 - `tools/eval/invariants.mjs`: **2.275 linhas**, **65 identificadores de invariante declarados** (`put()`), dos quais **28** têm caminho de `skip()` declarado.
-- O arnês inteiro são **201 scripts** em `tools/eval/` (`.mjs` + `.py`), mais **55 scripts** de pipeline em `tools/`.
+- O arnês inteiro são **202 scripts** em `tools/eval/` (`.mjs` + `.py`), mais **55 scripts** de pipeline em `tools/`.
 - Quantas invariantes rodam como **críticas** numa execução **não é derivável do fonte**: depende de qual insumo existe na máquina (o JSON do auditor de viewmodel, um GLB, uma pasta de anims). Esse número só sai rodando o quality gate — e o lugar dele é o cabeçalho do `KNOWN-BUGS.md`, atualizado com saída real.
 
 Reproduza:
diff --git a/docs/docs/stack.md b/docs/docs/stack.md
index e5818daeb..0d039613f 100644
--- a/docs/docs/stack.md
+++ b/docs/docs/stack.md
@@ -17,7 +17,7 @@ a partir do `package.json`, do `docs/package.json` e do próprio Three.js vendor
 | Camada | Ferramenta | Versão |
 |---|---|---|
 | Motor 3D (WebGL) | **Three.js**, vendorizado | `r160` |
-| Jogo | ES modules vanilla, **zero build** | 44 arquivos |
+| Jogo | ES modules vanilla, **zero build** | 45 arquivos |
 | Site | **Astro** com SSR | `^7.1.1` |
 | Hospedagem | adapter **Vercel** | `^11.0.6` |
 | Banco | **Postgres gerenciado** (RLS; schema privado, fora do repo) | `^2.110.7` |
diff --git a/docs/i18n/en/docusaurus-plugin-content-docs/current/arquitetura.md b/docs/i18n/en/docusaurus-plugin-content-docs/current/arquitetura.md
index bf263a227..343d320f2 100644
--- a/docs/i18n/en/docusaurus-plugin-content-docs/current/arquitetura.md
+++ b/docs/i18n/en/docusaurus-plugin-content-docs/current/arquitetura.md
@@ -70,14 +70,14 @@ Size of the files `gen-arch.mjs` indexes — a generated block, regenerated by
 | File | Lines |
 |---|---:|
 | `public/js/game.js` | 6,910 |
-| `public/js/main.js` | 2,698 |
+| `public/js/main.js` | 2,702 |
 | `public/js/characters.js` | 1,068 |
 | `public/js/glbchars.js` | 844 |
 | `public/js/vmattach.js` | 628 |
 | `public/js/weapons.js` | 346 |
 | `public/js/springs.js` | 260 |
 
-Total in `public/js/`: **32,001 lines in 44 files**. The symbol-to-line index lives in `tools/eval/ARCH.md`.
+Total in `public/js/`: **32,554 lines in 45 files**. The symbol-to-line index lives in `tools/eval/ARCH.md`.
 
 > Block generated by `node tools/gen-docs.mjs`. Source: ``wc -l public/js/*.js``
 
diff --git a/docs/i18n/en/docusaurus-plugin-content-docs/current/colaborar.md b/docs/i18n/en/docusaurus-plugin-content-docs/current/colaborar.md
index ad72a3a1d..f5e21e013 100644
--- a/docs/i18n/en/docusaurus-plugin-content-docs/current/colaborar.md
+++ b/docs/i18n/en/docusaurus-plugin-content-docs/current/colaborar.md
@@ -17,7 +17,7 @@ The number below is not rhetoric, and it is not hand-written: it comes from `git
 
 {/* BEGIN:GERADO:pessoas — não edite à mão, rode `npm run docs` */}
 
-**11 human author identities** sign commits in this branch: `ruben-cytonic`, `Ruben`, `Emerson Garrido`, `rubenmarcus`, `Ruben Marcus`, `William Oliveira`, `Juan Versolato Lopes`, `daeeseD`, `matheusgb`, `Maná Soares`, `daltonfontes`. Automated identities are excluded. A Git author name is not necessarily one unique person.
+**12 human author identities** sign commits in this branch: `ruben-cytonic`, `Ruben`, `Emerson Garrido`, `rubenmarcus`, `Ruben Marcus`, `William Oliveira`, `Juan Versolato Lopes`, `daeeseD`, `matheusgb`, `Maná Soares`, `daltonfontes`, `usantos`. Automated identities are excluded. A Git author name is not necessarily one unique person.
 
 > Block generated by `node tools/gen-docs.mjs`. Source: `git shortlog -sn --no-merges (descontando autores que são agentes)`
 
@@ -263,8 +263,9 @@ The registry, generated from the `MAPS` of `public/js/maps.js`:
 | `parque_treta` | Parque da Treta | **capture** | `map_parque.js` | 402 |
 | `velho_oeste` | Velho Oeste da Treta | **capture** | `map_velho_oeste.js` | 433 |
 | `penitenciaria` | Penitenciária da Treta | **capture** | `map_penitenciaria.js` | 247 |
+| `treta_vietnan` | Treta no Vietnã | rounds | `map_treta_vietnan.js` | 547 |
 
-**12 registered maps** - 2 open in rounds and 10 in capture. `ctfMode` sets the initial mode; it does not lock it. There are 14 `map_*.js` files on disk, so a file alone does **not** make a map playable.
+**13 registered maps** - 3 open in rounds and 10 in capture. `ctfMode` sets the initial mode; it does not lock it. There are 15 `map_*.js` files on disk, so a file alone does **not** make a map playable.
 
 > Block generated by `node tools/gen-docs.mjs`. Source: `objeto MAPS de public/js/maps.js`
 
diff --git a/docs/i18n/en/docusaurus-plugin-content-docs/current/comecando.md b/docs/i18n/en/docusaurus-plugin-content-docs/current/comecando.md
index 05aebf9ed..52a10ef81 100644
--- a/docs/i18n/en/docusaurus-plugin-content-docs/current/comecando.md
+++ b/docs/i18n/en/docusaurus-plugin-content-docs/current/comecando.md
@@ -41,17 +41,17 @@ this page was aging at the very first commit — see
 
 | What | How much | Where to check |
 |---|---:|---|
-| Game code | 32,001 lines in 44 files | `git ls-files public/js/*.js \| xargs wc -l` |
+| Game code | 32,554 lines in 45 files | `git ls-files public/js/*.js \| xargs wc -l` |
 | `game.js` | **6,910** lines | `wc -l public/js/game.js` |
-| `main.js` | 2,698 lines | `wc -l public/js/main.js` |
+| `main.js` | 2,702 lines | `wc -l public/js/main.js` |
 | Weapons with GLB | 26 | `git ls-files 'public/models/weapons/*.glb' \| wc -l` |
 | Character GLBs | 45 | `git ls-files 'public/models/characters/*.glb' \| wc -l` |
 | Props in GLB | 108 | `git ls-files 'public/models/props/*.glb' \| wc -l` |
 | Versioned animation clips | 573 | `git ls-files public/models/anims \| wc -l` |
 | Playable characters | 44, in 5 factions | `CHARACTERS` array in `characters.js` |
-| Maps in the registry | 12 | `MAPS` object in `maps.js` |
+| Maps in the registry | 13 | `MAPS` object in `maps.js` |
 | Visual harnesses in HTML | 15 | `git ls-files 'public/*.html' \| wc -l` |
-| Harness scripts | 201 | `git ls-files 'tools/eval/*.mjs' 'tools/eval/*.py' \| wc -l` |
+| Harness scripts | 202 | `git ls-files 'tools/eval/*.mjs' 'tools/eval/*.py' \| wc -l` |
 | Pipeline scripts | 55 | `git ls-files 'tools/*.mjs' \| wc -l` |
 | Written entry tasks | 26 | `git ls-files 'docs/issues/[0-9]*.md' \| wc -l` |
 | Version | `2.0.0-alpha.184` | `public/js/version.js` and `package.json` (match) |
@@ -68,7 +68,7 @@ And the match rules that move around the most, all read from the constants in
 | Rule | Value | Constant |
 |---|---|---|
 | Factions · characters | 5 · 44 (B 9 · C 9 · E 8 · F 9 · U 9) | `CHARACTERS` |
-| Maps in the menu | 12 - 2 open in rounds, **10 in capture** | `MAPS` / `ctfMode` |
+| Maps in the menu | 13 - 3 open in rounds, **10 in capture** | `MAPS` / `ctfMode` |
 | Respawn | 2.2 s | `RESPAWN_DELAY` |
 | Round | 99 s, 3 wins | `ROUND_TIME` / `ROUNDS_TO_WIN` |
 | Capture | target = **all flags on the map**, 2 rounds (480 s safety net) | `capsToWin = ctfPts.length` / `CTF_ROUNDS_TO_WIN` |
@@ -235,8 +235,9 @@ The maps registered today, and which mode each one opens in:
 | `parque_treta` | Parque da Treta | **capture** | `map_parque.js` | 402 |
 | `velho_oeste` | Velho Oeste da Treta | **capture** | `map_velho_oeste.js` | 433 |
 | `penitenciaria` | Penitenciária da Treta | **capture** | `map_penitenciaria.js` | 247 |
+| `treta_vietnan` | Treta no Vietnã | rounds | `map_treta_vietnan.js` | 547 |
 
-**12 registered maps** - 2 open in rounds and 10 in capture. `ctfMode` sets the initial mode; it does not lock it. There are 14 `map_*.js` files on disk, so a file alone does **not** make a map playable.
+**13 registered maps** - 3 open in rounds and 10 in capture. `ctfMode` sets the initial mode; it does not lock it. There are 15 `map_*.js` files on disk, so a file alone does **not** make a map playable.
 
 > Block generated by `node tools/gen-docs.mjs`. Source: `objeto MAPS de public/js/maps.js`
 
diff --git a/docs/i18n/en/docusaurus-plugin-content-docs/current/quality-gates.md b/docs/i18n/en/docusaurus-plugin-content-docs/current/quality-gates.md
index 2a6ea015a..b56f29e01 100644
--- a/docs/i18n/en/docusaurus-plugin-content-docs/current/quality-gates.md
+++ b/docs/i18n/en/docusaurus-plugin-content-docs/current/quality-gates.md
@@ -18,7 +18,7 @@ PR (`.github/workflows/ci.yml`).
 {/* BEGIN:GERADO:invariantes — não edite à mão, rode `npm run docs` */}
 
 - `tools/eval/invariants.mjs`: **2,275 lines**, **65 declared invariant identifiers**, with **28** declared `skip()` paths.
-- The harness contains **201 scripts** in `tools/eval/`, plus **55 pipeline scripts** in `tools/`.
+- The harness contains **202 scripts** in `tools/eval/`, plus **55 pipeline scripts** in `tools/`.
 - The number of critical checks in one run depends on the inputs present on that machine; dated results belong in `KNOWN-BUGS.md`.
 
 ```bash
diff --git a/docs/i18n/en/docusaurus-plugin-content-docs/current/stack.md b/docs/i18n/en/docusaurus-plugin-content-docs/current/stack.md
index fa6e23626..0c5a0220a 100644
--- a/docs/i18n/en/docusaurus-plugin-content-docs/current/stack.md
+++ b/docs/i18n/en/docusaurus-plugin-content-docs/current/stack.md
@@ -20,7 +20,7 @@ from `package.json`, `docs/package.json` and the vendored Three.js itself.
 | Layer | Tool | Version |
 |---|---|---|
 | 3D engine (WebGL) | **Three.js**, vendored | `r160` |
-| Game | vanilla ES modules, **zero build** | 44 files |
+| Game | vanilla ES modules, **zero build** | 45 files |
 | Site | **Astro** with SSR | `^7.1.1` |
 | Hosting | **Vercel** adapter | `^11.0.6` |
 | Database | **managed Postgres** (RLS; private schema) | `^2.110.7` |
diff --git a/public/img/map-previews/treta_vietnan.jpg b/public/img/map-previews/treta_vietnan.jpg
new file mode 100644
index 000000000..988d2fcbe
Binary files /dev/null and b/public/img/map-previews/treta_vietnan.jpg differ
diff --git a/public/js/main.js b/public/js/main.js
index 06dddff33..f7dd43551 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -1579,6 +1579,7 @@ const MAP_DESC = {
   penitenciaria: 'Rebelião no pátio: celas abertas, concreto gasto, guaritas e barricadas policiais entre três rotas de confronto.',
   upa_24h: 'Pronto-socorro lotado: salas de verdade, corredor em cruz e treta no fluorescente — 100% interno.',
   obras_prefeitura: 'Canteiro de obra eterna: terreno ondulado, buracos de escavação, tapumes e a treta do desvio de verba.',
+  treta_vietnan: 'Selva úmida, vilarejo de madeira e guaritas elevadas: domine as rampas para controlar o campo de batalha.',
 };
 /* Categoria é LISTA: um mapa pode ser ARENA e COMUNIDADE ao mesmo tempo.
  * 'AI' entra aqui no dia em que o primeiro mapa de agente chegar — o filtro,
@@ -1593,6 +1594,7 @@ const MAP_CATS = {
   penitenciaria: ['ARENA', 'COMUNIDADE'],
   upa_24h: ['ARENA', 'COMUNIDADE'],
   obras_prefeitura: ['ARENA', 'COMUNIDADE'],
+  treta_vietnan: ['ARENA', 'COMUNIDADE'],
 };
 const MAP_AUTOR = {
   praca_poderes: 'Ruben Marcus', loja_h: 'Ruben Marcus',
@@ -1600,6 +1602,7 @@ const MAP_AUTOR = {
   piscina_treta: 'Dalton Fontes', posto_treta: 'Emerson Garrido',
   parque_treta: 'Ubiracy Santos', velho_oeste: 'Ubiracy Santos', penitenciaria: 'Ubiracy Santos',
   upa_24h: 'Emerson Garrido', obras_prefeitura: 'Emerson Garrido',
+  treta_vietnan: 'Ubiracy Santos',
 };
 const MAP_DATA = {
   praca_poderes: '19/07/2026', loja_h: '31/07/2026', ferro_velho: '31/07/2026',
@@ -1607,6 +1610,7 @@ const MAP_DATA = {
   piscina_treta: '17/07/2026', posto_treta: '13/08/2026',
   parque_treta: '17/08/2026', velho_oeste: '17/08/2026', penitenciaria: '17/08/2026',
   upa_24h: '13/08/2026', obras_prefeitura: '13/08/2026',
+  treta_vietnan: '18/08/2026',
 };
 const CAT_DESC = {
   TODOS: 'O acervo inteiro, do mais jogado ao menos jogado.',
diff --git a/public/js/map_treta_vietnan.js b/public/js/map_treta_vietnan.js
new file mode 100644
index 000000000..ac63b15bc
--- /dev/null
+++ b/public/js/map_treta_vietnan.js
@@ -0,0 +1,547 @@
+// Treta no Vietnã — arena de selva úmida com vilarejo e guaritas elevadas.
+// Materiais são procedurais e originais; o pacote GoldSrc anexado serviu só de referência.
+import * as THREE from 'three';
+
+const HALF = 42;
+const TOWER_TOP = 3.2;
+
+function canvasTexture(draw, repeatX = 1, repeatY = 1) {
+  const canvas = document.createElement('canvas');
+  canvas.width = canvas.height = 256;
+  const ctx = canvas.getContext('2d');
+  draw(ctx, canvas.width, canvas.height);
+  const texture = new THREE.CanvasTexture(canvas);
+  texture.colorSpace = THREE.SRGBColorSpace;
+  texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
+  texture.repeat.set(repeatX, repeatY);
+  texture.anisotropy = 4;
+  return texture;
+}
+
+function seededNoise(seed) {
+  let n = seed >>> 0;
+  return () => {
+    n = (n * 1664525 + 1013904223) >>> 0;
+    return n / 4294967296;
+  };
+}
+
+function makeLeafTextures() {
+  const canvas = document.createElement('canvas');
+  canvas.width = canvas.height = 256;
+  const ctx = canvas.getContext('2d');
+  const rnd = seededNoise(1973);
+  ctx.fillStyle = '#849772';
+  ctx.fillRect(0, 0, 256, 256);
+  ctx.beginPath();
+  ctx.moveTo(128, 15);
+  ctx.bezierCurveTo(202, 48, 221, 151, 128, 241);
+  ctx.bezierCurveTo(35, 151, 54, 48, 128, 15);
+  ctx.closePath();
+  ctx.save();
+  ctx.clip();
+  const gradient = ctx.createLinearGradient(42, 20, 210, 235);
+  gradient.addColorStop(0, '#d5e2bd');
+  gradient.addColorStop(0.48, '#9eb57d');
+  gradient.addColorStop(1, '#6f8956');
+  ctx.fillStyle = gradient;
+  ctx.fillRect(0, 0, 256, 256);
+  for (let i = 0; i < 180; i++) {
+    const shade = 95 + Math.floor(rnd() * 90);
+    ctx.fillStyle = `rgba(${shade},${shade + 12},${shade - 8},${0.05 + rnd() * 0.13})`;
+    ctx.beginPath();
+    ctx.ellipse(rnd() * 256, rnd() * 256, 2 + rnd() * 9, 1 + rnd() * 5, rnd() * Math.PI, 0, Math.PI * 2);
+    ctx.fill();
+  }
+  ctx.restore();
+  for (let i = 0; i < 58; i++) {
+    const x = rnd() * 256, y = rnd() * 256, angle = rnd() * Math.PI;
+    ctx.save();
+    ctx.translate(x, y); ctx.rotate(angle);
+    ctx.fillStyle = `rgba(${82 + rnd() * 55},${105 + rnd() * 65},${66 + rnd() * 42},${0.12 + rnd() * 0.2})`;
+    ctx.beginPath(); ctx.ellipse(0, 0, 3 + rnd() * 8, 1.2 + rnd() * 3.5, 0, 0, Math.PI * 2); ctx.fill();
+    ctx.strokeStyle = 'rgba(45,63,35,.32)'; ctx.lineWidth = 0.8;
+    ctx.beginPath(); ctx.moveTo(-5, 0); ctx.lineTo(5, 0); ctx.stroke();
+    ctx.restore();
+  }
+  ctx.strokeStyle = 'rgba(46,66,32,.75)';
+  ctx.lineWidth = 5;
+  ctx.beginPath(); ctx.moveTo(128, 232); ctx.quadraticCurveTo(122, 124, 128, 23); ctx.stroke();
+  ctx.lineWidth = 2;
+  for (let y = 48; y <= 205; y += 23) {
+    const reach = 39 + (1 - Math.abs(y - 128) / 128) * 31;
+    ctx.beginPath(); ctx.moveTo(126, y + 8); ctx.quadraticCurveTo(91, y - 4, 128 - reach, y - 16); ctx.stroke();
+    ctx.beginPath(); ctx.moveTo(128, y + 8); ctx.quadraticCurveTo(165, y - 5, 128 + reach, y - 17); ctx.stroke();
+  }
+  ctx.strokeStyle = 'rgba(222,232,197,.42)';
+  ctx.lineWidth = 2;
+  ctx.stroke();
+
+  const color = new THREE.CanvasTexture(canvas);
+  color.colorSpace = THREE.SRGBColorSpace;
+  color.anisotropy = 4;
+  const bump = new THREE.CanvasTexture(canvas);
+  bump.colorSpace = THREE.NoColorSpace;
+  bump.anisotropy = 4;
+  return { color, bump };
+}
+
+function makeWarSkyTexture() {
+  const canvas = document.createElement('canvas');
+  canvas.width = 1024; canvas.height = 512;
+  const ctx = canvas.getContext('2d');
+  const rnd = seededNoise(1968);
+  const dusk = ctx.createLinearGradient(0, 0, 0, 512);
+  dusk.addColorStop(0, '#111820');
+  dusk.addColorStop(0.48, '#273039');
+  dusk.addColorStop(0.78, '#4b4c47');
+  dusk.addColorStop(1, '#75634c');
+  ctx.fillStyle = dusk; ctx.fillRect(0, 0, 1024, 512);
+  ctx.save();
+  ctx.filter = 'blur(24px)';
+  for (let layer = 0; layer < 4; layer++) {
+    const yBase = 78 + layer * 76;
+    for (let i = 0; i < 78; i++) {
+      const shade = 17 + layer * 9 + Math.floor(rnd() * 18);
+      ctx.fillStyle = `rgba(${shade},${shade + 6},${shade + 9},${0.10 + rnd() * 0.18})`;
+      ctx.beginPath();
+      ctx.ellipse(rnd() * 1024, yBase + (rnd() - 0.5) * 110,
+        28 + rnd() * 110, 12 + rnd() * 38, rnd() * 0.22, 0, Math.PI * 2);
+      ctx.fill();
+    }
+  }
+  ctx.restore();
+  for (let i = 0; i < 145; i++) {
+    const x = rnd() * 1024, y = 250 + rnd() * 230;
+    ctx.strokeStyle = `rgba(182,194,195,${0.025 + rnd() * 0.045})`;
+    ctx.lineWidth = 1;
+    ctx.beginPath(); ctx.moveTo(x, y); ctx.lineTo(x - 7, y + 19 + rnd() * 23); ctx.stroke();
+  }
+  const texture = new THREE.CanvasTexture(canvas);
+  texture.colorSpace = THREE.SRGBColorSpace;
+  texture.wrapS = THREE.RepeatWrapping;
+  texture.anisotropy = 2;
+  return texture;
+}
+
+function makeMaterials() {
+  const dirt = canvasTexture((ctx, w, h) => {
+    const rnd = seededNoise(1948);
+    ctx.fillStyle = '#625039'; ctx.fillRect(0, 0, w, h);
+    for (let i = 0; i < 1250; i++) {
+      const light = 45 + Math.floor(rnd() * 36);
+      ctx.fillStyle = `rgba(${light + 25},${light + 17},${light},${0.08 + rnd() * 0.16})`;
+      const r = 1 + rnd() * 5;
+      ctx.fillRect(rnd() * w, rnd() * h, r * 2.4, r);
+    }
+    for (let i = 0; i < 58; i++) {
+      ctx.fillStyle = `rgba(${48 + rnd() * 20},${72 + rnd() * 24},${35 + rnd() * 14},${0.10 + rnd() * 0.16})`;
+      ctx.beginPath(); ctx.ellipse(rnd() * w, rnd() * h, 5 + rnd() * 20, 3 + rnd() * 12, rnd() * Math.PI, 0, Math.PI * 2); ctx.fill();
+    }
+  }, 11, 11);
+  const wood = canvasTexture((ctx, w, h) => {
+    const rnd = seededNoise(1969);
+    ctx.fillStyle = '#6f4a28'; ctx.fillRect(0, 0, w, h);
+    for (let x = 0; x < w; x += 32) {
+      ctx.fillStyle = x % 64 ? '#76502d' : '#644222'; ctx.fillRect(x, 0, 29, h);
+      ctx.fillStyle = 'rgba(30,18,9,.42)'; ctx.fillRect(x + 28, 0, 4, h);
+      for (let i = 0; i < 10; i++) {
+        ctx.strokeStyle = `rgba(38,20,8,${0.12 + rnd() * 0.18})`; ctx.lineWidth = 1 + rnd() * 2;
+        ctx.beginPath(); ctx.moveTo(x + 3, rnd() * h); ctx.bezierCurveTo(x + 10, rnd() * h, x + 20, rnd() * h, x + 26, rnd() * h); ctx.stroke();
+      }
+    }
+  }, 3, 2);
+  const bamboo = canvasTexture((ctx, w, h) => {
+    ctx.fillStyle = '#a39256'; ctx.fillRect(0, 0, w, h);
+    for (let x = 0; x < w; x += 18) {
+      ctx.fillStyle = x % 36 ? '#b8a767' : '#958348'; ctx.fillRect(x, 0, 14, h);
+      ctx.fillStyle = 'rgba(43,45,20,.45)'; ctx.fillRect(x + 14, 0, 4, h);
+      for (let y = 18; y < h; y += 50) { ctx.fillStyle = 'rgba(60,55,24,.55)'; ctx.fillRect(x, y, 15, 4); }
+    }
+  }, 4, 2);
+  const metal = canvasTexture((ctx, w, h) => {
+    const rnd = seededNoise(1975);
+    ctx.fillStyle = '#6f765f'; ctx.fillRect(0, 0, w, h);
+    for (let x = 0; x < w; x += 20) {
+      ctx.fillStyle = x % 40 ? '#7f856c' : '#626956'; ctx.fillRect(x, 0, 17, h);
+      ctx.fillStyle = 'rgba(25,29,24,.35)'; ctx.fillRect(x + 17, 0, 3, h);
+    }
+    for (let i = 0; i < 75; i++) {
+      ctx.fillStyle = `rgba(112,52,25,${0.16 + rnd() * 0.25})`;
+      ctx.beginPath(); ctx.arc(rnd() * w, rnd() * h, 2 + rnd() * 8, 0, Math.PI * 2); ctx.fill();
+    }
+  }, 4, 2);
+  const stone = canvasTexture((ctx, w, h) => {
+    const rnd = seededNoise(1972);
+    ctx.fillStyle = '#777968'; ctx.fillRect(0, 0, w, h);
+    ctx.strokeStyle = 'rgba(37,40,31,.5)'; ctx.lineWidth = 5;
+    for (let y = 0; y <= h; y += 42) {
+      ctx.beginPath(); ctx.moveTo(0, y); ctx.lineTo(w, y); ctx.stroke();
+      const off = (Math.floor(y / 42) % 2) * 31;
+      for (let x = off; x < w; x += 64) { ctx.beginPath(); ctx.moveTo(x, y); ctx.lineTo(x, y + 42); ctx.stroke(); }
+    }
+    for (let i = 0; i < 150; i++) { ctx.fillStyle = `rgba(175,170,135,${rnd() * 0.12})`; ctx.fillRect(rnd() * w, rnd() * h, 4, 3); }
+  }, 3, 2);
+
+  const foliage = makeLeafTextures();
+  const woodBump = wood.clone(); woodBump.colorSpace = THREE.NoColorSpace;
+  const bambooBump = bamboo.clone(); bambooBump.colorSpace = THREE.NoColorSpace;
+  const leafMaterial = (color) => new THREE.MeshStandardMaterial({
+    color, map: foliage.color, bumpMap: foliage.bump, bumpScale: 0.055,
+    roughness: 0.88, metalness: 0, side: THREE.DoubleSide,
+  });
+  const lam = (map, color = 0xffffff) => new THREE.MeshLambertMaterial({ map, color });
+  return {
+    dirt: lam(dirt, 0xa59b8c), wood: lam(wood, 0xb89570), bamboo: lam(bamboo), metal: lam(metal), stone: lam(stone),
+    towerWood: new THREE.MeshStandardMaterial({ map: wood, bumpMap: woodBump, bumpScale: 0.075, color: 0xa17a59, roughness: 0.92, metalness: 0 }),
+    towerBamboo: new THREE.MeshStandardMaterial({ map: bamboo, bumpMap: bambooBump, bumpScale: 0.055, color: 0xa29575, roughness: 0.9, metalness: 0 }),
+    mud: new THREE.MeshLambertMaterial({ color: 0x443a25 }),
+    darkWood: new THREE.MeshLambertMaterial({ color: 0x392719 }),
+    sandbag: new THREE.MeshLambertMaterial({ color: 0x8e8259 }),
+    leaf: leafMaterial(0x315b27),
+    leafLight: leafMaterial(0x4d7835),
+    trunk: new THREE.MeshLambertMaterial({ color: 0x49351f }),
+    water: new THREE.MeshLambertMaterial({ color: 0x536f50, transparent: true, opacity: 0.78 }),
+    black: new THREE.MeshLambertMaterial({ color: 0x20231f }),
+    steel: new THREE.MeshLambertMaterial({ color: 0x626963 }),
+    smoke: new THREE.MeshLambertMaterial({ color: 0x303638, transparent: true, opacity: 0.12, depthWrite: false }),
+  };
+}
+
+export function buildTretaVietnam(scene) {
+  const root = new THREE.Group();
+  root.name = 'treta-no-vietnan';
+  scene.add(root);
+  const colliders = [], occluders = [], pickups = [];
+  const M = makeMaterials();
+  const sky = new THREE.Mesh(new THREE.SphereGeometry(145, 32, 16), new THREE.MeshBasicMaterial({
+    map: makeWarSkyTexture(), side: THREE.BackSide, fog: false, depthWrite: false,
+  }));
+  sky.name = 'ceu-tempestade-vietnan'; sky.renderOrder = -1000; scene.add(sky);
+  const boxGeometries = new Map();
+
+  function addBox(w, h, d, mat, x, y, z, opts = {}) {
+    const geometryKey = `${w}:${h}:${d}`;
+    let geometry = boxGeometries.get(geometryKey);
+    if (!geometry) { geometry = new THREE.BoxGeometry(w, h, d); boxGeometries.set(geometryKey, geometry); }
+    const mesh = new THREE.Mesh(geometry, mat);
+    mesh.position.set(x, y + h / 2, z);
+    if (opts.rx) mesh.rotation.x = opts.rx;
+    if (opts.ry) mesh.rotation.y = opts.ry;
+    if (opts.rz) mesh.rotation.z = opts.rz;
+    mesh.castShadow = opts.cast !== false; mesh.receiveShadow = true;
+    mesh.name = opts.name || '';
+    root.add(mesh);
+    if (opts.occlude !== false) occluders.push(mesh);
+    if (opts.collide !== false) {
+      const ex = opts.ex ?? (opts.ry ? Math.abs(Math.cos(opts.ry)) * w / 2 + Math.abs(Math.sin(opts.ry)) * d / 2 : w / 2);
+      const ez = opts.ez ?? (opts.ry ? Math.abs(Math.sin(opts.ry)) * w / 2 + Math.abs(Math.cos(opts.ry)) * d / 2 : d / 2);
+      colliders.push({ minX: x - ex, maxX: x + ex, minY: y, maxY: y + h, minZ: z - ez, maxZ: z + ez });
+    }
+    return mesh;
+  }
+
+  function addCylinder(rt, rb, h, seg, mat, x, y, z, collide = false) {
+    const mesh = new THREE.Mesh(new THREE.CylinderGeometry(rt, rb, h, seg), mat);
+    mesh.position.set(x, y + h / 2, z); mesh.castShadow = true; mesh.receiveShadow = true; root.add(mesh);
+    occluders.push(mesh);
+    if (collide) colliders.push({ minX: x - rb, maxX: x + rb, minY: y, maxY: y + h, minZ: z - rb, maxZ: z + rb });
+    return mesh;
+  }
+
+  const ground = new THREE.Mesh(new THREE.PlaneGeometry(HALF * 2, HALF * 2), M.dirt);
+  ground.rotation.x = -Math.PI / 2; ground.receiveShadow = true; ground.name = 'terra-selva'; root.add(ground);
+  const stream = new THREE.Mesh(new THREE.PlaneGeometry(7, 62), M.water);
+  stream.rotation.x = -Math.PI / 2; stream.position.set(0, 0.025, 0); root.add(stream);
+  for (const z of [-28, -9, 10, 29]) {
+    addBox(9, 0.22, 3.2, M.wood, 0, 0.02, z, { collide: false, name: 'ponte-madeira' });
+    for (const x of [-3.8, 3.8]) addBox(0.18, 0.8, 3.2, M.darkWood, x, 0.2, z, { collide: false, occlude: false });
+  }
+
+  addBox(HALF * 2 + 2, 2.6, 1.1, M.stone, 0, 0, -HALF - 0.5);
+  addBox(HALF * 2 + 2, 2.6, 1.1, M.stone, 0, 0, HALF + 0.5);
+  addBox(1.1, 2.6, HALF * 2, M.stone, -HALF - 0.5, 0, 0);
+  addBox(1.1, 2.6, HALF * 2, M.stone, HALF + 0.5, 0, 0);
+
+  function hut(x, z, ry = 0) {
+    const group = new THREE.Group(); group.position.set(x, 0, z); group.rotation.y = ry; root.add(group);
+    const part = (w, h, d, mat, px, py, pz) => {
+      const m = new THREE.Mesh(new THREE.BoxGeometry(w, h, d), mat); m.position.set(px, py + h / 2, pz); m.castShadow = true; m.receiveShadow = true; group.add(m); occluders.push(m); return m;
+    };
+    part(7.2, 0.12, 5.2, M.wood, 0, 0.02, 0);
+    for (const px of [-3.1, 3.1]) for (const pz of [-2.1, 2.1]) part(0.35, 0.18, 0.35, M.darkWood, px, 0, pz);
+    part(0.35, 2.8, 5.2, M.bamboo, -3.45, 0.14, 0);
+    part(0.35, 2.8, 5.2, M.bamboo, 3.45, 0.14, 0);
+    part(4.8, 2.8, 0.35, M.bamboo, -1.2, 0.14, -2.45);
+    part(1.4, 2.8, 0.35, M.bamboo, 2.9, 0.14, -2.45);
+    part(7.5, 0.22, 3.2, M.metal, 0, 3.08, -1.55).rotation.x = -0.23;
+    part(7.5, 0.22, 3.2, M.metal, 0, 3.08, 1.55).rotation.x = 0.23;
+    const cs = Math.cos(ry), sn = Math.sin(ry);
+    const collider = (lx, lz, hx, hz, h = 3.8) => {
+      const wx = x + lx * cs + lz * sn, wz = z - lx * sn + lz * cs;
+      colliders.push({ minX: wx - hx, maxX: wx + hx, minY: 0, maxY: h, minZ: wz - hz, maxZ: wz + hz });
+    };
+    collider(-3.45, 0, 0.35, 2.6); collider(3.45, 0, 0.35, 2.6);
+    collider(-1.2, -2.45, 2.4, 0.35); collider(2.9, -2.45, 0.7, 0.35);
+  }
+  hut(-13, -16, 0.12); hut(14, 15, Math.PI + 0.12); hut(-14, 15, Math.PI - 0.08); hut(13, -16, -0.08);
+
+  function spawnPalisade(z, direction) {
+    for (let i = 0; i < 4; i++) {
+      const x = -12 + i * 8;
+      const offsetZ = (i % 2 ? 0.55 : -0.55) * direction;
+      addBox(5.6, 2.35, 0.48, M.bamboo, x, 0, z + offsetZ, { name: 'barreira-spawn-bambu' });
+      addBox(5.9, 0.16, 0.18, M.darkWood, x, 0.45, z + offsetZ - 0.27 * direction,
+        { collide: false, occlude: false, name: 'travessa-barreira-spawn' });
+      addBox(5.9, 0.16, 0.18, M.darkWood, x, 1.65, z + offsetZ - 0.27 * direction,
+        { collide: false, occlude: false, name: 'travessa-barreira-spawn' });
+    }
+  }
+  spawnPalisade(-32, 1);
+  spawnPalisade(32, -1);
+
+  function sandbagWall(x, z, count, alongX, ry = 0) {
+    for (let i = 0; i < count; i++) {
+      const offset = (i - (count - 1) / 2) * 1.25;
+      const px = x + (alongX ? offset : 0), pz = z + (alongX ? 0 : offset);
+      const bag = new THREE.Mesh(new THREE.CapsuleGeometry(0.42, 0.72, 3, 7), M.sandbag);
+      bag.rotation.z = Math.PI / 2; bag.rotation.y = ry; bag.scale.z = 0.68;
+      bag.position.set(px, 0.38, pz); bag.castShadow = true; bag.receiveShadow = true; root.add(bag); occluders.push(bag);
+    }
+    const w = alongX ? count * 1.25 : 0.9, d = alongX ? 0.9 : count * 1.25;
+    colliders.push({ minX: x - w / 2, maxX: x + w / 2, minY: 0, maxY: 0.85, minZ: z - d / 2, maxZ: z + d / 2 });
+  }
+  sandbagWall(-9, -3, 6, true); sandbagWall(10, 3, 6, true);
+  sandbagWall(-20, 5, 5, false, Math.PI / 2); sandbagWall(21, -6, 5, false, Math.PI / 2);
+  sandbagWall(-5, 27, 5, true); sandbagWall(6, -28, 5, true);
+
+  function crate(x, z, size = 1.8, h = 1.6) {
+    const m = addBox(size, h, size, M.wood, x, 0, z, { name: 'caixa-suprimentos' });
+    for (const y of [0.18, h - 0.18]) {
+      addBox(size + 0.05, 0.14, 0.12, M.darkWood, x, y, z + size / 2 + 0.02, { collide: false, occlude: false });
+      addBox(size + 0.05, 0.14, 0.12, M.darkWood, x, y, z - size / 2 - 0.02, { collide: false, occlude: false });
+    }
+    return m;
+  }
+  [[-7,-27],[8,27],[-24,-18],[24,18],[-7,7],[8,-8],[-30,18],[30,-19]].forEach(([x,z], i) => crate(x, z, i % 3 ? 1.7 : 2.1, i % 2 ? 1.45 : 1.8));
+  [
+    [-17,-29],[-12,-23],[-3,-30],[4,-25],[12,-30],[18,-23],
+    [-18,23],[-12,30],[-4,25],[3,30],[12,23],[17,29],
+  ].forEach(([x,z], i) => crate(x, z, 1.35 + (i % 2) * 0.2, 1.05 + (i % 3) * 0.12));
+
+  function tree(x, z, scale = 1) {
+    addCylinder(0.26 * scale, 0.38 * scale, 4.8 * scale, 7, M.trunk, x, 0, z, true);
+    for (let i = 0; i < 3; i++) {
+      const crown = new THREE.Mesh(new THREE.DodecahedronGeometry((1.65 - i * 0.15) * scale, 1), i % 2 ? M.leafLight : M.leaf);
+      crown.position.set(x + (i - 1) * 0.65 * scale, (4.3 + i * 0.55) * scale, z + (i % 2 ? 0.55 : -0.35) * scale);
+      crown.scale.y = 0.72; crown.castShadow = true; root.add(crown);
+    }
+  }
+  function undergrowth(x, z, scale = 1) {
+    const group = new THREE.Group(); group.position.set(x, 0.05, z); root.add(group);
+    for (let i = 0; i < 7; i++) {
+      const leaf = new THREE.Mesh(new THREE.ConeGeometry(0.28 * scale, (0.9 + (i % 3) * 0.18) * scale, 4), i % 2 ? M.leafLight : M.leaf);
+      const a = i * Math.PI * 2 / 7;
+      leaf.position.set(Math.cos(a) * 0.32 * scale, 0.35 * scale, Math.sin(a) * 0.32 * scale);
+      leaf.rotation.z = (i % 2 ? 0.38 : -0.34); leaf.rotation.y = -a; leaf.castShadow = true; group.add(leaf);
+    }
+  }
+  function rock(x, z, sx = 1, sy = 1, sz = 1) {
+    const mesh = new THREE.Mesh(new THREE.DodecahedronGeometry(1.15, 0), M.stone);
+    mesh.scale.set(sx, sy, sz); mesh.position.set(x, sy * 0.85, z); mesh.rotation.set(0.12, x * 0.17, -0.08);
+    mesh.castShadow = true; mesh.receiveShadow = true; root.add(mesh); occluders.push(mesh);
+    colliders.push({ minX: x - sx, maxX: x + sx, minY: 0, maxY: sy * 1.8, minZ: z - sz, maxZ: z + sz });
+  }
+  const TREES = [[-37,-34],[37,-34],[-37,34],[37,34],[-31,-27],[31,-27],[-31,27],[31,27],[-38,-9],[38,10],[-25,37],[25,-37],[-36,19],[36,-18],[-39,-23],[39,24],[-14,39],[14,-39],[-40,2],[40,-3],[-27,-39],[28,39]];
+  TREES.forEach(([x,z], i) => tree(x, z, 0.85 + (i % 4) * 0.08));
+  const SHRUBS = [
+    [-34,-13],[-33,12],[34,-12],[33,13],[-25,-22],[25,22],[-23,25],[23,-25],
+    [-17,4],[18,-4],[-9,21],[10,-21],[-5,-5],[5,6],[-30,31],[30,-31],
+    [-35,-29],[-29,-34],[-35,-19],[-29,-12],[-36,6],[-29,16],[-35,26],[-27,35],
+    [-18,-34],[-12,-25],[-20,-10],[-11,-2],[-19,11],[-11,24],[-18,33],[-7,30],
+    [18,-34],[12,-25],[20,-10],[11,-2],[19,11],[11,24],[18,33],[7,30],
+    [35,-29],[29,-34],[35,-19],[29,-12],[36,6],[29,16],[35,26],[27,35],
+  ];
+  SHRUBS.forEach(([x,z], i) => undergrowth(x, z, 0.68 + (i % 4) * 0.12));
+  [[-22,-8,1.4,1.1,1.0],[23,9,1.2,0.9,1.4],[-10,5,1.0,0.75,1.2],[11,-5,1.2,0.85,1.0],[-34,24,1.5,1.2,1.2],[34,-25,1.4,1.0,1.5]].forEach((v) => rock(...v));
+  [
+    [-35,-31],[-30,-24],[-24,-35],[-36,-22],[-35,31],[-30,24],[-24,35],[-36,21],
+    [35,-31],[30,-24],[24,-35],[36,-21],[35,31],[30,24],[24,35],[36,22],
+    [-34,-14],[-34,14],[34,-14],[34,14],
+    [-17,-9],[-9,-18],[-17,9],[-9,18],[17,-9],[9,-18],[17,9],[9,18],
+    [-7,-35],[7,-35],[-7,35],[7,35],
+    [-30,-6],[-15,-26],[-5,-22],[-14,26],[14,-26],[15,26],[5,22],
+  ].forEach(([x,z], i) => rock(x, z, 0.58 + (i % 3) * 0.12, 0.42 + (i % 2) * 0.14, 0.62 + (i % 4) * 0.08));
+
+  function tower(id, x, z, direction) {
+    const topY = TOWER_TOP;
+    for (const sx of [-1, 1]) for (const sz of [-1, 1]) addBox(0.42, topY, 0.42, M.darkWood, x + sx * 3.2, 0, z + sz * 3.2, { name: `${id}-poste` });
+    const deck = addBox(7.5, 0.35, 7.5, M.towerWood, x, topY - 0.18, z, { collide: false, name: `${id}-piso` });
+    deck.userData.vietnamTower = id;
+    const outerX = x + direction * 3.55;
+    addBox(0.25, 2.2, 7.2, M.towerBamboo, outerX, topY, z, { name: `${id}-parede` });
+    addBox(5.2, 1.15, 0.22, M.towerBamboo, x + direction * 0.8, topY + 1.05, z - 3.48, { name: `${id}-parapeito` });
+    addBox(5.2, 1.15, 0.22, M.towerBamboo, x + direction * 0.8, topY + 1.05, z + 3.48, { name: `${id}-parapeito` });
+    const roof = addBox(8.3, 0.22, 8.3, M.metal, x, topY + 3.25, z, { collide: false, name: `${id}-telhado` });
+    roof.rotation.z = direction * 0.05;
+    const roofBottom = topY + 3.25;
+    for (const sx of [-1, 1]) for (const sz of [-1, 1]) {
+      addBox(0.34, roofBottom - topY, 0.34, M.towerWood, x + sx * 3.2, topY, z + sz * 3.2,
+        { name: `${id}-coluna-telhado` });
+    }
+    for (const sz of [-1, 1]) {
+      addBox(6.75, 0.3, 0.3, M.towerWood, x, roofBottom - 0.3, z + sz * 3.2,
+        { name: `${id}-viga-lateral` });
+      const braceLength = Math.hypot(5.6, 2.7);
+      addBox(braceLength, 0.18, 0.16, M.darkWood, x, topY + 1.35, z + sz * 3.22,
+        { collide: false, occlude: false, rz: sz * Math.atan2(2.7, 5.6), name: `${id}-contraventamento` });
+    }
+    for (const sx of [-1, 1]) {
+      addBox(0.3, 0.3, 6.75, M.towerWood, x + sx * 3.2, roofBottom - 0.3, z,
+        { name: `${id}-viga-lateral` });
+      const braceLength = Math.hypot(5.6, 2.7);
+      addBox(0.16, 0.18, braceLength, M.darkWood, x + sx * 3.22, topY + 1.35, z,
+        { collide: false, occlude: false, rx: sx * Math.atan2(2.7, 5.6), name: `${id}-contraventamento` });
+    }
+
+    const startX = x - direction * 11;
+    const endX = x - direction * 4.0;
+    const run = Math.abs(endX - startX);
+    const length = Math.hypot(run, topY);
+    const slope = Math.atan2(topY, run);
+    const ramp = addBox(length, 0.24, 3.6, M.towerWood, (startX + endX) / 2, topY / 2 - 0.12, z,
+      { collide: false, name: `${id}-rampa`, rz: direction * slope });
+    ramp.userData.vietnamRamp = { towerId: id, start: { x: startX, z }, end: { x: endX, z }, topY };
+    for (const dz of [-1.72, 1.72]) {
+      const rail = addBox(length, 0.16, 0.14, M.darkWood, (startX + endX) / 2, topY / 2 + 0.42, z + dz,
+        { collide: false, occlude: false, rz: direction * slope });
+      rail.castShadow = false;
+    }
+  }
+  tower('guarita-oeste', -30, 0, -1);
+  tower('guarita-leste', 30, 0, 1);
+
+  function smokePlume(x, z, scale = 1) {
+    for (let i = 0; i < 7; i++) {
+      const puff = new THREE.Mesh(new THREE.SphereGeometry((1.2 + i * 0.28) * scale, 12, 8), M.smoke);
+      puff.position.set(x + Math.sin(i * 1.7) * 0.8, 2.1 + i * 1.35, z + Math.cos(i * 1.3) * 0.55);
+      puff.scale.set(1.35, 0.8, 1); puff.rotation.y = i * 0.74; scene.add(puff);
+    }
+  }
+  smokePlume(-37, -17, 0.9);
+  smokePlume(36, 23, 0.72);
+
+  function barrel(x, z, color) {
+    const mat = new THREE.MeshLambertMaterial({ color });
+    const b = addCylinder(0.48, 0.48, 1.15, 16, mat, x, 0, z, true); b.name = 'tambor-metal';
+    for (const y of [0.18, 0.92]) { const ring = new THREE.Mesh(new THREE.TorusGeometry(0.49, 0.035, 6, 16), M.steel); ring.rotation.x = Math.PI / 2; ring.position.set(x, y, z); root.add(ring); }
+  }
+  [[-18,-27,0x3d6042],[18,27,0x766029],[-18,25,0x5d4932],[18,-25,0x3f5650],[-5,-12,0x66552c],[6,12,0x3d6042]].forEach((v) => barrel(...v));
+
+  function insideRamp(r, x, z) {
+    const dx = r.end.x - r.start.x, dz = r.end.z - r.start.z;
+    const len2 = dx * dx + dz * dz;
+    const t = ((x - r.start.x) * dx + (z - r.start.z) * dz) / len2;
+    const px = r.start.x + Math.max(0, Math.min(1, t)) * dx;
+    const pz = r.start.z + Math.max(0, Math.min(1, t)) * dz;
+    return { t, distance: Math.hypot(x - px, z - pz) };
+  }
+  const rampDefs = [
+    { towerId: 'guarita-oeste', start: { x: -19, z: 0 }, end: { x: -26, z: 0 }, topY: TOWER_TOP, platform: { x: -30, z: 0 } },
+    { towerId: 'guarita-leste', start: { x: 19, z: 0 }, end: { x: 26, z: 0 }, topY: TOWER_TOP, platform: { x: 30, z: 0 } },
+  ];
+  function groundHeightAt(x, z) {
+    for (const r of rampDefs) {
+      const p = insideRamp(r, x, z);
+      if (p.t >= 0 && p.t <= 1 && p.distance <= 1.72) return r.topY * p.t;
+      if (Math.abs(x - r.platform.x) <= 3.7 && Math.abs(z - r.platform.z) <= 3.7) return r.topY;
+    }
+    return 0;
+  }
+  const slowAt = (x, z) => Math.abs(x) < 3.25 && Math.abs(z) < 31;
+
+  const gunMat = { dark: M.black, wood: M.darkWood, steel: M.steel };
+  function gun(kind, x, z, yaw = 0) {
+    const g = new THREE.Group();
+    const receiver = new THREE.Mesh(new THREE.BoxGeometry(0.14, 0.16, kind === 'deagle' ? 0.45 : 0.92), gunMat.dark);
+    receiver.position.y = 0.13; g.add(receiver);
+    const stock = new THREE.Mesh(new THREE.BoxGeometry(0.16, 0.22, 0.32), kind === 'ak' || kind === 'shotgun' ? gunMat.wood : gunMat.dark);
+    stock.position.set(0, 0.11, 0.5); g.add(stock);
+    const barrelMesh = new THREE.Mesh(new THREE.CylinderGeometry(0.035, 0.035, kind === 'awp' ? 0.7 : 0.45, 8), gunMat.steel);
+    barrelMesh.rotation.x = Math.PI / 2; barrelMesh.position.set(0, 0.14, -0.62); g.add(barrelMesh);
+    g.position.set(x, groundHeightAt(x, z) + 0.04, z); g.rotation.y = yaw; g.name = `pickup-${kind}`;
+    g.traverse((o) => { if (o.isMesh) o.castShadow = true; }); root.add(g);
+    pickups.push({ x, z, kind, weapon: kind, readyAt: 0, mesh: g });
+  }
+  const arsenal = ['awp', 'ak', 'm4', 'shotgun', 'mp5', 'deagle', 'pistol', 'g3', 'uzi'];
+  arsenal.forEach((kind, i) => gun(kind, -16 + i * 4, -34, 0));
+  arsenal.forEach((kind, i) => gun(kind, 16 - i * 4, 34, Math.PI));
+  gun('ak', -16.5, 0, Math.PI / 2); gun('m4', 16.5, 0, -Math.PI / 2);
+
+  const bounds = { minX: -HALF + 1.5, maxX: HALF - 1.5, minZ: -HALF + 1.5, maxZ: HALF - 1.5 };
+  const nodes = [], adj = [];
+  const STEP = 3;
+  const blocked = (x, z, inflate = 0.48) => colliders.some((c) => x > c.minX - inflate && x < c.maxX + inflate && z > c.minZ - inflate && z < c.maxZ + inflate && c.minY < 1.6 && c.maxY > 0.15);
+  for (let x = -39; x <= 39; x += STEP) for (let z = -39; z <= 39; z += STEP) if (!blocked(x, z)) nodes.push({ x, z });
+  const clear = (a, b) => {
+    for (let k = 1; k < 8; k++) {
+      const t = k / 8;
+      if (blocked(a.x + (b.x - a.x) * t, a.z + (b.z - a.z) * t, 0.28)) return false;
+    }
+    return Math.abs(groundHeightAt(a.x, a.z) - groundHeightAt(b.x, b.z)) <= 1.45;
+  };
+  for (let i = 0; i < nodes.length; i++) adj[i] = [];
+  for (let i = 0; i < nodes.length; i++) {
+    for (let j = i + 1; j < nodes.length; j++) {
+      const dx = nodes[i].x - nodes[j].x, dz = nodes[i].z - nodes[j].z;
+      if (dx * dx + dz * dz <= STEP * STEP * 2.05 && clear(nodes[i], nodes[j])) { adj[i].push(j); adj[j].push(i); }
+    }
+  }
+  function nearestWaypoint(x, z) {
+    let best = 0, bestD = Infinity;
+    for (let i = 0; i < nodes.length; i++) {
+      const dx = nodes[i].x - x, dz = nodes[i].z - z, d = dx * dx + dz * dz;
+      if (d < bestD) { bestD = d; best = i; }
+    }
+    return best;
+  }
+  function findPath(fromIdx, toIdx) {
+    if (fromIdx === toIdx) return [fromIdx];
+    const prev = new Int32Array(nodes.length).fill(-1), queue = [fromIdx]; prev[fromIdx] = fromIdx;
+    for (let h = 0; h < queue.length; h++) {
+      const n = queue[h];
+      for (const next of adj[n]) if (prev[next] < 0) {
+        prev[next] = n;
+        if (next === toIdx) {
+          const path = [next]; let cur = n;
+          while (cur !== fromIdx) { path.unshift(cur); cur = prev[cur]; }
+          path.unshift(fromIdx); return path;
+        }
+        queue.push(next);
+      }
+    }
+    return [fromIdx];
+  }
+
+  scene.background = new THREE.Color(0x1c252d);
+  scene.fog = new THREE.Fog(0x374047, 44, 96);
+  const hemi = new THREE.HemisphereLight(0xabb7bb, 0x2d3328, 1.16); scene.add(hemi);
+  const sun = new THREE.DirectionalLight(0xebdabe, 1.18); sun.position.set(-26, 48, -20); sun.castShadow = true;
+  sun.shadow.mapSize.set(2048, 2048); sun.shadow.camera.left = -50; sun.shadow.camera.right = 50;
+  sun.shadow.camera.top = 50; sun.shadow.camera.bottom = -50; sun.shadow.camera.far = 150; sun.shadow.bias = -0.0004; scene.add(sun);
+
+  const spawns = {
+    E: [-12, -4, 4, 12].map((x) => ({ x, z: -36.5, yaw: 0 })),
+    B: [12, 4, -4, -12].map((x) => ({ x, z: 36.5, yaw: Math.PI })),
+  };
+  return {
+    root, colliders, occluders, decalSolids: [root], spawns, bounds, pickups, sun, hemi,
+    groundHeightAt, slowAt,
+    ctfPoints: [
+      { id: 'E', label: 'TRILHA SUL', x: -14, z: -29 },
+      { id: 'MID', label: 'VILAREJO', x: 8, z: 0 },
+      { id: 'B', label: 'TRILHA NORTE', x: 14, z: 29 },
+    ],
+    waypoints: { nodes, adj }, nearestWaypoint, findPath,
+  };
+}
diff --git a/public/js/maps.js b/public/js/maps.js
index aa52ec31f..8c87c2d3b 100644
--- a/public/js/maps.js
+++ b/public/js/maps.js
@@ -11,6 +11,7 @@ import { buildAtacadao, ATACADAO_PROPS } from './map_atacadao.js';
 import { buildParque } from './map_parque.js';
 import { buildVelhoOeste } from './map_velho_oeste.js';
 import { buildPenitenciaria } from './map_penitenciaria.js';
+import { buildTretaVietnam } from './map_treta_vietnan.js';
 
 /* IDS SEM NOME DE COUNTER-STRIKE (rodada de 11/08).
    ═══════════════════════════════════════════════════════════════════════════════════
@@ -80,6 +81,7 @@ export const MAPS = {
   parque_treta: { name: 'Parque da Treta', build: buildParque, ctfMode: true },
   velho_oeste: { name: 'Velho Oeste da Treta', build: buildVelhoOeste, ctfMode: true },
   penitenciaria: { name: 'Penitenciária da Treta', build: buildPenitenciaria, ctfMode: true },
+  treta_vietnan: { name: 'Treta no Vietnã', build: buildTretaVietnam },
 };
 export const MAP_IDS = Object.keys(MAPS);
 export const DEFAULT_MAP = 'praca_poderes';
diff --git a/src/data/jogo.ts b/src/data/jogo.ts
index 56eac74d6..96f4c2996 100644
--- a/src/data/jogo.ts
+++ b/src/data/jogo.ts
@@ -171,6 +171,14 @@ export const MAPAS: Mapa[] = [
       'impede a rua virar corredor de sniper. Quatro bandeiras: campinho, bar de esquina, ponto de ' +
       'ônibus e praça do baile.',
   },
+  {
+    id: 'treta_vietnan', nome: 'Treta no Vietnã', modo: 'Rounds · padrão', ctf: false,
+    resumo: 'Arena de selva úmida com vilarejo de madeira, barreiras e guaritas elevadas.',
+    detalhe: 'Três rotas atravessam vegetação tropical, cabanas, pontes e coberturas improvisadas. ' +
+      'Duas rampas largas dão acesso às guaritas laterais, criando posições elevadas sobre o centro ' +
+      'sem controlar todas as rotas. O riacho desacelera a travessia central, enquanto ' +
+      'os flancos secos favorecem avanço rápido entre árvores, caixas e barreiras de sacos de areia.',
+  },
 ];
 
 export interface Personagem { faccao: string; nome: string; blurb: string; }
diff --git a/src/pages/maps.astro b/src/pages/maps.astro
index 9eb0acea6..077a8a864 100644
--- a/src/pages/maps.astro
+++ b/src/pages/maps.astro
@@ -52,6 +52,14 @@ const MAP_EN: Record<string, { nome: string; resumo: string; detalhe: string }>
       'that keeps the street from becoming a sniper corridor. Four flags: dirt pitch, corner bar, ' +
       'bus stop and baile square.',
   },
+  treta_vietnan: {
+    nome: 'Fight in Vietnam',
+    resumo: 'A humid jungle arena with a wooden village, barriers and elevated guard towers.',
+    detalhe: 'Three routes cross tropical vegetation, huts, bridges and improvised cover. Two wide ' +
+      'ramps lead to the side guard towers, creating elevated positions over mid without controlling ' +
+      'every route. The stream slows the central crossing, while the dry flanks reward ' +
+      'fast pushes through trees, crates, rocks and sandbag barriers.',
+  },
 };
 const en = (id: string) => MAP_EN[id];
 
diff --git a/tools/eval/vietnam-check.mjs b/tools/eval/vietnam-check.mjs
new file mode 100644
index 000000000..559d65299
--- /dev/null
+++ b/tools/eval/vietnam-check.mjs
@@ -0,0 +1,175 @@
+/* Treta no Vietnã: rampas acessam guaritas, sem degrau invisível nem cenário decorativo.
+ * Mutantes: --mutante=sem-rampa | --mutante=rampa-plana | --mutante=clima-claro | --mutante=sem-estrutura | --mutante=escuro
+ */
+import { existsSync, readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+import { pathToFileURL } from 'node:url';
+import { THREE, initTextures } from './harness.mjs';
+
+const MUTANTE = (process.argv.find((a) => a.startsWith('--mutante=')) || '').split('=')[1] || '';
+const MAP_FILE = resolve('public/js/map_treta_vietnan.js');
+const PREVIEW = resolve('public/img/map-previews/treta_vietnan.jpg');
+const TOWER_TOP = 3.2;
+const falhas = [];
+const ok = (cond, msg) => { if (!cond) falhas.push(msg); };
+
+if (!existsSync(MAP_FILE)) {
+  console.error('VIETNÃ — FALHA\n  V1 arquivo public/js/map_treta_vietnan.js ausente');
+  process.exit(1);
+}
+
+const { buildTretaVietnam } = await import(`${pathToFileURL(MAP_FILE).href}?check=${Date.now()}`);
+ok(typeof buildTretaVietnam === 'function', 'V1 builder buildTretaVietnam ausente');
+
+if (typeof buildTretaVietnam === 'function') {
+  const scene = new THREE.Scene();
+  const world = buildTretaVietnam(scene, await initTextures());
+  scene.updateMatrixWorld(true);
+
+  const findParts = () => {
+    const ramps = [], towers = [];
+    world.root.traverse((o) => {
+      if (o.userData?.vietnamRamp) ramps.push(o);
+      if (o.userData?.vietnamTower) towers.push(o);
+    });
+    return { ramps, towers };
+  };
+  if (MUTANTE === 'sem-rampa') {
+    const builtRamp = findParts().ramps.at(-1);
+    builtRamp?.parent?.remove(builtRamp);
+  }
+  if (MUTANTE === 'rampa-plana') {
+    const originalGroundHeightAt = world.groundHeightAt;
+    world.groundHeightAt = (x, z) => {
+      const onRamp = Math.abs(z) <= 1.72 && Math.abs(x) >= 19 && Math.abs(x) <= 26;
+      return onRamp ? 0 : originalGroundHeightAt(x, z);
+    };
+  }
+  scene.updateMatrixWorld(true);
+  const { ramps, towers } = findParts();
+  if (MUTANTE === 'clima-claro') {
+    scene.getObjectByName('ceu-tempestade-vietnan')?.removeFromParent();
+    if (world.sun) world.sun.intensity = 1.8;
+  }
+  if (MUTANTE === 'sem-estrutura') {
+    for (const object of [...world.root.children]) {
+      if (object.name.includes('-coluna-telhado')) object.removeFromParent();
+    }
+  }
+  if (MUTANTE === 'escuro') {
+    world.hemi.intensity = 0.55;
+    world.sun.intensity = 0.72;
+    for (const ramp of ramps) ramp.material.color.setHex(0x4a3426);
+  }
+
+  ok(ramps.length >= 2, `V2 rampas visíveis: ${ramps.length}, esperado >= 2`);
+  ok(towers.length >= 2, `V3 guaritas: ${towers.length}, esperado >= 2`);
+  ok(typeof world.groundHeightAt === 'function', 'V4 groundHeightAt ausente');
+
+  for (const ramp of ramps) {
+    const { start, end, topY, towerId } = ramp.userData.vietnamRamp;
+    ok(start && end && Number.isFinite(topY), `V4 metadados inválidos na rampa ${towerId || '?'}`);
+    if (!start || !end || !Number.isFinite(topY) || typeof world.groundHeightAt !== 'function') continue;
+    let anterior = -Infinity;
+    let maiorDegrau = 0;
+    for (let i = 0; i <= 24; i++) {
+      const t = i / 24;
+      const x = start.x + (end.x - start.x) * t;
+      const z = start.z + (end.z - start.z) * t;
+      const y = world.groundHeightAt(x, z);
+      if (anterior !== -Infinity) maiorDegrau = Math.max(maiorDegrau, Math.abs(y - anterior));
+      ok(y + 0.01 >= anterior, `V4 rampa ${towerId} desce em t=${t.toFixed(2)}`);
+
+      const raio = 0.38;
+      const bloqueiaCorpo = world.colliders.some((c) => x + raio > c.minX && x - raio < c.maxX
+        && z + raio > c.minZ && z - raio < c.maxZ && y + 1.75 > c.minY && y + 0.08 < c.maxY);
+      ok(!bloqueiaCorpo, `V5 corpo bloqueado na rampa ${towerId}, t=${t.toFixed(2)}`);
+      anterior = y;
+    }
+    ok(anterior >= topY - 0.12, `V4 rampa ${towerId} termina em ${anterior.toFixed(2)} m, topo ${topY}`);
+    ok(maiorDegrau <= 0.30, `V4 rampa ${towerId} tem degrau ${maiorDegrau.toFixed(2)} m`);
+
+    ramp.geometry.computeBoundingBox();
+    const box = ramp.geometry.boundingBox;
+    const endpointA = new THREE.Vector3(box.min.x, 0, 0).applyMatrix4(ramp.matrixWorld);
+    const endpointB = new THREE.Vector3(box.max.x, 0, 0).applyMatrix4(ramp.matrixWorld);
+    const low = endpointA.y < endpointB.y ? endpointA : endpointB;
+    const high = endpointA.y < endpointB.y ? endpointB : endpointA;
+    ok(Math.hypot(low.x - start.x, low.z - start.z) <= 0.25 && Math.abs(low.y) <= 0.12,
+      `V5 malha da rampa ${towerId} não começa no chão`);
+    ok(Math.hypot(high.x - end.x, high.z - end.z) <= 0.25 && Math.abs(high.y - topY) <= 0.12,
+      `V5 malha da rampa ${towerId} não alcança a guarita`);
+    ok((box.max.z - box.min.z) >= 2.4, `V5 rampa ${towerId} estreita para travessia`);
+  }
+
+  const towerIds = new Set(towers.map((t) => t.userData.vietnamTower));
+  for (const ramp of ramps) ok(towerIds.has(ramp.userData.vietnamRamp.towerId), `V6 rampa sem guarita: ${ramp.userData.vietnamRamp.towerId}`);
+
+  ok(world.spawns?.E?.length >= 4 && world.spawns?.B?.length >= 4, 'V7 spawns incompletos');
+  ok(world.pickups?.length >= 16, `V8 arsenal curto: ${world.pickups?.length || 0}, esperado >= 16`);
+  ok(world.waypoints?.nodes?.length >= 80, `V9 navegação pobre: ${world.waypoints?.nodes?.length || 0} nós`);
+  const a = world.nearestWaypoint(world.spawns.E[0].x, world.spawns.E[0].z);
+  const b = world.nearestWaypoint(world.spawns.B[0].x, world.spawns.B[0].z);
+  ok(world.findPath(a, b).length > 2, 'V9 não há rota entre os spawns');
+
+  const foliageMaterials = new Set();
+  world.root.traverse((o) => {
+    if (!o.isMesh || !o.material?.color) return;
+    const color = o.material.color.getHex();
+    if (color === 0x315b27 || color === 0x4d7835) foliageMaterials.add(o.material);
+  });
+  ok(foliageMaterials.size >= 2, `V12 materiais de folhagem: ${foliageMaterials.size}, esperado >= 2`);
+  for (const material of foliageMaterials) {
+    ok(material.isMeshStandardMaterial && material.map?.isCanvasTexture && material.bumpMap?.isCanvasTexture
+      && material.bumpMap !== material.map && material.bumpMap.colorSpace === THREE.NoColorSpace,
+      'V12 folhagem sem textura procedural PBR e relevo');
+    ok(material.roughness >= 0.8 && material.metalness === 0, 'V12 resposta física incorreta para folha');
+  }
+
+  const stormSky = scene.getObjectByName('ceu-tempestade-vietnan');
+  ok(stormSky?.material?.map?.isCanvasTexture && stormSky.material.side === THREE.BackSide,
+    'V13 céu de guerra procedural ausente');
+  ok(scene.fog?.near <= 48 && scene.fog?.far <= 100 && world.sun?.intensity <= 1.25,
+    'V13 atmosfera clara demais para o clima de guerra');
+  for (const ramp of ramps) {
+    const maxChannel = Math.max(ramp.material.color.r, ramp.material.color.g, ramp.material.color.b);
+    ok(ramp.material.isMeshStandardMaterial && ramp.material.map?.isCanvasTexture
+      && ramp.material.bumpMap?.isCanvasTexture && ramp.material.roughness >= 0.85 && maxChannel <= 0.55,
+    `V13 madeira clara ou sem desgaste na ${ramp.name}`);
+  }
+  scene.updateMatrixWorld(true);
+  for (const towerId of ['guarita-oeste', 'guarita-leste']) {
+    const roof = world.root.getObjectByName(`${towerId}-telhado`);
+    const columns = [], beams = [];
+    world.root.traverse((o) => {
+      if (o.name === `${towerId}-coluna-telhado`) columns.push(o);
+      if (o.name === `${towerId}-viga-lateral`) beams.push(o);
+    });
+    ok(columns.length === 4, `V14 ${towerId} tem ${columns.length}/4 colunas sustentando o teto`);
+    ok(beams.length >= 4, `V14 ${towerId} sem travamento lateral completo`);
+    ok(new Set(columns.map((column) => column.geometry)).size <= 1,
+      `V14 ${towerId} duplica geometria nas colunas repetidas`);
+    if (roof) {
+      const roofBottom = new THREE.Box3().setFromObject(roof).min.y;
+      for (const column of columns) {
+        const box = new THREE.Box3().setFromObject(column);
+        ok(box.min.y <= TOWER_TOP + 0.08 && roofBottom - box.max.y <= 0.12,
+          `V14 coluna desconectada entre piso e teto em ${towerId}`);
+      }
+    }
+  }
+  const rampLightness = Math.max(...ramps.map((ramp) => Math.max(
+    ramp.material.color.r, ramp.material.color.g, ramp.material.color.b)));
+  ok(world.hemi?.intensity >= 1.1 && world.sun?.intensity >= 1.12 && rampLightness >= 0.3,
+    'V15 guaritas escuras demais para leitura durante a partida');
+}
+
+ok(existsSync(PREVIEW), 'V10 preview public/img/map-previews/treta_vietnan.jpg ausente');
+ok(readFileSync(resolve('src/pages/maps.astro'), 'utf8').includes('treta_vietnan:'), 'V11 tradução da página /maps ausente');
+
+console.log(`TRETA NO VIETNÃ${MUTANTE ? ` [mutante: ${MUTANTE}]` : ''}`);
+if (falhas.length) {
+  for (const f of falhas) console.log(`  x ${f}`);
+  process.exit(1);
+}
+console.log('  ✓ V1–V15 mapa, rampas, guaritas, estrutura, leitura, arsenal, rotas, folhagem, clima, preview e página EN');