fix(tunnels): translate diagram labels and descriptions to PT-BR

"sua máquina", "no servidor", "qualquer destino", etc.
The diagram is the main learning tool — needs to speak the audience's language.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: luizomf

src/lib/__tests__/tunnel-generator.test.ts

@@ -380,22 +380,22 @@ describe('generateSshConfig', () => {
 });
 
 describe('generateDiagram', () => {
-  it('generates local tunnel diagram', () => {
+  it('generates local tunnel diagram in PT-BR', () => {
     const tunnel: TunnelSpec = {
       type: 'local',
       localPort: 8080,
       remoteHost: 'db.internal',
       remotePort: 3306,
     };
     const diagram = generateDiagram(tunnel, makeOptions({ sshUser: 'user', sshServer: 'bastion' }));
-    expect(diagram.left).toBe('localhost:8080');
+    expect(diagram.left).toBe('sua máquina :8080');
     expect(diagram.middle).toBe('user@bastion');
     expect(diagram.right).toBe('db.internal:3306');
     expect(diagram.description).toContain('8080');
     expect(diagram.description).toContain('db.internal:3306');
   });
 
-  it('generates remote tunnel diagram', () => {
+  it('generates remote tunnel diagram in PT-BR', () => {
     const tunnel: TunnelSpec = {
       type: 'remote',
       remotePort: 8080,
@@ -406,17 +406,18 @@ describe('generateDiagram', () => {
     const diagram = generateDiagram(tunnel, makeOptions({ sshServer: 'vps' }));
     expect(diagram.left).toBe('localhost:3000');
     expect(diagram.right).toContain('8080');
+    expect(diagram.right).toContain('no servidor');
     expect(diagram.description).toContain('3000');
   });
 
-  it('generates dynamic tunnel diagram', () => {
+  it('generates dynamic tunnel diagram in PT-BR', () => {
     const tunnel: TunnelSpec = {
       type: 'dynamic',
       localPort: 1080,
     };
     const diagram = generateDiagram(tunnel, makeOptions({ sshServer: 'vps' }));
     expect(diagram.left).toContain('1080');
     expect(diagram.left).toContain('SOCKS');
-    expect(diagram.right).toBe('any destination');
+    expect(diagram.right).toBe('qualquer destino');
   });
 });

src/lib/tunnel-generator.ts

@@ -183,24 +183,24 @@ export function generateDiagram(tunnel: TunnelSpec, options: TunnelOptions): Tun
   switch (tunnel.type) {
     case 'local':
       return {
-        left: `localhost:${tunnel.localPort}`,
+        left: `sua máquina :${tunnel.localPort}`,
         middle: server,
         right: `${tunnel.remoteHost}:${tunnel.remotePort}`,
-        description: `Traffic on your port ${tunnel.localPort} goes through ${server} to reach ${tunnel.remoteHost}:${tunnel.remotePort}`,
+        description: `Tráfego na sua porta ${tunnel.localPort} passa por ${server} e chega em ${tunnel.remoteHost}:${tunnel.remotePort}`,
       };
     case 'remote':
       return {
         left: `${tunnel.localHost}:${tunnel.localPort}`,
         middle: server,
-        right: `${tunnel.bindAddress || 'localhost'}:${tunnel.remotePort} (on server)`,
-        description: `Port ${tunnel.remotePort} on ${options.sshServer} forwards back to your ${tunnel.localHost}:${tunnel.localPort}`,
+        right: `${tunnel.bindAddress || 'localhost'}:${tunnel.remotePort} (no servidor)`,
+        description: `A porta ${tunnel.remotePort} no ${options.sshServer} encaminha de volta para o seu ${tunnel.localHost}:${tunnel.localPort}`,
       };
     case 'dynamic':
       return {
-        left: `localhost:${tunnel.localPort} (SOCKS)`,
+        left: `sua máquina :${tunnel.localPort} (SOCKS)`,
         middle: server,
-        right: 'any destination',
-        description: `SOCKS proxy on port ${tunnel.localPort} — all traffic routed through ${server}`,
+        right: 'qualquer destino',
+        description: `Proxy SOCKS na porta ${tunnel.localPort} — todo tráfego sai por ${server}`,
       };
   }
 }