chore(i18n): extend quotaShare + add quotaPlans namespace (pt-BR + en) (B/F9)

src/i18n/messages/en.json

@@ -836,6 +836,7 @@
     "analyticsCompression": "Compression",
     "costsBudget": "Budget",
     "costsQuotaShare": "Quota Sharing",
+    "costsQuotaPlans": "Plans & Quotas",
     "costsPricing": "Pricing",
     "logsProxy": "Proxy Logs",
     "logsConsole": "Console",
@@ -903,6 +904,7 @@
     "costsPricingSubtitle": "Per-model pricing rules",
     "costsBudgetSubtitle": "Budget limits",
     "costsQuotaShareSubtitle": "Share provider quotas across keys",
+    "costsQuotaPlansSubtitle": "Configure plans by provider",
     "auditLogSubtitle": "Authorization audit",
     "auditMcpSubtitle": "MCP server audit",
     "auditA2aSubtitle": "A2A protocol audit",
@@ -7299,7 +7301,54 @@
     "betaConfigSavedSuffix": "(not yet persisted on the server). Per-request cap enforcement is not yet wired into the proxy pipeline. This screen lets you design and visualize the quota split; real enforcement will land in a future iteration with DB persistence and upstream call interception.",
     "policyLabel": "Policy:",
     "resetIn": "reset in",
-    "quotaTotal": "total"
+    "quotaTotal": "total",
+    "conceptTitle": "How Quota Share works",
+    "conceptIntro": "Quota Share divides a provider's quota among multiple API keys using work-conserving fair-share: each key receives a proportional slice but can borrow from the free balance without exceeding the global cap.",
+    "conceptFairShare": "Fair-share: each key receives quota proportional to its configured weight",
+    "conceptBorrowing": "Borrowing: keys can consume free balance from others without breaching the cap",
+    "conceptGlobalCap": "Hard global cap: the provider's absolute limit is never exceeded",
+    "conceptWindows": "Windows: 5h, hourly, daily, weekly, monthly — each tracked independently",
+    "burnRateTitle": "Burn rate",
+    "burnRateExhaustsIn": "Exhausts in",
+    "dimensionResetIn": "Resets in",
+    "realConsumedColumn": "Consumed",
+    "deficitColumn": "Deficit",
+    "borrowingIndicator": "borrowing",
+    "migratedFromLocalStorageNotice": "Pools successfully migrated from localStorage.",
+    "policyCapAbsoluteLabel": "Absolute cap",
+    "policyCapAbsolutePlaceholder": "Numeric limit (optional)",
+    "multiDimensionLabel": "Multi-dimension"
+  },
+  "quotaPlans": {
+    "title": "Plans & Quotas",
+    "description": "Configure quota plans per provider — dimensions (%, requests, tokens, $) and time windows",
+    "providerLabel": "Provider / Connection",
+    "detectedPlanLabel": "Detected plan",
+    "manualPlanLabel": "Manual override",
+    "unconfiguredLabel": "Not configured — manual required",
+    "dimensionLabel": "Dimensions",
+    "addDimension": "Add dimension",
+    "removeDimension": "Remove",
+    "limitLabel": "Limit",
+    "unitOptions": {
+      "percent": "%",
+      "requests": "requests",
+      "tokens": "tokens",
+      "usd": "USD ($)"
+    },
+    "windowOptions": {
+      "5h": "5 hours",
+      "hourly": "Hourly",
+      "daily": "Daily",
+      "weekly": "Weekly",
+      "monthly": "Monthly"
+    },
+    "useCatalogButton": "Use catalog",
+    "saveOverrideButton": "Save override",
+    "revertToCatalogButton": "Revert to catalog",
+    "unknownProviderNotice": "Select a provider on the left to configure its quota plan.",
+    "catalogTitle": "Known catalog",
+    "catalogDescription": "Automatically detected plans for the following providers:"
   },
   "activity": {
     "title": "Activity",

src/i18n/messages/pt-BR.json

@@ -836,6 +836,7 @@
     "analyticsCompression": "Compression",
     "costsBudget": "Budget",
     "costsQuotaShare": "Compartilhamento de Cota",
+    "costsQuotaPlans": "Planos & Cotas",
     "costsPricing": "Pricing",
     "logsProxy": "Proxy Logs",
     "logsConsole": "Console",
@@ -903,6 +904,7 @@
     "costsPricingSubtitle": "Regras de preço por modelo",
     "costsBudgetSubtitle": "Limites de orçamento",
     "costsQuotaShareSubtitle": "Compartilhe cotas de provedor entre chaves",
+    "costsQuotaPlansSubtitle": "Configurar planos por provider",
     "auditLogSubtitle": "Auditoria de autorização",
     "auditMcpSubtitle": "Auditoria do servidor MCP",
     "auditA2aSubtitle": "Auditoria do protocolo A2A",
@@ -7289,7 +7291,54 @@
     "betaConfigSavedSuffix": "(ainda não persistido no servidor). A aplicação do limite por solicitação ainda não está conectada ao pipeline do proxy. Esta tela permite desenhar e visualizar a divisão de cotas; a aplicação real chegará em uma iteração futura com persistência de banco de dados e interceptação de chamadas upstream.",
     "policyLabel": "Política:",
     "resetIn": "redefinir em",
-    "quotaTotal": "total"
+    "quotaTotal": "total",
+    "conceptTitle": "Como funciona o Quota Share",
+    "conceptIntro": "O Quota Share divide a cota de um provider entre múltiplas API keys usando fair-share work-conserving: cada key recebe uma fatia proporcional, mas pode tomar emprestado do saldo livre sem estourar o teto global.",
+    "conceptFairShare": "Fair-share: cada key recebe proporcionalmente ao peso configurado",
+    "conceptBorrowing": "Empréstimo: keys podem usar saldo livre de outras sem ultrapassar o teto",
+    "conceptGlobalCap": "Teto intransponível: o cap absoluto do provider nunca é excedido",
+    "conceptWindows": "Janelas: 5h, horária, diária, semanal, mensal — cada uma rastreada independentemente",
+    "burnRateTitle": "Taxa de consumo",
+    "burnRateExhaustsIn": "Esgota em",
+    "dimensionResetIn": "Reset em",
+    "realConsumedColumn": "Consumido",
+    "deficitColumn": "Déficit",
+    "borrowingIndicator": "empréstimo",
+    "migratedFromLocalStorageNotice": "Pools migrados do localStorage com sucesso.",
+    "policyCapAbsoluteLabel": "Cap absoluto",
+    "policyCapAbsolutePlaceholder": "Limite numérico (opcional)",
+    "multiDimensionLabel": "Multi-dimensão"
+  },
+  "quotaPlans": {
+    "title": "Planos & Cotas",
+    "description": "Configure os planos de cota por provider — dimensões (%, requests, tokens, $) e janelas de tempo",
+    "providerLabel": "Provider / Conexão",
+    "detectedPlanLabel": "Plano detectado",
+    "manualPlanLabel": "Override manual",
+    "unconfiguredLabel": "Não configurado — manual obrigatório",
+    "dimensionLabel": "Dimensões",
+    "addDimension": "Adicionar dimensão",
+    "removeDimension": "Remover",
+    "limitLabel": "Limite",
+    "unitOptions": {
+      "percent": "%",
+      "requests": "requests",
+      "tokens": "tokens",
+      "usd": "USD ($)"
+    },
+    "windowOptions": {
+      "5h": "5 horas",
+      "hourly": "Por hora",
+      "daily": "Diária",
+      "weekly": "Semanal",
+      "monthly": "Mensal"
+    },
+    "useCatalogButton": "Usar catálogo",
+    "saveOverrideButton": "Salvar override",
+    "revertToCatalogButton": "Reverter para catálogo",
+    "unknownProviderNotice": "Selecione um provider à esquerda para configurar o plano de cota.",
+    "catalogTitle": "Catálogo conhecido",
+    "catalogDescription": "Planos automaticamente detectados para os seguintes providers:"
   },
   "activity": {
     "title": "Atividade",