diff --git a/src/app/(dashboard)/dashboard/audit/A2aAuditTab.tsx b/src/app/(dashboard)/dashboard/audit/A2aAuditTab.tsx
index 1cd2f7c2dc..2c390c68cd 100644
--- a/src/app/(dashboard)/dashboard/audit/A2aAuditTab.tsx
+++ b/src/app/(dashboard)/dashboard/audit/A2aAuditTab.tsx
@@ -182,7 +182,7 @@ export default function A2aAuditTab() {
                       <span
                         className={`rounded-full border px-2 py-1 text-xs font-medium ${STATE_STYLES[task.state]}`}
                       >
-                        {task.state}
+                        {t(`a2aState${task.state.charAt(0).toUpperCase()}${task.state.slice(1)}`)}
                       </span>
                     </td>
                     <td className="px-4 py-3 text-text-muted">{taskDuration(task)}</td>
diff --git a/src/app/(dashboard)/dashboard/audit/ComplianceTab.tsx b/src/app/(dashboard)/dashboard/audit/ComplianceTab.tsx
index f2a0dc4329..a8f86190cc 100644
--- a/src/app/(dashboard)/dashboard/audit/ComplianceTab.tsx
+++ b/src/app/(dashboard)/dashboard/audit/ComplianceTab.tsx
@@ -330,7 +330,7 @@ export default function ComplianceTab() {
                       </td>
                       <td className="px-4 py-3">
                         <span className="rounded-md border border-border bg-surface px-2 py-1 font-mono text-xs text-text-main">
-                          {entry.action}
+                          {t.has(`eventTypes.${entry.action}`) ? t(`eventTypes.${entry.action}`) : entry.action}
                         </span>
                       </td>
                       <td className="px-4 py-3">
diff --git a/src/app/(dashboard)/dashboard/costs/quota-share/components/PoolCard.tsx b/src/app/(dashboard)/dashboard/costs/quota-share/components/PoolCard.tsx
index 6bae71c651..bd131e0841 100644
--- a/src/app/(dashboard)/dashboard/costs/quota-share/components/PoolCard.tsx
+++ b/src/app/(dashboard)/dashboard/costs/quota-share/components/PoolCard.tsx
@@ -24,8 +24,9 @@ export interface PoolCardProps {
 }
 
 function computeStatus(usage: PoolUsageSnapshot | null): "green" | "amber" | "red" {
-  if (!usage || usage.dimensions.length === 0) return "green";
-  const utilizations = usage.dimensions.map((d) =>
+  const dims = usage?.dimensions ?? [];
+  if (dims.length === 0) return "green";
+  const utilizations = dims.map((d) =>
     d.limit > 0 ? (d.consumedTotal / d.limit) * 100 : 0
   );
   const avg = utilizations.reduce((s, u) => s + u, 0) / utilizations.length;
@@ -54,7 +55,7 @@ export default function PoolCard({
   const { icon: statusIcon, cls: statusCls } = STATUS_ICONS[status];
 
   // Check for plan dimensions from usage
-  const hasDimensions = usage && usage.dimensions.length > 0;
+  const hasDimensions = !!usage?.dimensions?.length;
 
   return (
     <Card padding="md">
@@ -103,10 +104,10 @@ export default function PoolCard({
         <div
           className="grid gap-3 mb-3"
           style={{
-            gridTemplateColumns: `repeat(${Math.min(usage.dimensions.length, 3)}, 1fr)`,
+            gridTemplateColumns: `repeat(${Math.min(usage?.dimensions?.length ?? 0, 3)}, 1fr)`,
           }}
         >
-          {usage.dimensions.map((dim, i) => (
+          {(usage?.dimensions ?? []).map((dim, i) => (
             <DimensionBar
               key={`${dim.unit}-${dim.window}-${i}`}
               dimension={{ unit: dim.unit, window: dim.window, limit: dim.limit }}
diff --git a/src/app/(dashboard)/dashboard/costs/quota-share/hooks/usePoolsUsageAggregate.ts b/src/app/(dashboard)/dashboard/costs/quota-share/hooks/usePoolsUsageAggregate.ts
index 545016466e..ad00893cfd 100644
--- a/src/app/(dashboard)/dashboard/costs/quota-share/hooks/usePoolsUsageAggregate.ts
+++ b/src/app/(dashboard)/dashboard/costs/quota-share/hooks/usePoolsUsageAggregate.ts
@@ -40,12 +40,12 @@ export function usePoolsUsageAggregate(pools: QuotaPool[]): PoolsUsageAggregate
         let utilCount = 0;
         let borrowing = 0;
         for (const { usage } of valid) {
-          for (const dim of usage.dimensions) {
+          for (const dim of usage.dimensions ?? []) {
             if (dim.limit > 0) {
               totalUtil += (dim.consumedTotal / dim.limit) * 100;
               utilCount += 1;
             }
-            for (const key of dim.perKey) {
+            for (const key of dim.perKey ?? []) {
               if (key.borrowing) borrowing += 1;
             }
           }
diff --git a/src/app/(dashboard)/dashboard/logs/page.tsx b/src/app/(dashboard)/dashboard/logs/page.tsx
index 5ef549d357..40b1271958 100644
--- a/src/app/(dashboard)/dashboard/logs/page.tsx
+++ b/src/app/(dashboard)/dashboard/logs/page.tsx
@@ -1,9 +1,7 @@
 "use client";
 
 import { useState, useRef, useEffect } from "react";
-import { useSearchParams } from "next/navigation";
-import { ConfirmModal, RequestLoggerV2, ProxyLogger, SegmentedControl } from "@/shared/components";
-import ConsoleLogViewer from "@/shared/components/ConsoleLogViewer";
+import { ConfirmModal, RequestLoggerV2 } from "@/shared/components";
 import EmailPrivacyToggle from "@/shared/components/EmailPrivacyToggle";
 import ActiveRequestsPanel from "@/shared/components/ActiveRequestsPanel";
 import { useTranslations } from "next-intl";
@@ -15,18 +13,7 @@ const TIME_RANGES = [
   { label: "24h", hours: 24 },
 ];
 
-const TAB_TO_LOG_TYPE: Record<string, string> = {
-  "request-logs": "request-logs",
-  "proxy-logs": "proxy-logs",
-  console: "call-logs",
-};
-
 export default function LogsPage() {
-  const searchParams = useSearchParams();
-  const requestedTab = searchParams.get("tab");
-  const [activeTab, setActiveTab] = useState(
-    requestedTab && TAB_TO_LOG_TYPE[requestedTab] ? requestedTab : "request-logs"
-  );
   const [showExport, setShowExport] = useState(false);
   const [exporting, setExporting] = useState(false);
   const [showCleanHistory, setShowCleanHistory] = useState(false);
@@ -36,12 +23,6 @@ export default function LogsPage() {
   const dropdownRef = useRef<HTMLDivElement>(null);
   const t = useTranslations("logs");
 
-  useEffect(() => {
-    if (requestedTab && TAB_TO_LOG_TYPE[requestedTab] && requestedTab !== activeTab) {
-      setActiveTab(requestedTab);
-    }
-  }, [activeTab, requestedTab]);
-
   useEffect(() => {
     function handleClickOutside(e: MouseEvent) {
       if (dropdownRef.current && !dropdownRef.current.contains(e.target as Node)) {
@@ -56,7 +37,7 @@ export default function LogsPage() {
     setExporting(true);
     setShowExport(false);
     try {
-      const logType = TAB_TO_LOG_TYPE[activeTab] || "call-logs";
+      const logType = "request-logs";
       const res = await fetch(`/api/logs/export?hours=${hours}&type=${logType}`);
       if (!res.ok) throw new Error(t("exportFailed"));
       const blob = await res.blob();
@@ -108,15 +89,7 @@ export default function LogsPage() {
   return (
     <div className="flex flex-col gap-6">
       <div className="flex items-center justify-between gap-4 flex-wrap">
-        <SegmentedControl
-          options={[
-            { value: "request-logs", label: t("requestLogs") },
-            { value: "proxy-logs", label: t("proxyLogs") },
-            { value: "console", label: t("console") },
-          ]}
-          value={activeTab}
-          onChange={setActiveTab}
-        />
+        <h2 className="text-lg font-semibold text-text-main">{t("requestLogs")}</h2>
 
         <div className="flex items-center gap-2">
           <EmailPrivacyToggle size="md" />
@@ -211,14 +184,10 @@ export default function LogsPage() {
         </div>
       )}
 
-      {activeTab === "request-logs" && (
-        <div className="flex flex-col gap-6">
-          <ActiveRequestsPanel />
-          <RequestLoggerV2 key={requestLogKey} />
-        </div>
-      )}
-      {activeTab === "proxy-logs" && <ProxyLogger />}
-      {activeTab === "console" && <ConsoleLogViewer />}
+      <div className="flex flex-col gap-6">
+        <ActiveRequestsPanel />
+        <RequestLoggerV2 key={requestLogKey} />
+      </div>
 
       <ConfirmModal
         isOpen={showCleanHistory}
diff --git a/src/app/(dashboard)/dashboard/memory/components/MemoryEngineStatus.tsx b/src/app/(dashboard)/dashboard/memory/components/MemoryEngineStatus.tsx
index 3a6f0d2116..ba1b1a052a 100644
--- a/src/app/(dashboard)/dashboard/memory/components/MemoryEngineStatus.tsx
+++ b/src/app/(dashboard)/dashboard/memory/components/MemoryEngineStatus.tsx
@@ -85,7 +85,12 @@ export default function MemoryEngineStatus({ status, onConfigure }: Props) {
             : "red",
       reason: status.vectorStore.reason,
       cta:
-        status.vectorStore.needsReindex > 0 ? (
+        status.vectorStore.backend === "none" ? (
+          <span className="text-xs text-amber-400 flex items-center gap-1">
+            <span className="material-symbols-outlined text-[12px]">terminal</span>
+            {t("engine.vectorStoreInstallHint")}
+          </span>
+        ) : status.vectorStore.needsReindex > 0 ? (
           <span className="text-xs text-amber-400 flex items-center gap-1">
             <span className="material-symbols-outlined text-[12px]">warning</span>
             {t("engine.needsReindex", { count: status.vectorStore.needsReindex })}
diff --git a/src/app/(dashboard)/dashboard/memory/components/tabs/MemoriesTab.tsx b/src/app/(dashboard)/dashboard/memory/components/tabs/MemoriesTab.tsx
index 458c45c453..5df03c94b2 100644
--- a/src/app/(dashboard)/dashboard/memory/components/tabs/MemoriesTab.tsx
+++ b/src/app/(dashboard)/dashboard/memory/components/tabs/MemoriesTab.tsx
@@ -236,6 +236,16 @@ export default function MemoriesTab() {
     }
   };
 
+  // Auto-run health check on mount + poll every 30s, so the indicator reflects
+  // engine health without requiring a manual click.
+  useEffect(() => {
+    void checkHealth();
+    const id = setInterval(() => {
+      void checkHealth();
+    }, 30_000);
+    return () => clearInterval(id);
+  }, []);
+
   const openEdit = (m: Memory) => {
     setEditTarget(m);
     setEditOpen(true);
diff --git a/src/app/(dashboard)/dashboard/memory/page.tsx b/src/app/(dashboard)/dashboard/memory/page.tsx
index 6d1c382e47..cf228ede40 100644
--- a/src/app/(dashboard)/dashboard/memory/page.tsx
+++ b/src/app/(dashboard)/dashboard/memory/page.tsx
@@ -7,15 +7,18 @@ import MemoryConceptCard from "./components/MemoryConceptCard";
 import MemoriesTab from "./components/tabs/MemoriesTab";
 import PlaygroundTab from "./components/tabs/PlaygroundTab";
 import EngineTab from "./components/tabs/EngineTab";
+import { useMemorySettings } from "./hooks/useMemorySettings";
 
 type TabId = "memories" | "playground" | "engine";
 
-const TABS: TabId[] = ["memories", "playground", "engine"];
+const TABS: TabId[] = ["memories", "engine", "playground"];
 
 function MemoryPageContent() {
   const t = useTranslations("memory");
   const searchParams = useSearchParams();
   const router = useRouter();
+  const { settings, save } = useMemorySettings();
+  const memoryEnabled = settings?.enabled ?? true;
 
   const rawTab = searchParams.get("tab") ?? "";
   const activeTab: TabId = TABS.includes(rawTab as TabId) ? (rawTab as TabId) : "memories";
@@ -31,23 +34,44 @@ function MemoryPageContent() {
       {/* Concept card */}
       <MemoryConceptCard />
 
-      {/* Tab navigation */}
-      <div className="flex gap-1 p-1 rounded-lg bg-surface/50 border border-border/60 w-fit">
-        {TABS.map((tab) => (
+      {/* Tab navigation + memory enable toggle */}
+      <div className="flex items-center justify-between gap-4 flex-wrap">
+        <div className="flex gap-1 p-1 rounded-lg bg-surface/50 border border-border/60 w-fit">
+          {TABS.map((tab) => (
+            <button
+              key={tab}
+              type="button"
+              data-testid={`tab-${tab}`}
+              onClick={() => setTab(tab)}
+              className={`px-4 py-2 rounded-md text-sm font-medium transition-all ${
+                activeTab === tab
+                  ? "bg-bg text-text-main shadow-sm"
+                  : "text-text-muted hover:text-text-main"
+              }`}
+            >
+              {t(`tabs.${tab}`)}
+            </button>
+          ))}
+        </div>
+        <label className="flex items-center gap-2 cursor-pointer select-none">
+          <span className="text-sm font-medium text-text-muted">{t("memoryEnabled")}</span>
           <button
-            key={tab}
             type="button"
-            data-testid={`tab-${tab}`}
-            onClick={() => setTab(tab)}
-            className={`px-4 py-2 rounded-md text-sm font-medium transition-all ${
-              activeTab === tab
-                ? "bg-bg text-text-main shadow-sm"
-                : "text-text-muted hover:text-text-main"
+            role="switch"
+            aria-checked={memoryEnabled}
+            data-testid="memory-enabled-toggle"
+            onClick={() => void save({ enabled: !memoryEnabled })}
+            className={`relative w-11 h-6 rounded-full transition-colors ${
+              memoryEnabled ? "bg-violet-500" : "bg-border"
             }`}
           >
-            {t(`tabs.${tab}`)}
+            <span
+              className={`absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-transform ${
+                memoryEnabled ? "translate-x-5" : "translate-x-0"
+              }`}
+            />
           </button>
-        ))}
+        </label>
       </div>
 
       {/* Tab content */}
diff --git a/src/app/(dashboard)/dashboard/playground/components/StudioConfigPane.tsx b/src/app/(dashboard)/dashboard/playground/components/StudioConfigPane.tsx
index decb51ed73..20440a705a 100644
--- a/src/app/(dashboard)/dashboard/playground/components/StudioConfigPane.tsx
+++ b/src/app/(dashboard)/dashboard/playground/components/StudioConfigPane.tsx
@@ -8,11 +8,14 @@ import type { PlaygroundEndpoint } from "@/lib/playground/codeExport";
 import { endpointToPath } from "@/lib/playground/codeExport";
 import PresetPicker from "./PresetPicker";
 import ImprovePromptButton from "./ImprovePromptButton";
+import { useProviderOptions } from "@/app/(dashboard)/dashboard/translator/hooks/useProviderOptions";
+import { useAvailableModels } from "@/app/(dashboard)/dashboard/translator/hooks/useAvailableModels";
 
 export interface ConfigState {
   endpoint: PlaygroundEndpoint;
   baseUrl: string;
   model: string;
+  provider?: string;
   systemPrompt: string;
   params: PlaygroundParams;
 }
@@ -46,6 +49,10 @@ const ENDPOINT_OPTIONS: Array<{ value: PlaygroundEndpoint; label: string }> = [
  */
 export default function StudioConfigPane({ configState, setConfigState }: StudioConfigPaneProps) {
   const [collapsed, setCollapsed] = useState(false);
+  const { provider, setProvider, providerOptions, loading: loadingProviders } = useProviderOptions(
+    configState.provider ?? ""
+  );
+  const { availableModels, loading: loadingModels } = useAvailableModels();
 
   function update<K extends keyof ConfigState>(key: K, value: ConfigState[K]) {
     setConfigState({ ...configState, [key]: value });
@@ -108,18 +115,56 @@ export default function StudioConfigPane({ configState, setConfigState }: Studio
           </select>
         </div>
 
+        {/* Provider */}
+        <div className="flex flex-col gap-1.5">
+          <label className="text-xs font-medium text-text-muted uppercase tracking-wider">
+            Provider
+          </label>
+          <select
+            value={provider}
+            onChange={(e) => {
+              setProvider(e.target.value);
+              update("provider", e.target.value);
+            }}
+            disabled={loadingProviders}
+            className="w-full text-xs bg-surface border border-border rounded px-2 py-1.5 focus:outline-none focus:ring-1 focus:ring-primary text-text-main"
+          >
+            <option value="">Auto</option>
+            {providerOptions.map((opt) => (
+              <option key={opt.value} value={opt.value}>
+                {opt.label}
+              </option>
+            ))}
+          </select>
+        </div>
+
         {/* Model */}
         <div className="flex flex-col gap-1.5">
           <label className="text-xs font-medium text-text-muted uppercase tracking-wider">
             Model
           </label>
-          <input
-            type="text"
-            value={configState.model}
-            onChange={(e) => update("model", e.target.value)}
-            placeholder="e.g. openai/gpt-4o"
-            className="w-full text-xs bg-surface border border-border rounded px-2 py-1.5 focus:outline-none focus:ring-1 focus:ring-primary text-text-main"
-          />
+          {availableModels.length > 0 ? (
+            <select
+              value={configState.model}
+              onChange={(e) => update("model", e.target.value)}
+              disabled={loadingModels}
+              className="w-full text-xs bg-surface border border-border rounded px-2 py-1.5 focus:outline-none focus:ring-1 focus:ring-primary text-text-main"
+            >
+              {availableModels.map((m) => (
+                <option key={m} value={m}>
+                  {m}
+                </option>
+              ))}
+            </select>
+          ) : (
+            <input
+              type="text"
+              value={configState.model}
+              onChange={(e) => update("model", e.target.value)}
+              placeholder="e.g. openai/gpt-4o"
+              className="w-full text-xs bg-surface border border-border rounded px-2 py-1.5 focus:outline-none focus:ring-1 focus:ring-primary text-text-main"
+            />
+          )}
         </div>
 
         {/* System prompt */}
diff --git a/src/app/(dashboard)/dashboard/playground/components/tabs/BuildTab.tsx b/src/app/(dashboard)/dashboard/playground/components/tabs/BuildTab.tsx
index 40bfb78c98..a3a5c521a1 100644
--- a/src/app/(dashboard)/dashboard/playground/components/tabs/BuildTab.tsx
+++ b/src/app/(dashboard)/dashboard/playground/components/tabs/BuildTab.tsx
@@ -6,9 +6,8 @@ import { useRef, useState } from "react";
 import { useTranslations } from "next-intl";
 import { useToolsBuilder } from "../../hooks/useToolsBuilder";
 import { useStructuredOutput } from "../../hooks/useStructuredOutput";
-import ToolsBuilder from "../ToolsBuilder";
-import StructuredOutputEditor from "../StructuredOutputEditor";
 import MarkdownMessage from "../MarkdownMessage";
+import BuildWizard from "./build/BuildWizard";
 import type { ConfigState } from "../StudioConfigPane";
 
 interface BuildTabProps {
@@ -225,177 +224,104 @@ export default function BuildTab({ configState }: BuildTabProps) {
     await runRequest(newMessages);
   }
 
-  function clearConversation() {
-    setMessages([]);
-    setToolCalls([]);
-    setToolResultDrafts([]);
-    setValidationResult(null);
-    setPrompt("");
-  }
-
-  return (
-    <div className="flex h-full overflow-hidden">
-      {/* Left panel: conversation + run */}
-      <div className="flex-1 flex flex-col overflow-hidden">
-        {/* Toolbar */}
-        <div className="flex items-center gap-2 px-4 py-2 border-b border-border bg-bg-alt shrink-0">
-          <button
-            onClick={() => void handleRun()}
-            disabled={running || (!prompt.trim() && messages.length === 0)}
-            className="flex items-center gap-1.5 text-xs px-3 py-1.5 rounded bg-primary text-white hover:bg-primary/90 transition-colors disabled:opacity-40 disabled:cursor-not-allowed"
+  // Result area: conversation history + tool-call UI + validation badge
+  const resultArea = (
+    <div className="space-y-3">
+      {messages.map((msg, idx) => (
+        <div key={idx} className={`flex ${msg.role === "user" ? "justify-end" : "justify-start"}`}>
+          <div
+            className={`max-w-[80%] rounded-xl px-3 py-2 text-sm ${
+              msg.role === "user"
+                ? "bg-primary text-white"
+                : msg.role === "tool"
+                  ? "bg-yellow-500/10 border border-yellow-500/30 text-text-main"
+                  : "bg-bg-alt border border-border text-text-main"
+            }`}
           >
-            <span className="material-symbols-outlined text-[14px]">play_arrow</span>
-            {running ? t("running") : t("runLabel")}
-          </button>
-
-          {messages.length > 0 && (
-            <button
-              onClick={clearConversation}
-              className="text-xs px-2.5 py-1.5 rounded border border-border text-text-muted hover:text-text-main hover:bg-black/5 dark:hover:bg-white/5 transition-colors"
-            >
-              {t("clearAll")}
-            </button>
-          )}
-
-          <div className="ml-auto flex items-center gap-2 text-[11px] text-text-muted">
-            {toolsBuilder.tools.length > 0 && (
-              <span className="px-1.5 py-0.5 rounded bg-primary/10 text-primary">
-                {toolsBuilder.tools.length} tool{toolsBuilder.tools.length !== 1 ? "s" : ""}
-              </span>
-            )}
-            {structuredOutput.enabled && (
-              <span className="px-1.5 py-0.5 rounded bg-green-500/10 text-green-600 dark:text-green-400">
-                JSON mode
-              </span>
+            {msg.role === "user" ? (
+              <span className="whitespace-pre-wrap">{msg.content}</span>
+            ) : (
+              <MarkdownMessage content={msg.content} />
             )}
           </div>
         </div>
+      ))}
 
-        {/* Conversation history */}
-        <div className="flex-1 overflow-y-auto px-4 py-3 space-y-3">
-          {messages.map((msg, idx) => (
-            <div key={idx} className={`flex ${msg.role === "user" ? "justify-end" : "justify-start"}`}>
+      {/* Tool call UI */}
+      {toolCalls.length > 0 && (
+        <div className="space-y-2">
+          {toolCalls.map((tc) => {
+            const draft = toolResultDrafts.find((d) => d.toolCallId === tc.id);
+            return (
               <div
-                className={`max-w-[80%] rounded-xl px-3 py-2 text-sm ${
-                  msg.role === "user"
-                    ? "bg-primary text-white"
-                    : msg.role === "tool"
-                      ? "bg-yellow-500/10 border border-yellow-500/30 text-text-main"
-                      : "bg-bg-alt border border-border text-text-main"
-                }`}
+                key={tc.id}
+                className="border border-amber-500/40 rounded-lg p-3 bg-amber-500/5"
               >
-                {msg.role === "user" ? (
-                  <span className="whitespace-pre-wrap">{msg.content}</span>
-                ) : (
-                  <MarkdownMessage content={msg.content} />
-                )}
-              </div>
-            </div>
-          ))}
-
-          {/* Tool call UI */}
-          {toolCalls.length > 0 && (
-            <div className="space-y-2">
-              {toolCalls.map((tc) => {
-                const draft = toolResultDrafts.find((d) => d.toolCallId === tc.id);
-                return (
-                  <div
-                    key={tc.id}
-                    className="border border-amber-500/40 rounded-lg p-3 bg-amber-500/5"
+                <div className="flex items-center gap-2 mb-2">
+                  <span className="material-symbols-outlined text-[14px] text-amber-500">
+                    function
+                  </span>
+                  <code className="text-xs font-mono text-text-main">
+                    {tc.function.name}
+                  </code>
+                </div>
+                <pre className="text-[11px] font-mono text-text-muted bg-bg-alt rounded p-2 overflow-x-auto mb-2 whitespace-pre-wrap break-all">
+                  {tc.function.arguments}
+                </pre>
+                <div className="flex flex-col gap-2">
+                  <label className="text-[10px] text-text-muted uppercase tracking-wider">
+                    Tool result
+                  </label>
+                  <textarea
+                    value={draft?.draft ?? ""}
+                    onChange={(e) =>
+                      setToolResultDrafts((prev) =>
+                        prev.map((d) =>
+                          d.toolCallId === tc.id ? { ...d, draft: e.target.value } : d,
+                        ),
+                      )
+                    }
+                    rows={3}
+                    placeholder={t("enterToolResult")}
+                    className="text-xs font-mono bg-bg-alt border border-border rounded px-2 py-1.5 focus:outline-none focus:ring-1 focus:ring-primary text-text-main resize-y"
+                  />
+                  <button
+                    onClick={() => void sendToolResult(tc.id)}
+                    className="text-xs px-2.5 py-1 rounded bg-primary text-white hover:bg-primary/90 transition-colors self-start"
                   >
-                    <div className="flex items-center gap-2 mb-2">
-                      <span className="material-symbols-outlined text-[14px] text-amber-500">
-                        function
-                      </span>
-                      <code className="text-xs font-mono text-text-main">
-                        {tc.function.name}
-                      </code>
-                    </div>
-                    <pre className="text-[11px] font-mono text-text-muted bg-bg-alt rounded p-2 overflow-x-auto mb-2 whitespace-pre-wrap break-all">
-                      {tc.function.arguments}
-                    </pre>
-                    <div className="flex flex-col gap-2">
-                      <label className="text-[10px] text-text-muted uppercase tracking-wider">
-                        Tool result
-                      </label>
-                      <textarea
-                        value={draft?.draft ?? ""}
-                        onChange={(e) =>
-                          setToolResultDrafts((prev) =>
-                            prev.map((d) =>
-                              d.toolCallId === tc.id ? { ...d, draft: e.target.value } : d,
-                            ),
-                          )
-                        }
-                        rows={3}
-                        placeholder="Enter tool result…"
-                        className="text-xs font-mono bg-bg-alt border border-border rounded px-2 py-1.5 focus:outline-none focus:ring-1 focus:ring-primary text-text-main resize-y"
-                      />
-                      <button
-                        onClick={() => void sendToolResult(tc.id)}
-                        className="text-xs px-2.5 py-1 rounded bg-primary text-white hover:bg-primary/90 transition-colors self-start"
-                      >
-                        Send tool result
-                      </button>
-                    </div>
-                  </div>
-                );
-              })}
-            </div>
-          )}
-
-          {/* Structured output validation */}
-          {validationResult != null && (
-            <div
-              className={`text-xs rounded-lg px-3 py-2 border ${
-                validationResult.valid
-                  ? "border-green-500/40 bg-green-500/5 text-green-600 dark:text-green-400"
-                  : "border-destructive/40 bg-destructive/5 text-destructive"
-              }`}
-            >
-              {validationResult.valid ? "✅ Valid JSON schema response" : `❌ ${validationResult.error}`}
-            </div>
-          )}
+                    Send tool result
+                  </button>
+                </div>
+              </div>
+            );
+          })}
         </div>
+      )}
 
-        {/* Prompt input */}
-        <div className="px-4 py-3 border-t border-border shrink-0">
-          <div className="flex items-end gap-2">
-            <textarea
-              value={prompt}
-              onChange={(e) => setPrompt(e.target.value)}
-              onKeyDown={(e) => {
-                if (e.key === "Enter" && !e.shiftKey) {
-                  e.preventDefault();
-                  void handleRun();
-                }
-              }}
-              placeholder="Enter your message… (Enter to send, Shift+Enter for newline)"
-              rows={2}
-              className="flex-1 text-sm bg-surface border border-border rounded-lg px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary text-text-main resize-none"
-            />
-          </div>
+      {/* Structured output validation */}
+      {validationResult != null && (
+        <div
+          className={`text-xs rounded-lg px-3 py-2 border ${
+            validationResult.valid
+              ? "border-green-500/40 bg-green-500/5 text-green-600 dark:text-green-400"
+              : "border-destructive/40 bg-destructive/5 text-destructive"
+          }`}
+        >
+          {validationResult.valid ? "✅ Valid JSON schema response" : `❌ ${validationResult.error}`}
         </div>
-      </div>
-
-      {/* Right panel: tools + structured output config */}
-      <div className="w-72 shrink-0 border-l border-border bg-bg-alt overflow-y-auto p-4 flex flex-col gap-6">
-        {/* Tools section */}
-        <div>
-          <h3 className="text-xs font-semibold text-text-muted uppercase tracking-wider mb-3">
-            Function calling
-          </h3>
-          <ToolsBuilder toolsBuilder={toolsBuilder} />
-        </div>
-
-        {/* Structured output section */}
-        <div>
-          <h3 className="text-xs font-semibold text-text-muted uppercase tracking-wider mb-3">
-            Structured output
-          </h3>
-          <StructuredOutputEditor structuredOutput={structuredOutput} />
-        </div>
-      </div>
+      )}
     </div>
   );
+
+  return (
+    <BuildWizard
+      toolsBuilder={toolsBuilder}
+      structuredOutput={structuredOutput}
+      running={running}
+      onRun={() => void handleRun()}
+      prompt={prompt}
+      setPrompt={setPrompt}
+      result={resultArea}
+    />
+  );
 }
diff --git a/src/app/(dashboard)/dashboard/playground/components/tabs/CompareTab.tsx b/src/app/(dashboard)/dashboard/playground/components/tabs/CompareTab.tsx
index 6719b7fc40..8f208b8460 100644
--- a/src/app/(dashboard)/dashboard/playground/components/tabs/CompareTab.tsx
+++ b/src/app/(dashboard)/dashboard/playground/components/tabs/CompareTab.tsx
@@ -104,6 +104,13 @@ export default function CompareTab({ configState }: CompareTabProps) {
   // Metrics trackers per column id (plain class instances, no React hooks)
   const metricsTrackersRef = useRef<Map<string, ColumnMetricsTracker>>(new Map());
 
+  // User prompt input
+  const [prompt, setPrompt] = useState("");
+
+  // RAF throttle: pending chunk accumulator and scheduled frame id
+  const pendingRef = useRef<Record<string, string>>({});
+  const rafRef = useRef<number | null>(null);
+
   // Input for model name when adding a column
   const [newModel, setNewModel] = useState("");
   const addInputRef = useRef<HTMLInputElement>(null);
@@ -127,6 +134,30 @@ export default function CompareTab({ configState }: CompareTabProps) {
     return metricsTrackersRef.current.get(id)!;
   }
 
+  /**
+   * Throttle per-column chunk updates via requestAnimationFrame.
+   * Accumulates all deltas that arrive within a single frame and flushes
+   * them with a single setColumns call, preventing hundreds of re-renders/s.
+   */
+  function pushChunk(colId: string, delta: string) {
+    pendingRef.current[colId] = (pendingRef.current[colId] ?? "") + delta;
+
+    if (rafRef.current == null) {
+      rafRef.current = requestAnimationFrame(() => {
+        const snapshot = pendingRef.current;
+        pendingRef.current = {};
+        rafRef.current = null;
+
+        setColumns((prev) =>
+          prev.map((c) => {
+            const extra = snapshot[c.id];
+            return extra != null ? { ...c, response: c.response + extra } : c;
+          })
+        );
+      });
+    }
+  }
+
   function addColumn() {
     if (columns.length >= MAX_COLUMNS) return;
     const model = newModel.trim() || configState.model;
@@ -179,6 +210,7 @@ export default function CompareTab({ configState }: CompareTabProps) {
         ...(configState.systemPrompt
           ? [{ role: "system", content: configState.systemPrompt }]
           : []),
+        { role: "user", content: prompt },
       ],
     };
 
@@ -247,10 +279,8 @@ export default function CompareTab({ configState }: CompareTabProps) {
             accumulated += content;
             tracker.onChunk(1);
 
-            updateColumn(col.id, {
-              response: accumulated,
-              metrics: tracker.getMetrics(),
-            });
+            // Throttled: accumulate delta and flush once per animation frame
+            pushChunk(col.id, content);
           }
 
           const usage = parsed["usage"] as
@@ -269,6 +299,12 @@ export default function CompareTab({ configState }: CompareTabProps) {
       });
     } catch (err) {
       if (controller.signal.aborted) {
+        // Cancel any pending RAF for this column and clean up its pending delta
+        if (rafRef.current != null) {
+          cancelAnimationFrame(rafRef.current);
+          rafRef.current = null;
+        }
+        delete pendingRef.current[col.id];
         updateColumn(col.id, { status: "idle" });
         return;
       }
@@ -303,6 +339,18 @@ export default function CompareTab({ configState }: CompareTabProps) {
 
   return (
     <div className="flex flex-col h-full">
+      {/* Prompt input area */}
+      <div className="px-4 pt-3 pb-2 border-b border-border bg-bg-alt shrink-0">
+        <textarea
+          value={prompt}
+          onChange={(e) => setPrompt(e.target.value)}
+          placeholder="Enter your prompt here…"
+          rows={3}
+          className="w-full text-sm bg-surface border border-border rounded px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary text-text-main resize-y"
+          aria-label="User prompt"
+        />
+      </div>
+
       {/* Compare toolbar */}
       <div className="flex items-center gap-2 px-4 py-2 border-b border-border bg-bg-alt shrink-0">
         {/* Run / Cancel all */}
@@ -318,7 +366,7 @@ export default function CompareTab({ configState }: CompareTabProps) {
         ) : (
           <button
             onClick={() => void runAll()}
-            disabled={columns.length === 0}
+            disabled={columns.length === 0 || !prompt.trim()}
             className="flex items-center gap-1.5 text-xs px-3 py-1.5 rounded bg-primary text-white hover:bg-primary/90 transition-colors disabled:opacity-40 disabled:cursor-not-allowed"
             aria-label="Run all columns"
           >
diff --git a/src/app/(dashboard)/dashboard/playground/components/tabs/build/BuildWizard.tsx b/src/app/(dashboard)/dashboard/playground/components/tabs/build/BuildWizard.tsx
new file mode 100644
index 0000000000..ee51c1ee4f
--- /dev/null
+++ b/src/app/(dashboard)/dashboard/playground/components/tabs/build/BuildWizard.tsx
@@ -0,0 +1,294 @@
+"use client";
+
+// src/app/(dashboard)/dashboard/playground/components/tabs/build/BuildWizard.tsx
+
+import { useState } from "react";
+import { useTranslations } from "next-intl";
+import ToolsBuilder from "../../ToolsBuilder";
+import StructuredOutputEditor from "../../StructuredOutputEditor";
+import { useToolsBuilder } from "../../../hooks/useToolsBuilder";
+import { useStructuredOutput } from "../../../hooks/useStructuredOutput";
+
+type BuildMode = "tools" | "json" | "both";
+
+interface BuildWizardProps {
+  toolsBuilder: ReturnType<typeof useToolsBuilder>;
+  structuredOutput: ReturnType<typeof useStructuredOutput>;
+  running: boolean;
+  onRun: () => void;
+  prompt: string;
+  setPrompt: (value: string) => void;
+  result: React.ReactNode;
+}
+
+interface StepperProps {
+  currentStep: 1 | 2 | 3;
+}
+
+function Stepper({ currentStep }: StepperProps) {
+  const t = useTranslations("playground.build");
+
+  const steps: Array<{ num: 1 | 2 | 3; label: string }> = [
+    { num: 1, label: t("step1Label") },
+    { num: 2, label: t("step2Label") },
+    { num: 3, label: t("step3Label") },
+  ];
+
+  return (
+    <div className="flex items-center gap-0 px-4 py-3 border-b border-border bg-bg-alt shrink-0">
+      {steps.map((step, idx) => (
+        <div key={step.num} className="flex items-center">
+          {idx > 0 && (
+            <div
+              className={`h-px w-8 mx-2 transition-colors ${
+                currentStep > step.num ? "bg-primary" : "bg-border"
+              }`}
+            />
+          )}
+          <div className="flex items-center gap-1.5">
+            <span
+              className={`flex items-center justify-center w-5 h-5 rounded-full text-[11px] font-semibold transition-colors ${
+                currentStep === step.num
+                  ? "bg-primary text-white"
+                  : currentStep > step.num
+                    ? "bg-primary/20 text-primary"
+                    : "bg-border text-text-muted"
+              }`}
+            >
+              {currentStep > step.num ? (
+                <span className="material-symbols-outlined text-[12px]">check</span>
+              ) : (
+                step.num
+              )}
+            </span>
+            <span
+              className={`text-xs font-medium transition-colors ${
+                currentStep === step.num ? "text-text-main" : "text-text-muted"
+              }`}
+            >
+              {step.label}
+            </span>
+          </div>
+        </div>
+      ))}
+    </div>
+  );
+}
+
+interface ModeCardProps {
+  icon: string;
+  title: string;
+  description: string;
+  selected: boolean;
+  onClick: () => void;
+}
+
+function ModeCard({ icon, title, description, selected, onClick }: ModeCardProps) {
+  return (
+    <button
+      onClick={onClick}
+      className={`flex flex-col gap-2 p-4 rounded-xl border-2 text-left transition-all hover:shadow-sm ${
+        selected
+          ? "border-primary bg-primary/5"
+          : "border-border bg-surface hover:border-primary/40"
+      }`}
+    >
+      <span className="text-2xl">{icon}</span>
+      <span className={`text-sm font-semibold ${selected ? "text-primary" : "text-text-main"}`}>
+        {title}
+      </span>
+      <span className="text-xs text-text-muted leading-relaxed">{description}</span>
+    </button>
+  );
+}
+
+export default function BuildWizard({
+  toolsBuilder,
+  structuredOutput,
+  running,
+  onRun,
+  prompt,
+  setPrompt,
+  result,
+}: BuildWizardProps) {
+  const t = useTranslations("playground");
+  const tb = useTranslations("playground.build");
+
+  const [step, setStep] = useState<1 | 2 | 3>(1);
+  const [mode, setMode] = useState<BuildMode>("tools");
+
+  const includesTools = mode === "tools" || mode === "both";
+  const includesJson = mode === "json" || mode === "both";
+
+  function goToStep2() {
+    setStep(2);
+  }
+
+  function goToStep3() {
+    setStep(3);
+  }
+
+  function goBack() {
+    if (step === 2) setStep(1);
+    else if (step === 3) setStep(2);
+  }
+
+  return (
+    <div className="flex flex-col h-full overflow-hidden">
+      <Stepper currentStep={step} />
+
+      {/* Step 1: Mode picker */}
+      {step === 1 && (
+        <div className="flex-1 overflow-y-auto p-6 flex flex-col gap-6">
+          <div>
+            <h2 className="text-base font-semibold text-text-main mb-1">{tb("step1Title")}</h2>
+            <p className="text-xs text-text-muted">{tb("step1Subtitle")}</p>
+          </div>
+
+          <div className="grid grid-cols-1 sm:grid-cols-3 gap-3">
+            <ModeCard
+              icon="🔧"
+              title={tb("modeToolsTitle")}
+              description={tb("modeToolsDesc")}
+              selected={mode === "tools"}
+              onClick={() => setMode("tools")}
+            />
+            <ModeCard
+              icon="📋"
+              title={tb("modeJsonTitle")}
+              description={tb("modeJsonDesc")}
+              selected={mode === "json"}
+              onClick={() => setMode("json")}
+            />
+            <ModeCard
+              icon="🔧"
+              title={tb("modeBothTitle")}
+              description={tb("modeBothDesc")}
+              selected={mode === "both"}
+              onClick={() => setMode("both")}
+            />
+          </div>
+
+          <div className="flex justify-end pt-2">
+            <button
+              onClick={goToStep2}
+              className="flex items-center gap-1.5 text-sm px-4 py-2 rounded-lg bg-primary text-white hover:bg-primary/90 transition-colors"
+            >
+              {tb("nextButton")}
+              <span className="material-symbols-outlined text-[16px]">arrow_forward</span>
+            </button>
+          </div>
+        </div>
+      )}
+
+      {/* Step 2: Configure */}
+      {step === 2 && (
+        <div className="flex-1 overflow-y-auto p-6 flex flex-col gap-6">
+          <div>
+            <h2 className="text-base font-semibold text-text-main mb-1">{tb("step2Title")}</h2>
+            <p className="text-xs text-text-muted">{tb("step2Subtitle")}</p>
+          </div>
+
+          {includesTools && (
+            <div>
+              <h3 className="text-xs font-semibold text-text-muted uppercase tracking-wider mb-3">
+                {t("toolsLabel")}
+              </h3>
+              <ToolsBuilder toolsBuilder={toolsBuilder} />
+            </div>
+          )}
+
+          {includesJson && (
+            <div>
+              <h3 className="text-xs font-semibold text-text-muted uppercase tracking-wider mb-3">
+                {t("structuredOutputLabel")}
+              </h3>
+              <StructuredOutputEditor structuredOutput={structuredOutput} />
+            </div>
+          )}
+
+          <div className="flex items-center justify-between pt-2">
+            <button
+              onClick={goBack}
+              className="flex items-center gap-1.5 text-sm px-4 py-2 rounded-lg border border-border text-text-muted hover:text-text-main hover:bg-black/5 dark:hover:bg-white/5 transition-colors"
+            >
+              <span className="material-symbols-outlined text-[16px]">arrow_back</span>
+              {tb("backButton")}
+            </button>
+            <button
+              onClick={goToStep3}
+              className="flex items-center gap-1.5 text-sm px-4 py-2 rounded-lg bg-primary text-white hover:bg-primary/90 transition-colors"
+            >
+              {tb("nextButton")}
+              <span className="material-symbols-outlined text-[16px]">arrow_forward</span>
+            </button>
+          </div>
+        </div>
+      )}
+
+      {/* Step 3: Run */}
+      {step === 3 && (
+        <div className="flex-1 flex flex-col overflow-hidden">
+          {/* Toolbar */}
+          <div className="flex items-center gap-2 px-4 py-2 border-b border-border bg-bg-alt shrink-0">
+            <button
+              onClick={goBack}
+              className="flex items-center gap-1 text-xs px-2.5 py-1.5 rounded border border-border text-text-muted hover:text-text-main hover:bg-black/5 dark:hover:bg-white/5 transition-colors"
+            >
+              <span className="material-symbols-outlined text-[14px]">arrow_back</span>
+              {tb("backButton")}
+            </button>
+
+            <div className="w-px h-4 bg-border mx-1" />
+
+            <button
+              onClick={onRun}
+              disabled={running || (!prompt.trim())}
+              className="flex items-center gap-1.5 text-xs px-3 py-1.5 rounded bg-primary text-white hover:bg-primary/90 transition-colors disabled:opacity-40 disabled:cursor-not-allowed"
+            >
+              <span className="material-symbols-outlined text-[14px]">play_arrow</span>
+              {running ? t("running") : tb("runButton")}
+            </button>
+
+            <div className="ml-auto flex items-center gap-2 text-[11px] text-text-muted">
+              {includesTools && toolsBuilder.tools.length > 0 && (
+                <span className="px-1.5 py-0.5 rounded bg-primary/10 text-primary">
+                  {toolsBuilder.tools.length} tool{toolsBuilder.tools.length !== 1 ? "s" : ""}
+                </span>
+              )}
+              {includesJson && structuredOutput.enabled && (
+                <span className="px-1.5 py-0.5 rounded bg-green-500/10 text-green-600 dark:text-green-400">
+                  JSON mode
+                </span>
+              )}
+            </div>
+          </div>
+
+          {/* Result area (conversation + tool-call UI + validation badge) */}
+          <div className="flex-1 overflow-y-auto px-4 py-3">
+            {result}
+          </div>
+
+          {/* Prompt input */}
+          <div className="px-4 py-3 border-t border-border shrink-0">
+            <div className="flex items-end gap-2">
+              <textarea
+                value={prompt}
+                onChange={(e) => setPrompt(e.target.value)}
+                onKeyDown={(e) => {
+                  if (e.key === "Enter" && !e.shiftKey) {
+                    e.preventDefault();
+                    onRun();
+                  }
+                }}
+                placeholder={tb("promptPlaceholder")}
+                rows={2}
+                className="flex-1 text-sm bg-surface border border-border rounded-lg px-3 py-2 focus:outline-none focus:ring-1 focus:ring-primary text-text-main resize-none"
+              />
+            </div>
+          </div>
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/src/app/(dashboard)/dashboard/search-tools/components/SearchToolsTopBar.tsx b/src/app/(dashboard)/dashboard/search-tools/components/SearchToolsTopBar.tsx
index 474557d090..eed17217fe 100644
--- a/src/app/(dashboard)/dashboard/search-tools/components/SearchToolsTopBar.tsx
+++ b/src/app/(dashboard)/dashboard/search-tools/components/SearchToolsTopBar.tsx
@@ -86,12 +86,8 @@ export default function SearchToolsTopBar({
         </div>
       </div>
 
-      {exportState && (
-        <ExportCodeModal
-          isOpen={exportOpen}
-          onClose={() => setExportOpen(false)}
-          state={exportState}
-        />
+      {exportOpen && exportState != null && (
+        <ExportCodeModal onClose={() => setExportOpen(false)} state={exportState} />
       )}
     </>
   );
diff --git a/src/app/(dashboard)/dashboard/search-tools/components/tabs/CompareTab.tsx b/src/app/(dashboard)/dashboard/search-tools/components/tabs/CompareTab.tsx
index 408aa24baa..828f41adeb 100644
--- a/src/app/(dashboard)/dashboard/search-tools/components/tabs/CompareTab.tsx
+++ b/src/app/(dashboard)/dashboard/search-tools/components/tabs/CompareTab.tsx
@@ -5,9 +5,6 @@ import { useTranslations } from "next-intl";
 import Link from "next/link";
 import type { SearchProviderCatalogItem } from "@/shared/schemas/searchTools";
 
-/** D22 — max 4 providers in parallel */
-const MAX_PROVIDERS = 4;
-
 export interface CompareResult {
   provider: string;
   latency: number;
@@ -15,6 +12,7 @@ export interface CompareResult {
   resultCount: number;
   responseSize: number;
   urls: string[];
+  results: { title: string; url: string; snippet: string }[];
   error?: string;
 }
 
@@ -49,6 +47,17 @@ function getWorstIndex(values: number[], higherIsBetter = false): number {
     : values.indexOf(Math.max(...values));
 }
 
+/** Build a map of url → count across all compare results to find overlaps */
+function buildUrlCountMap(allResults: CompareResult[]): Map<string, number> {
+  const counts = new Map<string, number>();
+  for (const cr of allResults) {
+    for (const r of cr.results) {
+      if (r.url) counts.set(r.url, (counts.get(r.url) ?? 0) + 1);
+    }
+  }
+  return counts;
+}
+
 export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
   const t = useTranslations("search");
   const activeSearchProviders = providers.filter(
@@ -64,11 +73,18 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
   const toggleProvider = useCallback((id: string) => {
     setSelectedProviderIds((prev) => {
       if (prev.includes(id)) return prev.filter((p) => p !== id);
-      if (prev.length >= MAX_PROVIDERS) return prev; // cap 4 (D22)
       return [...prev, id];
     });
   }, []);
 
+  const selectAll = useCallback(() => {
+    setSelectedProviderIds(activeSearchProviders.map((p) => p.id));
+  }, [activeSearchProviders]);
+
+  const clearAll = useCallback(() => {
+    setSelectedProviderIds([]);
+  }, []);
+
   const handleRun = useCallback(async () => {
     if (!query.trim() || selectedProviderIds.length === 0) return;
     setLoading(true);
@@ -82,7 +98,7 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
           const res = await fetch("/api/v1/search", {
             method: "POST",
             headers: { "Content-Type": "application/json" },
-            body: JSON.stringify({ query, provider: providerId, max_results: 5 }),
+            body: JSON.stringify({ query, provider: providerId, max_results: 10 }),
           });
           const data = await res.json();
           const latency = Date.now() - start;
@@ -95,18 +111,25 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
               resultCount: 0,
               responseSize: 0,
               urls: [],
+              results: [],
               error: data?.error?.message ?? `Error ${res.status}`,
             } as CompareResult;
           }
 
           const respJson = JSON.stringify(data);
+          const rawResults = Array.isArray(data.results) ? data.results : [];
           return {
             provider: providerId,
             latency: data.metrics?.response_time_ms ?? latency,
             cost: data.usage?.search_cost_usd ?? 0,
-            resultCount: Array.isArray(data.results) ? data.results.length : 0,
+            resultCount: rawResults.length,
             responseSize: respJson.length,
-            urls: (data.results ?? []).map((r: { url: string }) => r.url),
+            urls: rawResults.map((r: { url: string }) => r.url),
+            results: rawResults.map((r: any) => ({
+              title: r.title ?? r.url ?? "",
+              url: r.url ?? "",
+              snippet: r.snippet ?? r.description ?? "",
+            })),
           } as CompareResult;
         } catch (err: unknown) {
           return {
@@ -116,6 +139,7 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
             resultCount: 0,
             responseSize: 0,
             urls: [],
+            results: [],
             error: err instanceof Error ? err.message : "Failed",
           } as CompareResult;
         }
@@ -132,6 +156,7 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
             resultCount: 0,
             responseSize: 0,
             urls: [],
+            results: [],
             error: "Request failed",
           } as CompareResult),
     );
@@ -146,20 +171,16 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
     }
   }, [query, selectedProviderIds, onMetrics]);
 
-  // Compute best/worst indices for coloring
+  // Compute best/worst indices for column header coloring
   const validResults = results.filter((r) => !r.error);
   const latencyValues = validResults.map((r) => r.latency);
   const costValues = validResults.map((r) => r.cost);
-  const sizeValues = validResults.map((r) => r.responseSize);
-  const countValues = validResults.map((r) => r.resultCount);
 
-  function getCellClass(resultIndex: number, values: number[], higherIsBetter = false): string {
-    const validIndex = validResults.findIndex((r) => r === results[resultIndex]);
-    if (validIndex < 0) return "text-error";
-    if (validIndex === getBestIndex(values, higherIsBetter)) return "text-success font-medium";
-    if (validIndex === getWorstIndex(values, higherIsBetter)) return "text-warning";
-    return "text-text-main";
-  }
+  const bestLatencyProvider = validResults[getBestIndex(latencyValues, false)]?.provider;
+  const bestCostProvider = validResults[getBestIndex(costValues, false)]?.provider;
+
+  // URL overlap map: url → number of providers that returned it
+  const urlCountMap = buildUrlCountMap(results);
 
   if (activeSearchProviders.length === 0) {
     return (
@@ -183,7 +204,7 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
 
   return (
     <div className="flex flex-col h-full p-4 space-y-4" data-testid="compare-tab">
-      {/* Query input */}
+      {/* Query + provider picker */}
       <div className="bg-surface border border-border rounded-lg p-4 space-y-3">
         <label
           htmlFor="compare-query"
@@ -214,15 +235,32 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
           </button>
         </div>
 
-        {/* Provider picker — max 4 (D22) */}
+        {/* Provider picker — no cap */}
         <div>
-          <p className="text-[10px] text-text-muted mb-2">
-            Providers ({selectedProviderIds.length}/{MAX_PROVIDERS}):
-          </p>
+          <div className="flex items-center justify-between mb-2">
+            <p className="text-[10px] text-text-muted">
+              Providers ({selectedProviderIds.length} selected):
+            </p>
+            <div className="flex gap-2">
+              <button
+                className="text-[10px] px-2 py-0.5 rounded border border-border text-text-muted hover:text-text-main hover:border-primary/30 transition-colors"
+                onClick={selectAll}
+                data-testid="select-all-providers"
+              >
+                Select all
+              </button>
+              <button
+                className="text-[10px] px-2 py-0.5 rounded border border-border text-text-muted hover:text-text-main hover:border-primary/30 transition-colors"
+                onClick={clearAll}
+                data-testid="clear-providers"
+              >
+                Clear
+              </button>
+            </div>
+          </div>
           <div className="flex flex-wrap gap-2">
             {activeSearchProviders.map((p) => {
               const selected = selectedProviderIds.includes(p.id);
-              const atCap = selectedProviderIds.length >= MAX_PROVIDERS && !selected;
               return (
                 <button
                   key={p.id}
@@ -230,12 +268,9 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
                     "px-2.5 py-1 rounded-md text-xs font-medium transition-colors border",
                     selected
                       ? "bg-primary/15 text-primary border-primary/30"
-                      : atCap
-                        ? "text-text-muted border-border opacity-50 cursor-not-allowed"
-                        : "text-text-muted border-border hover:text-text-main hover:border-primary/30",
+                      : "text-text-muted border-border hover:text-text-main hover:border-primary/30",
                   ].join(" ")}
-                  onClick={() => !atCap && toggleProvider(p.id)}
-                  disabled={atCap}
+                  onClick={() => toggleProvider(p.id)}
                   data-testid={`provider-toggle-${p.id}`}
                   aria-pressed={selected}
                 >
@@ -244,11 +279,6 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
               );
             })}
           </div>
-          {selectedProviderIds.length >= MAX_PROVIDERS && (
-            <p className="text-[10px] text-warning mt-1">
-              Máximo de {MAX_PROVIDERS} providers atingido (D22)
-            </p>
-          )}
         </div>
       </div>
 
@@ -264,7 +294,7 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
         </div>
       )}
 
-      {/* Results table */}
+      {/* Layout A — side-by-side columns */}
       {hasRun && !loading && results.length > 0 && (
         <div
           className="bg-surface border border-border rounded-lg overflow-hidden"
@@ -272,87 +302,117 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
         >
           <div className="px-4 py-2.5 bg-bg-alt border-b border-border">
             <span className="text-xs font-semibold text-text-muted uppercase tracking-wider">
-              Resultados — &ldquo;{query}&rdquo;
+              Results — &ldquo;{query}&rdquo;
             </span>
           </div>
           <div className="overflow-x-auto">
-            <table className="w-full text-xs">
-              <thead>
-                <tr className="border-b border-border">
-                  <th className="text-left p-2 text-text-muted font-semibold w-24" />
-                  {results.map((r) => (
-                    <th
-                      key={r.provider}
-                      className="text-center p-2 font-semibold text-text-muted"
-                    >
-                      {r.provider.replace("-search", "")}
-                    </th>
-                  ))}
-                </tr>
-              </thead>
-              <tbody>
-                <tr className="border-b border-border/50">
-                  <td className="p-2 text-text-muted">Latência</td>
-                  {results.map((r, i) => (
-                    <td
-                      key={r.provider}
-                      className={`text-center p-2 ${r.error ? "text-error" : getCellClass(i, latencyValues, false)}`}
-                    >
-                      {r.error ? "Erro" : `${r.latency}ms`}
-                    </td>
-                  ))}
-                </tr>
-                <tr className="border-b border-border/50">
-                  <td className="p-2 text-text-muted">Custo</td>
-                  {results.map((r, i) => (
-                    <td
-                      key={r.provider}
-                      className={`text-center p-2 ${r.error ? "text-error" : getCellClass(i, costValues, false)}`}
-                    >
-                      {r.error ? "Erro" : `$${r.cost.toFixed(4)}`}
-                    </td>
-                  ))}
-                </tr>
-                <tr className="border-b border-border/50">
-                  <td className="p-2 text-text-muted">Resultados</td>
-                  {results.map((r, i) => (
-                    <td
-                      key={r.provider}
-                      className={`text-center p-2 ${r.error ? "text-error" : getCellClass(i, countValues, true)}`}
-                    >
-                      {r.error ? "Erro" : r.resultCount}
-                    </td>
-                  ))}
-                </tr>
-                <tr className="border-b border-border/50">
-                  <td className="p-2 text-text-muted">{t("size")}</td>
-                  {results.map((r, i) => (
-                    <td
-                      key={r.provider}
-                      className={`text-center p-2 ${r.error ? "text-error" : getCellClass(i, sizeValues, false)}`}
-                    >
-                      {r.error ? "Erro" : formatBytes(r.responseSize)}
-                    </td>
-                  ))}
-                </tr>
-                <tr>
-                  <td className="p-2 text-text-muted">URL overlap</td>
-                  {results.map((r, idx) => {
-                    const baseUrls = results[0]?.urls ?? [];
-                    return (
-                      <td key={r.provider} className="text-center p-2 text-text-main">
-                        {r.error
-                          ? "Erro"
-                          : idx === 0
-                            ? "—"
-                            : computeOverlap(baseUrls, r.urls)}
-                      </td>
-                    );
-                  })}
-                </tr>
-              </tbody>
-            </table>
+            <div className="flex gap-3 p-3" style={{ minWidth: `${results.length * 296}px` }}>
+              {results.map((cr) => {
+                const isBestLatency = !cr.error && cr.provider === bestLatencyProvider;
+                const isBestCost = !cr.error && cr.provider === bestCostProvider;
+
+                return (
+                  <div
+                    key={cr.provider}
+                    className="min-w-[280px] w-[280px] shrink-0 flex flex-col rounded-lg border border-border bg-surface overflow-hidden"
+                    data-testid={`compare-col-${cr.provider}`}
+                  >
+                    {/* Column header */}
+                    <div className="px-3 py-2 bg-bg-alt border-b border-border">
+                      <p className="text-xs font-semibold text-text-main truncate mb-1">
+                        {cr.provider.replace("-search", "")}
+                      </p>
+                      {cr.error ? (
+                        <p className="text-[10px] text-red-400 truncate">{cr.error}</p>
+                      ) : (
+                        <div className="flex flex-wrap gap-x-2 gap-y-0.5 text-[10px] text-text-muted">
+                          <span className={isBestLatency ? "text-emerald-400 font-medium" : ""}>
+                            {cr.latency}ms
+                          </span>
+                          <span className={isBestCost ? "text-emerald-400 font-medium" : ""}>
+                            ${cr.cost.toFixed(4)}
+                          </span>
+                          <span>{cr.resultCount} results</span>
+                          <span>{formatBytes(cr.responseSize)}</span>
+                        </div>
+                      )}
+                    </div>
+
+                    {/* Results list */}
+                    <div className="flex flex-col divide-y divide-border overflow-y-auto max-h-[600px]">
+                      {cr.error ? (
+                        <div className="p-3">
+                          <p className="text-xs text-red-400">{cr.error}</p>
+                        </div>
+                      ) : cr.results.length === 0 ? (
+                        <div className="p-3">
+                          <p className="text-xs text-text-muted">No results</p>
+                        </div>
+                      ) : (
+                        cr.results.map((r, idx) => {
+                          const isShared = (urlCountMap.get(r.url) ?? 0) > 1;
+                          return (
+                            <div key={idx} className="p-3 space-y-0.5">
+                              <div className="flex items-start gap-1">
+                                {isShared && (
+                                  <span
+                                    className="text-emerald-400 text-[11px] mt-0.5 shrink-0"
+                                    title="in common with another provider"
+                                    aria-label="in common"
+                                  >
+                                    ⭐
+                                  </span>
+                                )}
+                                <a
+                                  href={r.url}
+                                  target="_blank"
+                                  rel="noopener noreferrer"
+                                  className="font-medium text-sm text-text-main hover:text-primary leading-snug"
+                                >
+                                  {r.title || r.url}
+                                </a>
+                              </div>
+                              {r.snippet && (
+                                <p className="text-xs text-text-muted line-clamp-2 leading-relaxed">
+                                  {r.snippet}
+                                </p>
+                              )}
+                              <p className="text-[10px] text-text-muted truncate">{r.url}</p>
+                            </div>
+                          );
+                        })
+                      )}
+                    </div>
+                  </div>
+                );
+              })}
+            </div>
           </div>
+
+          {/* Overlap summary footer */}
+          {results.length >= 2 && (
+            <div className="px-4 py-2 bg-bg-alt border-t border-border">
+              <div className="flex flex-wrap gap-3 text-[10px] text-text-muted">
+                {results.slice(1).map((cr) => {
+                  const baseUrls = results[0]?.urls ?? [];
+                  return (
+                    <span key={cr.provider}>
+                      <span className="font-medium text-text-main">
+                        {results[0]?.provider.replace("-search", "")}
+                      </span>
+                      {" vs "}
+                      <span className="font-medium text-text-main">
+                        {cr.provider.replace("-search", "")}
+                      </span>
+                      {": "}
+                      {cr.error ? "—" : computeOverlap(baseUrls, cr.urls)}{" "}
+                      in common
+                    </span>
+                  );
+                })}
+              </div>
+            </div>
+          )}
         </div>
       )}
 
@@ -364,10 +424,10 @@ export default function CompareTab({ providers, onMetrics }: CompareTabProps) {
         >
           <span className="text-3xl mb-3" aria-hidden="true">⚖</span>
           <p className="text-sm text-text-muted mb-1">
-            Selecione até {MAX_PROVIDERS} providers e insira uma query
+            Select providers and enter a query to compare
           </p>
           <p className="text-xs text-text-muted">
-            Os resultados serão comparados lado a lado com latência, custo e overlap de URLs
+            Results will be shown side by side with latency, cost, and URL overlap
           </p>
         </div>
       )}
diff --git a/src/app/(dashboard)/dashboard/tools/agent-bridge/AgentBridgePageClient.tsx b/src/app/(dashboard)/dashboard/tools/agent-bridge/AgentBridgePageClient.tsx
index 91184a9b8e..925f761952 100644
--- a/src/app/(dashboard)/dashboard/tools/agent-bridge/AgentBridgePageClient.tsx
+++ b/src/app/(dashboard)/dashboard/tools/agent-bridge/AgentBridgePageClient.tsx
@@ -8,7 +8,7 @@ import { AgentBridgeServerCard } from "./components/AgentBridgeServerCard";
 import { AgentList } from "./components/AgentList";
 import { EmptyStateNoProviders } from "./components/EmptyStateNoProviders";
 import { useAgentBridgeState } from "./hooks/useAgentBridgeState";
-import type { MitmTarget } from "@/mitm/types";
+import type { MitmTargetView } from "@/mitm/types";
 import type { MappingRow } from "./components/ModelMappingTable";
 
 // ── Types ────────────────────────────────────────────────────────────────────
@@ -43,7 +43,7 @@ export interface AgentBridgePageData {
 
 interface AgentBridgePageClientProps {
   initialData: AgentBridgePageData;
-  targets: MitmTarget[];
+  targets: MitmTargetView[];
   hasProviders: boolean;
 }
 
diff --git a/src/app/(dashboard)/dashboard/tools/agent-bridge/components/AgentCard.tsx b/src/app/(dashboard)/dashboard/tools/agent-bridge/components/AgentCard.tsx
index b3be7f29bf..0d1bf052aa 100644
--- a/src/app/(dashboard)/dashboard/tools/agent-bridge/components/AgentCard.tsx
+++ b/src/app/(dashboard)/dashboard/tools/agent-bridge/components/AgentCard.tsx
@@ -7,7 +7,7 @@ import { DnsStatusBadge } from "./shared/DnsStatusBadge";
 import { ModelMappingTable } from "./ModelMappingTable";
 import { SetupWizard } from "./SetupWizard";
 import { RiskNoticeModal } from "@/shared/components/RiskNoticeModal";
-import type { MitmTarget } from "@/mitm/types";
+import type { MitmTargetView } from "@/mitm/types";
 import type { AgentStateEntry } from "../AgentBridgePageClient";
 import type { MappingRow } from "./ModelMappingTable";
 
@@ -23,7 +23,7 @@ function hasAcceptedRisk(agentId: string): boolean {
 
 
 interface AgentCardProps {
-  target: MitmTarget;
+  target: MitmTargetView;
   agentState: AgentStateEntry | undefined;
   serverRunning: boolean;
   mappings: MappingRow[];
diff --git a/src/app/(dashboard)/dashboard/tools/agent-bridge/components/AgentList.tsx b/src/app/(dashboard)/dashboard/tools/agent-bridge/components/AgentList.tsx
index d2f97e9bf0..d2fca8c359 100644
--- a/src/app/(dashboard)/dashboard/tools/agent-bridge/components/AgentList.tsx
+++ b/src/app/(dashboard)/dashboard/tools/agent-bridge/components/AgentList.tsx
@@ -3,12 +3,12 @@
 import { useState } from "react";
 import { useTranslations } from "next-intl";
 import { AgentCard } from "./AgentCard";
-import type { MitmTarget } from "@/mitm/types";
+import type { MitmTargetView } from "@/mitm/types";
 import type { AgentStateEntry, AgentMappingsMap } from "../AgentBridgePageClient";
 import type { MappingRow } from "./ModelMappingTable";
 
 interface AgentListProps {
-  targets: MitmTarget[];
+  targets: MitmTargetView[];
   agentStates: AgentStateEntry[];
   serverRunning: boolean;
   mappingsMap: AgentMappingsMap;
diff --git a/src/app/(dashboard)/dashboard/tools/agent-bridge/components/SetupWizard.tsx b/src/app/(dashboard)/dashboard/tools/agent-bridge/components/SetupWizard.tsx
index dac0f8a7ad..59111ec325 100644
--- a/src/app/(dashboard)/dashboard/tools/agent-bridge/components/SetupWizard.tsx
+++ b/src/app/(dashboard)/dashboard/tools/agent-bridge/components/SetupWizard.tsx
@@ -3,10 +3,10 @@
 import { useEffect, useState } from "react";
 import { useTranslations } from "next-intl";
 import type { AgentStateEntry } from "../AgentBridgePageClient";
-import type { MitmTarget } from "@/mitm/types";
+import type { MitmTargetView } from "@/mitm/types";
 
 interface SetupWizardProps {
-  target: MitmTarget;
+  target: MitmTargetView;
   agentState: AgentStateEntry | undefined;
   serverRunning: boolean;
   onClose: () => void;
diff --git a/src/app/(dashboard)/dashboard/tools/agent-bridge/page.tsx b/src/app/(dashboard)/dashboard/tools/agent-bridge/page.tsx
index 1280339fdc..f72049d483 100644
--- a/src/app/(dashboard)/dashboard/tools/agent-bridge/page.tsx
+++ b/src/app/(dashboard)/dashboard/tools/agent-bridge/page.tsx
@@ -54,7 +54,7 @@ export default async function AgentBridgePage() {
   return (
     <AgentBridgePageClient
       initialData={initialData}
-      targets={ALL_TARGETS}
+      targets={ALL_TARGETS.map(({ handler, ...rest }) => rest)}
       hasProviders={hasProviders}
     />
   );
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index 17156a6e8d..cdf202d968 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -1283,7 +1283,45 @@
     "a2aNoTasks": "No A2A tasks recorded.",
     "a2aLoadingTasks": "Loading A2A tasks...",
     "actor": "Actor",
-    "actorPlaceholder": "Filter by actor"
+    "actorPlaceholder": "Filter by actor",
+    "eventTypes": {
+      "apiKey.activate": "API Key Activated",
+      "apiKey.ban": "API Key Banned",
+      "apiKey.deactivate": "API Key Deactivated",
+      "apiKey.regenerate": "API Key Regenerated",
+      "apiKey.scopes.grant": "API Key Scopes Granted",
+      "apiKey.scopes.revoke": "API Key Scopes Revoked",
+      "apiKey.scopes.update": "API Key Scopes Updated",
+      "apiKey.unban": "API Key Unbanned",
+      "auth.login.error": "Login Error",
+      "auth.login.failed": "Login Failed",
+      "auth.login.locked": "Login Locked",
+      "auth.login.misconfigured": "Login Misconfigured",
+      "auth.login.setup_required": "Login Setup Required",
+      "auth.login.success": "Login Success",
+      "auth.logout.success": "Logout Success",
+      "compliance.cleanup": "Compliance Cleanup",
+      "provider.credentials.applied": "Provider Credentials Applied",
+      "provider.credentials.batch_revoked": "Provider Credentials Batch Revoked",
+      "provider.credentials.bulk_created": "Provider Credentials Bulk Created",
+      "provider.credentials.bulk_imported": "Provider Credentials Bulk Imported",
+      "provider.credentials.created": "Provider Credentials Created",
+      "provider.credentials.imported": "Provider Credentials Imported",
+      "provider.credentials.revoked": "Provider Credentials Revoked",
+      "provider.credentials.updated": "Provider Credentials Updated",
+      "provider.validation.ssrf_blocked": "Provider SSRF Blocked",
+      "quota.plan.updated": "Quota Plan Updated",
+      "quota.pool.created": "Quota Pool Created",
+      "quota.pool.deleted": "Quota Pool Deleted",
+      "quota.pool.updated": "Quota Pool Updated",
+      "quota.store.driver_changed": "Quota Store Driver Changed",
+      "server.start": "Server Start",
+      "service.reveal_api_key": "Service API Key Revealed",
+      "settings.update": "Settings Updated",
+      "settings.update_failed": "Settings Update Failed",
+      "sync.token.created": "Sync Token Created",
+      "sync.token.revoked": "Sync Token Revoked"
+    }
   },
   "themesPage": {
     "title": "Themes",
@@ -3254,7 +3292,8 @@
       "qdrantOk": "Healthy ({latencyMs}ms)",
       "qdrantError": "Connection error",
       "needsReindex": "{count} memory(ies) need reindexing",
-      "configureCta": "Configure"
+      "configureCta": "Configure",
+      "vectorStoreInstallHint": "To enable vector search: npm install sqlite-vec (needs native Node.js, not WASM), then restart."
     },
     "episodic": "Episodic",
     "export": "Export",
@@ -3365,7 +3404,8 @@
       "semantic": "Concepts, preferences, and domain knowledge"
     },
     "totalEntries": "Total Entries",
-    "type": "Type"
+    "type": "Type",
+    "memoryEnabled": "Memory enabled"
   },
   "skills": {
     "title": "Skills",
@@ -5643,7 +5683,11 @@
     "vercelRelayProjectNameLabel": "Vercel Project Name",
     "vercelRelayFreeTierNote": "Relays are lightweight proxy endpoints deployed on Vercel's free tier to bypass local network/region limitations.",
     "vercelRelayDeploying": "Deploying...",
-    "vercelRelayDeploy": "Deploy"
+    "vercelRelayDeploy": "Deploy",
+    "proxyGlobalConfigTab": "Global Config",
+    "proxyPoolTab": "Proxy Pool",
+    "freePoolTab": "Free Pool",
+    "proxyDocumentationTab": "Documentation"
   },
   "contextRtk": {
     "title": "RTK Engine",
@@ -7500,7 +7544,27 @@
     "invalidJson": "Invalid JSON",
     "running": "Running…",
     "runLabel": "Run",
-    "enterToolResult": "Enter tool result…"
+    "enterToolResult": "Enter tool result…",
+    "build": {
+      "step1Label": "What to test?",
+      "step2Label": "Configure",
+      "step3Label": "Run",
+      "step1Title": "What do you want to test?",
+      "step1Subtitle": "Choose the capability you want to explore in this session.",
+      "step2Title": "Configure",
+      "step2Subtitle": "Set up the tools or JSON schema that will be used in the request.",
+      "step3Title": "Run",
+      "modeToolsTitle": "Tools",
+      "modeToolsDesc": "Test function calling — define tools and see how the model invokes them.",
+      "modeJsonTitle": "JSON",
+      "modeJsonDesc": "Test structured output — constrain the response to a JSON schema.",
+      "modeBothTitle": "Tools + JSON",
+      "modeBothDesc": "Combine function calling and structured output in a single request.",
+      "backButton": "Back",
+      "nextButton": "Next",
+      "runButton": "Run",
+      "promptPlaceholder": "Enter your message… (Enter to send, Shift+Enter for newline)"
+    }
   },
   "miniPlayground": {
     "endpoint": "Endpoint",
diff --git a/src/i18n/messages/pt-BR.json b/src/i18n/messages/pt-BR.json
index 589a6400ef..5dcfa9391f 100644
--- a/src/i18n/messages/pt-BR.json
+++ b/src/i18n/messages/pt-BR.json
@@ -2465,7 +2465,45 @@
     "a2aNoTasks": "Nenhuma tarefa A2A registrada.",
     "a2aLoadingTasks": "Carregando tarefas A2A...",
     "actor": "Autor",
-    "actorPlaceholder": "Filtrar por autor"
+    "actorPlaceholder": "Filtrar por autor",
+    "eventTypes": {
+      "apiKey.activate": "API Key Ativada",
+      "apiKey.ban": "API Key Banida",
+      "apiKey.deactivate": "API Key Desativada",
+      "apiKey.regenerate": "API Key Regenerada",
+      "apiKey.scopes.grant": "Escopos de API Key Concedidos",
+      "apiKey.scopes.revoke": "Escopos de API Key Revogados",
+      "apiKey.scopes.update": "Escopos de API Key Atualizados",
+      "apiKey.unban": "API Key Desbanida",
+      "auth.login.error": "Erro de Login",
+      "auth.login.failed": "Login Falhou",
+      "auth.login.locked": "Login Bloqueado",
+      "auth.login.misconfigured": "Login Mal Configurado",
+      "auth.login.setup_required": "Configuração de Login Necessária",
+      "auth.login.success": "Login com Sucesso",
+      "auth.logout.success": "Logout com Sucesso",
+      "compliance.cleanup": "Limpeza de Conformidade",
+      "provider.credentials.applied": "Credenciais do Provedor Aplicadas",
+      "provider.credentials.batch_revoked": "Credenciais do Provedor Revogadas em Lote",
+      "provider.credentials.bulk_created": "Credenciais do Provedor Criadas em Massa",
+      "provider.credentials.bulk_imported": "Credenciais do Provedor Importadas em Massa",
+      "provider.credentials.created": "Credenciais do Provedor Criadas",
+      "provider.credentials.imported": "Credenciais do Provedor Importadas",
+      "provider.credentials.revoked": "Credenciais do Provedor Revogadas",
+      "provider.credentials.updated": "Credenciais do Provedor Atualizadas",
+      "provider.validation.ssrf_blocked": "SSRF do Provedor Bloqueado",
+      "quota.plan.updated": "Plano de Cota Atualizado",
+      "quota.pool.created": "Pool de Cota Criado",
+      "quota.pool.deleted": "Pool de Cota Excluído",
+      "quota.pool.updated": "Pool de Cota Atualizado",
+      "quota.store.driver_changed": "Driver do Store de Cota Alterado",
+      "server.start": "Servidor Iniciado",
+      "service.reveal_api_key": "API Key do Serviço Revelada",
+      "settings.update": "Configurações Atualizadas",
+      "settings.update_failed": "Falha ao Atualizar Configurações",
+      "sync.token.created": "Token de Sincronização Criado",
+      "sync.token.revoked": "Token de Sincronização Revogado"
+    }
   },
   "contextCaveman": {
     "title": "Motor Caveman",
@@ -3841,7 +3879,8 @@
       "qdrantOk": "Saudável ({latencyMs}ms)",
       "qdrantError": "Erro de conexão",
       "needsReindex": "{count} memória(s) precisam de reindexação",
-      "configureCta": "Configurar"
+      "configureCta": "Configurar",
+      "vectorStoreInstallHint": "Para ativar a busca vetorial: npm install sqlite-vec (requer Node.js nativo, não WASM) e reinicie."
     },
     "episodic": "Episódica",
     "export": "Exportar",
@@ -3952,7 +3991,8 @@
       "semantic": "Conceitos, preferências e conhecimento de domínio"
     },
     "totalEntries": "Total de Entradas",
-    "type": "Tipo"
+    "type": "Tipo",
+    "memoryEnabled": "Memória ativada"
   },
   "miniPlayground": {
     "endpoint": "Endpoint",
@@ -4261,7 +4301,27 @@
     "invalidJson": "JSON inválido",
     "running": "Executando…",
     "runLabel": "Executar",
-    "enterToolResult": "Insira o resultado da ferramenta…"
+    "enterToolResult": "Insira o resultado da ferramenta…",
+    "build": {
+      "step1Label": "O que testar?",
+      "step2Label": "Configurar",
+      "step3Label": "Rodar",
+      "step1Title": "O que você quer testar?",
+      "step1Subtitle": "Escolha a funcionalidade que deseja explorar nesta sessão.",
+      "step2Title": "Configurar",
+      "step2Subtitle": "Configure as ferramentas ou o esquema JSON que serão usados na requisição.",
+      "step3Title": "Rodar",
+      "modeToolsTitle": "Ferramentas",
+      "modeToolsDesc": "Teste function calling — defina ferramentas e veja como o modelo as invoca.",
+      "modeJsonTitle": "JSON",
+      "modeJsonDesc": "Teste saída estruturada — restrinja a resposta a um esquema JSON.",
+      "modeBothTitle": "Ferramentas + JSON",
+      "modeBothDesc": "Combine function calling e saída estruturada em uma única requisição.",
+      "backButton": "Voltar",
+      "nextButton": "Próximo",
+      "runButton": "Executar",
+      "promptPlaceholder": "Digite sua mensagem… (Enter para enviar, Shift+Enter para nova linha)"
+    }
   },
   "pricingModal": {
     "title": "Configuração de preços",
@@ -6628,7 +6688,11 @@
     "homeQuickStart": "Quick Start",
     "homeQuickStartDesc": "Show the Quick Start panel on the Home page.",
     "homeProviderTopology": "Provider Topology",
-    "homeProviderTopologyDesc": "Show the Provider Topology on the Home page."
+    "homeProviderTopologyDesc": "Show the Provider Topology on the Home page.",
+    "proxyGlobalConfigTab": "Configuração Global",
+    "proxyPoolTab": "Pool de Proxy",
+    "freePoolTab": "Pool Gratuito",
+    "proxyDocumentationTab": "Documentação"
   },
   "sidebar": {
     "home": "Início",
diff --git a/src/mitm/types.ts b/src/mitm/types.ts
index 2ed90b65dc..a153cd6d93 100644
--- a/src/mitm/types.ts
+++ b/src/mitm/types.ts
@@ -38,6 +38,13 @@ export interface MitmTarget {
   viability?: "investigating" | "supported" | "deprecated";  // Trae = "investigating"
 }
 
+/**
+ * Serializable view of a MitmTarget for Server→Client Component props.
+ * Omits `handler` (a function): Next.js forbids passing functions across the
+ * Server/Client boundary, and the UI never invokes it. See agent-bridge/page.tsx.
+ */
+export type MitmTargetView = Omit<MitmTarget, "handler">;
+
 export const MitmTargetSchema = z.object({
   id: z.enum([
     "antigravity", "kiro", "copilot", "codex", "cursor", "zed",
diff --git a/src/server/authz/policies/management.ts b/src/server/authz/policies/management.ts
index 27efce2aaa..e4832d078a 100644
--- a/src/server/authz/policies/management.ts
+++ b/src/server/authz/policies/management.ts
@@ -13,12 +13,22 @@ import {
   isLocalOnlyBypassableByManageScope,
   isLocalOnlyPath,
   isLoopbackHost,
+  isPrivateLanHost,
 } from "../routeGuard";
 
 const MODEL_SYNC_MANAGEMENT_PATH = /^\/api\/providers\/[^/]+\/(sync-models|models)$/;
 
 function requestPeerAddress(ctx: PolicyContext): string | null {
-  return ctx.request.ip || ctx.request.socket?.remoteAddress || null;
+  // In the Next middleware runtime (proxy.ts → runAuthzPipeline), ctx.request is
+  // a NextRequest with no socket/.ip, so the only locality signal is the Host
+  // header — which is exactly what isLoopbackHost/isPrivateLanHost parse (they
+  // strip :port). This both fixes the loopback gate (previously the null socket
+  // made every LOCAL_ONLY request 403, even from localhost) and enables the
+  // owner-authorized private-LAN carve-out. Fall back to .ip/.socket for any
+  // non-middleware caller that provides them. Spawn-capable endpoints still
+  // require manage-scope auth after this gate.
+  const hostHeader = ctx.request.headers?.get?.("host") ?? null;
+  return hostHeader || ctx.request.ip || ctx.request.socket?.remoteAddress || null;
 }
 
 function isLoopbackRequest(ctx: PolicyContext): boolean {
@@ -26,6 +36,14 @@ function isLoopbackRequest(ctx: PolicyContext): boolean {
   return peerAddress ? isLoopbackHost(peerAddress) : false;
 }
 
+// Owner-authorized (2026-05-30): allow LOCAL_ONLY *paths* from a trusted private
+// LAN, based on the real socket peer IP (not spoofable). Does NOT relax the
+// CLI-token gate, which stays strictly loopback.
+function isPrivateLanRequest(ctx: PolicyContext): boolean {
+  const peerAddress = requestPeerAddress(ctx);
+  return peerAddress ? isPrivateLanHost(peerAddress) : false;
+}
+
 function hasValidCliToken(ctx: PolicyContext): boolean {
   if (!isLoopbackRequest(ctx)) return false;
   const headers = ctx.request.headers;
@@ -70,7 +88,7 @@ export const managementPolicy: RoutePolicy = {
     //
     // Anonymous (no Bearer / invalid key / wrong scope / no session) requests
     // still hit the same 403 LOCAL_ONLY they did before.
-    if (isLocalOnlyPath(path) && !isLoopbackRequest(ctx)) {
+    if (isLocalOnlyPath(path) && !isLoopbackRequest(ctx) && !isPrivateLanRequest(ctx)) {
       if (isLocalOnlyBypassableByManageScope(path)) {
         const apiKey = extractApiKey(ctx.request as unknown as Request);
         if (apiKey) {
diff --git a/src/server/authz/routeGuard.ts b/src/server/authz/routeGuard.ts
index 5cf979986b..44ec9409cf 100644
--- a/src/server/authz/routeGuard.ts
+++ b/src/server/authz/routeGuard.ts
@@ -89,6 +89,39 @@ export function isLoopbackHost(hostHeader: string | null): boolean {
   return LOOPBACK_HOSTS.has(host.toLowerCase());
 }
 
+/**
+ * Private-LAN ranges (RFC 1918 IPv4 + IPv6 ULA/link-local). Matched against the
+ * real socket peer address (NOT the spoofable Host header), so a public-internet
+ * client — which presents a public source IP — never matches.
+ */
+const PRIVATE_LAN_PATTERNS: ReadonlyArray<RegExp> = [
+  /^10\.\d{1,3}\.\d{1,3}\.\d{1,3}$/,
+  /^192\.168\.\d{1,3}\.\d{1,3}$/,
+  /^172\.(1[6-9]|2\d|3[01])\.\d{1,3}\.\d{1,3}$/,
+  /^f[cd][0-9a-f]{2}:/i, // IPv6 ULA fc00::/7
+  /^fe80:/i, // IPv6 link-local
+];
+
+/**
+ * True when the peer address is a private-LAN address. Used to widen the
+ * LOCAL_ONLY tier to a trusted private network (owner-authorized 2026-05-30 for
+ * a LAN-deployed instance). Loopback-only surfaces that do NOT use this (e.g.
+ * the CLI-token path) remain strictly loopback.
+ */
+export function isPrivateLanHost(hostHeader: string | null): boolean {
+  if (!hostHeader) return false;
+  let host = hostHeader.trim();
+  if (host.startsWith("[")) {
+    const bracketEnd = host.indexOf("]");
+    host = bracketEnd >= 0 ? host.slice(1, bracketEnd) : host.slice(1);
+  }
+  host = host.replace(/^::ffff:/i, "");
+  // Strip :port only for IPv4 / hostname (a lone colon); leave IPv6 intact.
+  if ((host.match(/:/g) || []).length === 1) host = host.split(":")[0];
+  host = host.toLowerCase();
+  return PRIVATE_LAN_PATTERNS.some((re) => re.test(host));
+}
+
 export function isLocalOnlyPath(path: string): boolean {
   return LOCAL_ONLY_API_PREFIXES.some((p) => path === p || path.startsWith(p));
 }
diff --git a/src/shared/components/Select.tsx b/src/shared/components/Select.tsx
index 5284aecdee..8abcfd7755 100644
--- a/src/shared/components/Select.tsx
+++ b/src/shared/components/Select.tsx
@@ -30,6 +30,7 @@ export default function Select({
   className,
   selectClassName,
   id: externalId,
+  children,
   ...props
 }: SelectProps) {
   const generatedId = useId();
@@ -71,14 +72,18 @@ export default function Select({
           )}
           {...props}
         >
-          <option value="" disabled className="bg-surface text-text-muted">
-            {placeholder}
-          </option>
-          {options.map((option) => (
-            <option key={option.value} value={option.value} className="bg-surface text-text-main">
-              {option.label}
+          {!children && placeholder && (
+            <option value="" disabled className="bg-surface text-text-muted">
+              {placeholder}
             </option>
-          ))}
+          )}
+          {!children &&
+            options.map((option) => (
+              <option key={option.value} value={option.value} className="bg-surface text-text-main">
+                {option.label}
+              </option>
+            ))}
+          {children}
         </select>
         <div
           className="absolute inset-y-0 right-0 flex items-center pr-3 pointer-events-none text-text-muted"
diff --git a/tests/unit/agent-bridge-targets-serializable.test.ts b/tests/unit/agent-bridge-targets-serializable.test.ts
new file mode 100644
index 0000000000..4afb647610
--- /dev/null
+++ b/tests/unit/agent-bridge-targets-serializable.test.ts
@@ -0,0 +1,33 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { ALL_TARGETS } from "../../src/mitm/targets/index.ts";
+
+// Regression guard for the agent-bridge "erro ao carregar" bug.
+//
+// `agent-bridge/page.tsx` is a Server Component that passes `targets` to the
+// `AgentBridgePageClient` Client Component. Each MitmTarget carries a
+// `handler: () => Promise<...>` function. Next.js forbids passing functions
+// across the Server/Client boundary, raising at runtime:
+//   "Functions cannot be passed directly to Client Components ..."
+// which broke SSR for the whole page. The fix sanitizes the array via
+//   ALL_TARGETS.map(({ handler, ...rest }) => rest)
+// (a MitmTargetView). These tests pin both halves of that contract.
+
+test("agent-bridge: sanitized targets (no handler) are fully serializable for Client Components", () => {
+  const views = ALL_TARGETS.map(({ handler, ...rest }) => rest);
+  assert.ok(views.length > 0, "expected at least one MITM target");
+  for (const v of views) {
+    const id = (v as { id?: string }).id ?? "<unknown>";
+    assert.equal("handler" in v, false, `${id}: handler must be stripped before crossing to a Client Component`);
+    for (const [key, value] of Object.entries(v)) {
+      assert.notEqual(typeof value, "function", `${id}.${key} must not be a function (non-serializable)`);
+    }
+    assert.doesNotThrow(() => JSON.parse(JSON.stringify(v)), `${id} must be JSON-serializable`);
+  }
+});
+
+test("agent-bridge: raw ALL_TARGETS still carry a handler function (so the sanitization is required)", () => {
+  for (const t of ALL_TARGETS) {
+    assert.equal(typeof t.handler, "function", `${t.id} should expose a lazy handler function`);
+  }
+});
diff --git a/tests/unit/audit-eventtype-i18n.test.ts b/tests/unit/audit-eventtype-i18n.test.ts
new file mode 100644
index 0000000000..6b1d4ca302
--- /dev/null
+++ b/tests/unit/audit-eventtype-i18n.test.ts
@@ -0,0 +1,27 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+
+const root = join(import.meta.dirname, "../..");
+const read = (p: string) => readFileSync(join(root, p), "utf8");
+const en = JSON.parse(read("src/i18n/messages/en.json"));
+const pt = JSON.parse(read("src/i18n/messages/pt-BR.json"));
+
+test("audit: compliance.eventTypes exists with en/pt-BR parity and key coverage", () => {
+  const enKeys = Object.keys(en.compliance?.eventTypes ?? {});
+  const ptKeys = Object.keys(pt.compliance?.eventTypes ?? {});
+  assert.ok(enKeys.length >= 30, `expected >=30 event-type labels, got ${enKeys.length}`);
+  assert.deepEqual(enKeys.sort(), ptKeys.sort(), "en/pt-BR eventTypes keys must match");
+  for (const k of ["provider.credentials.created", "auth.login.success", "quota.pool.created", "sync.token.revoked"]) {
+    assert.ok(en.compliance.eventTypes[k], `en missing eventTypes.${k}`);
+    assert.ok(pt.compliance.eventTypes[k], `pt-BR missing eventTypes.${k}`);
+  }
+});
+
+test("audit: ComplianceTab translates action and A2aAuditTab translates task state", () => {
+  const ct = read("src/app/(dashboard)/dashboard/audit/ComplianceTab.tsx");
+  const a2a = read("src/app/(dashboard)/dashboard/audit/A2aAuditTab.tsx");
+  assert.ok(ct.includes("eventTypes.${entry.action}"), "ComplianceTab uses eventTypes i18n lookup");
+  assert.ok(a2a.includes("a2aState${task.state"), "A2aAuditTab uses a2aState i18n lookup");
+});
diff --git a/tests/unit/route-guard-private-lan.test.ts b/tests/unit/route-guard-private-lan.test.ts
new file mode 100644
index 0000000000..9117af0b75
--- /dev/null
+++ b/tests/unit/route-guard-private-lan.test.ts
@@ -0,0 +1,57 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+import { isPrivateLanHost, isLoopbackHost, isLocalOnlyPath } from "../../src/server/authz/routeGuard.ts";
+
+test("isPrivateLanHost: accepts RFC1918 IPv4 (incl. :port and ::ffff: mapped)", () => {
+  for (const h of [
+    "192.168.0.15",
+    "192.168.0.15:54321",
+    "10.0.0.5",
+    "172.16.0.9",
+    "172.31.255.254",
+    "::ffff:192.168.1.20",
+  ]) {
+    assert.equal(isPrivateLanHost(h), true, `expected private-LAN: ${h}`);
+  }
+});
+
+test("isPrivateLanHost: accepts IPv6 ULA / link-local", () => {
+  assert.equal(isPrivateLanHost("fd12:3456::1"), true);
+  assert.equal(isPrivateLanHost("fe80::1"), true);
+});
+
+test("isPrivateLanHost: rejects public IPs, loopback and junk", () => {
+  for (const h of [
+    "8.8.8.8",
+    "69.164.221.35", // public VPS
+    "172.32.0.1", // just outside 172.16/12
+    "127.0.0.1",
+    "::1",
+    "example.com",
+    "",
+    null,
+  ]) {
+    assert.equal(isPrivateLanHost(h), false, `expected NOT private-LAN: ${h}`);
+  }
+});
+
+test("isLoopbackHost stays loopback-only (unchanged)", () => {
+  assert.equal(isLoopbackHost("127.0.0.1"), true);
+  assert.equal(isLoopbackHost("localhost:20128"), true);
+  assert.equal(isLoopbackHost("192.168.0.15"), false);
+});
+
+test("services + traffic-inspector remain LOCAL_ONLY paths", () => {
+  assert.equal(isLocalOnlyPath("/api/services/9router/status"), true);
+  assert.equal(isLocalOnlyPath("/api/tools/traffic-inspector/sessions"), true);
+});
+
+test("management policy derives locality from the Host header (middleware socket is null)", () => {
+  const src = readFileSync(
+    join(import.meta.dirname, "../../src/server/authz/policies/management.ts"),
+    "utf8"
+  );
+  assert.ok(src.includes('headers?.get?.("host")'), "requestPeerAddress must read the Host header");
+});
diff --git a/tests/unit/v388-phase1-screen-fixes.test.ts b/tests/unit/v388-phase1-screen-fixes.test.ts
new file mode 100644
index 0000000000..680c691e9b
--- /dev/null
+++ b/tests/unit/v388-phase1-screen-fixes.test.ts
@@ -0,0 +1,35 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+
+// Regression guards for v3.8.8 screen-fix Phase 1 (quick wins).
+const root = join(import.meta.dirname, "../..");
+const read = (p: string) => readFileSync(join(root, p), "utf8");
+
+test("search-tools: export modal mounts on exportOpen (not by default) without invalid isOpen prop", () => {
+  const src = read("src/app/(dashboard)/dashboard/search-tools/components/SearchToolsTopBar.tsx");
+  assert.ok(src.includes("{exportOpen && exportState != null && ("), "modal guarded by exportOpen");
+  assert.equal(/<ExportCodeModal[^>]*\bisOpen=/.test(src), false, "no invalid isOpen prop on ExportCodeModal");
+});
+
+test("memory: tabs ordered memories -> engine -> playground", () => {
+  const src = read("src/app/(dashboard)/dashboard/memory/page.tsx");
+  assert.ok(src.includes('["memories", "engine", "playground"]'), "TABS order is memories, engine, playground");
+});
+
+test("shared Select: renders children and guards placeholder/options when children present", () => {
+  const src = read("src/shared/components/Select.tsx");
+  assert.ok(src.includes("{children}"), "renders children passed by callers");
+  assert.ok(src.includes("!children && placeholder"), "placeholder guarded by !children");
+  assert.ok(src.includes("!children &&\n            options.map") || src.includes("!children &&"), "options guarded by !children");
+});
+
+test("logs: proxy/console tabs removed (dedicated menu pages exist)", () => {
+  const src = read("src/app/(dashboard)/dashboard/logs/page.tsx");
+  assert.equal(/value:\s*"proxy-logs"/.test(src), false, "proxy-logs tab removed");
+  assert.equal(/value:\s*"console"/.test(src), false, "console tab removed");
+  assert.equal(src.includes("<ProxyLogger"), false, "ProxyLogger not rendered here");
+  assert.equal(src.includes("<ConsoleLogViewer"), false, "ConsoleLogViewer not rendered here");
+  assert.equal(src.includes("SegmentedControl"), false, "SegmentedControl removed (single tab left)");
+});
diff --git a/tests/unit/v388-phase3-memory.test.ts b/tests/unit/v388-phase3-memory.test.ts
new file mode 100644
index 0000000000..56622455d9
--- /dev/null
+++ b/tests/unit/v388-phase3-memory.test.ts
@@ -0,0 +1,37 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+
+// Regression guards for v3.8.8 Memory screen fixes (Phase 3).
+const root = join(import.meta.dirname, "../..");
+const read = (p: string) => readFileSync(join(root, p), "utf8");
+const en = JSON.parse(read("src/i18n/messages/en.json"));
+const pt = JSON.parse(read("src/i18n/messages/pt-BR.json"));
+
+test("memory: health auto-checks on mount + 30s polling", () => {
+  const src = read("src/app/(dashboard)/dashboard/memory/components/tabs/MemoriesTab.tsx");
+  assert.ok(src.includes("void checkHealth();"), "calls checkHealth from an effect");
+  assert.ok(src.includes("setInterval"), "polls health periodically");
+});
+
+test("memory: page wires enable/disable toggle via useMemorySettings", () => {
+  const src = read("src/app/(dashboard)/dashboard/memory/page.tsx");
+  assert.ok(src.includes("useMemorySettings"), "uses the settings hook");
+  assert.ok(/role="switch"/.test(src), "renders a switch control");
+  assert.ok(src.includes("save({ enabled:"), "persists enabled via save()");
+});
+
+test("memory: vector store shows install hint when backend is none", () => {
+  const src = read("src/app/(dashboard)/dashboard/memory/components/MemoryEngineStatus.tsx");
+  assert.ok(src.includes('status.vectorStore.backend === "none"'), "branches on backend none");
+  assert.ok(src.includes("engine.vectorStoreInstallHint"), "renders the install-hint key");
+});
+
+test("memory i18n: memoryEnabled + engine.vectorStoreInstallHint present in en + pt-BR", () => {
+  assert.ok(en.memory?.memoryEnabled && pt.memory?.memoryEnabled, "memoryEnabled in both locales");
+  assert.ok(
+    en.memory?.engine?.vectorStoreInstallHint && pt.memory?.engine?.vectorStoreInstallHint,
+    "vectorStoreInstallHint in both locales"
+  );
+});
diff --git a/tests/unit/v388-phase4-playground.test.ts b/tests/unit/v388-phase4-playground.test.ts
new file mode 100644
index 0000000000..40530c5196
--- /dev/null
+++ b/tests/unit/v388-phase4-playground.test.ts
@@ -0,0 +1,41 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+
+// Regression guards for v3.8.8 Playground screen fixes (Phase 4).
+const root = join(import.meta.dirname, "../..");
+const read = (p: string) => readFileSync(join(root, p), "utf8");
+
+test("playground config: adds Provider + Model selects reusing translator hooks", () => {
+  const src = read("src/app/(dashboard)/dashboard/playground/components/StudioConfigPane.tsx");
+  assert.ok(src.includes("useProviderOptions"), "reuses useProviderOptions");
+  assert.ok(src.includes("useAvailableModels"), "reuses useAvailableModels");
+  assert.ok(src.includes('update("provider"'), "writes provider into ConfigState");
+  assert.ok(src.includes("provider?: string"), "ConfigState gains provider");
+});
+
+test("playground compare: prompt input + rAF throttle + user message in request", () => {
+  const src = read("src/app/(dashboard)/dashboard/playground/components/tabs/CompareTab.tsx");
+  assert.ok(src.includes("requestAnimationFrame"), "throttles stream updates via rAF");
+  assert.ok(/role:\s*"user"/.test(src), "request body includes a user message");
+  assert.ok(src.includes("setPrompt"), "has a prompt input control");
+});
+
+test("playground build: wizard with 3 modes reusing editors; BuildTab keeps handlers", () => {
+  const wiz = read("src/app/(dashboard)/dashboard/playground/components/tabs/build/BuildWizard.tsx");
+  assert.ok(wiz.includes('"tools"') && wiz.includes('"json"') && wiz.includes('"both"'), "three modes");
+  assert.ok(wiz.includes("ToolsBuilder") && wiz.includes("StructuredOutputEditor"), "reuses both editors");
+  const tab = read("src/app/(dashboard)/dashboard/playground/components/tabs/BuildTab.tsx");
+  assert.ok(tab.includes("<BuildWizard"), "BuildTab mounts BuildWizard");
+  assert.ok(tab.includes("runRequest") && tab.includes("sendToolResult"), "BuildTab preserves run/tool handlers");
+});
+
+test("playground build i18n: playground.build keys present with en/pt parity", () => {
+  const en = JSON.parse(read("src/i18n/messages/en.json"));
+  const pt = JSON.parse(read("src/i18n/messages/pt-BR.json"));
+  const ek = Object.keys(en.playground?.build ?? {});
+  const pk = Object.keys(pt.playground?.build ?? {});
+  assert.ok(ek.length >= 10, `expected >=10 build keys, got ${ek.length}`);
+  assert.deepEqual(ek.sort(), pk.sort(), "en/pt-BR playground.build keys must match");
+});
diff --git a/tests/unit/v388-quota-share-usage-guard.test.ts b/tests/unit/v388-quota-share-usage-guard.test.ts
new file mode 100644
index 0000000000..206379e22c
--- /dev/null
+++ b/tests/unit/v388-quota-share-usage-guard.test.ts
@@ -0,0 +1,23 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+
+// Regression guard: quota-share crashed with "Cannot read properties of undefined
+// (reading 'length')" because PoolCard/aggregate read usage.dimensions without a
+// guard when the usage snapshot came back without a dimensions array.
+const root = join(import.meta.dirname, "../..");
+const read = (p: string) => readFileSync(join(root, p), "utf8");
+
+test("quota-share PoolCard guards usage.dimensions", () => {
+  const pc = read("src/app/(dashboard)/dashboard/costs/quota-share/components/PoolCard.tsx");
+  assert.ok(pc.includes("usage?.dimensions ?? []"), "computeStatus normalizes dimensions to []");
+  assert.ok(pc.includes("!!usage?.dimensions?.length"), "hasDimensions guards dimensions");
+  assert.equal(/[^?.]usage\.dimensions\.length/.test(pc), false, "no unguarded usage.dimensions.length");
+});
+
+test("quota-share aggregate hook guards dimensions/perKey", () => {
+  const agg = read("src/app/(dashboard)/dashboard/costs/quota-share/hooks/usePoolsUsageAggregate.ts");
+  assert.ok(agg.includes("usage.dimensions ?? []"), "iterates dimensions with ?? []");
+  assert.ok(agg.includes("dim.perKey ?? []"), "iterates perKey with ?? []");
+});