diff --git a/apps/mesh/src/api/routes/decopilot/routes.ts b/apps/mesh/src/api/routes/decopilot/routes.ts
index 96fd63f44d..97a154f2b2 100644
--- a/apps/mesh/src/api/routes/decopilot/routes.ts
+++ b/apps/mesh/src/api/routes/decopilot/routes.ts
@@ -320,6 +320,9 @@ app.post("/:org/decopilot/stream", async (c) => {
                   },
                   created_at: new Date(),
                   thread_id: mem.thread.id,
+                  toolApprovalLevel,
+                  temperature,
+                  windowSize,
                 };
               }
               if (part.type === "reasoning-start") {
diff --git a/apps/mesh/src/web/components/chat/context.tsx b/apps/mesh/src/web/components/chat/context.tsx
index c88cee674a..4e455c477d 100644
--- a/apps/mesh/src/web/components/chat/context.tsx
+++ b/apps/mesh/src/web/components/chat/context.tsx
@@ -151,9 +151,8 @@ const createModelsTransport = (
       const {
         system,
         tiptapDoc: _tiptapDoc,
-        toolApprovalLevel,
         ...metadata
-      } = requestMetadata as Metadata & { toolApprovalLevel?: string };
+      } = requestMetadata as Metadata;
       const systemMessage: UIMessage<Metadata> | null = system
         ? {
             id: crypto.randomUUID(),
@@ -166,7 +165,7 @@ const createModelsTransport = (
         ? [systemMessage, ...userMessage]
         : userMessage;
 
-      // Fall back to last message metadata when requestMetadata is missing models/agent
+      // Fall back to last message metadata when requestMetadata is missing models/agent/toolApprovalLevel/temperature/windowSize
       const lastMsgMeta = (messages.at(-1)?.metadata ?? {}) as Metadata;
       const mergedMetadata = {
         ...metadata,
@@ -179,7 +178,19 @@ const createModelsTransport = (
         body: {
           messages: allMessages,
           ...mergedMetadata,
-          ...(toolApprovalLevel && { toolApprovalLevel }),
+          ...(lastMsgMeta.toolApprovalLevel && {
+            toolApprovalLevel: lastMsgMeta.toolApprovalLevel,
+          }),
+          ...(lastMsgMeta.temperature !== undefined && {
+            temperature: lastMsgMeta.temperature,
+          }),
+          ...(lastMsgMeta.windowSize !== undefined &&
+            mergedMetadata.thread_id && {
+              memory: {
+                windowSize: lastMsgMeta.windowSize,
+                thread_id: mergedMetadata.thread_id,
+              },
+            }),
         },
       };
     },
@@ -768,6 +779,7 @@ export function ChatProvider({ children }: PropsWithChildren) {
         avatar: user?.image ?? undefined,
         name: user?.name ?? "you",
       },
+      toolApprovalLevel: preferences.toolApprovalLevel,
     };
 
     const metadata: Metadata = {
diff --git a/apps/mesh/src/web/components/chat/types.ts b/apps/mesh/src/web/components/chat/types.ts
index 4902d37a4e..a22ed9abf0 100644
--- a/apps/mesh/src/web/components/chat/types.ts
+++ b/apps/mesh/src/web/components/chat/types.ts
@@ -67,6 +67,10 @@ export interface Metadata {
   tiptapDoc?: TiptapDoc;
   /** Tool approval level preference */
   toolApprovalLevel?: "none" | "readonly" | "yolo";
+  /** LLM sampling temperature (0–1). Persisted so auto-sends use the same value. */
+  temperature?: number;
+  /** Conversation context window size (number of messages). Persisted so auto-sends use the same value. */
+  windowSize?: number;
   usage?: {
     inputTokens?: number;
     outputTokens?: number;