diff --git a/open-sse/handlers/chatCore.ts b/open-sse/handlers/chatCore.ts
index b2d202f2e6..34987b9de6 100644
--- a/open-sse/handlers/chatCore.ts
+++ b/open-sse/handlers/chatCore.ts
@@ -2230,18 +2230,32 @@ export async function handleChatCore({
       // tier-2) never fire from the chat hot path — they only fire in the
       // Playground (retrievePreview, which gets `query` as a positional arg).
       const lastUserQuery = ((): string => {
+        // Responses API item types that are NOT user input — never accept
+        // their text as the retrieval query (e.g. function_call_output is the
+        // tool's reply, reasoning is the model's chain of thought).
+        const NON_USER_TYPES = new Set([
+          "function_call",
+          "function_call_output",
+          "tool_call",
+          "tool_call_output",
+          "reasoning",
+          "computer_call",
+          "computer_call_output",
+          "web_search_call",
+          "file_search_call",
+        ]);
+
         function pickFrom(arr: unknown[]): string {
           for (let i = arr.length - 1; i >= 0; i--) {
             const item = arr[i] as Record<string, unknown> | undefined;
             if (!item) continue;
-            // Chat API: role==="user"; Responses API: role on input items, or
-            // type==="input_text"; some clients omit role entirely on the
-            // first input item — accept those too as a last resort.
-            if (
-              item.role !== undefined &&
-              item.role !== "user"
-            ) {
-              continue;
+            // Chat API: only role==="user" items. Responses API items often
+            // have type instead of role — skip non-user types like
+            // function_call_output so the tool's reply doesn't leak into the
+            // memory query.
+            if (item.role !== undefined && item.role !== "user") continue;
+            if (item.role === undefined && typeof item.type === "string") {
+              if (NON_USER_TYPES.has(item.type)) continue;
             }
             const content = item.content ?? item.text;
             if (typeof content === "string" && content.trim().length > 0) {
@@ -2254,6 +2268,16 @@ export async function handleChatCore({
                   parts.push(p);
                 } else if (p && typeof p === "object") {
                   const pp = p as Record<string, unknown>;
+                  // Skip non-text content parts (image_url, tool_use, etc.)
+                  const ptype = typeof pp.type === "string" ? pp.type : "";
+                  if (
+                    ptype &&
+                    ptype !== "text" &&
+                    ptype !== "input_text" &&
+                    ptype !== "output_text"
+                  ) {
+                    continue;
+                  }
                   const t = pp.text ?? pp.input_text;
                   if (typeof t === "string") parts.push(t);
                 }
diff --git a/src/i18n/messages/en.json b/src/i18n/messages/en.json
index 5b6b6c2d7b..e835d8b925 100644
--- a/src/i18n/messages/en.json
+++ b/src/i18n/messages/en.json
@@ -3044,7 +3044,8 @@
       "qdrantDisabled": "Disabled",
       "qdrantOk": "Healthy ({latencyMs}ms)",
       "qdrantError": "Connection error",
-      "needsReindex": "{count} memory(ies) need reindexing"
+      "needsReindex": "{count} memory(ies) need reindexing",
+      "configureCta": "Configure"
     },
     "episodic": "Episodic",
     "export": "Export",
diff --git a/src/i18n/messages/pt-BR.json b/src/i18n/messages/pt-BR.json
index b0400b230e..b1df0e2f2b 100644
--- a/src/i18n/messages/pt-BR.json
+++ b/src/i18n/messages/pt-BR.json
@@ -3041,7 +3041,8 @@
       "qdrantDisabled": "Desabilitado",
       "qdrantOk": "Saudável ({latencyMs}ms)",
       "qdrantError": "Erro de conexão",
-      "needsReindex": "{count} memória(s) precisam de reindexação"
+      "needsReindex": "{count} memória(s) precisam de reindexação",
+      "configureCta": "Configurar"
     },
     "episodic": "Episódica",
     "export": "Exportar",