diff --git a/src/app/(dashboard)/dashboard/console-log/ConsoleLogClient.js b/src/app/(dashboard)/dashboard/console-log/ConsoleLogClient.js
index 01a8a757..256dd5aa 100644
--- a/src/app/(dashboard)/dashboard/console-log/ConsoleLogClient.js
+++ b/src/app/(dashboard)/dashboard/console-log/ConsoleLogClient.js
@@ -22,8 +22,14 @@ function colorLine(line) {
 export default function ConsoleLogClient() {
   const [logs, setLogs] = useState([]);
   const [connected, setConnected] = useState(false);
+  const [users, setUsers] = useState([]);
+  const [selectedUserId, setSelectedUserId] = useState("");
   const logRef = useRef(null);
 
+  const filteredLogs = selectedUserId
+    ? logs.filter((line) => line.includes(`[USER:${selectedUserId}]`))
+    : logs;
+
   const handleClear = async () => {
     try {
       await fetch("/api/translator/console-logs", { method: "DELETE" });
@@ -62,16 +68,49 @@ export default function ConsoleLogClient() {
     return () => es.close();
   }, []);
 
+  useEffect(() => {
+    const controller = new AbortController();
+
+    async function loadUsers() {
+      try {
+        const response = await fetch("/api/users", { signal: controller.signal });
+        if (!response.ok) return;
+        const data = await response.json();
+        setUsers((data.users || []).filter((user) => user.isActive));
+      } catch (error) {
+        if (error.name !== "AbortError") console.error("Failed to load users:", error);
+      }
+    }
+
+    loadUsers();
+    return () => controller.abort();
+  }, []);
+
   // Auto-scroll to bottom on new logs
   useEffect(() => {
     if (!logRef.current) return;
     logRef.current.scrollTop = logRef.current.scrollHeight;
-  }, [logs]);
+  }, [filteredLogs]);
 
   return (
     <div className="">
       <Card>
-        <div className="flex items-center justify-end px-4 pt-3 pb-2">
+        <div className="flex flex-wrap items-center justify-end gap-2 px-4 pt-3 pb-2">
+          <label className="flex items-center gap-2 text-xs text-text-muted">
+            <span>User</span>
+            <select
+              value={selectedUserId}
+              onChange={(event) => setSelectedUserId(event.target.value)}
+              className="rounded-md border border-border bg-bg-subtle px-2 py-1.5 text-xs text-text focus:border-primary focus:outline-none"
+            >
+              <option value="">All users</option>
+              {users.map((user) => (
+                <option key={user.id} value={user.id}>
+                  {user.username}
+                </option>
+              ))}
+            </select>
+          </label>
           <Button size="sm" variant="outline" icon="delete" onClick={handleClear}>
             Clear
           </Button>
@@ -82,9 +121,11 @@ export default function ConsoleLogClient() {
         >
           {logs.length === 0 ? (
             <span className="text-text-muted">No console logs yet.</span>
+          ) : filteredLogs.length === 0 ? (
+            <span className="text-text-muted">No console logs for the selected user.</span>
           ) : (
             <div className="space-y-0.5">
-              {logs.map((line, i) => (
+              {filteredLogs.map((line, i) => (
                 <div key={i}>{colorLine(line)}</div>
               ))}
             </div>
diff --git a/src/lib/consoleLogBuffer.js b/src/lib/consoleLogBuffer.js
index 9ace30fb..76356d0f 100644
--- a/src/lib/consoleLogBuffer.js
+++ b/src/lib/consoleLogBuffer.js
@@ -1,5 +1,6 @@
 import { EventEmitter } from "events";
 import { CONSOLE_LOG_CONFIG } from "@/shared/constants/config.js";
+import { getRequestUser } from "@/lib/requestContext";
 
 const consoleLevels = ["log", "info", "warn", "error", "debug"];
 
@@ -63,12 +64,17 @@ function formatArg(arg) {
 }
 
 function appendLine(line) {
-  state.logs.push(line);
+  const requestUser = getRequestUser();
+  const attributedLine = requestUser
+    ? `[USER:${requestUser.id}] [${requestUser.username}] ${line}`
+    : line;
+
+  state.logs.push(attributedLine);
   const maxLines = CONSOLE_LOG_CONFIG.maxLines;
   if (state.logs.length > maxLines) {
     state.logs = state.logs.slice(-maxLines);
   }
-  state.pendingLines.push(line);
+  state.pendingLines.push(attributedLine);
   if (state.pendingLines.length >= MAX_BATCH_LINES) {
     if (state.flushTimer) {
       clearTimeout(state.flushTimer);
diff --git a/src/lib/requestContext.js b/src/lib/requestContext.js
new file mode 100644
index 00000000..eb02331b
--- /dev/null
+++ b/src/lib/requestContext.js
@@ -0,0 +1,38 @@
+import { AsyncLocalStorage } from "node:async_hooks";
+
+if (!global._requestUserContext) {
+  global._requestUserContext = new AsyncLocalStorage();
+}
+
+const requestContext = global._requestUserContext;
+
+function normalizeUser(user) {
+  if (!user?.id || !user?.username) return null;
+  return { id: String(user.id), username: String(user.username) };
+}
+
+/**
+ * Execute an async request handler with its dashboard user available to
+ * console-log capture. AsyncLocalStorage keeps concurrent request contexts
+ * isolated while their asynchronous work is in flight.
+ */
+export function runWithRequestUser(user, handler) {
+  return requestContext.run({ user: normalizeUser(user) }, handler);
+}
+
+/**
+ * Update the user associated with the active request, for example after the
+ * selected provider connection resolves its owner.
+ */
+export function setRequestUser(user) {
+  const store = requestContext.getStore();
+  if (store) {
+    store.user = normalizeUser(user);
+    return;
+  }
+  requestContext.enterWith({ user: normalizeUser(user) });
+}
+
+export function getRequestUser() {
+  return requestContext.getStore()?.user || null;
+}
diff --git a/src/sse/handlers/chat.js b/src/sse/handlers/chat.js
index 0d3bafb1..96744c5e 100644
--- a/src/sse/handlers/chat.js
+++ b/src/sse/handlers/chat.js
@@ -10,6 +10,8 @@ import {
 } from "../services/auth.js";
 import { cacheClaudeHeaders } from "open-sse/utils/claudeHeaderCache.js";
 import { getSettings } from "@/lib/localDb";
+import { getUserById } from "@/lib/db";
+import { runWithRequestUser, setRequestUser } from "@/lib/requestContext";
 import { getModelInfo, getCombo } from "../services/model.js";
 import { handleChatCore } from "open-sse/handlers/chatCore.js";
 import { DEFAULT_HEADROOM_URL } from "@/lib/headroom/detect";
@@ -58,6 +60,9 @@ export async function handleChat(request, clientRawRequest = null) {
   const authHeader = request.headers.get("Authorization");
   const apiKey = extractApiKey(request);
   const ownerId = await getApiKeyOwnerId(apiKey);
+  const requestUser = ownerId ? await getUserById(ownerId) : null;
+
+  return runWithRequestUser(requestUser, async () => {
   if (authHeader && apiKey) {
     const masked = log.maskKey(apiKey);
     log.debug("AUTH", `API Key: ${masked}`);
@@ -135,6 +140,7 @@ export async function handleChat(request, clientRawRequest = null) {
 
   // Single model request
   return handleSingleModelChat(body, modelStr, clientRawRequest, request, apiKey, ownerId);
+  });
 }
 
 /**
@@ -226,6 +232,13 @@ async function handleSingleModelChat(body, modelStr, clientRawRequest = null, re
       return errorResponse(lastStatus || HTTP_STATUS.SERVICE_UNAVAILABLE, lastError || "All accounts unavailable");
     }
 
+    // Requests without an API key inherit the selected provider connection's
+    // owner, matching usage-history attribution.
+    if (!ownerId && credentials._connection?.ownerId) {
+      const connectionOwner = await getUserById(credentials._connection.ownerId);
+      setRequestUser(connectionOwner);
+    }
+
     // Account selection shown in the unified "▶" line (acc:...)
     const refreshedCredentials = await checkAndRefreshToken(provider, credentials);