diff --git a/crates/sprout-auth/src/nip98.rs b/crates/sprout-auth/src/nip98.rs
index 746b7ecdb..ccad6c16b 100644
--- a/crates/sprout-auth/src/nip98.rs
+++ b/crates/sprout-auth/src/nip98.rs
@@ -293,13 +293,14 @@ mod tests {
     }
 
     #[test]
-    fn is_self_mintable_all_seven() {
+    fn is_self_mintable_all_eight() {
         use crate::scope::{is_self_mintable, Scope};
         assert!(is_self_mintable(&Scope::MessagesRead));
         assert!(is_self_mintable(&Scope::MessagesWrite));
         assert!(is_self_mintable(&Scope::ChannelsRead));
         assert!(is_self_mintable(&Scope::ChannelsWrite));
         assert!(is_self_mintable(&Scope::UsersRead));
+        assert!(is_self_mintable(&Scope::UsersWrite));
         assert!(is_self_mintable(&Scope::FilesRead));
         assert!(is_self_mintable(&Scope::FilesWrite));
     }
@@ -308,7 +309,6 @@ mod tests {
     fn is_self_mintable_admin_scopes_false() {
         use crate::scope::{is_self_mintable, Scope};
         assert!(!is_self_mintable(&Scope::AdminChannels));
-        assert!(!is_self_mintable(&Scope::UsersWrite));
         assert!(!is_self_mintable(&Scope::AdminUsers));
         assert!(!is_self_mintable(&Scope::JobsRead));
         assert!(!is_self_mintable(&Scope::JobsWrite));
diff --git a/crates/sprout-auth/src/scope.rs b/crates/sprout-auth/src/scope.rs
index 903288fac..904bd9386 100644
--- a/crates/sprout-auth/src/scope.rs
+++ b/crates/sprout-auth/src/scope.rs
@@ -150,15 +150,19 @@ impl FromStr for Scope {
 
 /// Scopes that can be self-minted via `POST /api/tokens`.
 ///
-/// Admin-only scopes (`AdminChannels`, `UsersWrite`, `AdminUsers`, `JobsRead`, `JobsWrite`,
+/// Admin-only scopes (`AdminChannels`, `AdminUsers`, `JobsRead`, `JobsWrite`,
 /// `SubscriptionsRead`, `SubscriptionsWrite`) are intentionally excluded — they require
 /// `sprout-admin mint-token`.
+///
+/// `UsersWrite` is included because it only guards self-profile endpoints
+/// (`PUT /api/users/me/profile`, `PUT /api/users/me/channel-add-policy`).
 pub const SELF_MINTABLE_SCOPES: &[Scope] = &[
     Scope::MessagesRead,
     Scope::MessagesWrite,
     Scope::ChannelsRead,
     Scope::ChannelsWrite,
     Scope::UsersRead,
+    Scope::UsersWrite,
     Scope::FilesRead,
     Scope::FilesWrite,
 ];
@@ -176,6 +180,7 @@ pub fn is_self_mintable(scope: &Scope) -> bool {
             | Scope::ChannelsRead
             | Scope::ChannelsWrite
             | Scope::UsersRead
+            | Scope::UsersWrite
             | Scope::FilesRead
             | Scope::FilesWrite
     )
diff --git a/desktop/src-tauri/src/managed_agents/discovery.rs b/desktop/src-tauri/src/managed_agents/discovery.rs
index ceccb5638..4f5fd5962 100644
--- a/desktop/src-tauri/src/managed_agents/discovery.rs
+++ b/desktop/src-tauri/src/managed_agents/discovery.rs
@@ -275,6 +275,7 @@ pub fn default_token_scopes() -> Vec<String> {
         "messages:read".to_string(),
         "messages:write".to_string(),
         "channels:read".to_string(),
+        "users:write".to_string(),
     ]
 }
 
diff --git a/desktop/src-tauri/src/models.rs b/desktop/src-tauri/src/models.rs
index 113c6d75b..7ffd3441a 100644
--- a/desktop/src-tauri/src/models.rs
+++ b/desktop/src-tauri/src/models.rs
@@ -64,7 +64,9 @@ pub struct ChannelInfo {
     pub member_count: i64,
     pub last_message_at: Option<String>,
     pub archived_at: Option<String>,
+    #[serde(default)]
     pub participants: Vec<String>,
+    #[serde(default)]
     pub participant_pubkeys: Vec<String>,
     #[serde(default = "default_true")]
     pub is_member: bool,
@@ -127,11 +129,9 @@ pub struct OpenDmBody<'a> {
     pub pubkeys: &'a [String],
 }
 
-#[derive(Serialize, Deserialize)]
+#[derive(Deserialize)]
 pub struct OpenDmResponse {
     pub channel_id: String,
-    pub created: bool,
-    pub participants: Vec<String>,
 }
 
 #[derive(Serialize)]
diff --git a/desktop/src-tauri/src/relay.rs b/desktop/src-tauri/src/relay.rs
index f5505580f..ddeb74d91 100644
--- a/desktop/src-tauri/src/relay.rs
+++ b/desktop/src-tauri/src/relay.rs
@@ -6,7 +6,7 @@ use sha2::{Digest, Sha256};
 
 use crate::{
     app_state::AppState,
-    models::{MintTokenBody, MintTokenResponse, UpdateProfileBody},
+    models::UpdateProfileBody,
 };
 
 pub fn relay_ws_url() -> String {
@@ -171,38 +171,6 @@ pub fn build_nip98_auth_header_for_keys(
     ))
 }
 
-pub async fn mint_managed_agent_api_token(
-    client: &reqwest::Client,
-    relay_url: &str,
-    keys: &Keys,
-    name: &str,
-    scopes: &[String],
-) -> Result<MintTokenResponse, String> {
-    let url = format!("{}{}", relay_http_base_url(relay_url), "/api/tokens");
-    let body = MintTokenBody {
-        name,
-        scopes,
-        channel_ids: None,
-        expires_in_days: None,
-    };
-    let body_bytes =
-        serde_json::to_vec(&body).map_err(|error| format!("serialize failed: {error}"))?;
-    let auth_header = build_nip98_auth_header_for_keys(keys, &Method::POST, &url, &body_bytes)?;
-    let forwarded_proto = if url.starts_with("http://") {
-        "http"
-    } else {
-        "https"
-    };
-    let request = client
-        .request(Method::POST, url)
-        .header("Authorization", auth_header)
-        .header("Content-Type", "application/json")
-        .header("X-Forwarded-Proto", forwarded_proto)
-        .body(body_bytes);
-
-    send_json_request(request).await
-}
-
 pub async fn relay_error_message(response: reqwest::Response) -> String {
     let status = response.status();
     let body = response.text().await.unwrap_or_default();
diff --git a/desktop/src/features/agents/hooks.ts b/desktop/src/features/agents/hooks.ts
index a99ae1c76..d1c09ee6f 100644
--- a/desktop/src/features/agents/hooks.ts
+++ b/desktop/src/features/agents/hooks.ts
@@ -401,14 +401,9 @@ export function useManagedAgentLogQuery(
 ) {
   return useQuery({
     queryKey: ["managed-agent-log", pubkey, lineCount],
-    queryFn: () => {
-      if (!pubkey) {
-        throw new Error("No agent selected.");
-      }
-
-      return getManagedAgentLog(pubkey, lineCount);
-    },
+    queryFn: () => getManagedAgentLog(pubkey!, lineCount),
     enabled: pubkey !== null,
+    retry: false,
     staleTime: 1_000,
     refetchInterval: pubkey ? 2_000 : false,
   });
diff --git a/desktop/src/features/agents/ui/ManagedAgentsSection.tsx b/desktop/src/features/agents/ui/ManagedAgentsSection.tsx
index 9a358676e..f580cdae0 100644
--- a/desktop/src/features/agents/ui/ManagedAgentsSection.tsx
+++ b/desktop/src/features/agents/ui/ManagedAgentsSection.tsx
@@ -203,8 +203,9 @@ function ManagedAgentRow({
 
   return (
     <tr
-      className="border-b border-border/60 last:border-b-0 hover:bg-muted/30"
+      className="cursor-pointer border-b border-border/60 last:border-b-0 hover:bg-muted/30"
       data-testid={`managed-agent-${agent.pubkey}`}
+      onClick={() => onViewLogs(agent.pubkey)}
     >
       <td className="px-4 py-3">
         <p className="truncate font-medium text-foreground">{agent.name}</p>
@@ -231,11 +232,19 @@ function ManagedAgentRow({
           {agent.status}
         </span>
       </td>
-      <td className="px-4 py-3">
+      <td
+        className="px-4 py-3"
+        onClick={(e) => e.stopPropagation()}
+        onKeyDown={(e) => e.stopPropagation()}
+      >
         <ModelPicker agent={agent} />
       </td>
       <td className="px-4 py-3 text-muted-foreground">{agent.agentCommand}</td>
-      <td className="px-3 py-3">
+      <td
+        className="px-3 py-3"
+        onClick={(e) => e.stopPropagation()}
+        onKeyDown={(e) => e.stopPropagation()}
+      >
         <AgentActionsMenu
           agent={agent}
           isActionPending={isActionPending}
diff --git a/desktop/src/features/messages/lib/formatTimelineMessages.ts b/desktop/src/features/messages/lib/formatTimelineMessages.ts
index 9146d7ae5..24f1baf59 100644
--- a/desktop/src/features/messages/lib/formatTimelineMessages.ts
+++ b/desktop/src/features/messages/lib/formatTimelineMessages.ts
@@ -173,6 +173,7 @@ export function formatTimelineMessages(
       emoji,
       count: 0,
       reactedByCurrentUser: false,
+      users: [],
     };
 
     existing.count += 1;
@@ -180,6 +181,13 @@ export function formatTimelineMessages(
       existing.reactedByCurrentUser = true;
     }
 
+    const profile = profiles?.[actorPubkey];
+    const displayName =
+      profile?.displayName?.trim() ||
+      profile?.nip05Handle?.trim() ||
+      `${actorPubkey.slice(0, 8)}…`;
+    existing.users.push({ pubkey: actorPubkey, displayName });
+
     current.set(emoji, existing);
     reactionsByEventId.set(targetId, current);
   }
diff --git a/desktop/src/features/messages/types.ts b/desktop/src/features/messages/types.ts
index db962d637..b6c12af43 100644
--- a/desktop/src/features/messages/types.ts
+++ b/desktop/src/features/messages/types.ts
@@ -2,6 +2,7 @@ export type TimelineReaction = {
   emoji: string;
   count: number;
   reactedByCurrentUser?: boolean;
+  users: Array<{ pubkey: string; displayName: string }>;
 };
 
 export type TimelineMessage = {
diff --git a/desktop/src/features/messages/ui/MessageReactions.tsx b/desktop/src/features/messages/ui/MessageReactions.tsx
new file mode 100644
index 000000000..55940e080
--- /dev/null
+++ b/desktop/src/features/messages/ui/MessageReactions.tsx
@@ -0,0 +1,85 @@
+import * as React from "react";
+
+import type { TimelineReaction } from "@/features/messages/types";
+import { cn } from "@/shared/lib/cn";
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from "@/shared/ui/tooltip";
+
+export function MessageReactions({
+  messageId,
+  reactions,
+  canToggle,
+  pending,
+  onSelect,
+}: {
+  messageId: string;
+  reactions: TimelineReaction[];
+  canToggle: boolean;
+  pending: boolean;
+  onSelect: (emoji: string) => void;
+}) {
+  if (reactions.length === 0) {
+    return null;
+  }
+
+  return (
+    <TooltipProvider delayDuration={200}>
+      <div className="mt-1.5 flex flex-wrap items-center gap-1.5 pt-1">
+        {reactions.map((reaction) => {
+          const tooltipText =
+            reaction.users.length > 0
+              ? reaction.users.map((u) => u.displayName).join(", ")
+              : undefined;
+
+          const pill = (
+            <button
+              aria-label={`Toggle ${reaction.emoji} reaction`}
+              aria-pressed={reaction.reactedByCurrentUser}
+              className={cn(
+                "inline-flex items-center gap-1 rounded-full border px-2 py-0.5 text-xs font-medium transition-colors",
+                reaction.reactedByCurrentUser
+                  ? "border-primary/40 bg-primary/10 text-primary"
+                  : "border-border/70 bg-muted/70 text-foreground/90",
+                canToggle
+                  ? "hover:bg-accent hover:text-accent-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+                  : "cursor-default",
+              )}
+              disabled={!canToggle || pending}
+              onClick={() => {
+                if (!canToggle) return;
+                onSelect(reaction.emoji);
+              }}
+              type="button"
+            >
+              <span>{reaction.emoji}</span>
+              <span className="text-muted-foreground">{reaction.count}</span>
+            </button>
+          );
+
+          if (!tooltipText) {
+            return (
+              <React.Fragment key={`${messageId}-${reaction.emoji}`}>
+                {pill}
+              </React.Fragment>
+            );
+          }
+
+          // Wrap in a span so the tooltip trigger receives hover/focus events
+          // even when the inner button is disabled (Radix tooltips require it).
+          return (
+            <Tooltip key={`${messageId}-${reaction.emoji}`}>
+              <TooltipTrigger asChild>
+                <span className="inline-flex">{pill}</span>
+              </TooltipTrigger>
+              <TooltipContent>{tooltipText}</TooltipContent>
+            </Tooltip>
+          );
+        })}
+      </div>
+    </TooltipProvider>
+  );
+}
diff --git a/desktop/src/features/messages/ui/MessageRow.tsx b/desktop/src/features/messages/ui/MessageRow.tsx
index 31691beed..7013720b8 100644
--- a/desktop/src/features/messages/ui/MessageRow.tsx
+++ b/desktop/src/features/messages/ui/MessageRow.tsx
@@ -1,9 +1,7 @@
 import * as React from "react";
 
-import type {
-  TimelineMessage,
-  TimelineReaction,
-} from "@/features/messages/types";
+import type { TimelineMessage } from "@/features/messages/types";
+import { MessageReactions } from "@/features/messages/ui/MessageReactions";
 import { UserProfilePopover } from "@/features/profile/ui/UserProfilePopover";
 import { KIND_STREAM_MESSAGE_DIFF } from "@/shared/constants/kinds";
 import { cn } from "@/shared/lib/cn";
@@ -244,42 +242,17 @@ export const MessageRow = React.memo(
               </div>
             </div>
             {renderBody()}
-            {reactions.length > 0 ? (
-              <div className="mt-1.5 flex flex-wrap items-center gap-1.5 pt-1">
-                {reactions.map((reaction: TimelineReaction) => (
-                  <button
-                    aria-label={`Toggle ${reaction.emoji} reaction`}
-                    aria-pressed={reaction.reactedByCurrentUser}
-                    className={cn(
-                      "inline-flex items-center gap-1 rounded-full border px-2 py-0.5 text-xs font-medium transition-colors",
-                      reaction.reactedByCurrentUser
-                        ? "border-primary/40 bg-primary/10 text-primary"
-                        : "border-border/70 bg-muted/70 text-foreground/90",
-                      canToggleReactions
-                        ? "hover:bg-accent hover:text-accent-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
-                        : "cursor-default",
-                    )}
-                    disabled={!canToggleReactions || reactionPending}
-                    key={`${message.id}-${reaction.emoji}`}
-                    onClick={() => {
-                      if (!canToggleReactions) {
-                        return;
-                      }
-
-                      void handleReactionSelect(reaction.emoji).catch(() => {
-                        return;
-                      });
-                    }}
-                    type="button"
-                  >
-                    <span>{reaction.emoji}</span>
-                    <span className="text-muted-foreground">
-                      {reaction.count}
-                    </span>
-                  </button>
-                ))}
-              </div>
-            ) : null}
+            <MessageReactions
+              messageId={message.id}
+              reactions={reactions}
+              canToggle={canToggleReactions}
+              pending={reactionPending}
+              onSelect={(emoji) => {
+                void handleReactionSelect(emoji).catch(() => {
+                  return;
+                });
+              }}
+            />
             {reactionErrorMessage ? (
               <p className="mt-1.5 text-xs text-destructive">
                 {reactionErrorMessage}
diff --git a/desktop/src/features/profile/hooks.ts b/desktop/src/features/profile/hooks.ts
index 95f845167..cb99ce507 100644
--- a/desktop/src/features/profile/hooks.ts
+++ b/desktop/src/features/profile/hooks.ts
@@ -1,3 +1,4 @@
+import { useEffect } from "react";
 import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 
 import {
@@ -40,6 +41,7 @@ export function useUsersBatchQuery(
     enabled?: boolean;
   },
 ) {
+  const queryClient = useQueryClient();
   const normalizedPubkeys = [
     ...new Set(pubkeys.map((pubkey) => pubkey.toLowerCase())),
   ]
@@ -47,13 +49,28 @@ export function useUsersBatchQuery(
     .sort();
   const enabled = (options?.enabled ?? true) && normalizedPubkeys.length > 0;
 
-  return useQuery<UsersBatchResponse>({
+  const query = useQuery<UsersBatchResponse>({
     enabled,
     queryKey: ["users-batch", ...normalizedPubkeys],
     queryFn: () => getUsersBatch(normalizedPubkeys),
     staleTime: 60_000,
     gcTime: 5 * 60 * 1_000,
   });
+
+  // Seed individual "user-profile" cache entries so avatar clicks are instant
+  // cache hits instead of fresh network requests.
+  useEffect(() => {
+    const profiles = query.data?.profiles;
+    if (!profiles) return;
+    for (const [pubkey, summary] of Object.entries(profiles)) {
+      queryClient.setQueryData<Profile>(
+        ["user-profile", pubkey],
+        (existing) => existing ?? { pubkey, about: null, ...summary },
+      );
+    }
+  }, [query.data, queryClient]);
+
+  return query;
 }
 
 export function useUserSearchQuery(