feat: GIF picker and kaomoji in DMs

- Added GiphyPicker to DM input area (toggle with [GIF] button)
- Added EmojiPicker/kaomoji to DMs (toggle with [☺] or Ctrl+E)
- GiphyPicker shows above input when toggled
- Kaomoji appends to input text

web/src/components/DMChat.tsx

@@ -4,6 +4,8 @@ import { useConversationStore, type ConversationMessage } from "../stores/conver
 import { useAuthStore } from "../stores/auth.ts";
 import { useTypingStore } from "../stores/typing.ts";
 import { useLayoutStore } from "../stores/layout.ts";
+import { GiphyPicker, type Gif } from "./GiphyPicker.tsx";
+import { EmojiPicker } from "./EmojiPicker.tsx";
 import ReactMarkdown from "react-markdown";
 import remarkGfm from "remark-gfm";
 
@@ -71,6 +73,8 @@ export function DMChat() {
   const sendTypingStart = useTypingStore((s) => s.sendTypingStart);
   const [input, setInput] = useState("");
   const [error, setError] = useState<string | null>(null);
+  const [showGifPicker, setShowGifPicker] = useState(false);
+  const [showKaomoji, setShowKaomoji] = useState(false);
   const bottomRef = useRef<HTMLDivElement>(null);
   const scrollContainerRef = useRef<HTMLDivElement>(null);
   const lastTypingRef = useRef<number>(0);
@@ -108,6 +112,29 @@ export function DMChat() {
     bottomRef.current?.scrollIntoView({ behavior: "auto" });
   }, [messages]);
 
+  // Ctrl+E kaomoji shortcut
+  useEffect(() => {
+    const handler = (e: KeyboardEvent) => {
+      if (e.ctrlKey && e.key === 'e') {
+        e.preventDefault();
+        setShowKaomoji((prev) => !prev);
+      }
+    };
+    window.addEventListener('keydown', handler);
+    return () => window.removeEventListener('keydown', handler);
+  }, []);
+
+  const handleGifSelect = async (gif: Gif) => {
+    if (!id) return;
+    const content = `![${gif.title || "GIF"}](${gif.images.fixed_height.url})`;
+    try {
+      await sendMessage(id, content);
+      setShowGifPicker(false);
+    } catch (err) {
+      setError(err instanceof Error ? err.message : "Failed to send");
+    }
+  };
+
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
     if (!id || !input.trim()) return;
@@ -152,6 +179,11 @@ export function DMChat() {
         ))}
         <div ref={bottomRef} />
       </div>
+      {showGifPicker && (
+        <div className="px-3 pb-1">
+          <GiphyPicker onSelect={handleGifSelect} onClose={() => setShowGifPicker(false)} />
+        </div>
+      )}
       <div className="px-3 pt-1 text-xs text-gb-fg-f font-mono italic h-5 select-none">
         {(() => {
           const convTyping = id ? (typingUsers[id] || []).filter(u => u.userId !== currentUser?.id) : [];
@@ -165,7 +197,7 @@ export function DMChat() {
           <p className="text-gb-red text-xs font-mono">ERR: {error}</p>
         </div>
       )}
-      <form onSubmit={handleSubmit} className="p-3 flex items-center gap-2">
+      <form onSubmit={handleSubmit} className="p-3 flex items-center gap-2 relative">
         <span className="text-gb-fg-f select-none shrink-0">{">"}</span>
         <input
           type="text"
@@ -184,6 +216,30 @@ export function DMChat() {
           className="terminal-input w-full"
           disabled={!id}
         />
+        <button
+          type="button"
+          onClick={() => setShowGifPicker((prev) => !prev)}
+          disabled={!id}
+          className="text-gb-fg-f hover:text-gb-orange font-mono text-sm select-none disabled:opacity-50 disabled:cursor-not-allowed shrink-0"
+          title="Toggle GIF picker"
+        >
+          [GIF]
+        </button>
+        <button
+          type="button"
+          onClick={() => setShowKaomoji((prev) => !prev)}
+          disabled={!id}
+          className="text-gb-fg-f hover:text-gb-orange font-mono text-sm select-none disabled:opacity-50 disabled:cursor-not-allowed shrink-0"
+          title="Toggle kaomoji picker (Ctrl+E)"
+        >
+          [☺]
+        </button>
+        {showKaomoji && (
+          <EmojiPicker
+            onSelect={(emoji) => setInput((prev) => prev + emoji)}
+            onClose={() => setShowKaomoji(false)}
+          />
+        )}
       </form>
     </div>
   );