feat: add moderation review dashboard

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/src/components/messages/MessageCard.tsx

@@ -0,0 +1,73 @@
+import type { MessageRecord } from "../../api/client";
+
+export interface MessageCardProps {
+  message: MessageRecord;
+  onReanalyze: (id: string) => void;
+}
+
+const STATUS_COLORS: Record<string, string> = {
+  pending: "#f9e2af",
+  clean: "#a6e3a1",
+  warn: "#fab387",
+  flagged: "#f38ba8",
+  error: "#f38ba8",
+};
+
+export function MessageCard({ message, onReanalyze }: MessageCardProps) {
+  const displayContent = message.edited_content ?? message.content;
+  const aiStatus = message.ai_status ?? "pending";
+  const statusColor = STATUS_COLORS[aiStatus] ?? "#6c7086";
+
+  return (
+    <div className={`message-card type-${message.type}`}>
+      <img
+        src={message.avatar_url ?? "/default-avatar.png"}
+        alt={message.username}
+        className="message-card-avatar"
+        width={32}
+        height={32}
+      />
+      <div className="message-card-body">
+        <div className="message-card-meta">
+          <span className="message-card-username">{message.username}</span>
+          <span className="message-card-time">
+            {new Date(message.created_at).toLocaleString()}
+          </span>
+          {message.type === "edited" && (
+            <span className="badge badge-edited">edited</span>
+          )}
+          {message.type === "deleted" && (
+            <span className="badge badge-deleted">deleted</span>
+          )}
+          <span
+            className="badge badge-ai"
+            style={{ backgroundColor: statusColor }}
+            title={`AI: ${aiStatus}`}
+          >
+            {aiStatus}
+          </span>
+        </div>
+
+        <p className="message-card-content">{displayContent}</p>
+
+        {message.ai_analysis && (
+          <div className="message-card-analysis">{message.ai_analysis}</div>
+        )}
+
+        {message.ai_error && (
+          <div className="message-card-error">{message.ai_error}</div>
+        )}
+
+        <div className="message-card-actions">
+          <button
+            className="btn-reanalyze"
+            onClick={() => onReanalyze(message.id)}
+            disabled={aiStatus === "pending"}
+          >
+            Reanalyze
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

frontend/src/components/messages/MessageFeed.tsx

@@ -0,0 +1,25 @@
+import type { MessageRecord } from "../../api/client";
+import { MessageCard } from "./MessageCard";
+
+export interface MessageFeedProps {
+  messages: MessageRecord[];
+  onReanalyze: (id: string) => void;
+}
+
+export function MessageFeed({ messages, onReanalyze }: MessageFeedProps) {
+  if (messages.length === 0) {
+    return (
+      <div className="empty-state">
+        <p>No messages yet</p>
+      </div>
+    );
+  }
+
+  return (
+    <div className="message-feed">
+      {messages.map((msg) => (
+        <MessageCard key={msg.id} message={msg} onReanalyze={onReanalyze} />
+      ))}
+    </div>
+  );
+}

frontend/src/components/review/ReviewPanel.tsx

@@ -0,0 +1,37 @@
+import type { MessageRecord } from "../../api/client";
+import { MessageCard } from "../messages/MessageCard";
+
+export interface ReviewPanelProps {
+  messages: MessageRecord[];
+  onReanalyze: (id: string) => void;
+}
+
+export function ReviewPanel({ messages, onReanalyze }: ReviewPanelProps) {
+  const reviewItems = messages.filter(
+    (m) =>
+      m.ai_status === "warn" ||
+      m.ai_status === "flagged" ||
+      m.ai_status === "error",
+  );
+
+  return (
+    <div className="review-panel">
+      <div className="review-header">
+        <h2>Needs Review</h2>
+        <span className="review-count">{reviewItems.length}</span>
+      </div>
+
+      {reviewItems.length === 0 ? (
+        <div className="empty-state">
+          <p>No items to review</p>
+        </div>
+      ) : (
+        <div className="review-list">
+          {reviewItems.map((msg) => (
+            <MessageCard key={msg.id} message={msg} onReanalyze={onReanalyze} />
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}