feat(telemetry): product interaction events

- h2h_viewed from match card, dock, profile, stats, predictions
- reaction_sent with emoji and surface; score_report_opened from all
  three report entry points
- stats_filtered and stats_sorted on stats route and profile
- rules/teams/players/bracket/tournament view events with sources
- match_history_viewed, badge_viewed, player_searched (count only)

src/features/matches/components/match-card.tsx

@@ -10,6 +10,7 @@ import Sheet from "@/components/sheet/sheet";
 import TeamHeadToHeadSheet from "./team-head-to-head-sheet";
 import AnimatedScore from "./animated-score";
 import { Trans, useLingui } from "@lingui/react/macro";
+import { track } from "@/lib/telemetry/client";
 
 interface MatchCardProps {
   match: Match;
@@ -41,6 +42,7 @@ const MatchCard = ({ match, hideH2H = false }: MatchCardProps) => {
 
   const handleH2HClick = (e: React.MouseEvent) => {
     e.stopPropagation();
+    track("h2h_viewed", { source: "match_card" });
     h2hSheet.open();
   };
 
@@ -218,7 +220,7 @@ const MatchCard = ({ match, hideH2H = false }: MatchCardProps) => {
           }}
         >
           <Suspense>
-            <EmojiBar matchId={match.id} />
+            <EmojiBar matchId={match.id} source="match_card" />
           </Suspense>
         </Paper>
       </Box>