feat: complete Phase 1 - game library, lifecycle, realtime sync

- Seed 33 popular games across 5 platforms via admin API script
- Add GameDetailDialog with game info and quick-team button
- Update GamesLibrary with game card click to open detail dialog
- Update Home hot games to open detail dialog instead of navigating
- Rewrite invitation accept: frontend auto-joins team + updates status
- Add user status reset on team dissolution (endGame)
- Add start game / dissolve buttons to TeamSessionPanel lifecycle
- Integrate realtime subscriptions in GroupView and Layout
- Add notification store realtime invitation listener
- Add placeholder images for game covers and avatars
- Remove Go hooks, add JS hooks placeholder + Docker mount

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

backend/scripts/seed-games.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+# seed-games.sh - 批量导入热门游戏数据到 PocketBase
+set -e
+
+PB_URL="${PB_URL:-http://192.168.1.14:8090}"
+ADMIN_EMAIL="${ADMIN_EMAIL:-admin@example.com}"
+ADMIN_PASS="${ADMIN_PASS:-admin123456}"
+
+echo "获取管理员 Token..."
+TOKEN=$(curl -s -X POST "$PB_URL/api/admins/auth-with-password" \
+  -H "Content-Type: application/json" \
+  -d "{\"identity\":\"$ADMIN_EMAIL\",\"password\":\"$ADMIN_PASS\"}" | python3 -c "import sys,json; print(json.load(sys.stdin)['token'])")
+
+echo "Token 获取成功，开始导入游戏..."
+
+create_game() {
+  local name="$1" platform="$2" tags="$3" count="$4"
+  curl -s -X POST "$PB_URL/api/collections/games/records" \
+    -H "Authorization: Bearer $TOKEN" \
+    -H "Content-Type: application/json" \
+    -d "{\"name\":\"$name\",\"platform\":\"$platform\",\"tags\":$tags,\"popularCount\":$count}" | python3 -c "import sys,json; d=json.load(sys.stdin); print(f'  ✓ {d.get(\"name\",\"ERROR\")}')"
+}
+
+# PC 游戏
+create_game "League of Legends" "PC" '["MOBA","竞技","5v5"]' 10000
+create_game "Counter-Strike 2" "PC" '["FPS","射击","竞技"]' 9500
+create_game "Valorant" "PC" '["FPS","射击","战术"]' 9000
+create_game "Dota 2" "PC" '["MOBA","竞技","策略"]' 8500
+create_game "Apex Legends" "PC" '["FPS","大逃杀","吃鸡"]' 8000
+create_game "PUBG" "PC" '["大逃杀","吃鸡","射击"]' 7500
+create_game "Overwatch 2" "PC" '["FPS","英雄射击","团队"]' 7000
+create_game "Minecraft" "PC" '["沙盒","生存","建造"]' 6500
+create_game "Genshin Impact" "PC" '["RPG","开放世界","二次元"]' 6000
+create_game "Elden Ring" "PC" '["RPG","魂系","开放世界"]' 5500
+create_game "Teamfight Tactics" "PC" '["自走棋","策略","休闲"]' 5000
+create_game "Call of Duty: Warzone" "PC" '["FPS","大逃杀","射击"]' 4500
+create_game "Fortnite" "PC" '["大逃杀","建造","射击"]' 4000
+create_game "Dead by Daylight" "PC" '["恐怖","非对称","多人"]' 3500
+create_game "Among Us" "PC" '["社交","推理","休闲"]' 3000
+create_game "It Takes Two" "PC" '["合作","双人","冒险"]' 2500
+create_game "Baldurs Gate 3" "PC" '["RPG","回合制","合作"]' 2000
+
+# PS5
+create_game "Helldivers 2" "PS5" '["射击","合作","PvE"]' 1800
+create_game "Final Fantasy XIV" "PS5" '["MMORPG","RPG","多人"]' 1500
+create_game "Spider-Man 2" "PS5" '["动作","冒险","开放世界"]' 1200
+create_game "God of War Ragnarok" "PS5" '["动作","冒险","单人"]' 1000
+
+# Switch
+create_game "Mario Kart 8" "Switch" '["竞速","休闲","派对"]' 2000
+create_game "Zelda: TOTK" "Switch" '["冒险","开放世界","解谜"]' 1800
+create_game "Super Smash Bros" "Switch" '["格斗","派对","竞技"]' 1500
+create_game "Pokemon Scarlet" "Switch" '["RPG","收集","冒险"]' 1200
+
+# Mobile
+create_game "Honor of Kings" "Mobile" '["MOBA","竞技","5v5"]' 9000
+create_game "PUBG Mobile" "Mobile" '["大逃杀","吃鸡","射击"]' 7000
+create_game "Genshin Impact" "Mobile" '["RPG","开放世界","二次元"]' 5500
+create_game "Call of Duty Mobile" "Mobile" '["FPS","射击","多人"]' 4000
+create_game "Arena of Valor" "Mobile" '["MOBA","竞技","5v5"]' 3000
+
+# Xbox
+create_game "Halo Infinite" "Xbox" '["FPS","射击","竞技"]' 3000
+create_game "Forza Horizon 5" "Xbox" '["竞速","开放世界","休闲"]' 2500
+create_game "Starfield" "Xbox" '["RPG","开放世界","太空"]' 2000
+
+echo "导入完成！"