feat: display gem socket slots and socket bonus in item tooltips

include/game/world_packets.hpp

@@ -1594,6 +1594,9 @@ struct ItemQueryResponseData {
     struct ExtraStat { uint32_t statType = 0; int32_t statValue = 0; };
     std::vector<ExtraStat> extraStats;
     uint32_t startQuestId = 0;  // Non-zero: item begins a quest
+    // Gem socket slots (WotLK/TBC): 0=no socket; color mask: 1=Meta,2=Red,4=Yellow,8=Blue
+    std::array<uint32_t, 3> socketColor{};
+    uint32_t socketBonus = 0;   // enchantmentId of socket bonus; 0=none
     bool valid = false;
 };
 

src/game/world_packets.cpp

@@ -2930,6 +2930,26 @@ bool ItemQueryResponseParser::parse(network::Packet& packet, ItemQueryResponseDa
         data.startQuestId = packet.readUInt32(); // StartQuest
     }
 
+    // WotLK 3.3.5a: additional fields after StartQuest (read up to socket data)
+    // LockID(4), Material(4), Sheath(4), RandomProperty(4), RandomSuffix(4),
+    // Block(4), ItemSet(4), MaxDurability(4), Area(4), Map(4), BagFamily(4),
+    // TotemCategory(4) = 48 bytes before sockets
+    constexpr size_t kPreSocketSkip = 48;
+    if (packet.getReadPos() + kPreSocketSkip + 28 <= packet.getSize()) {
+        for (size_t i = 0; i < kPreSocketSkip / 4; ++i)
+            packet.readUInt32();
+        // 3 socket slots: socketColor (4 bytes each)
+        data.socketColor[0] = packet.readUInt32();
+        data.socketColor[1] = packet.readUInt32();
+        data.socketColor[2] = packet.readUInt32();
+        // 3 socket content (gem enchantment IDs — skip, not currently displayed)
+        packet.readUInt32();
+        packet.readUInt32();
+        packet.readUInt32();
+        // socketBonus (enchantmentId)
+        data.socketBonus = packet.readUInt32();
+    }
+
     data.valid = !data.name.empty();
     return true;
 }

src/ui/inventory_screen.cpp

@@ -2482,6 +2482,35 @@ void InventoryScreen::renderItemTooltip(const game::ItemQueryResponseData& info,
         }
     }
 
+    // Gem socket slots
+    {
+        static const struct { uint32_t mask; const char* label; ImVec4 col; } kSocketTypes[] = {
+            { 1, "Meta Socket",   { 0.7f, 0.7f, 0.9f, 1.0f } },
+            { 2, "Red Socket",    { 1.0f, 0.3f, 0.3f, 1.0f } },
+            { 4, "Yellow Socket", { 1.0f, 0.9f, 0.3f, 1.0f } },
+            { 8, "Blue Socket",   { 0.3f, 0.6f, 1.0f, 1.0f } },
+        };
+        bool hasSocket = false;
+        for (int i = 0; i < 3; ++i) {
+            if (info.socketColor[i] == 0) continue;
+            if (!hasSocket) { ImGui::Spacing(); hasSocket = true; }
+            for (const auto& st : kSocketTypes) {
+                if (info.socketColor[i] & st.mask) {
+                    ImGui::TextColored(st.col, "%s", st.label);
+                    break;
+                }
+            }
+        }
+        if (hasSocket && info.socketBonus != 0 && gameHandler_) {
+            // Socket bonus is an enchantment ID — show its name if known
+            const std::string& bonusName = gameHandler_->getSpellName(info.socketBonus);
+            if (!bonusName.empty())
+                ImGui::TextColored(ImVec4(0.5f, 0.8f, 0.5f, 1.0f), "Socket Bonus: %s", bonusName.c_str());
+            else
+                ImGui::TextColored(ImVec4(0.5f, 0.8f, 0.5f, 1.0f), "Socket Bonus: (id %u)", info.socketBonus);
+        }
+    }
+
     if (info.startQuestId != 0) {
         ImGui::TextColored(ImVec4(1.0f, 0.82f, 0.0f, 1.0f), "Begins a Quest");
     }