feat: (web) add quest table component for admin quests page

- Add getAllQuests() method to quest.service.ts
- Add GET /api/quests endpoint to server.ts
- Create QuestTable component with data display, formatting, and states
- Update AdminQuests.tsx to fetch and display quests above the form
- Add onSuccess callback to QuestForm for refresh handling

web/src/server.ts

@@ -197,6 +197,31 @@ export async function createWebServer(config: WebServerConfig = {}): Promise<Web
                 }
             }
 
+            if (url.pathname === "/api/quests" && req.method === "GET") {
+                try {
+                    const { questService } = await import("@shared/modules/quest/quest.service");
+                    const quests = await questService.getAllQuests();
+
+                    return Response.json({
+                        success: true,
+                        data: quests.map(q => ({
+                            id: q.id,
+                            name: q.name,
+                            description: q.description,
+                            triggerEvent: q.triggerEvent,
+                            requirements: q.requirements,
+                            rewards: q.rewards,
+                        })),
+                    });
+                } catch (error) {
+                    logger.error("web", "Error fetching quests", error);
+                    return Response.json(
+                        { error: "Failed to fetch quests", details: error instanceof Error ? error.message : String(error) },
+                        { status: 500 }
+                    );
+                }
+            }
+
             // Settings Management
             if (url.pathname === "/api/settings") {
                 try {