Refactor authentication handling and improve API client security

- Updated OAuth endpoints for Challonge and Discord in platforms configuration.
- Implemented session and CSRF cookie initialization in main application entry.
- Enhanced Challonge API client to avoid sending sensitive API keys from the browser.
- Modified tournament querying to handle new state definitions and improved error handling.
- Updated UI components to reflect server-side storage of authentication tokens.
- Improved user experience in API Key Manager and Authentication Hub with clearer messaging.
- Refactored client credentials management to support asynchronous operations.
- Adjusted API client tests to validate new request configurations.
- Updated Vite configuration to support session and CSRF handling through proxies.

docs/projects/pokemon-professor/.obsidian/workspace.json

@@ -13,12 +13,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Leagues/EA Collectibles/Support Ticket - 3224942.md",
+                "file": "Professor University/Untitled.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "Support Ticket - 3224942"
+              "title": "Untitled"
             }
           }
         ]
@@ -172,6 +172,8 @@
   },
   "active": "03bc92bce96d8847",
   "lastOpenFiles": [
+    "Leagues/EA Collectibles/Support Ticket - 3224942.md",
+    "Professor University/Untitled.md",
     "Attachements/IMG_7127.png",
     "Attachements/IMG_7126.png",
     "Attachements/IMG_7125.png",
@@ -191,14 +193,12 @@
     "Attachements/Gmail - June Reporting.pdf",
     "Attachements/CleanShot 2026-02-02 at 11.27.53@2x.png",
     "Leagues/Card Cycle/Things To Chat About.md",
-    "Leagues/EA Collectibles/Support Ticket - 3224942.md",
     "Leagues/Card Cycle/League Approval.md",
     "Leagues/Card Cycle/League Application.md",
     "Leagues/Card Cycle/Staff.md",
     "Leagues/Getting a Store Sanctioned.md",
     "Attachements/CleanShot 2026-01-29 at 12.20.56@2x.png",
     "Attachements/IMG_2050.jpeg",
-    "Attachements/IMG_2049.jpeg",
     "Leagues/First League Challenge.md",
     "Regionals/Championship Series/2024.md",
     "Regionals/Championship Series/2027.md",