[Server/Client/Protocol] Reporting users + moderation queue functionality (#7091)

* [Server/Client/Protocol] Reporting users + moderation queue functionality

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* CI Fix

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* CI Fix

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* [Protocol] Add moderation investigation commands

Adds the protocol layer for the moderation investigation suite:
- Command_GetUserSessions/GetUserAlts/GetModeratorLastLogins/ResetUserPassword/RemoveUserAvatar (1013-1017)
- Response extensions 1215-1219 with ServerInfo messages for sessions, alts, and staff logins
- last_login on Response_ReportUserInfo and warning_il on Response_WarnList

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* [Utility] Add warning categories parser with infraction levels

Parses the server's 'officialwarnings' setting (comma-separated, optional
'|IL' suffix) into WarningCategory structs so the client can display the
infraction level of each warning category. Includes GTest coverage.

* [Server] Add moderation investigation tools

Implements the server side of the moderation suite:
- getUserSessions/getUserAlts/getModeratorLastLogins/removeUserAvatar DB methods
- Handlers for all five new commands with audit records (PASSWORD_RESET,
  REMOVE_USER_AVATAR); password resets return a generated temporary password
- cmdGetWarnList now reports per-category infraction levels from the
  officialwarnings setting; cmdReportUserInfo reports last_login
- Update servatrice.ini.example with the warning taxonomy
- Password/avatar mutations report RespNameNotFound when the user does not exist

* [Client] Add moderation tab with investigate, password reset, and avatar removal

- New Moderation tab: search a user to show account info, alternate
  accounts, login sessions, and staff last logins; actions to reset the
  user's password (shows the generated temporary password) and remove the
  user's avatar
- 'Investigate user' entry in the user context menu opens the tab pre-loaded
  for that user
- Warning dialog shows the infraction level of each warning category
- Tab wired into TabSupervisor with a moderator-gated menu action, shortcut,
  and tabs.ini persistence (default closed)

* [Server/Client/Protocol] Address PR #7091 review: security, bug, and perf fixes

Security:
- Promote RESET_USER_PASSWORD to admin-only dispatch (was moderator-accessible)
- Reject password reset on users with equal/higher privilege than caller
- Notify affected user via Event_NotifyUser::CUSTOM when password is reset
- Add server-side category whitelist for reports
- Drop reporter name fallback in comment/details authorization (ID-only)
- Force password change: new DB column + login enforcement + client disconnect

Bugs:
- XSS via QTextEdit::append() → insertPlainText() in report tab and utils
- allNotified initialized to true even with empty recipients list
- Warning combo box: use currentData() instead of baked-in display text
- Report resolution now records who resolved (resolved_by column + audit)

Performance:
- IP-correlation subquery: add 6-month window + LIMIT 200
- getUserSessions: clamp limit to 500

Non-blocking:
- Palette-aware colors in report_utils.cpp (dark/light mode)
- Report list pagination: offset/limit fields + total_count in response
- SessionCommand enum gap comment for reserved values 1201-1203

Schema: 36→37 (force_password_change), 37→38 (resolved_by)

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* Fix macOs pedantry

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---------

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/interface/widgets/tabs/tab_supervisor.h

@@ -40,6 +40,8 @@ class TabDeckStorage;
 class TabReplays;
 class TabAdmin;
 class TabMessage;
+class TabReport;
+class TabModeration;
 class TabAccount;
 class TabDeckEditor;
 class TabLog;
@@ -103,6 +105,8 @@ private:
     TabAdmin *tabAdmin;
     TabCardArtRules *tabCardArtRules;
     TabLog *tabLog;
+    TabReport *tabReport;
+    TabModeration *tabModeration;
     QMap<int, TabRoom *> roomTabs;
     QMap<int, TabGame *> gameTabs;
     QList<TabGame *> replayTabs;
@@ -112,7 +116,7 @@ private:
 
     QAction *aTabHome, *aTabDeckEditor, *aTabVisualDeckEditor, *aTabEdhRec, *aTabArchidekt, *aTabVisualDeckStorage,
         *aTabVisualDatabaseDisplay, *aTabServer, *aTabAccount, *aTabDeckStorage, *aTabReplays, *aTabAdmin,
-        *aTabCardArtRules, *aTabLog;
+        *aTabCardArtRules, *aTabLog, *aTabReport, *aTabModeration;
 
     int myAddTab(Tab *tab, QAction *manager = nullptr);
     void addCloseButtonToTab(Tab *tab, int tabIndex, QAction *manager);
@@ -183,6 +187,8 @@ public slots:
     TabArchidekt *addArchidektTab();
     TabEdhRec *addEdhrecTab(const CardInfoPtr &cardToQuery, bool isCommander = false);
     void openReplay(GameReplay *replay);
+    void joinReportGame(int gameId, int roomId);
+    void openTabModeration(const QString &userName = {});
     void switchToFirstAvailableNetworkTab();
     void maximizeMainWindow();
     void actTabVisualDeckStorage(bool checked);
@@ -198,6 +204,8 @@ private slots:
     void actTabDeckStorage(bool checked);
     void actTabAdmin(bool checked);
     void actTabLog(bool checked);
+    void actTabReport(bool checked);
+    void actTabModeration(bool checked);
 
     void openTabVisualDeckStorage();
     void openTabHome();
@@ -208,6 +216,7 @@ private slots:
     void actTabCardArtRules(bool checked);
     void openTabCardArtRules();
     void openTabLog();
+    void openTabReport();
 
     void updateCurrent(int index);
     void updatePingTime(int value, int max);