Import march-2020-03-10 from private repo (scrubbed 2026-05-27)

Targets Rec Room 2020.03.10 client (also serves 2020.03.06).

Re-import after adding:
- DorkNet.ClientMod/dorknet-clientmod.json.template — config schema
  the launcher's manifest-driven patcher renders into UserData/.
- tools/build-patcher-zip.ps1 — produces dorknet-clientpatch-{key}.zip
  for v1-march-* Release uploads.
- .github/workflows/release.yml — on tag push publishes both
  dorknet-server-march_2020_03_10-win-x64.zip and
  dorknet-clientpatch-march_2020_03_10.zip as Release assets.

Same scrub rules as december; tools/build-patcher-zip.ps1 added to
the maintainer-side allow-list so it survives.

DorkNet.Server/Controllers/API/PlayersBanned/PlayersBannedController.cs

@@ -0,0 +1,29 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using DorkNet.Server.Data;
+
+namespace DorkNet.Server.Controllers.API.PlayersBanned;
+
+/// <summary>
+/// api.{rec.net,localhost}/api/PlayersBanned/v1/all — current global
+/// ban list. The watch's mod panel queries this on open.
+/// </summary>
+[ApiController]
+public class PlayersBannedController(DorkNetDbContext db) : ControllerBase
+{
+    [HttpGet("api/PlayersBanned/v1/all")]
+    public async Task<IActionResult> All()
+    {
+        var now = DateTime.UtcNow;
+        var rows = await db.Players
+            .Where(p => p.BannedUntil != null && p.BannedUntil > now)
+            .Select(p => new
+            {
+                PlayerId = (int)p.Id,
+                p.Username,
+                BannedUntil = p.BannedUntil,
+            })
+            .ToListAsync();
+        return Ok(rows);
+    }
+}