Merge edge into feat/title-conditions: §3's zone presets

Two conflicts, both additive: schema.sql and purge.sql keep both phases'
tables. Swagger fragment (61 paths) and routes.manifest (67 routes)
regenerated against the pinned core; 455 server and 58 client tests pass.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E14m6SuuY6i1vASFeGDBeY

routes.manifest.json

@@ -16,6 +16,11 @@
       "path": "/api/v1/admin/rust/servers/:id",
       "tier": "public"
     },
+    {
+      "method": "DELETE",
+      "path": "/api/v1/admin/rust/zones/presets/:id",
+      "tier": "public"
+    },
     {
       "method": "DELETE",
       "path": "/api/v1/admin/users/:id/rust/links/:steamId",
@@ -96,6 +101,11 @@
       "path": "/api/v1/admin/rust/voice",
       "tier": "public"
     },
+    {
+      "method": "GET",
+      "path": "/api/v1/admin/rust/zones",
+      "tier": "public"
+    },
     {
       "method": "GET",
       "path": "/api/v1/admin/users/:id/rust/links",
@@ -266,6 +276,11 @@
       "path": "/api/v1/admin/rust/servers/:id/test",
       "tier": "public"
     },
+    {
+      "method": "POST",
+      "path": "/api/v1/admin/rust/zones/presets",
+      "tier": "public"
+    },
     {
       "method": "POST",
       "path": "/api/v1/admin/users/:id/rust/permissions/grants",
@@ -315,6 +330,11 @@
       "method": "PUT",
       "path": "/api/v1/admin/rust/voice",
       "tier": "public"
+    },
+    {
+      "method": "PUT",
+      "path": "/api/v1/admin/rust/zones/presets/:id",
+      "tier": "public"
     }
   ]
 }