feat: game aliases + edit permissions + scoped game select (v0.3.6)

- Add aliases field to games (json array), searchable in game library and team session
- Add edit functionality inside GameDetailDialog (creator/owner/admin can modify)
- Add permission control for delete/edit buttons (only visible to authorized users)
- Scope GameSelectDialog to current group only
- Support aliases in import/export

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/pb_migrations/1776942666_updated_games.js

@@ -0,0 +1,18 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((db) => {
+  const dao = new Dao(db)
+  const collection = dao.findCollectionByNameOrId("x5adjlc0txf16r8")
+
+  collection.listRule = "@request.auth.id != \"\" && group.members ~ @request.auth.id"
+  collection.viewRule = "@request.auth.id != \"\" && group.members ~ @request.auth.id"
+
+  return dao.saveCollection(collection)
+}, (db) => {
+  const dao = new Dao(db)
+  const collection = dao.findCollectionByNameOrId("x5adjlc0txf16r8")
+
+  collection.listRule = "group.owner = @request.auth.id || group.members.id = @request.auth.id"
+  collection.viewRule = "group.owner = @request.auth.id || group.members.id = @request.auth.id"
+
+  return dao.saveCollection(collection)
+})

backend/pb_migrations/1777017167_updated_games.js

@@ -0,0 +1,37 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((db) => {
+  const dao = new Dao(db)
+  const collection = dao.findCollectionByNameOrId("x5adjlc0txf16r8")
+
+  // add aliases field (json array of strings)
+  collection.schema.addField(new SchemaField({
+    "system": false,
+    "id": "aliases_field",
+    "name": "aliases",
+    "type": "json",
+    "required": false,
+    "presentable": false,
+    "unique": false,
+    "options": {
+      "maxSize": 5000
+    }
+  }))
+
+  // update rules: allow group admins to update/delete
+  collection.updateRule = "group.owner = @request.auth.id || addedBy = @request.auth.id || group.admins ~ @request.auth.id"
+  collection.deleteRule = "group.owner = @request.auth.id || addedBy = @request.auth.id || group.admins ~ @request.auth.id"
+
+  return dao.saveCollection(collection)
+}, (db) => {
+  const dao = new Dao(db)
+  const collection = dao.findCollectionByNameOrId("x5adjlc0txf16r8")
+
+  // remove aliases field
+  collection.schema.removeField("aliases_field")
+
+  // restore original rules
+  collection.updateRule = "group.owner = @request.auth.id || addedBy = @request.auth.id"
+  collection.deleteRule = "group.owner = @request.auth.id || addedBy = @request.auth.id"
+
+  return dao.saveCollection(collection)
+})