Declare SCUM Run data targets

plugins/manifests/game-plugin.manifest.schema.json

@@ -133,6 +133,12 @@
           "items": { "$ref": "#/$defs/runtimeTransportProfile" },
           "uniqueItems": true
         },
+        "dataTargets": {
+          "type": "array",
+          "items": { "$ref": "#/$defs/runtimeDataTarget" },
+          "uniqueItems": true,
+          "maxItems": 64
+        },
         "clientManagers": {
           "type": "array",
           "items": { "$ref": "#/$defs/runtimeClientManagerProfile" },
@@ -838,6 +844,22 @@
         "capabilities": { "type": "array", "items": { "$ref": "#/$defs/runCapability" }, "uniqueItems": true, "minItems": 1 }
       }
     },
+    "runtimeDataTarget": {
+      "type": "object",
+      "required": ["key", "kind", "transportKey", "sourceRootKey", "sourcePath", "workspaceKey", "refreshPolicy", "maxBytes"],
+      "additionalProperties": false,
+      "properties": {
+        "key": { "$ref": "#/$defs/logicalKey" },
+        "kind": { "const": "sqlite.snapshot" },
+        "transportKey": { "$ref": "#/$defs/logicalKey" },
+        "sourceRootKey": { "$ref": "#/$defs/logicalKey" },
+        "sourcePath": { "$ref": "#/$defs/relativePathRef" },
+        "workspaceKey": { "type": "string", "pattern": "^databases/[a-z0-9][a-z0-9._/-]{0,119}$" },
+        "refreshPolicy": { "const": "on-demand-snapshot" },
+        "maxBytes": { "type": "integer", "minimum": 1, "maximum": 1073741824 },
+        "platforms": { "type": "array", "items": { "enum": ["windows", "linux", "darwin"] }, "uniqueItems": true }
+      }
+    },
     "relativePathRef": {
       "type": "string",
       "pattern": "^(?!/)(?![A-Za-z]:)(?!.*://)(?!.*\\.\\.)[a-zA-Z0-9_./-]+$",