feat(scum): add file config workbench

platform/domain/resources.go

@@ -316,6 +316,25 @@ type GamePluginPage struct {
 	BridgeActions []string
 }
 
+// PluginFileWorkspace is a bounded, logical catalog for a plugin-owned files
+// workbench. Keys are logical identifiers, never host paths.
+type PluginFileWorkspace struct {
+	DefaultDirectoryKey string
+	Directories         []PluginLogicalDirectory
+	Files               []PluginLogicalFile
+	ConfigFields        []PluginConfigField
+}
+
+type PluginLogicalDirectory struct{ Key, Label, Scope string }
+type PluginLogicalFile struct {
+	Key, DirectoryKey, Label, Kind, StreamKey string
+	Editable                                  bool
+}
+type PluginConfigField struct {
+	Key, FileKey, ConfigKey, Label, Description, Control, DefaultValue, RestartImpact string
+	Minimum, Maximum                                                                  int
+}
+
 type GamePluginBridge struct {
 	Actions []string
 }
@@ -595,6 +614,7 @@ type GamePluginManifest struct {
 	Permissions         []string
 	Actions             PluginLifecycleActions
 	Pages               []GamePluginPage
+	FileWorkspace       PluginFileWorkspace
 	AI                  GamePluginManifestAI
 	ProductionLifecycle GamePluginProductionLifecycle
 	RemoteAccess        GamePluginRemoteAccess
@@ -624,6 +644,7 @@ type GamePlugin struct {
 	LifecycleActions        PluginLifecycleActions
 	BridgeActions           []string
 	Pages                   []GamePluginPage
+	FileWorkspace           PluginFileWorkspace
 	Tags                    []string
 	AIPurposes              []string
 	ProductionLifecycle     GamePluginProductionLifecycle
@@ -1611,6 +1632,7 @@ func CopyGamePlugin(plugin GamePlugin) GamePlugin {
 	plugin.CreateFields = CopyPluginCreateFields(plugin.CreateFields)
 	plugin.BridgeActions = CopyStringSlice(plugin.BridgeActions)
 	plugin.Pages = CopyGamePluginPageSlice(plugin.Pages)
+	plugin.FileWorkspace = CopyPluginFileWorkspace(plugin.FileWorkspace)
 	plugin.Tags = CopyStringSlice(plugin.Tags)
 	plugin.AIPurposes = CopyStringSlice(plugin.AIPurposes)
 	plugin.ProductionLifecycle = CopyGamePluginProductionLifecycle(plugin.ProductionLifecycle)
@@ -1662,6 +1684,7 @@ func CopyGamePluginManifest(manifest GamePluginManifest) GamePluginManifest {
 	manifest.Capabilities = CopyStringSlice(manifest.Capabilities)
 	manifest.Permissions = CopyStringSlice(manifest.Permissions)
 	manifest.Pages = CopyGamePluginPageSlice(manifest.Pages)
+	manifest.FileWorkspace = CopyPluginFileWorkspace(manifest.FileWorkspace)
 	manifest.AI.Purposes = CopyStringSlice(manifest.AI.Purposes)
 	manifest.ProductionLifecycle = CopyGamePluginProductionLifecycle(manifest.ProductionLifecycle)
 	manifest.RemoteAccess = CopyGamePluginRemoteAccess(manifest.RemoteAccess)
@@ -1670,6 +1693,13 @@ func CopyGamePluginManifest(manifest GamePluginManifest) GamePluginManifest {
 	return manifest
 }
 
+func CopyPluginFileWorkspace(workspace PluginFileWorkspace) PluginFileWorkspace {
+	workspace.Directories = append([]PluginLogicalDirectory(nil), workspace.Directories...)
+	workspace.Files = append([]PluginLogicalFile(nil), workspace.Files...)
+	workspace.ConfigFields = append([]PluginConfigField(nil), workspace.ConfigFields...)
+	return workspace
+}
+
 func CopyPluginCreateFields(fields []PluginCreateField) []PluginCreateField {
 	if fields == nil {
 		return nil