separate permanentized data in workspace

src/hncore/Workspace.zig

@@ -3,20 +3,36 @@ const std = @import("std");
 const CommandHistory = @import("./CommandHistory.zig");
 const TaskStore      = @import("./TaskStore.zig");
 
+///
 const Self = @This();
 
+///
+const Perma = struct {
     tasks: TaskStore,
+};
+
+///
 commands: CommandHistory,
 
+///
+perma: Perma,
+
+///
 pub fn init(allocator: std.mem.Allocator) Self {
     return Self {
         .commands = CommandHistory.init(allocator),
+        .perma    = .{
             .tasks = TaskStore.init(allocator),
+        },
     };
 }
+
+///
 pub fn deinit(self: *Self) void {
-    self.tasks.deinit();
+    self.perma.tasks.deinit();
+    self.commands.deinit();
 }
+
 test {
     var ws = init(std.testing.allocator);
     defer ws.deinit();