Support configured child sessions

lib/opencode/client.rb

@@ -25,8 +25,24 @@ module Opencode
       @workspace = workspace
     end
 
-    def create_session(title: nil, permissions: nil)
-      body = { title: title, permission: permissions }.compact
+    def create_session(
+      title: nil,
+      permissions: nil,
+      parent_id: nil,
+      agent: nil,
+      model: nil,
+      metadata: nil,
+      workspace_id: nil
+    )
+      body = {
+        title: title,
+        permission: permissions,
+        parentID: parent_id,
+        agent: agent,
+        model: format_session_model(model),
+        metadata: metadata,
+        workspaceID: workspace_id
+      }.compact
       post("/session", body)
     end
 
@@ -476,6 +492,14 @@ module Opencode
       { providerID: provider, modelID: model_id }
     end
 
+    def format_session_model(model)
+      return nil unless model
+      return model if model.is_a?(Hash)
+
+      provider, model_id = model.split("/", 2)
+      { providerID: provider, id: model_id }
+    end
+
     def post(path, body)
       uri = build_uri(path)
       request = Net::HTTP::Post.new(uri)

lib/opencode/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Opencode
-  VERSION = "0.0.1.alpha4"
+  VERSION = "0.0.1.alpha5"
 end