Restructure omni services and add Chatwoot research snapshot

research/chatwoot/lib/linear/mutations.rb

@@ -0,0 +1,66 @@
+module Linear::Mutations
+  def self.graphql_value(value)
+    case value
+    when String
+      value.to_json
+    when Array
+      "[#{value.map { |v| graphql_value(v) }.join(', ')}]"
+    else
+      value.to_s
+    end
+  end
+
+  def self.graphql_input(input)
+    input.map { |key, value| "#{key}: #{graphql_value(value)}" }.join(', ')
+  end
+
+  def self.issue_create(input)
+    <<~GRAPHQL
+      mutation {
+        issueCreate(input: { #{graphql_input(input)} }) {
+          success
+          issue {
+            id
+            title
+            identifier
+          }
+        }
+      }
+    GRAPHQL
+  end
+
+  def self.issue_link(params)
+    issue_id = params[:issue_id]
+    link = params[:link]
+    title = params[:title]
+    user_name = params[:user_name]
+    user_avatar_url = params[:user_avatar_url]
+
+    user_params = []
+    user_params << "createAsUser: #{graphql_value(user_name)}" if user_name.present?
+    user_params << "displayIconUrl: #{graphql_value(user_avatar_url)}" if user_avatar_url.present?
+
+    user_params_str = user_params.any? ? ", #{user_params.join(', ')}" : ''
+
+    <<~GRAPHQL
+      mutation {
+        attachmentLinkURL(url: #{graphql_value(link)}, issueId: #{graphql_value(issue_id)}, title: #{graphql_value(title)}#{user_params_str}) {
+          success
+          attachment {
+            id
+          }
+        }
+      }
+    GRAPHQL
+  end
+
+  def self.unlink_issue(link_id)
+    <<~GRAPHQL
+      mutation {
+        attachmentDelete(id: "#{link_id}") {
+          success
+        }
+      }
+    GRAPHQL
+  end
+end