Improves the session definition

Author: samejr

apps/webapp/app/components/BlankStatePanels.tsx

@@ -207,16 +207,14 @@ export function SessionsNone() {
       }
     >
       <Paragraph spacing variant="small">
-        A session is a pair of streams: input for incoming user messages, and output for
-        everything the agent produces, including AI generation parts (text, reasoning, tool
-        calls, etc.) and any custom data parts your task emits. Sessions also orchestrate the
-        execution of agent runs, so a single conversation can span many task triggers.
+        A session is a stateful execution of an agent. It includes two-way streaming and durable
+        compute. A session can have multiple “Runs” associated with it.
       </Paragraph>
       <Paragraph spacing variant="small">
         The easiest way to create one is to trigger a <InlineCode>chat.agent</InlineCode> task,
         which is built on sessions and handles the chat turn loop for you. You can also call{" "}
-        <InlineCode>sessions.start()</InlineCode> directly for non-chat patterns like agent
-        inboxes, approval flows, or server-to-server streaming.
+        <InlineCode>sessions.start()</InlineCode> directly for non-chat patterns like agent inboxes,
+        approval flows, or server-to-server streaming.
       </Paragraph>
     </InfoPanel>
   );

apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.sessions._index/route.tsx

@@ -129,10 +129,7 @@ function SessionsHelpTooltip() {
           <div>
             <Paragraph variant="small/bright">What is a session?</Paragraph>
             <Paragraph variant="small" className="mt-1">
-              A session is a pair of streams: input for incoming user messages, and output for
-              everything the agent produces, including AI generation parts (text, reasoning, tool
-              calls, etc.) and any custom data parts your task emits. Sessions also orchestrate the
-              execution of agent runs, so a single conversation can span many task triggers.
+            A session is a stateful execution of an agent. It includes two-way streaming and durable compute. A session can have multiple “Runs” associated with it.
             </Paragraph>
           </div>
           <div className="flex flex-col gap-2.5 border-t border-grid-dimmed pt-3">