feat: wire scene 8 chat entry beats

web/apps/console/src/presentation/authoring/AgentHandoffScene.tsx

@@ -1,60 +1,43 @@
+import { useReducer } from "react";
 import { AuthoringConversation } from "./AuthoringConversation.js";
-import type { AuthoringPhaseId } from "./authoring-recording.js";
-import type { TimelineAgentController } from "../../demo/agent/timelineAgent.js";
+import { Scene8ChatEntry } from "./Scene8ChatEntry.js";
+import {
+  initialScene8EntryState,
+  scene8EntryReducer,
+} from "./scene8-entry-state.js";
 import type { SceneBeatDefinition, SceneDefinition } from "../storyboard.js";
 
 type AgentHandoffSceneProps = {
   readonly scene: SceneDefinition;
   readonly beat: SceneBeatDefinition;
-  readonly timelineAgent?: TimelineAgentController | undefined;
 };
 
 /**
- * Full-screen prepared-authoring conversation for Scene 8.
- *
- * The request beat shows the operator asking the agent to prepare a report;
- * the handoff beat reveals the full completed conversation with all phases.
- * The conversation is a prepared recording, but the shared run action can
- * start the configured live workflow when a target is available.
+ * Scene 8 request and handoff beats share one local deterministic entry state.
  */
-export const AgentHandoffScene = ({ beat, timelineAgent }: AgentHandoffSceneProps) => {
-  const phase: AuthoringPhaseId = beat.id === "handoff" ? "deployment" : "discover";
-  const phases: readonly { readonly id: AuthoringPhaseId; readonly label: string }[] = [
-    { id: "discover", label: "Discover" },
-    { id: "draft", label: "Draft" },
-    { id: "validate", label: "Validate" },
-    { id: "artifact", label: "Artifact" },
-    { id: "deployment", label: "Deployment" },
-  ];
-  const activeIndex = phases.findIndex(({ id }) => id === phase);
+export const AgentHandoffScene = ({ beat }: AgentHandoffSceneProps) => {
+  const [entryState, dispatch] = useReducer(scene8EntryReducer, initialScene8EntryState);
+  const phase = beat.id === "handoff" ? "deployment" : "discover";
 
   return (
-    <section className="agent-handoff-scene" aria-label="prepared agent handoff" data-handoff-phase={phase} data-presentation-surface="editorial">
-      <header className="agent-handoff-scene__header">
-        <span>Prepared replay</span>
-        <strong>External agent → workflow substrate</strong>
-        <p>One conversation, with public operations and interpreted results.</p>
-      </header>
-      <ol className="agent-handoff-scene__rail" aria-label="prepared handoff phases">
-        {phases.map((item, index) => (
-          <li key={item.id} data-active={index === activeIndex ? "true" : "false"}>
-            <span>{index + 1}</span>
-            <strong>{item.label}</strong>
-          </li>
-        ))}
-      </ol>
-      <div className="agent-handoff-scene__thread">
-        <AuthoringConversation
-          throughPhase={phase}
-          activePhase={phase}
-          surface="stage"
-          runAction={timelineAgent ? {
-            label: timelineAgent.runLabel,
-            disabled: !timelineAgent.canRun,
-            run: () => { void timelineAgent.runPreparedWorkflow(); },
-          } : undefined}
-        />
-      </div>
+    <section
+      className="agent-handoff-scene"
+      aria-label="prepared agent handoff"
+      data-handoff-phase={phase}
+      data-presentation-surface="editorial"
+    >
+      {beat.id === "request" ? (
+        <Scene8ChatEntry state={entryState} dispatch={dispatch} />
+      ) : (
+        <div className="agent-handoff-scene__handoff">
+          <AuthoringConversation
+            throughPhase="deployment"
+            activePhase="deployment"
+            surface="stage"
+            {...(entryState.phase === "submitted" ? { requestOverride: entryState.request } : {})}
+          />
+        </div>
+      )}
     </section>
   );
 };