refactor(characters): drive shared UI from active character

src/stores/chat/machine/session-flow.ts

@@ -19,20 +19,26 @@ import {
 
 const startGuestSessionAction = unlockMachineSetup.assign(
   ({ context }) => ({
-    ...createInitialChatState(context.characterId),
+    ...createInitialChatState(
+      context.characterId,
+      context.emptyChatGreeting,
+    ),
     promotion: context.promotion,
   }),
 );
 
 const startUserSessionAction = unlockMachineSetup.assign(
   ({ context }) => ({
-    ...createInitialChatState(context.characterId),
+    ...createInitialChatState(
+      context.characterId,
+      context.emptyChatGreeting,
+    ),
     promotion: context.promotion,
   }),
 );
 
 const clearChatSessionAction = unlockMachineSetup.assign(({ context }) => ({
-  ...createInitialChatState(context.characterId),
+  ...createInitialChatState(context.characterId, context.emptyChatGreeting),
 }));
 
 const injectPromotionAction = unlockMachineSetup.assign(({ event }) => {
@@ -80,12 +86,18 @@ const guestSessionState = chatMachineSetup.createStateConfig({
     {
       id: "loadHistory",
       src: "loadHistory",
-      input: ({ context }) => ({ characterId: context.characterId }),
+      input: ({ context }) => ({
+        characterId: context.characterId,
+        emptyChatGreeting: context.emptyChatGreeting,
+      }),
     },
     {
       id: "loadMoreHistory",
       src: "loadMoreHistory",
-      input: ({ context }) => ({ characterId: context.characterId }),
+      input: ({ context }) => ({
+        characterId: context.characterId,
+        emptyChatGreeting: context.emptyChatGreeting,
+      }),
     },
   ],
   on: {
@@ -162,12 +174,18 @@ const userSessionState = chatMachineSetup.createStateConfig({
     {
       id: "loadHistory",
       src: "loadHistory",
-      input: ({ context }) => ({ characterId: context.characterId }),
+      input: ({ context }) => ({
+        characterId: context.characterId,
+        emptyChatGreeting: context.emptyChatGreeting,
+      }),
     },
     {
       id: "loadMoreHistory",
       src: "loadMoreHistory",
-      input: ({ context }) => ({ characterId: context.characterId }),
+      input: ({ context }) => ({
+        characterId: context.characterId,
+        emptyChatGreeting: context.emptyChatGreeting,
+      }),
     },
   ],
   on: {