fix: disable default save page as (#6548)

Co-authored-by: Peng Xiao <pengxiao@outlook.com>

packages/backend/server/src/schema.gql

@@ -26,6 +26,7 @@ type Copilot {
 type CopilotHistories {
   """An mark identifying which view to use to display the session"""
   action: String
+  createdAt: DateTime!
   messages: [ChatMessage!]!
   sessionId: String!
 

packages/frontend/core/src/hooks/affine/use-register-blocksuite-editor-commands.tsx

@@ -238,6 +238,22 @@ export function useRegisterBlocksuiteEditorCommands() {
       );
     }
 
+    unsubs.push(
+      registerAffineCommand({
+        id: 'alert-ctrl-s',
+        category: 'affine:general',
+        preconditionStrategy: PreconditionStrategy.Never,
+        keyBinding: {
+          binding: '$mod+s',
+        },
+        label: '',
+        icon: null,
+        run() {
+          toast(t['Save']());
+        },
+      })
+    );
+
     return () => {
       unsubs.forEach(unsub => unsub());
     };

packages/frontend/graphql/src/graphql/index.ts

@@ -225,6 +225,7 @@ query getCopilotHistories($workspaceId: String!, $docId: String, $options: Query
         sessionId
         tokens
         action
+        createdAt
         messages {
           role
           content

packages/frontend/graphql/src/schema.ts

@@ -340,6 +340,7 @@ export type GetCopilotHistoriesQuery = {
         sessionId: string;
         tokens: number;
         action: string | null;
+        createdAt: string;
         messages: Array<{
           __typename?: 'ChatMessage';
           role: string;