Allow reviewing of agent changes without Git (#27668)

Release Notes:

- N/A

assets/keymaps/default-linux.json

@@ -126,7 +126,6 @@
       // "alt-v": ["editor::MovePageUp", { "center_cursor": true }],
       "ctrl-alt-space": "editor::ShowCharacterPalette",
       "ctrl-;": "editor::ToggleLineNumbers",
-      "ctrl-k ctrl-r": "git::Restore",
       "ctrl-'": "editor::ToggleSelectedDiffHunks",
       "ctrl-\"": "editor::ExpandAllDiffHunks",
       "ctrl-i": "editor::ShowSignatureHelp",
@@ -138,6 +137,22 @@
       "shift-f9": "editor::EditLogBreakpoint"
     }
   },
+  {
+    "context": "Editor && !assistant_diff",
+    "bindings": {
+      "ctrl-k ctrl-r": "git::Restore",
+      "ctrl-alt-y": "git::ToggleStaged",
+      "alt-y": "git::StageAndNext",
+      "alt-shift-y": "git::UnstageAndNext"
+    }
+  },
+  {
+    "context": "AssistantDiff",
+    "bindings": {
+      "ctrl-y": "assistant2::ToggleKeep",
+      "ctrl-k ctrl-r": "assistant2::Reject"
+    }
+  },
   {
     "context": "Editor && mode == full",
     "bindings": {
@@ -382,9 +397,6 @@
       "ctrl-k v": "markdown::OpenPreviewToTheSide",
       "ctrl-shift-v": "markdown::OpenPreview",
       "ctrl-alt-shift-c": "editor::DisplayCursorNames",
-      "ctrl-alt-y": "git::ToggleStaged",
-      "alt-y": "git::StageAndNext",
-      "alt-shift-y": "git::UnstageAndNext",
       "alt-.": "editor::GoToHunk",
       "alt-,": "editor::GoToPreviousHunk"
     }