Neovim: Fix <C-e> hotkey in Octo buffers

This reverts commit 3e521b1b90.

home/.config/nvim/lua/plugins/octo.lua

@@ -0,0 +1,17 @@
+-- Restore <C-e> to its default scroll behavior in Octo review/PR buffers.
+-- Octo binds <C-e> to copy_sha, which errors "Not a pull request buffer" in
+-- diff buffers instead of scrolling. Blanking the lhs makes Octo skip the
+-- mapping (see octo.utils.is_blank / apply_mappings), so <C-e> scrolls again.
+return {
+  "pwntester/octo.nvim",
+  opts = {
+    mappings = {
+      review_diff = {
+        copy_sha = { lhs = "" },
+      },
+      pull_request = {
+        copy_sha = { lhs = "" },
+      },
+    },
+  },
+}

home/.tmux.conf

@@ -48,11 +48,6 @@ bind-key -T copy-mode-vi 'C-l' select-pane -R
 set -g allow-passthrough on
 set -as terminal-features 'xterm-ghostty*:RGB'
 
-# Extended key reporting (requires tmux 3.5+).
-# Apply with: tmux kill-server && tmux
-set -g extended-keys on
-set -g extended-keys-format csi-u
-
 # change windows
 bind -n S-Right next-window
 bind -n S-Left previous-window