riverctl patch: fix bugs with keybind mode oneshot option

patches/riverctl/README.md

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+### Description
+This patch adds river-control-unstable-v1 support to dwl.
+This protocol allows sending args to dwl to execute functions via the included dwlctl.
+This is used to allow changing rules and binds, at runtime via dwlctl.
+
+Most of this patch is stored in river-control.h, It contains a list of functions which can be called via dwlctl so adding support for new functions is as simple as adding them to the list.
+
+This patches main intended use case is to have a startup script that calls dwlctl a bunch to add all the binds/rules you want, without the need of restarting dwl if you make any changes to the list of binds/rules.
+
+This patch also adds keybind modes which allow switching between a diffrent sets of keybinds on the fly.
+Also you can set a keybind mode as oneshot(meaning as soon as a keybind is activated the mode is switch) by using...
+`dwlctl oneshot-mode _layout_you_want_to_make_oneshot_here_ _layout_you_want_to_switch_to_after_keybind_pressed_`
+Just make sure to set a mode as oneshot after creating a bind under it otherwise it won't work.
+
+
+### dwlctl syntax example
+```
+dwlctl clear-binds
+
+dwlctl bind normal super,shift Return spawn kitty tmux
+
+dwlctl bind normal supershift q killclient
+
+dwlctl bind normal super l enter-mode layoutpick
+
+dwlctl bind layoutpick none t layout 0
+dwlctl bind layoutpick none f layout 1
+dwlctl bind layoutpick none m layout 2
+dwlctl oneshot-mode layoutpick normal
+
+dwlctl clear-rules
+
+dwlctl rule-add -appid steam -title steam float tags $((1 << 2))
+
+dwlctl rule-add -appid kitty float
+
+dwlctl rule-add -title firefox float
+
+dwlctl spawn kitty tmux
+
+dwlctl setlayout 2
+
+dwlctl togglefullscreen
+```
+
+### Download
+- [git branch](/zuki/dwl-ctl/src/main) 
+- [0.7](/dwl/dwl-patches/raw/branch/main/patches/riverctl/riverctl.patch)
+- [main 2025-07-29](/dwl/dwl-patches/raw/branch/main/patches/riverctl/riverctl.patch)
+### Authors - latest at top [Codeberg nick is mandatory; other contact methods optional]
+- [zuki](https://codeberg.org/zuki)
+  zukirust@gmail.com
+  zuki at [Libera IRC dwl channel](https://web.libera.chat/?channels=#dwl)
+  #zukigay at [dwl Discord](https://discord.gg/jJxZnrGPWN)