mkfile: add scripts install target; update 9p submodule

- scripts target copies osh and oq to ~/bin/
- 9p submodule updated to include b/ batch namespace

9p

@@ -1 +1 @@
-Subproject commit cb00afb8bdbe68c0e75b1d149a0ac8110ae21e5e
+Subproject commit 793cf6b4fa699e3a7f4169d6de068e6435f94129

mkfile

@@ -7,7 +7,7 @@
 #   mk 9p         # build only 9p
 #   mk all        # build everything (default)
 
-all:V: core tui 9p data
+all:V: core tui 9p data scripts
 
 core:V:
 	echo === Building ollie-core ===
@@ -36,6 +36,11 @@ data:V:
 	cp -rf tools/* $HOME/.config/ollie/tools
 	cp doc/help.md $HOME/.config/ollie/help.md
 
+scripts:V:
+	echo === Installing scripts ===
+	mkdir -p $HOME/bin
+	cp -f scripts/osh scripts/oq $HOME/bin/
+
 help:V:
 	echo 'Ollie monorepo build targets:'
 	echo '  all     - Build all projects and install data (default)'
@@ -43,6 +48,7 @@ help:V:
 	echo '  tui     - Build terminal UI'
 	echo '  9p      - Build 9p filesystem server'
 	echo '  data    - Install agents, prompts, skills, and tools to ~/.config/ollie/'
+	echo '  scripts - Install shell scripts to ~/bin/'
 	echo ''
 	echo 'Submodules must be initialized first:'
 	echo '  git submodule update --init --recursive'