docs(kugetsu-setup): simplify - remove Docker section and curl downloads

- Remove Docker/Podman section (not tested by maintainer)
- Remove curl download instructions (assume user cloned repo)
- Add note that Incus systemd config may vary by version
- Update troubleshooting to reflect cloned repo path

docs/kugetsu-setup.md

@@ -36,37 +36,20 @@ incus exec <container-name> -- bash
 incus exec <container-name> -- apt-get update
 incus exec <container-name> -- apt-get install -y systemd
 
-# Enable systemd as PID 1 (if using systemd in container)
-incus config set <container-name> init.launchd.systemd true
-```
+# Enable systemd in container (Incus specific - verify with your setup)
+incus config set <container-name> security.syscalls.intercept.systemd true
 
-### Docker/Podman
-
-```bash
-# Use an image with systemd support
-docker run -d --name <container-name> \
-  --systemd=always \
-  -v /sys/fs/cgroup:/sys/fs/cgroup:rw \
-  debian:12 \
-  /sbin/init
-```
+> **Note:** Container must be privileged or have CAP_SYS_ADMIN for systemd features.
+> The exact command may vary by Incus version - check Incus documentation for your setup.
 
 ---
 
 ## SSH Setup
 
-### Quick Setup (Automated)
+### Automated Setup
 
 Run the setup script inside your container:
 
-```bash
-curl -fsSL https://raw.githubusercontent.com/shoko/kugetsu/main/skills/kugetsu/scripts/sshd-setup.sh -o sshd-setup.sh
-chmod +x sshd-setup.sh
-bash sshd-setup.sh <username>
-```
-
-Or if you have cloned the repository:
-
 ```bash
 chmod +x skills/kugetsu/scripts/sshd-setup.sh
 bash skills/kugetsu/scripts/sshd-setup.sh <username>
@@ -165,17 +148,8 @@ ssh -p 2222 <username>@localhost sudo systemctl status sshd
 ### Automated Install
 
 ```bash
-curl -fsSL https://raw.githubusercontent.com/shoko/kugetsu/main/skills/kugetsu/scripts/kugetsu-install.sh | bash
-```
-
-### Manual Install
-
-```bash
-# Clone repository
-git clone https://git.fbrns.co/shoko/kugetsu.git
-
-# Run install script
-bash kugetsu/skills/kugetsu/scripts/kugetsu-install.sh
+# If you have cloned the repository
+bash skills/kugetsu/scripts/kugetsu-install.sh
 
 # Reload shell or source bashrc
 source ~/.bashrc
@@ -323,8 +297,8 @@ ssh -p 2222 <username>@<host-ip> ls -la ~/.ssh/
 # Check PATH
 ssh -p 2222 <username>@<host-ip> 'echo $PATH'
 
-# Re-run install
-ssh -p 2222 <username>@<host-ip> 'bash ~/.kugetsu/scripts/kugetsu-install.sh'
+# Re-run install (if repo is cloned on container)
+ssh -p 2222 <username>@<host-ip> 'bash ~/path/to/kugetsu/skills/kugetsu/scripts/kugetsu-install.sh'
 ```
 
 ---