fix just mock server

README.md

@@ -1,2 +1,34 @@
 # cosmic-greeter
 libcosmic greeter for greetd, which can be run inside cosmic-comp
+
+## Development
+
+This project uses [just](https://github.com/casey/just) as a command runner.
+
+### Available Commands
+
+#### Building
+- `just build-debug` - Compile with debug profile
+- `just build-release` - Compile with release profile (default)
+- `just build-vendored` - Compile release profile with vendored dependencies
+
+#### Testing & Development
+- `just mock` - Run greeter in a windowed compositor for quick testing (builds and runs the mock server example)
+- `just run` - Run with debug logs (`RUST_LOG=debug` and `RUST_BACKTRACE=full`)
+
+#### Code Quality
+- `just check` - Run clippy linter with pedantic warnings
+- `just check-json` - Run clippy with JSON output format
+
+#### Installation
+- `just install` - Install all files (binary, daemon, D-Bus config, systemd files)
+- `just install-debian` - Install only Debian package required files
+- `just uninstall` - Remove all installed files
+
+#### Cleanup
+- `just clean` - Run `cargo clean`
+- `just clean-dist` - Run `cargo clean` and remove vendored dependencies
+
+#### Vendoring
+- `just vendor` - Vendor dependencies locally and create vendor.tar
+- `just vendor-extract` - Extract vendored dependencies from vendor.tar