initial fastboot

Use the fastboot CLI and add support for flashing from OCI.
Currently we extract the OCI image on the host, and fastboot CLI will perform the flashing as it already does.

Signed-off-by: Benny Zlotnik <bzlotnik@redhat.com>
Assisted-by: claude-opus-4.5

Author: bennyz

src/fls/automotive.rs

@@ -0,0 +1,49 @@
+//! CentOS Automotive Suite OCI constant
+//!
+
+/// OCI annotation keys used by automotive images for partition mapping
+pub mod annotations {
+    pub const PARTITION_ANNOTATION: &str = "automotive.sdv.cloud.redhat.com/partition";
+
+    pub const DECOMPRESSED_SIZE: &str = "automotive.sdv.cloud.redhat.com/decompressed-size";
+
+    pub const TARGET: &str = "automotive.sdv.cloud.redhat.com/target";
+
+    pub const ARCH: &str = "automotive.sdv.cloud.redhat.com/arch";
+
+    pub const DISTRO: &str = "automotive.sdv.cloud.redhat.com/distro";
+
+    pub const MULTI_LAYER: &str = "automotive.sdv.cloud.redhat.com/multi-layer";
+
+    pub const PARTS: &str = "automotive.sdv.cloud.redhat.com/parts";
+}
+
+pub mod targets {
+    pub const RIDESX4: &str = "ridesx4";
+    pub const AUTOSD: &str = "autosd";
+}
+
+/// Extract partition name from layer annotations
+pub fn extract_partition_name(
+    layer_annotations: &std::collections::HashMap<String, String>,
+) -> Option<String> {
+    layer_annotations
+        .get(annotations::PARTITION_ANNOTATION)
+        .cloned()
+}
+
+/// Extract decompressed size from layer annotations
+pub fn extract_decompressed_size(
+    layer_annotations: &std::collections::HashMap<String, String>,
+) -> Option<u64> {
+    layer_annotations
+        .get(annotations::DECOMPRESSED_SIZE)
+        .and_then(|s| s.parse().ok())
+}
+
+/// Extract target platform from OCI annotations
+pub fn extract_target_from_annotations(
+    annotations: &std::collections::HashMap<String, String>,
+) -> Option<String> {
+    annotations.get(annotations::TARGET).cloned()
+}