feat: deepen machine and storage contracts

internal/model/types.go

@@ -6,22 +6,40 @@ import (
 	contracthost "github.com/getcompanion-ai/computer-host/contract"
 )
 
-type MachineRecord struct {
-	ID          contracthost.MachineID
-	Phase       contracthost.MachinePhase
-	RuntimeHost string
-	Error       string
-	CreatedAt   time.Time
-	StartedAt   *time.Time
-}
-
 type StoragePool string
 
-type VolumeRecord struct {
-	ID        contracthost.VolumeID
-	MachineID contracthost.MachineID
-	Kind      contracthost.VolumeKind
-	Pool      StoragePool
-	Path      string
-	CreatedAt time.Time
+const (
+	StoragePoolArtifacts    StoragePool = "artifacts"
+	StoragePoolMachineDisks StoragePool = "machine-disks"
+	StoragePoolState        StoragePool = "state"
+	StoragePoolUserVolumes  StoragePool = "user-volumes"
+)
+
+type ArtifactRecord struct {
+	Ref             contracthost.ArtifactRef
+	KernelImagePath string
+	RootFSPath      string
+	CreatedAt       time.Time
+}
+
+type MachineRecord struct {
+	ID             contracthost.MachineID
+	Artifact       contracthost.ArtifactRef
+	SystemVolumeID contracthost.VolumeID
+	UserVolumeIDs  []contracthost.VolumeID
+	Phase          contracthost.MachinePhase
+	RuntimeHost    string
+	Error          string
+	CreatedAt      time.Time
+	StartedAt      *time.Time
+}
+
+type VolumeRecord struct {
+	ID                contracthost.VolumeID
+	Kind              contracthost.VolumeKind
+	AttachedMachineID *contracthost.MachineID
+	SourceArtifact    *contracthost.ArtifactRef
+	Pool              StoragePool
+	Path              string
+	CreatedAt         time.Time
 }