Add comprehensive phase system, types, and treefile support for deb-bootc-compose

- Add internal/phases/ with complete phase management system
- Add internal/types/ with core data structures
- Add internal/treefile/ for OSTree treefile generation
- Update examples with YAML configurations
- Update .gitignore to properly exclude test artifacts and build outputs
- Update dependencies and configuration files

configs/compose.yaml

@@ -1,61 +1,97 @@
 # deb-bootc-compose configuration file
-# This file configures the compose engine for creating Debian bootc images
+# Debian's equivalent to Fedora's Pungi compose system
+# Updated for Debian 13+ (trixie) which has the required OSTree version for bootc
 
-compose:
-  release: "bookworm"
-  variants: ["minimal", "standard", "development"]
-  architectures: ["amd64", "arm64"]
-  skip_phases: []
-  just_phases: []
-  parallel: false
+# Release information
+release:
+  name: "Debian"
+  short: "debian"
+  version: "13"
+  type: "stable"
+  internal: false
+
+# Build system configuration
+build_system:
+  type: "sbuild"  # or "debootstrap"
+  host: "localhost"
+  port: 8080
+  auth_token: ""
   max_workers: 4
 
-build:
-  system: "orchestrator"
-  environment: "debian-bookworm"
-  cache_dir: "./cache"
-  work_dir: "./work"
-  timeout: 1800
-  orchestrator_url: "http://localhost:8080"
-  mock_config: "debian-bookworm-amd64"
-  max_concurrent: 5
-  build_deps:
-    systemd: "build-essential, libcap-dev"
-    udev: "build-essential, libudev-dev"
-    dbus: "build-essential, libdbus-1-dev"
-
+# OSTree configuration
 ostree:
-  mode: "compose"
-  refs: ["debian/bootc"]
-  repository: "./ostree"
-  signing: false
-  key_file: ""
-  repo_path: "./ostree"
-  treefile_path: ""
-  log_dir: "./logs"
-  version: "12.5"
-  update_summary: true
-  force_new_commit: false
-  unified_core: false
-  extra_config: {}
-  ostree_ref: "debian/bootc"
-  work_dir: "./work"
-  cache_dir: "./cache"
-  container_output: true
+  repository: "./ostree-repo"
+  mode: "bare"  # or "archive"
+  signing:
+    enabled: false
+    key: ""
 
+# Output configuration
 output:
-  formats: ["ostree", "container", "tarball", "metadata"]
-  registry: ""
-  signing: false
-  compression: true
+  formats: ["container", "disk", "tarball"]
+  disk_image:
+    formats: ["raw", "qcow2", "vmdk", "vdi"]
+    size: "10G"
+  container:
+    registry: "localhost:5000"
+    tag: "latest"
 
+# Repository configuration
+repositories:
+  - name: "debian"
+    url: "http://deb.debian.org/debian"
+    suite: "trixie"
+    component: "main"
+    arch: "amd64"
+    enabled: true
+  - name: "debian-security"
+    url: "http://security.debian.org/debian-security"
+    suite: "trixie-security"
+    component: "main"
+    arch: "amd64"
+    enabled: true
+
+# Variants configuration
+variants:
+  - name: "minimal"
+    description: "Minimal base system"
+    architectures: ["amd64"]
+    packages:
+      required: []
+      optional: []
+      recommended: []
+    exclude: []
+    config: {}
+  - name: "server"
+    description: "Server variant"
+    architectures: ["amd64"]
+    packages:
+      required: ["openssh-server", "nginx"]
+      optional: []
+      recommended: []
+    exclude: []
+    config: {}
+  - name: "desktop"
+    description: "Desktop variant"
+    architectures: ["amd64"]
+    packages:
+      required: ["xorg", "gnome"]
+      optional: []
+      recommended: []
+    exclude: []
+    config: {}
+
+# Architecture configuration
+architectures: ["amd64"]
+
+# Logging configuration
 logging:
-  level: "info"
-  format: "text"
-  file: "./compose.log"
+  level: "info"  # debug, info, warn, error
+  file: ""
+  format: "text"  # json or text
 
-orchestrator:
+# Cache configuration
+cache:
   enabled: true
-  url: "http://localhost:8080"
-  auth_token: ""
-  timeout: 300
+  dir: "./cache"
+  size: "10G"