Migration vers une forme unifiée des cargos

Cargo.toml

@@ -21,3 +21,35 @@ members = [
     "pmoflac",
     "pmometadata", "pmocontrol",
 ]
+
+[workspace.dependencies]
+# Core
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+serde_yaml = "0.9"
+
+# Async runtime
+tokio = { version = "1.35", features = ["full"] }
+tokio-util = { version = "0.7", features = ["io"] }
+async-trait = "0.1"
+
+# Error handling
+anyhow = "1.0"
+thiserror = "2.0"  # ⚠️ Unifier sur 2.0 (vous avez 1.0 et 2.0)
+
+# Logging
+tracing = "0.1.41"
+tracing-subscriber = { version = "0.3", features = ["fmt", "env-filter"] }
+
+# HTTP/XML
+reqwest = { version = "0.12", default-features = false }
+ureq = "3.1"
+quick-xml = { version = "0.38", features = ["serialize"] }  # ⚠️ Unifier 0.37→0.38
+
+# Utilities
+chrono = { version = "0.4", features = ["serde"] }
+uuid = { version = "1.18", features = ["v4"] }
+crossbeam-channel = "0.5"
+
+# Testing
+tokio-test = "0.4"