feat: Migrate SAL to Cargo workspace

- Migrate individual modules to independent crates
- Refactor dependencies for improved modularity
- Update build system and testing infrastructure
- Update documentation to reflect new structure

Cargo.toml

@@ -12,53 +12,66 @@ readme = "README.md"
 
 [workspace]
 members = [".", "vault", "git", "redisclient", "mycelium", "text", "os", "net", "zinit_client", "process", "virt", "postgresclient", "rhai", "herodo"]
+resolver = "2"
+
+[workspace.metadata]
+# Workspace-level metadata
+rust-version = "1.70.0"
+
+[workspace.dependencies]
+# Core shared dependencies with consistent versions
+anyhow = "1.0.98"
+base64 = "0.22.1"
+dirs = "6.0.0"
+env_logger = "0.11.8"
+futures = "0.3.30"
+glob = "0.3.1"
+lazy_static = "1.4.0"
+libc = "0.2"
+log = "0.4"
+once_cell = "1.18.0"
+rand = "0.8.5"
+regex = "1.8.1"
+reqwest = { version = "0.12.15", features = ["json"] }
+rhai = { version = "1.12.0", features = ["sync"] }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+tempfile = "3.5"
+thiserror = "2.0.12"
+tokio = { version = "1.45.0", features = ["full"] }
+url = "2.4"
+uuid = { version = "1.16.0", features = ["v4"] }
+
+# Database dependencies
+postgres = "0.19.10"
+r2d2_postgres = "0.18.2"
+redis = "0.31.0"
+tokio-postgres = "0.7.13"
+
+# Crypto dependencies
+chacha20poly1305 = "0.10.1"
+k256 = { version = "0.13.4", features = ["ecdsa", "ecdh"] }
+sha2 = "0.10.7"
+hex = "0.4"
+
+# Ethereum dependencies
+ethers = { version = "2.0.7", features = ["legacy"] }
+
+# Platform-specific dependencies
+nix = "0.30.1"
+windows = { version = "0.61.1", features = [
+    "Win32_Foundation",
+    "Win32_System_Threading",
+    "Win32_Storage_FileSystem",
+] }
+
+# Specialized dependencies
+zinit-client = "0.3.0"
+urlencoding = "2.1.3"
+tokio-test = "0.4.4"
 
 [dependencies]
-hex = "0.4"
-anyhow = "1.0.98"
-base64 = "0.22.1" # Base64 encoding/decoding
-cfg-if = "1.0"
-chacha20poly1305 = "0.10.1" # ChaCha20Poly1305 AEAD cipher
-clap = "2.34.0" # Command-line argument parsing
-dirs = "6.0.0" # Directory paths
-env_logger = "0.11.8" # Logger implementation
-ethers = { version = "2.0.7", features = ["legacy"] } # Ethereum library
-glob = "0.3.1" # For file pattern matching
-jsonrpsee = "0.25.1"
-k256 = { version = "0.13.4", features = [
-    "ecdsa",
-    "ecdh",
-] } # Elliptic curve cryptography
-lazy_static = "1.4.0" # For lazy initialization of static variables
-libc = "0.2"
-log = "0.4" # Logging facade
-once_cell = "1.18.0" # Lazy static initialization
-postgres = "0.19.4" # PostgreSQL client
-postgres-types = "0.2.5" # PostgreSQL type conversions
-r2d2 = "0.8.10"
-r2d2_postgres = "0.18.2"
-rand = "0.8.5" # Random number generation
-redis = "0.31.0" # Redis client
-regex = "1.8.1" # For regex pattern matching
-rhai = { version = "1.12.0", features = ["sync"] } # Embedded scripting language
-serde = { version = "1.0", features = [
-    "derive",
-] } # For serialization/deserialization
-serde_json = "1.0" # For JSON handling
-sha2 = "0.10.7" # SHA-2 hash functions
-tempfile = "3.5" # For temporary file operations
-tera = "1.19.0" # Template engine for text rendering
-thiserror = "2.0.12" # For error handling
-tokio = { version = "1.45.0", features = ["full"] }
-tokio-postgres = "0.7.8" # Async PostgreSQL client
-tokio-test = "0.4.4"
-uuid = { version = "1.16.0", features = ["v4"] }
-reqwest = { version = "0.12.15", features = ["json"] }
-urlencoding = "2.1.3"
-russh = "0.42.0"
-russh-keys = "0.42.0"
-async-trait = "0.1.81"
-futures = "0.3.30"
+thiserror = "2.0.12" # For error handling in the main Error enum
 sal-git = { path = "git" }
 sal-redisclient = { path = "redisclient" }
 sal-mycelium = { path = "mycelium" }
@@ -71,22 +84,3 @@ sal-virt = { path = "virt" }
 sal-postgresclient = { path = "postgresclient" }
 sal-vault = { path = "vault" }
 sal-rhai = { path = "rhai" }
-
-# Optional features for specific OS functionality
-[target.'cfg(unix)'.dependencies]
-nix = "0.30.1" # Unix-specific functionality
-
-[target.'cfg(windows)'.dependencies]
-windows = { version = "0.61.1", features = [
-    "Win32_Foundation",
-    "Win32_System_Threading",
-    "Win32_Storage_FileSystem",
-] }
-
-[dev-dependencies]
-mockall = "0.13.1" # For mocking in tests
-tempfile = "3.5" # For tests that need temporary files/directories
-tokio = { version = "1.28", features = [
-    "full",
-    "test-util",
-] } # For async testing