Implement asset inventory

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "hello-agent"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 rust-version = "1.75"
 description = "Headless RustDesk-protocol-compatible support agent for Windows"
@@ -28,10 +28,16 @@ tokio       = { version = "1", features = ["rt-multi-thread", "macros", "sync",
 log         = "0.4"
 env_logger  = "0.10"
 anyhow      = "1"
+# Used by `inventory.rs` to validate the PowerShell-produced JSON before
+# we stamp it into the sysinfo upload. hbb_common already pulls serde_json
+# transitively, so this is a free re-export — listed explicitly here so
+# the inventory module's `use serde_json` doesn't depend on internal
+# implementation details of hbb_common.
+serde_json  = "1"
 
 [target.'cfg(target_os = "windows")'.dependencies]
 windows-service = "0.6"
-winapi          = { version = "0.3", features = ["winuser", "wtsapi32", "processthreadsapi", "synchapi", "handleapi", "winbase"] }
+winapi          = { version = "0.3", features = ["winuser", "wtsapi32", "processthreadsapi", "synchapi", "handleapi", "winbase", "wlanapi", "wlantypes"] }
 winreg          = "0.11"
 
 # Embed the icon and EXE metadata via the Windows resource compiler.