feat(capture): add Npcap capture method and fix CJK font display

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "arctracker-sync"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 publish = false
 description = "Windows desktop helper that syncs your ARC Raiders inventory to ARCTracker."
@@ -28,7 +28,7 @@ getrandom = "0.2"
 hex = "0.4"
 pcapsql-core = { path = "vendor/pcapsql-core", default-features = false }
 rfd = "0.15"
-rust-i18n = "3"
+rust-i18n = "4"
 self-replace = "1.5"
 semver = "1"
 serde = { version = "1", features = ["derive"] }

README.md

@@ -60,9 +60,21 @@ ARCTracker sign-in is kept in Windows Credential Manager.
 
 To notice your game account connecting, ARCTracker Sync watches your own
 computer's network traffic using Windows raw sockets, which Windows only allows
-with Administrator rights. There's no kernel driver, bundled network library, or
-extra capture tool to install — and it only ever looks at traffic on your own
-machine.
+with Administrator rights. By default there's no kernel driver, bundled network
+library, or extra capture tool to install — and it only ever looks at traffic on
+your own machine.
+
+### Optional: Npcap capture
+
+Some antivirus products (Avast Web Shield, for example) interfere with
+raw-socket capture. If sync won't connect on your machine, Settings → Network
+lets you switch the capture method to **Npcap**, a separately installed
+packet-capture driver from <https://npcap.com>. ARCTracker Sync never bundles,
+downloads, or installs Npcap — its license forbids redistribution — so if you
+select Npcap without installing it, the app tells you and links to npcap.com.
+With Npcap selected, the app loads Npcap's `wpcap.dll` at runtime and captures
+through Npcap's kernel driver instead of raw sockets. It still only looks at
+traffic on your own machine, and Administrator is still required.
 
 ---
 
@@ -85,7 +97,8 @@ cargo run
 
 The app ships a manifest that requests elevation, so it runs as Administrator
 (required for the raw-socket capture described above). No kernel driver or
-external tooling is needed.
+external tooling is needed for the default raw-socket capture; the optional
+Npcap capture method uses Npcap's driver, installed separately by the user.
 
 ## Contributing
 

THIRD-PARTY-NOTICES.md

@@ -14,6 +14,15 @@ listed below, each of which remains under its own license.
     TLS decryption and protocol-registration code). See
     [`vendor/pcapsql-core/LOCAL-MODIFICATIONS.md`](vendor/pcapsql-core/LOCAL-MODIFICATIONS.md).
 
+## Optional runtime dependency (not distributed)
+
+- **Npcap** — <https://npcap.com>
+  - An optional packet-capture driver the user can select in Settings as an
+    alternative to the built-in raw-socket capture. ARCTracker Sync never
+    bundles, downloads, or installs Npcap (its free license does not permit
+    redistribution); when selected, the app loads the user's own installed
+    `wpcap.dll` at runtime. Npcap remains under its own license.
+
 ## Statically linked dependencies
 
 The compiled `arctracker-sync.exe` statically links a number of open-source Rust