diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index 4d267bf..7fa1388 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -1510,7 +1510,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0bb0228f477c0900c880fd78c8759b95c7636dbd7842707f49e132378aa2acdc"
 dependencies = [
  "heck 0.4.1",
- "proc-macro-crate 2.0.2",
+ "proc-macro-crate 2.0.0",
  "proc-macro-error",
  "proc-macro2",
  "quote",
@@ -2174,12 +2174,6 @@ dependencies = [
  "selectors 0.24.0",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-
 [[package]]
 name = "leb128fmt"
 version = "0.1.0"
@@ -2247,12 +2241,6 @@ dependencies = [
  "redox_syscall 0.7.4",
 ]
 
-[[package]]
-name = "libyml"
-version = "0.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64804cc6a5042d4f05379909ba25b503ec04e2c082151d62122d5dcaa274b961"
-
 [[package]]
 name = "linux-raw-sys"
 version = "0.12.1"
@@ -3128,11 +3116,10 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-crate"
-version = "2.0.2"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b00f26d3400549137f92511a46ac1cd8ce37cb5598a96d382381458b992a5d24"
+checksum = "7e8366a6159044a37876a2b9817124296703c586a5c92e2c53751fa06d8d43e8"
 dependencies = [
- "toml_datetime 0.6.3",
  "toml_edit 0.20.2",
 ]
 
@@ -3458,12 +3445,11 @@ dependencies = [
 
 [[package]]
 name = "rust-i18n"
-version = "3.1.2"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "039f57d22229db401af3458ca939300178e99e88b938573cea12b7c2b0f09724"
+checksum = "21031bf5e6f2c0ae745d831791c403608e99a8bd3776c7e5e5535acd70c3b7ba"
 dependencies = [
  "globwalk",
- "once_cell",
  "regex",
  "rust-i18n-macro",
  "rust-i18n-support",
@@ -3472,41 +3458,36 @@ dependencies = [
 
 [[package]]
 name = "rust-i18n-macro"
-version = "3.1.2"
+version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dde5c022360a2e54477882843d56b6f9bcb4bc62f504b651a2f497f0028d174f"
+checksum = "30de488acadcf767d97cd48518a8da8ea9777b1c9a5beca4eab78bbf77d07309"
 dependencies = [
  "glob",
- "once_cell",
  "proc-macro2",
  "quote",
  "rust-i18n-support",
  "serde",
  "serde_json",
- "serde_yml",
+ "serde_yaml",
  "syn 2.0.117",
 ]
 
 [[package]]
 name = "rust-i18n-support"
-version = "3.1.2"
+version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75d2844d36f62b5d6b66f9cf8f8cbdbbbdcdb5fd37a473a9cc2fb45fdcf485d2"
+checksum = "aea0fef8a93c06326b66392c95a115120e609674cb2132d37d276a6b05b545b4"
 dependencies = [
  "arc-swap",
  "base62",
  "globwalk",
  "itertools",
- "lazy_static",
  "normpath",
- "once_cell",
- "proc-macro2",
- "regex",
  "serde",
  "serde_json",
- "serde_yml",
+ "serde_yaml",
  "siphasher 1.0.2",
- "toml 0.7.8",
+ "toml 0.8.23",
  "triomphe",
 ]
 
@@ -3901,20 +3882,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde_yml"
-version = "0.0.11"
+name = "serde_yaml"
+version = "0.9.34+deprecated"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48e76bab63c3fd98d27c17f9cbce177f64a91f5e69ac04cafe04e1bb25d1dc3c"
+checksum = "6a8b1a1a2ebf674015cc02edccce75287f1a0130d394307b36743c2f5d504b47"
 dependencies = [
  "indexmap 2.14.0",
  "itoa",
- "libyml",
- "log",
- "memchr",
  "ryu",
  "serde",
- "serde_json",
- "tempfile",
+ "unsafe-libyaml",
 ]
 
 [[package]]
@@ -4202,7 +4179,7 @@ dependencies = [
  "cfg-expr",
  "heck 0.5.0",
  "pkg-config",
- "toml 0.8.2",
+ "toml 0.8.23",
  "version-compare",
 ]
 
@@ -4768,26 +4745,14 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.7.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd79e69d3b627db300ff956027cc6c3798cef26d22526befdfcd12feeb6d2257"
-dependencies = [
- "serde",
- "serde_spanned 0.6.9",
- "toml_datetime 0.6.3",
- "toml_edit 0.19.15",
-]
-
-[[package]]
-name = "toml"
-version = "0.8.2"
+version = "0.8.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "185d8ab0dfbb35cf1399a6344d8484209c088f75f8f68230da55d48d95d43e3d"
+checksum = "dc1beb996b9d83529a9e75c17a1686767d148d70663143c7854d8b4a09ced362"
 dependencies = [
  "serde",
  "serde_spanned 0.6.9",
- "toml_datetime 0.6.3",
- "toml_edit 0.20.2",
+ "toml_datetime 0.6.11",
+ "toml_edit 0.22.27",
 ]
 
 [[package]]
@@ -4807,9 +4772,9 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.3"
+version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
+checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
 dependencies = [
  "serde",
 ]
@@ -4839,9 +4804,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
  "indexmap 2.14.0",
- "serde",
- "serde_spanned 0.6.9",
- "toml_datetime 0.6.3",
+ "toml_datetime 0.6.11",
  "winnow 0.5.40",
 ]
 
@@ -4850,12 +4813,24 @@ name = "toml_edit"
 version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
+dependencies = [
+ "indexmap 2.14.0",
+ "toml_datetime 0.6.11",
+ "winnow 0.5.40",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.22.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
 dependencies = [
  "indexmap 2.14.0",
  "serde",
  "serde_spanned 0.6.9",
- "toml_datetime 0.6.3",
- "winnow 0.5.40",
+ "toml_datetime 0.6.11",
+ "toml_write",
+ "winnow 0.7.15",
 ]
 
 [[package]]
@@ -4879,6 +4854,12 @@ dependencies = [
  "winnow 1.0.2",
 ]
 
+[[package]]
+name = "toml_write"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
+
 [[package]]
 name = "toml_writer"
 version = "1.1.1+spec-1.1.0"
@@ -5109,6 +5090,12 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 3a5f9a6..be3fe13 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -28,7 +28,7 @@ tar = "0.4"
 # complements it for runtime-composed strings that need ICU-style plurals
 # / select / select-ordinal — e.g. updater progress "{n, plural, one {# minute
 # remaining} other {# minutes remaining}}" where ``n`` only exists at runtime.
-rust-i18n = "3"
+rust-i18n = "4"
 fluent-bundle = "0.16"
 unic-langid = "0.9"
 # FU-037 (2026-05-10): ``devtools`` flips on the WebKit inspector in