diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index dfb7251..7a23a08 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -8,6 +8,17 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
 
+[[package]]
+name = "aes"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures 0.2.17",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.4"
@@ -213,6 +224,40 @@ version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
 
+[[package]]
+name = "aws-lc-rs"
+version = "1.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4342d8937fc7e5dd9b1c60292261c0670c882a2cd1719cfc11b1af41731e32ad"
+dependencies = [
+ "aws-lc-sys",
+ "zeroize",
+]
+
+[[package]]
+name = "aws-lc-sys"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d9ceb1da931507a12f4fccea479dccd00da1943e1b4ae72d8e502d707361444"
+dependencies = [
+ "cc",
+ "cmake",
+ "dunce",
+ "fs_extra",
+ "pkg-config",
+]
+
+[[package]]
+name = "backon"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cffb0e931875b666fc4fcb20fee52e9bbd1ef836fd9e9e04ec21555f9f85f7ef"
+dependencies = [
+ "fastrand",
+ "gloo-timers",
+ "tokio",
+]
+
 [[package]]
 name = "base64"
 version = "0.21.7"
@@ -225,6 +270,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64ct"
+version = "1.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
+
 [[package]]
 name = "bit-set"
 version = "0.8.0"
@@ -264,6 +315,24 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "block-buffer"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2f6c7dbe95a6ed67ad9f18e57daf93a2f034c524b99fd2b76d18fdfeb6660aa"
+dependencies = [
+ "hybrid-array",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8894febbff9f758034a5b8e12d87918f56dfc64a8e1fe757d65e29041538d93"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "block2"
 version = "0.6.2"
@@ -401,6 +470,15 @@ dependencies = [
  "toml 0.9.12+spec-1.1.0",
 ]
 
+[[package]]
+name = "cbc"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26b52a9543ae338f279b96b0b9fed9c8093744685043739079ce85cd58f289a6"
+dependencies = [
+ "cipher",
+]
+
 [[package]]
 name = "cc"
 version = "1.2.65"
@@ -408,6 +486,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e228eec9be7c17ccb640b59b36a5cd805ea2a564a4c5e162c2f659fea30d3b96"
 dependencies = [
  "find-msvc-tools",
+ "jobserver",
+ "libc",
  "shlex",
 ]
 
@@ -444,6 +524,23 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
+
+[[package]]
+name = "chacha20"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d524456ba66e72eb8b115ff89e01e497f8e6d11d78b70b1aa13c0fbd97540a81"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.0",
+ "rand_core 0.10.1",
+]
+
 [[package]]
 name = "chrono"
 version = "0.4.45"
@@ -456,6 +553,31 @@ dependencies = [
  "windows-link 0.2.1",
 ]
 
+[[package]]
+name = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common 0.1.7",
+ "inout",
+]
+
+[[package]]
+name = "cmake"
+version = "0.1.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0f78a02292a74a88ac736019ab962ece0bc380e3f977bf72e376c5d78ff0678"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "cmov"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c9ea0ac24bc397ab3c98583a3c9ba74fa56b09a4449bbe172b9b1ddb016027a"
+
 [[package]]
 name = "combine"
 version = "4.6.7"
@@ -475,6 +597,38 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
+
+[[package]]
+name = "const-oid"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6ef517f0926dd24a1582492c791b6a4818a4d94e789a334894aa15b0d12f55c"
+
+[[package]]
+name = "const-random"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87e00182fe74b066627d63b85fd550ac2998d4b0bd86bfed477a0ae4c7c71359"
+dependencies = [
+ "const-random-macro",
+]
+
+[[package]]
+name = "const-random-macro"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9d839f2a20b0aee515dc581a6172f2321f96cab76c1a38a4c584a194955390e"
+dependencies = [
+ "getrandom 0.2.17",
+ "once_cell",
+ "tiny-keccak",
+]
+
 [[package]]
 name = "cookie"
 version = "0.18.1"
@@ -534,6 +688,24 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b2a41393f66f16b0823bb79094d54ac5fbd34ab292ddafb9a0456ac9f87d201"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crc32c"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a47af21622d091a8f0fb295b88bc886ac74efcc613efc19f5d0b21de5c89e47"
+dependencies = [
+ "rustc_version",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -558,6 +730,12 @@ version = "0.8.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 
+[[package]]
+name = "crunchy"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
+
 [[package]]
 name = "crypto-common"
 version = "0.1.7"
@@ -568,6 +746,15 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce6e4c961d6cd6c9a86db418387425e8bdeaf05b3c8bc1411e6dca4c252f1453"
+dependencies = [
+ "hybrid-array",
+]
+
 [[package]]
 name = "cssparser"
 version = "0.36.0"
@@ -601,12 +788,31 @@ dependencies = [
  "dtor",
 ]
 
+[[package]]
+name = "ctor"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb22e947478ccf9dc44d8922042c677a63fbb88f2cb468521d1145816e5087cb"
+dependencies = [
+ "link-section",
+ "linktime-proc-macro",
+]
+
 [[package]]
 name = "ctor-proc-macro"
 version = "0.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "52560adf09603e58c9a7ee1fe1dcb95a16927b17c127f0ac02d6e768a0e25bc1"
 
+[[package]]
+name = "ctutils"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d5515a3834141de9eafb9717ad39eea8247b5674e6066c404e8c4b365d2a29e"
+dependencies = [
+ "cmov",
+]
+
 [[package]]
 name = "darling"
 version = "0.21.3"
@@ -653,6 +859,48 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "defmt"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2953bfe4f93bbd20cc71198842756f77d161884c99ebbabc41d80231ded88d1"
+dependencies = [
+ "bitflags 1.3.2",
+ "defmt-macros",
+]
+
+[[package]]
+name = "defmt-macros"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bad9c72e7ca2137e0dc3813245a0d282fd6daad32fd800af018306a9169b5fe8"
+dependencies = [
+ "defmt-parser",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
+[[package]]
+name = "defmt-parser"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10d60334b3b2e7c9d91ef8150abfb6fa4c1c39ebbcf4a81c2e346aad939fee3e"
+dependencies = [
+ "thiserror 2.0.18",
+]
+
+[[package]]
+name = "der"
+version = "0.7.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7c1832837b905bbfb5101e07cc24c8deddf52f93225eee6ead5f4d63d53ddcb"
+dependencies = [
+ "const-oid 0.9.6",
+ "pem-rfc7468",
+ "zeroize",
+]
+
 [[package]]
 name = "deranged"
 version = "0.5.8"
@@ -690,8 +938,22 @@ version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
- "block-buffer",
- "crypto-common",
+ "block-buffer 0.10.4",
+ "const-oid 0.9.6",
+ "crypto-common 0.1.7",
+ "subtle",
+]
+
+[[package]]
+name = "digest"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1dd6dbb5841937940781866fa1281a1ff7bd3bf827091440879f9994983d5c2"
+dependencies = [
+ "block-buffer 0.12.1",
+ "const-oid 0.10.2",
+ "crypto-common 0.2.2",
+ "ctutils",
 ]
 
 [[package]]
@@ -761,6 +1023,15 @@ dependencies = [
  "syn 2.0.118",
 ]
 
+[[package]]
+name = "dlv-list"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "442039f5147480ba31067cb00ada1adae6892028e40e45fc5de7b7df6dcc1b5f"
+dependencies = [
+ "const-random",
+]
+
 [[package]]
 name = "dom_query"
 version = "0.27.0"
@@ -1011,6 +1282,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fs_extra"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
+
 [[package]]
 name = "fsevent-sys"
 version = "4.1.0"
@@ -1020,6 +1297,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "futures"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b147ee9d1f6d097cef9ce628cd2ee62288d963e16fb287bd9286455b241382d"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.32"
@@ -1027,6 +1319,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07bbe89c50d7a535e539b8c17bc0b49bdb77747034daa8087407d655f3f7cc1d"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
@@ -1094,6 +1387,7 @@ version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "389ca41296e6190b48053de0321d02a77f32f8a5d2461dd38762c0593805c6d6"
 dependencies = [
+ "futures-channel",
  "futures-core",
  "futures-io",
  "futures-macro",
@@ -1220,8 +1514,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff2abc00be7fca6ebc474524697ae276ad847ad0a6b3faa4bcb027e9a4614ad0"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "wasi",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -1243,8 +1539,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "300e883d756b2e4ec94e02791f39b04b522276138852cfc41d9fb7e904106099"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "r-efi 6.0.0",
+ "rand_core 0.10.1",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -1332,6 +1631,18 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0cc23270f6e1808e30a928bdc84dea0b9b4136a8bc82338574f23baf47bbd280"
 
+[[package]]
+name = "gloo-timers"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb143cf96099802033e0d4f4963b19fd2e0b728bcf076cd9cf7f6634f092994"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "gobject-sys"
 version = "0.18.0"
@@ -1401,6 +1712,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+
 [[package]]
 name = "hashbrown"
 version = "0.17.1"
@@ -1431,6 +1748,24 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest 0.10.7",
+]
+
+[[package]]
+name = "hmac"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6303bc9732ae41b04cb554b844a762b4115a61bfaa81e3e83050991eeb56863f"
+dependencies = [
+ "digest 0.11.3",
+]
+
 [[package]]
 name = "html5ever"
 version = "0.38.0"
@@ -1486,6 +1821,15 @@ version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6dbf3de79e51f3d586ab4cb9d5c3e2c14aa28ed23d180cf89b4df0454a69cc87"
 
+[[package]]
+name = "hybrid-array"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "818356c5132c1fede50f837ca96afbe78ff42413047f4abb886217845e1b6c8c"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "hyper"
 version = "1.10.1"
@@ -1506,6 +1850,21 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "hyper-rustls"
+version = "0.27.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ca68d021ef39cf6463ab54c1d0f5daf03377b70561305bb89a8f83aab66e0f"
+dependencies = [
+ "http",
+ "hyper",
+ "hyper-util",
+ "rustls",
+ "tokio",
+ "tokio-rustls",
+ "tower-service",
+]
+
 [[package]]
 name = "hyper-util"
 version = "0.1.20"
@@ -1724,6 +2083,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "inout"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "879f10e63c20629ecabbb64a8010319738c66a5cd0c29b02d63d272b03751d01"
+dependencies = [
+ "block-padding",
+ "generic-array",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.12.0"
@@ -1778,6 +2147,50 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "jiff"
+version = "0.2.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "961d16382652bfdd8c6f68b223b26a8c93e0d475c672f414411db31c6c5c900e"
+dependencies = [
+ "defmt",
+ "jiff-static",
+ "jiff-tzdb-platform",
+ "js-sys",
+ "log",
+ "portable-atomic",
+ "portable-atomic-util",
+ "serde_core",
+ "wasm-bindgen",
+ "windows-link 0.2.1",
+]
+
+[[package]]
+name = "jiff-static"
+version = "0.2.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0879bd39df99c4c5e2c6615ccc026391a423dde10532c573e6086eb94a802cc"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
+[[package]]
+name = "jiff-tzdb"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "142bd39932ad231f10513df9ab62661fead8719872150b7ad02a2df79f4e141e"
+
+[[package]]
+name = "jiff-tzdb-platform"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "875a5a69ac2bab1a891711cf5eccbec1ce0341ea805560dcd90b7a2e925132e8"
+dependencies = [
+ "jiff-tzdb",
+]
+
 [[package]]
 name = "jni"
 version = "0.21.1"
@@ -1794,6 +2207,36 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "jni"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5efd9a482cf3a427f00d6b35f14332adc7902ce91efb778580e180ff90fa3498"
+dependencies = [
+ "cfg-if",
+ "combine",
+ "jni-macros",
+ "jni-sys 0.4.1",
+ "log",
+ "simd_cesu8",
+ "thiserror 2.0.18",
+ "walkdir",
+ "windows-link 0.2.1",
+]
+
+[[package]]
+name = "jni-macros"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a00109accc170f0bdb141fed3e393c565b6f5e072365c3bd58f5b062591560a3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "rustc_version",
+ "simd_cesu8",
+ "syn 2.0.118",
+]
+
 [[package]]
 name = "jni-sys"
 version = "0.3.1"
@@ -1822,6 +2265,16 @@ dependencies = [
  "syn 2.0.118",
 ]
 
+[[package]]
+name = "jobserver"
+version = "0.1.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c00acbd29eabad4a2392fa0e921c874934dbbf4194312ad20f04a0ed67a3cb3"
+dependencies = [
+ "getrandom 0.4.3",
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.103"
@@ -1886,6 +2339,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+dependencies = [
+ "spin",
+]
+
 [[package]]
 name = "libappindicator"
 version = "0.9.0"
@@ -1935,6 +2397,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "libm"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
+
 [[package]]
 name = "libredox"
 version = "0.1.17"
@@ -1944,6 +2412,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "link-section"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e333fe507b738576d6da5bb3f1a7d7a1c80307ed9ef31624c057d844c19c93e9"
+
+[[package]]
+name = "linktime-proc-macro"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c7b0a3383c2a1002d11349c92c85a666a5fb679e96c79d782cf0dbe557fd6ee"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.12.1"
@@ -1971,6 +2451,12 @@ version = "0.4.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ceec5bc11778974d1bcb055b18002eba7f4b3518b6a0081b3af5f21666da9ad"
 
+[[package]]
+name = "lru-slab"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "112b39cec0b298b6c1999fee3e31427f74f676e4cb9879ed1a121b43661a4154"
+
 [[package]]
 name = "markup5ever"
 version = "0.38.0"
@@ -1982,6 +2468,25 @@ dependencies = [
  "web_atoms",
 ]
 
+[[package]]
+name = "md-5"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69b6441f590336821bb897fb28fc622898ccceb1d6cea3fde5ea86b090c4de98"
+dependencies = [
+ "cfg-if",
+ "digest 0.11.3",
+]
+
+[[package]]
+name = "mea"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2640d335e7273dacdcf51044026139b2e269c3bb0dfc3f8cb3496b85e3f6a42c"
+dependencies = [
+ "slab",
+]
+
 [[package]]
 name = "memchr"
 version = "2.8.2"
@@ -2103,12 +2608,47 @@ dependencies = [
  "bitflags 2.13.0",
 ]
 
+[[package]]
+name = "num-bigint-dig"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e661dda6640fad38e827a6d4a310ff4763082116fe217f279885c97f511bb0b7"
+dependencies = [
+ "lazy_static",
+ "libm",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "rand 0.8.6",
+ "smallvec",
+ "zeroize",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "521739c6d2bac4aa25192232afe6841231376b2b26d4d9fae5ecf8ca5772e441"
 
+[[package]]
+name = "num-integer"
+version = "0.1.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "num-iter"
+version = "0.1.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c92800bd69a1eac91786bcfe9da64a897eb72911b8dc3095decbd07429e8048b"
+dependencies = [
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -2116,6 +2656,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
 dependencies = [
  "autocfg",
+ "libm",
 ]
 
 [[package]]
@@ -2353,12 +2894,152 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "opendal"
+version = "0.57.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96c9c85ce253ff87225e7669979d877a20c98a06604ec9d6dd5f4473e08f1ae1"
+dependencies = [
+ "ctor 1.0.8",
+ "opendal-core",
+ "opendal-layer-concurrent-limit",
+ "opendal-layer-logging",
+ "opendal-layer-retry",
+ "opendal-layer-timeout",
+ "opendal-service-s3",
+ "opendal-service-webdav",
+]
+
+[[package]]
+name = "opendal-core"
+version = "0.57.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4f8607c90e2c963a91467f50fb49fbc7fb3d573f88cea219ca59ccd3740b309"
+dependencies = [
+ "anyhow",
+ "base64 0.22.1",
+ "bytes",
+ "futures",
+ "http",
+ "http-body",
+ "jiff",
+ "log",
+ "md-5",
+ "mea",
+ "percent-encoding",
+ "quick-xml 0.39.4",
+ "reqsign-core",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "tokio",
+ "url",
+ "uuid",
+ "web-time",
+]
+
+[[package]]
+name = "opendal-layer-concurrent-limit"
+version = "0.57.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d6f81ba6960e3fae1882f253b114b21d7e444e1534f209c7737a79f6243eb6f"
+dependencies = [
+ "futures",
+ "http",
+ "mea",
+ "opendal-core",
+]
+
+[[package]]
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+version = "0.57.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58ada45c6d81d1aa4c9305d0c7d4bc317c59c85866a0908a2d75a7a978aa5ee2"
+dependencies = [
+ "log",
+ "opendal-core",
+]
+
+[[package]]
+name = "opendal-layer-retry"
+version = "0.57.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b2a25a718afb81fad81cb9a0580a1cb989221fa2317f888c6a37f8dad408eb7"
+dependencies = [
+ "backon",
+ "log",
+ "opendal-core",
+]
+
+[[package]]
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+version = "0.57.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e91f731724c213af81e9d03517859c8fc47b4578e64ad61ae4f099f10fe36e3"
+dependencies = [
+ "opendal-core",
+ "tokio",
+]
+
+[[package]]
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+dependencies = [
+ "base64 0.22.1",
+ "bytes",
+ "crc32c",
+ "http",
+ "log",
+ "md-5",
+ "opendal-core",
+ "quick-xml 0.39.4",
+ "reqsign-aws-v4",
+ "reqsign-core",
+ "reqsign-file-read-tokio",
+ "serde",
+ "url",
+]
+
+[[package]]
+name = "opendal-service-webdav"
+version = "0.57.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9edadbbf8311e4d382400a5c6021bbfcc850f472a60995897bdc5cbf2d1cabd"
+dependencies = [
+ "anyhow",
+ "bytes",
+ "http",
+ "log",
+ "mea",
+ "opendal-core",
+ "quick-xml 0.39.4",
+ "serde",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"
+
 [[package]]
 name = "option-ext"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
 
+[[package]]
+name = "ordered-multimap"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49203cdcae0030493bad186b28da2fa25645fa276a51b6fec8010d281e02ef79"
+dependencies = [
+ "dlv-list",
+ "hashbrown 0.14.5",
+]
+
 [[package]]
 name = "ordered-stream"
 version = "0.2.0"
@@ -2423,6 +3104,25 @@ dependencies = [
  "windows-link 0.2.1",
 ]
 
+[[package]]
+name = "pbkdf2"
+version = "0.12.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8ed6a7761f76e3b9f92dfb0a60a6a6477c61024b775147ff0973a02653abaf2"
+dependencies = [
+ "digest 0.10.7",
+ "hmac 0.12.1",
+]
+
+[[package]]
+name = "pem-rfc7468"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.2"
@@ -2499,6 +3199,44 @@ dependencies = [
  "futures-io",
 ]
 
+[[package]]
+name = "pkcs1"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
+dependencies = [
+ "der",
+ "pkcs8",
+ "spki",
+]
+
+[[package]]
+name = "pkcs5"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e847e2c91a18bfa887dd028ec33f2fe6f25db77db3619024764914affe8b69a6"
+dependencies = [
+ "aes",
+ "cbc",
+ "der",
+ "pbkdf2",
+ "scrypt",
+ "sha2 0.10.9",
+ "spki",
+]
+
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "pkcs5",
+ "rand_core 0.6.4",
+ "spki",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.33"
@@ -2513,7 +3251,7 @@ checksum = "740ebea15c5d1428f910cd1a5f52cebf8d25006245ed8ade92702f4943d91e07"
 dependencies = [
  "base64 0.22.1",
  "indexmap 2.14.0",
- "quick-xml",
+ "quick-xml 0.38.4",
  "serde",
  "time",
 ]
@@ -2558,6 +3296,21 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "portable-atomic"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c33a9471896f1c69cecef8d20cbe2f7accd12527ce60845ff44c153bb2a21b49"
+
+[[package]]
+name = "portable-atomic-util"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2a106d1259c23fac8e543272398ae0e3c0b8d33c88ed73d0cc71b0f1d902618"
+dependencies = [
+ "portable-atomic",
+]
+
 [[package]]
 name = "potential_utf"
 version = "0.1.5"
@@ -2573,6 +3326,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9"
+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
 name = "precomputed-hash"
 version = "0.1.1"
@@ -2650,6 +3412,83 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "quick-xml"
+version = "0.39.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdcc8dd4e2f670d309a5f0e83fe36dfdc05af317008fea29144da1a2ac858e5e"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
+[[package]]
+name = "quick-xml"
+version = "0.40.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2474bd2e5029e7ccb6abb2ba48cf2383a333851dedf495901544281590c7da7f"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
+[[package]]
+name = "quinn"
+version = "0.11.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c1a41e437b6bbd489372cd4971de128e85c855f56c57f283d20ff016cf7c0a8"
+dependencies = [
+ "bytes",
+ "cfg_aliases",
+ "pin-project-lite",
+ "quinn-proto",
+ "quinn-udp",
+ "rustc-hash",
+ "rustls",
+ "socket2",
+ "thiserror 2.0.18",
+ "tokio",
+ "tracing",
+ "web-time",
+]
+
+[[package]]
+name = "quinn-proto"
+version = "0.11.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f4bfc015262b9df63c8845072ce59068853ff5872180c2ce2f13038b970e560"
+dependencies = [
+ "aws-lc-rs",
+ "bytes",
+ "getrandom 0.4.3",
+ "lru-slab",
+ "rand 0.10.2",
+ "rand_pcg",
+ "ring",
+ "rustc-hash",
+ "rustls",
+ "rustls-pki-types",
+ "slab",
+ "thiserror 2.0.18",
+ "tinyvec",
+ "tracing",
+ "web-time",
+]
+
+[[package]]
+name = "quinn-udp"
+version = "0.5.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35a133f956daabe89a61a685c2649f13d82d5aa4bd5d12d1277e1072a21c0694"
+dependencies = [
+ "cfg_aliases",
+ "libc",
+ "once_cell",
+ "socket2",
+ "tracing",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.46"
@@ -2671,6 +3510,61 @@ version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
 
+[[package]]
+name = "rand"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca0ecfa931c29007047d1bc58e623ab12e5590e8c7cc53200d5202b69266d8a"
+dependencies = [
+ "rand_chacha",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7f5fa3a058cd35567ef9bfa5e75732bee0f9e4c55fa90477bef2dfcdbc4be80"
+dependencies = [
+ "chacha20",
+ "getrandom 0.4.3",
+ "rand_core 0.10.1",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom 0.2.17",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63b8176103e19a2643978565ca18b50549f6101881c443590420e4dc998a3c69"
+
+[[package]]
+name = "rand_pcg"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "caa0f4137e1c0a72f4c651489402276c8e8e1cf081f3b0ba156d2cbeef09e86a"
+dependencies = [
+ "rand_core 0.10.1",
+]
+
 [[package]]
 name = "raw-window-handle"
 version = "0.6.2"
@@ -2746,6 +3640,64 @@ version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b75624bd8a466e37ddc0a7b6c33ac859a85347c153a916e1dd9d0b68338f74a"
+dependencies = [
+ "anyhow",
+ "bytes",
+ "form_urlencoded",
+ "hex",
+ "http",
+ "log",
+ "percent-encoding",
+ "quick-xml 0.40.1",
+ "reqsign-core",
+ "rust-ini",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "sha1",
+]
+
+[[package]]
+name = "reqsign-core"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5fa5cb48808693614d1701fcd3db0b30fa292e0f18e122ae068b6d32eaeed3f"
+dependencies = [
+ "anyhow",
+ "base64 0.22.1",
+ "bytes",
+ "form_urlencoded",
+ "futures",
+ "hex",
+ "hmac 0.13.0",
+ "http",
+ "jiff",
+ "log",
+ "percent-encoding",
+ "rsa",
+ "serde",
+ "serde_json",
+ "sha1",
+ "sha2 0.11.0",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
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+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a4b6f3a3fd29ffcc99a90aec585a65217783badfd73acddf847b63ae683bda9"
+dependencies = [
+ "anyhow",
+ "reqsign-core",
+ "tokio",
+]
+
 [[package]]
 name = "reqwest"
 version = "0.13.4"
@@ -2760,15 +3712,21 @@ dependencies = [
  "http-body",
  "http-body-util",
  "hyper",
+ "hyper-rustls",
  "hyper-util",
  "js-sys",
  "log",
  "percent-encoding",
  "pin-project-lite",
+ "quinn",
+ "rustls",
+ "rustls-pki-types",
+ "rustls-platform-verifier",
  "serde",
  "serde_json",
  "sync_wrapper",
  "tokio",
+ "tokio-rustls",
  "tokio-util",
  "tower",
  "tower-http",
@@ -2804,6 +3762,51 @@ dependencies = [
  "windows-sys 0.60.2",
 ]
 
+[[package]]
+name = "ring"
+version = "0.17.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "getrandom 0.2.17",
+ "libc",
+ "untrusted",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "rsa"
+version = "0.9.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8573f03f5883dcaebdfcf4725caa1ecb9c15b2ef50c43a07b816e06799bb12d"
+dependencies = [
+ "const-oid 0.9.6",
+ "digest 0.10.7",
+ "num-bigint-dig",
+ "num-integer",
+ "num-traits",
+ "pkcs1",
+ "pkcs8",
+ "rand_core 0.6.4",
+ "sha2 0.10.9",
+ "signature",
+ "spki",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "rust-ini"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "796e8d2b6696392a43bea58116b667fb4c29727dc5abd27d6acf338bb4f688c7"
+dependencies = [
+ "cfg-if",
+ "ordered-multimap",
+]
+
 [[package]]
 name = "rustc-hash"
 version = "2.1.2"
@@ -2832,12 +3835,102 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.23.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b92b125634d9b795e7beca796cc790df15a7fb38323bf3196fda83292d06b1f"
+dependencies = [
+ "aws-lc-rs",
+ "once_cell",
+ "rustls-pki-types",
+ "rustls-webpki",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "rustls-native-certs"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dab5152771c58876a2146916e53e35057e1a4dfa2b9df0f0305b07f611fdea4d"
+dependencies = [
+ "openssl-probe",
+ "rustls-pki-types",
+ "schannel",
+ "security-framework",
+]
+
+[[package]]
+name = "rustls-pki-types"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "764899a24af3980067ee14bc143654f297b22eaebfe3c7b6b211920a5a59b046"
+dependencies = [
+ "web-time",
+ "zeroize",
+]
+
+[[package]]
+name = "rustls-platform-verifier"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d1e2536ce4f35f4846aa13bff16bd0ff40157cdb14cc056c7b14ba41233ba0"
+dependencies = [
+ "core-foundation",
+ "core-foundation-sys",
+ "jni 0.22.4",
+ "log",
+ "once_cell",
+ "rustls",
+ "rustls-native-certs",
+ "rustls-platform-verifier-android",
+ "rustls-webpki",
+ "security-framework",
+ "security-framework-sys",
+ "webpki-root-certs",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "rustls-platform-verifier-android"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f87165f0995f63a9fbeea62b64d10b4d9d8e78ec6d7d51fb2125fda7bb36788f"
+
+[[package]]
+name = "rustls-webpki"
+version = "0.103.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61c429a8649f110dddef65e2a5ad240f747e85f7758a6bccc7e5777bd33f756e"
+dependencies = [
+ "aws-lc-rs",
+ "ring",
+ "rustls-pki-types",
+ "untrusted",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
+[[package]]
+name = "ryu"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9774ba4a74de5f7b1c1451ed6cd5285a32eddb5cccb8cc655a4e50009e06477f"
+
+[[package]]
+name = "salsa20"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97a22f5af31f73a954c10289c93e8a50cc23d971e80ee446f1f6f7137a088213"
+dependencies = [
+ "cipher",
+]
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -2847,6 +3940,15 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "schannel"
+version = "0.1.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91c1b7e4904c873ef0710c1f407dde2e6287de2bebc1bbbf7d430bb7cbffd939"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "schemars"
 version = "0.8.22"
@@ -2904,6 +4006,40 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "scrypt"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0516a385866c09368f0b5bcd1caff3366aace790fcd46e2bb032697bb172fd1f"
+dependencies = [
+ "pbkdf2",
+ "salsa20",
+ "sha2 0.10.9",
+]
+
+[[package]]
+name = "security-framework"
+version = "3.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7f4bc775c73d9a02cde8bf7b2ec4c9d12743edf609006c7facc23998404cd1d"
+dependencies = [
+ "bitflags 2.13.0",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce2691df843ecc5d231c0b14ece2acc3efb62c0a398c7e1d875f3983ce020e3"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "selectors"
 version = "0.36.1"
@@ -3028,6 +4164,18 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_with"
 version = "3.17.0"
@@ -3090,6 +4238,17 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aacc4cc499359472b4abe1bf11d0b12e688af9a805fa5e3016f9a386dc2d0214"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.0",
+ "digest 0.11.3",
+]
+
 [[package]]
 name = "sha2"
 version = "0.10.9"
@@ -3097,8 +4256,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
 dependencies = [
  "cfg-if",
- "cpufeatures",
- "digest",
+ "cpufeatures 0.2.17",
+ "digest 0.10.7",
+]
+
+[[package]]
+name = "sha2"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "446ba717509524cb3f22f17ecc096f10f4822d76ab5c0b9822c5f9c284e825f4"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.0",
+ "digest 0.11.3",
 ]
 
 [[package]]
@@ -3117,12 +4287,38 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest 0.10.7",
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "703d5c7ef118737c72f1af64ad2f6f8c5e1921f818cdcb97b8fe6fc69bf66214"
 
+[[package]]
+name = "simd_cesu8"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94f90157bb87cddf702797c5dadfa0be7d266cdf49e22da2fcaa32eff75b2c33"
+dependencies = [
+ "rustc_version",
+ "simdutf8",
+]
+
+[[package]]
+name = "simdutf8"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
+
 [[package]]
 name = "siphasher"
 version = "1.0.3"
@@ -3199,6 +4395,22 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.1"
@@ -3235,6 +4447,12 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "subtle"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+
 [[package]]
 name = "swift-rs"
 version = "1.0.7"
@@ -3318,7 +4536,7 @@ dependencies = [
  "gdkwayland-sys",
  "gdkx11-sys",
  "gtk",
- "jni",
+ "jni 0.21.1",
  "libc",
  "log",
  "ndk",
@@ -3375,7 +4593,7 @@ dependencies = [
  "heck 0.5.0",
  "http",
  "http-range",
- "jni",
+ "jni 0.21.1",
  "libc",
  "log",
  "mime",
@@ -3447,7 +4665,7 @@ dependencies = [
  "semver",
  "serde",
  "serde_json",
- "sha2",
+ "sha2 0.10.9",
  "syn 2.0.118",
  "tauri-utils",
  "thiserror 2.0.18",
@@ -3561,7 +4779,7 @@ dependencies = [
  "dpi",
  "gtk",
  "http",
- "jni",
+ "jni 0.21.1",
  "objc2",
  "objc2-ui-kit",
  "objc2-web-kit",
@@ -3584,7 +4802,7 @@ checksum = "fe41e015bf8fc4d6477ff4926a0ef769dc64ff34c7b0038b6f7cacae892acb5c"
 dependencies = [
  "gtk",
  "http",
- "jni",
+ "jni 0.21.1",
  "log",
  "objc2",
  "objc2-app-kit",
@@ -3611,7 +4829,7 @@ dependencies = [
  "anyhow",
  "brotli",
  "cargo_metadata",
- "ctor",
+ "ctor 0.8.0",
  "dom_query",
  "dunce",
  "glob",
@@ -3745,6 +4963,15 @@ dependencies = [
  "time-core",
 ]
 
+[[package]]
+name = "tiny-keccak"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
+dependencies = [
+ "crunchy",
+]
+
 [[package]]
 name = "tinystr"
 version = "0.8.3"
@@ -3755,6 +4982,21 @@ dependencies = [
  "zerovec",
 ]
 
+[[package]]
+name = "tinyvec"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3e61e67053d25a4e82c844e8424039d9745781b3fc4f32b8d55ed50f5f667ef3"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
+
 [[package]]
 name = "tokio"
 version = "1.52.3"
@@ -3766,9 +5008,31 @@ dependencies = [
  "mio",
  "pin-project-lite",
  "socket2",
+ "tokio-macros",
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "tokio-macros"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "385a6cb71ab9ab790c5fe8d67f1645e6c450a7ce006a33de03daa956cf70a496"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
+[[package]]
+name = "tokio-rustls"
+version = "0.26.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1729aa945f29d91ba541258c8df89027d5792d85a8841fb65e8bf0f4ede4ef61"
+dependencies = [
+ "rustls",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.18"
@@ -4082,6 +5346,12 @@ version = "1.13.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6f5d3c3b1bf09027a88a6bc961fc00497d651009560b5463668dc81b0fa87a8"
 
+[[package]]
+name = "untrusted"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
+
 [[package]]
 name = "url"
 version = "2.5.8"
@@ -4275,6 +5545,16 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "web-time"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a6580f308b1fad9207618087a65c04e7a10bc77e02c8e84e9b00dd4b12fa0bb"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "web_atoms"
 version = "0.2.5"
@@ -4331,6 +5611,15 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "webpki-root-certs"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d46a5a140e6f7afeccd8eae97eff335163939eac8b929834875168b29b3d267"
+dependencies = [
+ "rustls-pki-types",
+]
+
 [[package]]
 name = "webview2-com"
 version = "0.38.2"
@@ -4561,6 +5850,15 @@ dependencies = [
  "windows-targets 0.42.2",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.59.0"
@@ -4856,7 +6154,7 @@ dependencies = [
  "gtk",
  "http",
  "javascriptcore-rs",
- "jni",
+ "jni 0.21.1",
  "libc",
  "ndk",
  "objc2",
@@ -4868,7 +6166,7 @@ dependencies = [
  "once_cell",
  "percent-encoding",
  "raw-window-handle",
- "sha2",
+ "sha2 0.10.9",
  "soup3",
  "tao-macros",
  "thiserror 2.0.18",
@@ -4932,6 +6230,7 @@ version = "0.1.0"
 dependencies = [
  "base64 0.22.1",
  "notify",
+ "opendal",
  "regex",
  "serde",
  "serde_json",
@@ -4940,6 +6239,7 @@ dependencies = [
  "tauri-plugin-dialog",
  "tauri-plugin-opener",
  "time",
+ "tokio",
 ]
 
 [[package]]
@@ -5003,6 +6303,26 @@ dependencies = [
  "zvariant",
 ]
 
+[[package]]
+name = "zerocopy"
+version = "0.8.54"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7cbbc0a705a0fd05cc3676525980d2bf5a9bc4adac6d6475209a7887cf59d19"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.54"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2e817b7b52d0c7358d3246da9d69935ebb18116b2b102b4230dac079b4862f5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
 [[package]]
 name = "zerofrom"
 version = "0.1.8"
@@ -5024,6 +6344,12 @@ dependencies = [
  "synstructure",
 ]
 
+[[package]]
+name = "zeroize"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13c156562582aa81c60cb29407084cdb54c4164760106ab78e6c5b0858cf64e"
+
 [[package]]
 name = "zerotrie"
 version = "0.2.4"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index bc483c3..a7d3d37 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -27,4 +27,5 @@ serde_json = "1"
 time = ">=0.3.0, <0.3.47"
 notify = "8.2.0"
 regex = "1"
-
+opendal = { version = "0.57.0", features = ["services-s3", "services-webdav"] }
+tokio = { version = "1", features = ["rt-multi-thread", "time"] }
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 88ec54e..d5967a3 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -1,14 +1,26 @@
 // Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
 use notify::{RecursiveMode, Watcher};
+use opendal::services::{S3, Webdav};
+use opendal::{EntryMode, ErrorKind, Operator};
+use std::collections::{BTreeMap, BTreeSet};
+use std::future::{Future, IntoFuture};
 use std::fs;
-use std::path::PathBuf;
+use std::hash::{Hash, Hasher};
+use std::path::{Path, PathBuf};
 use std::sync::Mutex;
+use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
 use tauri::menu::{MenuBuilder, MenuItemBuilder, SubmenuBuilder};
 use tauri::{Emitter, Manager};
 use tauri_plugin_dialog::DialogExt;
 use base64::Engine;
 use regex::Regex;
 
+const SYNC_CHECK_TIMEOUT: Duration = Duration::from_secs(15);
+const SYNC_TEST_STEP_TIMEOUT: Duration = Duration::from_secs(15);
+const SYNC_REMOTE_LIST_TIMEOUT: Duration = Duration::from_secs(120);
+const SYNC_REMOTE_FILE_TIMEOUT: Duration = Duration::from_secs(180);
+const SYNC_TEST_PAYLOAD: &[u8] = b"yurou sync connection probe\n";
+
 #[derive(Debug, Clone, serde::Serialize)]
 struct DirEntry {
     name: String,
@@ -455,6 +467,845 @@ fn walk_dir(
     Ok(())
 }
 
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct SyncConfig {
+    provider: SyncProvider,
+    webdav: WebdavSyncConfig,
+    s3: S3SyncConfig,
+    auto_sync_on_startup: bool,
+    auto_sync_after_save: bool,
+    last_sync_at: Option<String>,
+}
+
+impl Default for SyncConfig {
+    fn default() -> Self {
+        Self {
+            provider: SyncProvider::None,
+            webdav: WebdavSyncConfig::default(),
+            s3: S3SyncConfig::default(),
+            auto_sync_on_startup: false,
+            auto_sync_after_save: false,
+            last_sync_at: None,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "lowercase")]
+enum SyncProvider {
+    None,
+    Webdav,
+    S3,
+}
+
+#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct WebdavSyncConfig {
+    endpoint: String,
+    username: String,
+    password: String,
+    remote_dir: String,
+}
+
+#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct S3SyncConfig {
+    endpoint: String,
+    region: String,
+    bucket: String,
+    access_key_id: String,
+    secret_access_key: String,
+    remote_prefix: String,
+    path_style: bool,
+    use_https: bool,
+}
+
+#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct SyncHistory {
+    provider_key: String,
+    files: BTreeMap<String, SyncHistoryEntry>,
+}
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct SyncHistoryEntry {
+    local_modified_ms: Option<i128>,
+    remote_modified_ms: Option<i128>,
+    size: u64,
+}
+
+#[derive(Debug, Clone)]
+struct SyncFileInfo {
+    modified_ms: Option<i128>,
+    size: u64,
+}
+
+#[derive(Debug, Clone, Copy, Default, serde::Serialize)]
+#[serde(rename_all = "camelCase")]
+struct SyncStats {
+    uploaded: usize,
+    downloaded: usize,
+    deleted_local: usize,
+    deleted_remote: usize,
+    skipped: usize,
+}
+
+#[derive(Debug, Clone, serde::Serialize)]
+#[serde(rename_all = "camelCase")]
+struct SyncResult {
+    message: String,
+    last_sync_at: String,
+    stats: SyncStats,
+}
+
+#[derive(Debug, Clone, serde::Serialize)]
+#[serde(rename_all = "camelCase")]
+struct SyncConnectionTestResult {
+    message: String,
+    details: Vec<String>,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+enum SyncAction {
+    Upload,
+    Download,
+    DeleteLocal,
+    DeleteRemote,
+    Skip,
+}
+
+fn tauri_app_config_dir(app: &tauri::AppHandle) -> Result<PathBuf, String> {
+    app.path()
+        .app_config_dir()
+        .map_err(|e| format!("无法获取配置目录: {}", e))
+}
+
+fn sync_config_path(app: &tauri::AppHandle) -> Result<PathBuf, String> {
+    Ok(tauri_app_config_dir(app)?.join("sync-config.json"))
+}
+
+fn sync_history_path(app: &tauri::AppHandle, provider_key: &str) -> Result<PathBuf, String> {
+    Ok(tauri_app_config_dir(app)?.join(format!("sync-history-{}.json", stable_hash(provider_key))))
+}
+
+fn stable_hash(value: &str) -> u64 {
+    let mut hasher = std::collections::hash_map::DefaultHasher::new();
+    value.hash(&mut hasher);
+    hasher.finish()
+}
+
+fn load_sync_config_from_disk(app: &tauri::AppHandle) -> Result<SyncConfig, String> {
+    let path = sync_config_path(app)?;
+    if !path.exists() {
+        return Ok(SyncConfig::default());
+    }
+
+    let raw = fs::read_to_string(&path).map_err(|e| format!("无法读取同步配置: {}", e))?;
+    serde_json::from_str(&raw).map_err(|e| format!("同步配置格式无效: {}", e))
+}
+
+fn save_sync_config_to_disk(app: &tauri::AppHandle, config: &SyncConfig) -> Result<(), String> {
+    let path = sync_config_path(app)?;
+    if let Some(parent) = path.parent() {
+        fs::create_dir_all(parent).map_err(|e| format!("无法创建配置目录: {}", e))?;
+    }
+
+    let raw = serde_json::to_string_pretty(config).map_err(|e| format!("无法序列化同步配置: {}", e))?;
+    fs::write(&path, raw).map_err(|e| format!("无法保存同步配置: {}", e))
+}
+
+fn load_sync_history(app: &tauri::AppHandle, provider_key: &str) -> Result<SyncHistory, String> {
+    let path = sync_history_path(app, provider_key)?;
+    if !path.exists() {
+        return Ok(SyncHistory {
+            provider_key: provider_key.to_string(),
+            files: BTreeMap::new(),
+        });
+    }
+
+    let raw = fs::read_to_string(&path).map_err(|e| format!("无法读取同步历史: {}", e))?;
+    let mut history: SyncHistory =
+        serde_json::from_str(&raw).map_err(|e| format!("同步历史格式无效: {}", e))?;
+    history.provider_key = provider_key.to_string();
+    Ok(history)
+}
+
+fn save_sync_history(app: &tauri::AppHandle, history: &SyncHistory) -> Result<(), String> {
+    let path = sync_history_path(app, &history.provider_key)?;
+    if let Some(parent) = path.parent() {
+        fs::create_dir_all(parent).map_err(|e| format!("无法创建同步历史目录: {}", e))?;
+    }
+
+    let raw = serde_json::to_string_pretty(history).map_err(|e| format!("无法序列化同步历史: {}", e))?;
+    fs::write(&path, raw).map_err(|e| format!("无法保存同步历史: {}", e))
+}
+
+fn normalize_remote_root(path: &str) -> String {
+    let trimmed = path.trim().replace('\\', "/");
+    let trimmed = trimmed.trim_matches('/');
+    if trimmed.is_empty() {
+        "/".to_string()
+    } else {
+        format!("/{}", trimmed)
+    }
+}
+
+fn normalize_s3_prefix(prefix: &str) -> String {
+    prefix
+        .trim()
+        .replace('\\', "/")
+        .trim_matches('/')
+        .to_string()
+}
+
+fn normalize_remote_file_path(path: &str) -> String {
+    path.trim_start_matches('/').replace('\\', "/")
+}
+
+fn normalize_relative_path(path: &Path) -> String {
+    path.components()
+        .filter_map(|component| match component {
+            std::path::Component::Normal(part) => Some(part.to_string_lossy().to_string()),
+            _ => None,
+        })
+        .collect::<Vec<_>>()
+        .join("/")
+}
+
+fn provider_key(config: &SyncConfig) -> Result<String, String> {
+    match config.provider {
+        SyncProvider::None => Err("请先选择同步方式".to_string()),
+        SyncProvider::Webdav => {
+            let endpoint = config.webdav.endpoint.trim();
+            if endpoint.is_empty() {
+                return Err("请填写 WebDAV 服务器地址".to_string());
+            }
+            Ok(format!(
+                "webdav:{}:{}",
+                endpoint.trim_end_matches('/'),
+                normalize_remote_root(&config.webdav.remote_dir)
+            ))
+        }
+        SyncProvider::S3 => {
+            let bucket = config.s3.bucket.trim();
+            if bucket.is_empty() {
+                return Err("请填写 S3 Bucket".to_string());
+            }
+            Ok(format!(
+                "s3:{}:{}:{}",
+                config.s3.endpoint.trim().trim_end_matches('/'),
+                bucket,
+                normalize_s3_prefix(&config.s3.remote_prefix)
+            ))
+        }
+    }
+}
+
+fn build_sync_operator(config: &SyncConfig) -> Result<Operator, String> {
+    match config.provider {
+        SyncProvider::None => Err("请先选择同步方式".to_string()),
+        SyncProvider::Webdav => {
+            let endpoint = config.webdav.endpoint.trim();
+            if endpoint.is_empty() {
+                return Err("请填写 WebDAV 服务器地址".to_string());
+            }
+
+            let mut builder = Webdav::default()
+                .endpoint(endpoint)
+                .root(&normalize_remote_root(&config.webdav.remote_dir));
+
+            if !config.webdav.username.trim().is_empty() {
+                builder = builder.username(config.webdav.username.trim());
+            }
+            if !config.webdav.password.is_empty() {
+                builder = builder.password(&config.webdav.password);
+            }
+
+            Operator::new(builder)
+                .map(|builder| builder.finish())
+                .map_err(|e| format!("无法初始化 WebDAV 同步: {}", e))
+        }
+        SyncProvider::S3 => {
+            let bucket = config.s3.bucket.trim();
+            if bucket.is_empty() {
+                return Err("请填写 S3 Bucket".to_string());
+            }
+
+            let mut endpoint = config.s3.endpoint.trim().trim_end_matches('/').to_string();
+            if !endpoint.is_empty() && !endpoint.contains("://") {
+                endpoint = if config.s3.use_https {
+                    format!("https://{}", endpoint)
+                } else {
+                    format!("http://{}", endpoint)
+                };
+            }
+
+            let mut builder = S3::default()
+                .bucket(bucket)
+                .root(&normalize_s3_prefix(&config.s3.remote_prefix))
+                .disable_config_load();
+
+            if !endpoint.is_empty() {
+                builder = builder.endpoint(&endpoint);
+            }
+            if !config.s3.region.trim().is_empty() {
+                builder = builder.region(config.s3.region.trim());
+            }
+            if !config.s3.access_key_id.trim().is_empty() {
+                builder = builder.access_key_id(config.s3.access_key_id.trim());
+            }
+            if !config.s3.secret_access_key.is_empty() {
+                builder = builder.secret_access_key(&config.s3.secret_access_key);
+            }
+            if !config.s3.path_style {
+                builder = builder.enable_virtual_host_style();
+            }
+
+            Operator::new(builder)
+                .map(|builder| builder.finish())
+                .map_err(|e| format!("无法初始化 S3 同步: {}", e))
+        }
+    }
+}
+
+async fn opendal_timeout<T, F>(step: &str, timeout: Duration, future: F) -> Result<T, String>
+where
+    F: Future<Output = Result<T, opendal::Error>>,
+{
+    match tokio::time::timeout(timeout, future).await {
+        Ok(Ok(value)) => Ok(value),
+        Ok(Err(error)) => Err(format!("{}失败: {}", step, describe_opendal_error(&error))),
+        Err(_) => Err(format!("{}超时（{} 秒）", step, timeout.as_secs())),
+    }
+}
+
+async fn test_step<T, F>(
+    details: &mut Vec<String>,
+    step: &str,
+    success: &str,
+    future: F,
+) -> Result<T, String>
+where
+    F: Future<Output = Result<T, opendal::Error>>,
+{
+    let start = Instant::now();
+    match tokio::time::timeout(SYNC_TEST_STEP_TIMEOUT, future).await {
+        Ok(Ok(value)) => {
+            details.push(format!(
+                "{}: {}，耗时 {}ms",
+                step,
+                success,
+                start.elapsed().as_millis()
+            ));
+            Ok(value)
+        }
+        Ok(Err(error)) => Err(format_sync_test_failure(
+            step,
+            describe_opendal_error(&error),
+            details,
+        )),
+        Err(_) => Err(format_sync_test_failure(
+            step,
+            format!("请求超时（{} 秒），请检查服务器地址、网络或远端目录响应速度", SYNC_TEST_STEP_TIMEOUT.as_secs()),
+            details,
+        )),
+    }
+}
+
+fn describe_opendal_error(error: &opendal::Error) -> String {
+    let hint = match error.kind() {
+        ErrorKind::ConfigInvalid => "配置无效，请检查服务器地址、Bucket、Region 或远端路径",
+        ErrorKind::PermissionDenied => "权限被拒绝，通常表示账号/密码/Access Key 不正确，或该账号没有远端目录权限",
+        ErrorKind::NotFound => "远端路径不存在，请检查 WebDAV 远端目录、S3 Bucket 或前缀",
+        ErrorKind::Unsupported => "服务不支持当前操作，请确认 WebDAV/S3 兼容能力",
+        ErrorKind::RateLimited => "服务限流，请稍后重试",
+        ErrorKind::IsADirectory => "目标是目录，不是文件",
+        ErrorKind::NotADirectory => "目标不是目录",
+        ErrorKind::AlreadyExists => "目标已存在",
+        ErrorKind::ConditionNotMatch => "服务端条件校验未通过",
+        ErrorKind::RangeNotSatisfied => "读取范围无效",
+        ErrorKind::IsSameFile => "源和目标是同一个文件",
+        ErrorKind::Unexpected => "服务返回了非预期错误，请检查原始错误信息",
+        _ => "服务返回了未知错误",
+    };
+
+    format!("{}；原始错误: {}", hint, error)
+}
+
+fn format_sync_test_failure(step: &str, reason: String, details: &[String]) -> String {
+    let mut lines = vec![format!("连接测试失败，失败步骤：{}", step), reason];
+    if !details.is_empty() {
+        lines.push("已通过步骤：".to_string());
+        lines.extend(details.iter().map(|detail| format!("- {}", detail)));
+    }
+    lines.join("\n")
+}
+
+fn sync_target_label(config: &SyncConfig) -> String {
+    match config.provider {
+        SyncProvider::None => "未选择同步方式".to_string(),
+        SyncProvider::Webdav => format!(
+            "WebDAV {}{}",
+            config.webdav.endpoint.trim(),
+            normalize_remote_root(&config.webdav.remote_dir)
+        ),
+        SyncProvider::S3 => format!(
+            "S3 bucket={} prefix={}",
+            config.s3.bucket.trim(),
+            normalize_s3_prefix(&config.s3.remote_prefix)
+        ),
+    }
+}
+
+fn sync_probe_file_path() -> String {
+    let millis = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|duration| duration.as_millis())
+        .unwrap_or_default();
+    format!("_yurou-sync-probe-{}-{}.tmp", std::process::id(), millis)
+}
+
+fn remote_parent_dirs(relative: &str) -> Vec<String> {
+    let parts: Vec<&str> = relative.split('/').filter(|part| !part.is_empty()).collect();
+    if parts.len() <= 1 {
+        return Vec::new();
+    }
+
+    let mut dirs = Vec::new();
+    let mut current = String::new();
+    for part in parts.iter().take(parts.len() - 1) {
+        current.push_str(part);
+        current.push('/');
+        dirs.push(current.clone());
+    }
+    dirs
+}
+
+async fn ensure_remote_parent_dirs(op: &Operator, relative: &str) -> Result<(), String> {
+    for dir in remote_parent_dirs(relative) {
+        match tokio::time::timeout(SYNC_REMOTE_FILE_TIMEOUT, op.create_dir(&dir)).await {
+            Ok(Ok(())) => {}
+            Ok(Err(error)) if error.kind() == ErrorKind::AlreadyExists => {}
+            Ok(Err(error)) => {
+                return Err(format!(
+                    "创建远端目录 {}失败: {}",
+                    dir,
+                    describe_opendal_error(&error)
+                ));
+            }
+            Err(_) => {
+                return Err(format!(
+                    "创建远端目录 {}超时（{} 秒）",
+                    dir,
+                    SYNC_REMOTE_FILE_TIMEOUT.as_secs()
+                ));
+            }
+        }
+    }
+    Ok(())
+}
+
+async fn run_sync_connection_test(config: &SyncConfig) -> Result<SyncConnectionTestResult, String> {
+    let mut details = Vec::new();
+    let op = build_sync_operator(config)?;
+    details.push(format!("配置解析通过，目标：{}", sync_target_label(config)));
+
+    test_step(&mut details, "服务检查", "服务器可达", op.check()).await?;
+    test_step(
+        &mut details,
+        "目录读取",
+        "账号/密码有效，远端目录可读取",
+        op.list_with("/").limit(1).into_future(),
+    )
+    .await?;
+
+    let probe_path = sync_probe_file_path();
+    test_step(
+        &mut details,
+        "写入探针",
+        "远端目录可写",
+        op.write(&probe_path, SYNC_TEST_PAYLOAD.to_vec()),
+    )
+    .await?;
+
+    let read_result = test_step(
+        &mut details,
+        "读取探针",
+        "写入内容可读回",
+        op.read(&probe_path),
+    )
+    .await;
+    let read_bytes = match read_result {
+        Ok(bytes) => bytes.to_vec(),
+        Err(error) => {
+            let _ = opendal_timeout("清理测试文件", SYNC_TEST_STEP_TIMEOUT, op.delete(&probe_path)).await;
+            return Err(error);
+        }
+    };
+
+    if read_bytes != SYNC_TEST_PAYLOAD {
+        let _ = opendal_timeout("清理测试文件", SYNC_TEST_STEP_TIMEOUT, op.delete(&probe_path)).await;
+        return Err(format_sync_test_failure(
+            "读取探针",
+            "读回内容与写入内容不一致，请检查 WebDAV/S3 服务是否有缓存或代理改写".to_string(),
+            &details,
+        ));
+    }
+
+    test_step(
+        &mut details,
+        "删除探针",
+        "远端目录可删除",
+        op.delete(&probe_path),
+    )
+    .await?;
+
+    Ok(SyncConnectionTestResult {
+        message: "连接可用，账号/密码正确，远端目录具备读取、写入和删除权限".to_string(),
+        details,
+    })
+}
+
+fn system_time_ms(time: SystemTime) -> Option<i128> {
+    match time.duration_since(UNIX_EPOCH) {
+        Ok(duration) => Some(duration.as_millis() as i128),
+        Err(error) => Some(-(error.duration().as_millis() as i128)),
+    }
+}
+
+fn now_string() -> String {
+    opendal::raw::Timestamp::now().to_string()
+}
+
+fn remote_modified_ms(meta: &opendal::Metadata) -> Option<i128> {
+    meta.last_modified()
+        .and_then(|value| {
+            let system_time: SystemTime = value.into();
+            system_time_ms(system_time)
+        })
+}
+
+fn scan_local_files(root: &Path) -> Result<BTreeMap<String, SyncFileInfo>, String> {
+    if !root.is_dir() {
+        return Err("工作目录不存在或不是文件夹".to_string());
+    }
+
+    let mut files = BTreeMap::new();
+    scan_local_files_inner(root, root, &mut files)?;
+    Ok(files)
+}
+
+fn scan_local_files_inner(
+    root: &Path,
+    current: &Path,
+    files: &mut BTreeMap<String, SyncFileInfo>,
+) -> Result<(), String> {
+    for entry in fs::read_dir(current).map_err(|e| format!("无法读取工作目录: {}", e))? {
+        let entry = entry.map_err(|e| format!("读取工作目录条目失败: {}", e))?;
+        let path = entry.path();
+        let file_type = entry
+            .file_type()
+            .map_err(|e| format!("无法读取文件类型: {}", e))?;
+
+        if file_type.is_dir() {
+            scan_local_files_inner(root, &path, files)?;
+        } else if file_type.is_file() {
+            let metadata = entry
+                .metadata()
+                .map_err(|e| format!("无法读取文件元数据: {}", e))?;
+            let relative = path
+                .strip_prefix(root)
+                .map(normalize_relative_path)
+                .map_err(|e| format!("无法计算相对路径: {}", e))?;
+            files.insert(
+                relative.clone(),
+                SyncFileInfo {
+                    modified_ms: metadata.modified().ok().and_then(system_time_ms),
+                    size: metadata.len(),
+                },
+            );
+        }
+    }
+
+    Ok(())
+}
+
+async fn scan_remote_files(op: &Operator) -> Result<BTreeMap<String, SyncFileInfo>, String> {
+    let entries = opendal_timeout(
+        "读取远端文件列表",
+        SYNC_REMOTE_LIST_TIMEOUT,
+        op.list_with("/").recursive(true).into_future(),
+    )
+    .await?;
+
+    let mut files = BTreeMap::new();
+    for entry in entries {
+        let (path, listed_meta) = entry.into_parts();
+        if path == "/" || path.ends_with('/') || listed_meta.mode() == EntryMode::DIR {
+            continue;
+        }
+
+        let meta = match tokio::time::timeout(SYNC_REMOTE_FILE_TIMEOUT, op.stat(&path)).await {
+            Ok(Ok(meta)) => meta,
+            Ok(Err(error)) if error.kind() == ErrorKind::NotFound => continue,
+            Ok(Err(error)) => {
+                return Err(format!(
+                    "读取远端文件元数据 {}失败: {}",
+                    path,
+                    describe_opendal_error(&error)
+                ));
+            }
+            Err(_) => {
+                return Err(format!(
+                    "读取远端文件元数据 {}超时（{} 秒）",
+                    path,
+                    SYNC_REMOTE_FILE_TIMEOUT.as_secs()
+                ));
+            }
+        };
+
+        if !meta.is_file() {
+            continue;
+        }
+
+        let relative = normalize_remote_file_path(&path);
+        files.insert(
+            relative.clone(),
+            SyncFileInfo {
+                modified_ms: remote_modified_ms(&meta),
+                size: meta.content_length(),
+            },
+        );
+    }
+
+    Ok(files)
+}
+
+fn choose_sync_action(
+    local: Option<&SyncFileInfo>,
+    remote: Option<&SyncFileInfo>,
+    history: Option<&SyncHistoryEntry>,
+) -> SyncAction {
+    match (local, remote) {
+        (Some(local), Some(remote)) => {
+            if let Some(history) = history {
+                if history.local_modified_ms == local.modified_ms
+                    && history.remote_modified_ms == remote.modified_ms
+                    && history.size == local.size
+                    && history.size == remote.size
+                {
+                    return SyncAction::Skip;
+                }
+            }
+
+            if local.size == remote.size
+                && local.modified_ms.is_some()
+                && remote.modified_ms.is_some()
+                && local.modified_ms == remote.modified_ms
+            {
+                return SyncAction::Skip;
+            }
+
+            match (local.modified_ms, remote.modified_ms) {
+                (Some(local_ms), Some(remote_ms)) => {
+                    if local_ms >= remote_ms {
+                        SyncAction::Upload
+                    } else {
+                        SyncAction::Download
+                    }
+                }
+                (Some(_), None) => SyncAction::Upload,
+                (None, Some(_)) => SyncAction::Download,
+                (None, None) => {
+                    if local.size == remote.size {
+                        SyncAction::Skip
+                    } else {
+                        SyncAction::Upload
+                    }
+                }
+            }
+        }
+        (Some(local), None) => {
+            if let Some(history) = history {
+                if history.local_modified_ms == local.modified_ms && history.size == local.size {
+                    SyncAction::DeleteLocal
+                } else {
+                    SyncAction::Upload
+                }
+            } else {
+                SyncAction::Upload
+            }
+        }
+        (None, Some(remote)) => {
+            if let Some(history) = history {
+                if history.remote_modified_ms == remote.modified_ms && history.size == remote.size {
+                    SyncAction::DeleteRemote
+                } else {
+                    SyncAction::Download
+                }
+            } else {
+                SyncAction::Download
+            }
+        }
+        (None, None) => SyncAction::Skip,
+    }
+}
+
+fn local_path_for(root: &Path, relative: &str) -> PathBuf {
+    relative
+        .split('/')
+        .filter(|part| !part.is_empty())
+        .fold(root.to_path_buf(), |path, part| path.join(part))
+}
+
+async fn sync_workspace(
+    app: &tauri::AppHandle,
+    workspace: &Path,
+    config: &SyncConfig,
+) -> Result<SyncResult, String> {
+    let op = build_sync_operator(config)?;
+    opendal_timeout("同步连接检查", SYNC_CHECK_TIMEOUT, op.check()).await?;
+
+    let key = provider_key(config)?;
+    let local_files = scan_local_files(workspace)?;
+    let remote_files = scan_remote_files(&op).await?;
+    let mut history = load_sync_history(app, &key)?;
+    let mut stats = SyncStats::default();
+
+    let all_paths: BTreeSet<String> = local_files
+        .keys()
+        .chain(remote_files.keys())
+        .chain(history.files.keys())
+        .cloned()
+        .collect();
+
+    for relative in all_paths {
+        let local = local_files.get(&relative);
+        let remote = remote_files.get(&relative);
+        let prior = history.files.get(&relative);
+
+        match choose_sync_action(local, remote, prior) {
+            SyncAction::Upload => {
+                let local_path = local_path_for(workspace, &relative);
+                let bytes = fs::read(&local_path)
+                    .map_err(|e| format!("无法读取本地文件 {}: {}", local_path.display(), e))?;
+                ensure_remote_parent_dirs(&op, &relative).await?;
+                opendal_timeout(
+                    &format!("上传 {}", relative),
+                    SYNC_REMOTE_FILE_TIMEOUT,
+                    op.write(&relative, bytes),
+                )
+                .await?;
+                stats.uploaded += 1;
+            }
+            SyncAction::Download => {
+                let local_path = local_path_for(workspace, &relative);
+                if let Some(parent) = local_path.parent() {
+                    fs::create_dir_all(parent)
+                        .map_err(|e| format!("无法创建本地目录 {}: {}", parent.display(), e))?;
+                }
+                let bytes = opendal_timeout(
+                    &format!("下载 {}", relative),
+                    SYNC_REMOTE_FILE_TIMEOUT,
+                    op.read(&relative),
+                )
+                .await?
+                .to_vec();
+                fs::write(&local_path, bytes)
+                    .map_err(|e| format!("无法写入本地文件 {}: {}", local_path.display(), e))?;
+                stats.downloaded += 1;
+            }
+            SyncAction::DeleteLocal => {
+                let local_path = local_path_for(workspace, &relative);
+                if local_path.is_file() {
+                    fs::remove_file(&local_path)
+                        .map_err(|e| format!("无法删除本地文件 {}: {}", local_path.display(), e))?;
+                }
+                history.files.remove(&relative);
+                stats.deleted_local += 1;
+                continue;
+            }
+            SyncAction::DeleteRemote => {
+                opendal_timeout(
+                    &format!("删除远端文件 {}", relative),
+                    SYNC_REMOTE_FILE_TIMEOUT,
+                    op.delete(&relative),
+                )
+                .await?;
+                history.files.remove(&relative);
+                stats.deleted_remote += 1;
+                continue;
+            }
+            SyncAction::Skip => {
+                stats.skipped += 1;
+            }
+        }
+    }
+
+    let refreshed_local = scan_local_files(workspace)?;
+    let refreshed_remote = scan_remote_files(&op).await?;
+    history.files.clear();
+
+    let synced_paths: BTreeSet<String> = refreshed_local
+        .keys()
+        .chain(refreshed_remote.keys())
+        .cloned()
+        .collect();
+
+    for relative in synced_paths {
+        let local = refreshed_local.get(&relative);
+        let remote = refreshed_remote.get(&relative);
+        let size = local
+            .map(|item| item.size)
+            .or_else(|| remote.map(|item| item.size))
+            .unwrap_or(0);
+        history.files.insert(
+            relative,
+            SyncHistoryEntry {
+                local_modified_ms: local.and_then(|item| item.modified_ms),
+                remote_modified_ms: remote.and_then(|item| item.modified_ms),
+                size,
+            },
+        );
+    }
+
+    save_sync_history(app, &history)?;
+
+    let last_sync_at = now_string();
+    let mut saved_config = config.clone();
+    saved_config.last_sync_at = Some(last_sync_at.clone());
+    save_sync_config_to_disk(app, &saved_config)?;
+
+    Ok(SyncResult {
+        message: "同步完成".to_string(),
+        last_sync_at,
+        stats,
+    })
+}
+
+#[tauri::command]
+fn load_sync_config(app: tauri::AppHandle) -> Result<SyncConfig, String> {
+    load_sync_config_from_disk(&app)
+}
+
+#[tauri::command]
+fn save_sync_config(app: tauri::AppHandle, config: SyncConfig) -> Result<(), String> {
+    save_sync_config_to_disk(&app, &config)
+}
+
+#[tauri::command]
+async fn test_sync_connection(config: SyncConfig) -> Result<SyncConnectionTestResult, String> {
+    run_sync_connection_test(&config).await
+}
+
+#[tauri::command]
+async fn sync_now(app: tauri::AppHandle, workspace: String, config: SyncConfig) -> Result<SyncResult, String> {
+    let workspace = PathBuf::from(workspace);
+    sync_workspace(&app, &workspace, &config).await
+}
+
 #[tauri::command]
 fn greet(name: &str) -> String {
     format!("Hello, {}! You've been greeted from Rust!", name)
@@ -480,7 +1331,11 @@ pub fn run() {
             delete_entry,
             rename_entry,
             save_media_file,
-            search_files
+            search_files,
+            load_sync_config,
+            save_sync_config,
+            test_sync_connection,
+            sync_now
         ])
         .setup(|app| {
             // ---- File menu ----
diff --git a/src/App.vue b/src/App.vue
index 9866868..1ae73ce 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -14,6 +14,7 @@ const charCount = ref(0);
 type DocumentMode = "preview" | "edit" | "mixed";
 type AppTheme = "system" | "warm" | "white" | "black" | "gruvbox" | "gray";
 type WorkspaceFileType = "markdown" | "image" | "video";
+type SyncProvider = "none" | "webdav" | "s3";
 const DEFAULT_DOCUMENT_MODE_KEY = "yurou:default-document-mode";
 const APP_THEME_KEY = "yurou:app-theme";
 const MARKDOWN_EXTENSIONS = new Set(["md"]);
@@ -104,6 +105,41 @@ interface WorkspaceWatchErrorPayload {
   message: string;
 }
 
+interface SyncConfig {
+  provider: SyncProvider;
+  webdav: {
+    endpoint: string;
+    username: string;
+    password: string;
+    remoteDir: string;
+  };
+  s3: {
+    endpoint: string;
+    region: string;
+    bucket: string;
+    accessKeyId: string;
+    secretAccessKey: string;
+    remotePrefix: string;
+    pathStyle: boolean;
+    useHttps: boolean;
+  };
+  autoSyncOnStartup: boolean;
+  autoSyncAfterSave: boolean;
+  lastSyncAt: string | null;
+}
+
+interface SyncResult {
+  message: string;
+  lastSyncAt: string;
+  stats: {
+    uploaded: number;
+    downloaded: number;
+    deletedLocal: number;
+    deletedRemote: number;
+    skipped: number;
+  };
+}
+
 const folderPath = ref("");
 const dirEntries = ref<DirEntry[]>([]);
 const LAST_WORKSPACE_PATH_KEY = "yurou:last-workspace-path";
@@ -115,6 +151,7 @@ const WORKSPACE_REFRESH_DELAY_MS = 140;
 let workspaceRefreshTimer: ReturnType<typeof setTimeout> | null = null;
 let workspaceRefreshInFlight = false;
 let workspaceRefreshQueued = false;
+let syncInFlight = false;
 
 // ---- editor zoom (Ctrl+scroll) ----
 const ZOOM_MIN = 0.7;
@@ -172,7 +209,7 @@ const documentMode = ref<DocumentMode>(defaultDocumentMode.value);
 const appTheme = ref<AppTheme>(loadAppTheme());
 const showMoreMenu = ref(false);
 const settingsRequest = ref(0);
-const settingsInitialPage = ref<"about" | "editor">("about");
+const settingsInitialPage = ref<"about" | "editor" | "sync">("about");
 const markdownEditorRef = ref<{ flushPendingChanges: () => string | undefined; scrollToLine: (line: number) => void } | null>(null);
 const directorySidebarRef = ref<{ activateSearch: () => void } | null>(null);
 const isWindowMaximized = ref(false);
@@ -279,7 +316,7 @@ function onTitlebarDoubleClick(event: MouseEvent) {
   void toggleWindowMaximize();
 }
 
-function openSettings(page: "about" | "editor" = "about") {
+function openSettings(page: "about" | "editor" | "sync" = "about") {
   settingsInitialPage.value = page;
   settingsRequest.value += 1;
 }
@@ -565,7 +602,7 @@ async function saveCurrentWorkspaceDocumentBeforeSwitch() {
   const contentToSave = getLatestEditorContent();
   if (!currentFilePath.value && !contentToSave.trim()) return true;
 
-  return doSave(contentToSave);
+  return doSave(contentToSave, { syncAfterSave: false });
 }
 
 function resetWorkspaceAndEditorState(options: { stopWatcher?: boolean } = {}) {
@@ -631,14 +668,109 @@ async function switchWorkspace(path: string, options: { persist?: boolean; reset
   return true;
 }
 
+async function loadSyncConfig(): Promise<SyncConfig | null> {
+  try {
+    return await invoke<SyncConfig>("load_sync_config");
+  } catch (e) {
+    console.error("Failed to load sync config:", e);
+    return null;
+  }
+}
+
+function shouldRunSync(config: SyncConfig | null, trigger: "startup" | "save") {
+  if (!config || config.provider === "none") return false;
+  if (trigger === "startup") return config.autoSyncOnStartup;
+  return config.autoSyncAfterSave;
+}
+
+function describeSyncResult(result: SyncResult) {
+  const { stats } = result;
+  return `同步完成: 上传 ${stats.uploaded}, 下载 ${stats.downloaded}, 删除本地 ${stats.deletedLocal}, 删除远端 ${stats.deletedRemote}`;
+}
+
+async function refreshCurrentOpenFileFromDisk() {
+  if (!currentFilePath.value) return;
+  if (!folderPath.value) return;
+
+  try {
+    if (isMarkdownDocument.value) {
+      const fileContent = await invoke<string>("read_file", { path: currentFilePath.value });
+      setDocumentContent(fileContent);
+      hasDraftDocument.value = false;
+      editorResetKey.value += 1;
+      return;
+    }
+
+    if (currentFileType.value === "image" || currentFileType.value === "video") {
+      mediaPreviewSrc.value = getLocalAssetSrc(currentFilePath.value);
+      mediaPreviewError.value = "";
+      mediaPreviewKey.value += 1;
+    }
+  } catch (e) {
+    console.error("Failed to refresh current file after sync:", e);
+    resetMarkdownEditorState();
+  }
+}
+
+async function runConfiguredSync(trigger: "startup" | "save" | "manual") {
+  if (!folderPath.value || syncInFlight) return false;
+
+  const config = await loadSyncConfig();
+  if (trigger !== "manual" && !shouldRunSync(config, trigger)) return false;
+  if (!config || config.provider === "none") return false;
+
+  if (trigger !== "save") {
+    const saved = await saveCurrentWorkspaceDocumentBeforeSwitch();
+    if (!saved) return false;
+  }
+
+  syncInFlight = true;
+  try {
+    const result = await invoke<SyncResult>("sync_now", {
+      workspace: folderPath.value,
+      config,
+    });
+    saveStatus.value = describeSyncResult(result);
+    setTimeout(() => {
+      saveStatus.value = "";
+    }, 3600);
+    await refreshWorkspaceTree();
+    await refreshCurrentOpenFileFromDisk();
+    return true;
+  } catch (e) {
+    console.error("Sync failed:", e);
+    saveStatus.value = `同步失败: ${e}`;
+    return false;
+  } finally {
+    syncInFlight = false;
+  }
+}
+
+async function handleWorkspaceSynced() {
+  await refreshWorkspaceTree();
+  await refreshCurrentOpenFileFromDisk();
+}
+
+async function prepareWorkspaceSync(done: (saved: boolean) => void) {
+  try {
+    done(await saveCurrentWorkspaceDocumentBeforeSwitch());
+  } catch (e) {
+    console.error("Failed to prepare workspace sync:", e);
+    done(false);
+  }
+}
+
 async function restoreLastWorkspace() {
   const lastWorkspacePath = getLastWorkspacePath();
   if (!lastWorkspacePath) return;
 
-  await switchWorkspace(lastWorkspacePath, {
+  const restored = await switchWorkspace(lastWorkspacePath, {
     persist: false,
     resetEditor: true,
   });
+  if (restored) {
+    void runConfiguredSync("startup");
+  }
 }
 
 async function onOpenFolder() {
@@ -877,7 +1009,7 @@ function getLatestEditorContent(contentOverride?: string) {
   return markdownEditorRef.value?.flushPendingChanges() ?? content.value;
 }
 
-async function doSave(contentOverride?: string) {
+async function doSave(contentOverride?: string, options: { syncAfterSave?: boolean } = {}) {
   if (!isMarkdownDocument.value) return false;
 
   const contentToSave = getLatestEditorContent(contentOverride);
@@ -901,6 +1033,9 @@ async function doSave(contentOverride?: string) {
       saveStatus.value = "";
     }, 3000);
     hasDraftDocument.value = false;
+    if (options.syncAfterSave !== false) {
+      void runConfiguredSync("save");
+    }
     return true;
   } catch (e) {
     console.error("Save failed:", e);
@@ -923,6 +1058,8 @@ async function doSaveAs() {
     setTimeout(() => {
       saveStatus.value = "";
     }, 3000);
+    hasDraftDocument.value = false;
+    void runConfiguredSync("save");
   } catch (e) {
     console.error("Save failed:", e);
     saveStatus.value = `保存失败: ${e}`;
@@ -1023,6 +1160,8 @@ async function handleSearchResultClick(filePath: string, lineNumber: number) {
           @search-result-click="handleSearchResultClick"
           @update-default-document-mode="updateDefaultDocumentMode"
           @update-app-theme="updateAppTheme"
+          @prepare-workspace-sync="prepareWorkspaceSync"
+          @workspace-synced="handleWorkspaceSynced"
       />
 
       <!-- Right: Editor area -->
diff --git a/src/components/DirectorySidebar.vue b/src/components/DirectorySidebar.vue
index c582f3d..1f8aed3 100644
--- a/src/components/DirectorySidebar.vue
+++ b/src/components/DirectorySidebar.vue
@@ -5,7 +5,7 @@ import SettingsModal from "./SettingsModal.vue";
 import TreeEntry from "./TreeEntry.vue";
 import PromptDialog from "./PromptDialog.vue";
 
-type SettingsPage = "about" | "editor";
+type SettingsPage = "about" | "editor" | "sync";
 type DocumentMode = "preview" | "edit" | "mixed";
 type AppTheme = "system" | "warm" | "white" | "black" | "gruvbox" | "gray";
 
@@ -55,9 +55,15 @@ const emit = defineEmits<{
   renameEntry: [path: string, newName: string];
   updateDefaultDocumentMode: [mode: DocumentMode];
   updateAppTheme: [theme: AppTheme];
+  prepareWorkspaceSync: [done: (saved: boolean) => void];
+  workspaceSynced: [];
   "search-result-click": [filePath: string, lineNumber: number];
 }>();
 
+function forwardPrepareWorkspaceSync(done: (saved: boolean) => void) {
+  emit("prepareWorkspaceSync", done);
+}
+
 // ---- sidebar view mode ----
 type ViewMode = "folder" | "search" | "setting";
 const activeView = ref<ViewMode>("folder");
@@ -833,10 +839,13 @@ function handleCreateRootFile() {
   <SettingsModal
       v-model:show="showSettings"
       :initial-page="settingsPage"
+      :workspace-path="folderPath"
       :default-document-mode="defaultDocumentMode"
       :app-theme="appTheme"
       @update-default-document-mode="(mode: DocumentMode) => emit('updateDefaultDocumentMode', mode)"
       @update-app-theme="(theme: AppTheme) => emit('updateAppTheme', theme)"
+      @prepare-workspace-sync="forwardPrepareWorkspaceSync"
+      @workspace-synced="emit('workspaceSynced')"
   />
 
   <PromptDialog
diff --git a/src/components/SettingsModal.vue b/src/components/SettingsModal.vue
index 97198a8..7ba1f36 100644
--- a/src/components/SettingsModal.vue
+++ b/src/components/SettingsModal.vue
@@ -1,20 +1,64 @@
 <script setup lang="ts">
 import { getVersion } from "@tauri-apps/api/app";
+import { invoke } from "@tauri-apps/api/core";
 import { computed, onBeforeUnmount, ref, watch } from "vue";
 
-type SettingsPage = "about" | "editor" | "appearance";
+type SettingsPage = "about" | "editor" | "appearance" | "sync";
 type DocumentMode = "preview" | "edit" | "mixed";
 type AppTheme = "system" | "warm" | "white" | "black" | "gruvbox" | "gray";
+type SyncProvider = "none" | "webdav" | "s3";
+
+interface SyncConfig {
+  provider: SyncProvider;
+  webdav: {
+    endpoint: string;
+    username: string;
+    password: string;
+    remoteDir: string;
+  };
+  s3: {
+    endpoint: string;
+    region: string;
+    bucket: string;
+    accessKeyId: string;
+    secretAccessKey: string;
+    remotePrefix: string;
+    pathStyle: boolean;
+    useHttps: boolean;
+  };
+  autoSyncOnStartup: boolean;
+  autoSyncAfterSave: boolean;
+  lastSyncAt: string | null;
+}
+
+interface SyncResult {
+  message: string;
+  lastSyncAt: string;
+  stats: {
+    uploaded: number;
+    downloaded: number;
+    deletedLocal: number;
+    deletedRemote: number;
+    skipped: number;
+  };
+}
+
+interface SyncConnectionTestResult {
+  message: string;
+  details: string[];
+}
 
 const props = withDefaults(
   defineProps<{
     show: boolean;
     initialPage?: SettingsPage;
+    workspacePath?: string;
     defaultDocumentMode?: DocumentMode;
     appTheme?: AppTheme;
   }>(),
   {
     initialPage: "about",
+    workspacePath: "",
     defaultDocumentMode: "edit",
     appTheme: "warm",
   },
@@ -24,6 +68,8 @@ const emit = defineEmits<{
   "update:show": [value: boolean];
   updateDefaultDocumentMode: [mode: DocumentMode];
   updateAppTheme: [theme: AppTheme];
+  prepareWorkspaceSync: [done: (saved: boolean) => void];
+  workspaceSynced: [];
 }>();
 
 const APP_NAME = "yurou";
@@ -36,14 +82,23 @@ const appVersion = ref(FALLBACK_VERSION);
 const autoUpdate = ref(loadBooleanPref(AUTO_UPDATE_KEY, true));
 const language = ref(loadStringPref(LANGUAGE_KEY, "zh-Hans"));
 const updateStatus = ref("");
+const syncConfig = ref<SyncConfig>(createDefaultSyncConfig());
+const syncStatus = ref("");
+const syncError = ref("");
+const syncSaving = ref(false);
+const syncTesting = ref(false);
+const syncRunning = ref(false);
 let updateStatusTimer: ReturnType<typeof setTimeout> | null = null;
 
 const pageTitle = computed(() => {
   if (activePage.value === "about") return "关于";
   if (activePage.value === "editor") return "编辑器";
+  if (activePage.value === "sync") return "同步";
   return "外观";
 });
 
+const isSyncBusy = computed(() => syncSaving.value || syncTesting.value || syncRunning.value);
+
 const menuItems: Array<{
   id: SettingsPage;
   label: string;
@@ -52,6 +107,7 @@ const menuItems: Array<{
   { id: "about", label: "关于", icon: "ri-information-line" },
   { id: "editor", label: "编辑器", icon: "ri-edit-2-line" },
   { id: "appearance", label: "外观", icon: "ri-palette-line" },
+  { id: "sync", label: "同步", icon: "ri-loop-left-line" },
 ];
 
 const documentModeOptions: Array<{
@@ -103,6 +159,49 @@ function savePref(key: string, value: string) {
   }
 }
 
+function createDefaultSyncConfig(): SyncConfig {
+  return {
+    provider: "none",
+    webdav: {
+      endpoint: "",
+      username: "",
+      password: "",
+      remoteDir: "/yurou",
+    },
+    s3: {
+      endpoint: "",
+      region: "us-east-1",
+      bucket: "",
+      accessKeyId: "",
+      secretAccessKey: "",
+      remotePrefix: "yurou",
+      pathStyle: true,
+      useHttps: true,
+    },
+    autoSyncOnStartup: false,
+    autoSyncAfterSave: false,
+    lastSyncAt: null,
+  };
+}
+
+function mergeSyncConfig(config: Partial<SyncConfig> | null | undefined): SyncConfig {
+  const defaults = createDefaultSyncConfig();
+  if (!config) return defaults;
+
+  return {
+    ...defaults,
+    ...config,
+    webdav: {
+      ...defaults.webdav,
+      ...(config.webdav || {}),
+    },
+    s3: {
+      ...defaults.s3,
+      ...(config.s3 || {}),
+    },
+  };
+}
+
 function close() {
   emit("update:show", false);
 }
@@ -149,6 +248,87 @@ function resetTheme() {
   emit("updateAppTheme", "warm");
 }
 
+function setSyncStatus(message: string, isError = false) {
+  if (isError) {
+    syncError.value = message;
+    syncStatus.value = "";
+  } else {
+    syncStatus.value = message;
+    syncError.value = "";
+  }
+}
+
+async function loadSyncConfig() {
+  try {
+    const config = await invoke<SyncConfig>("load_sync_config");
+    syncConfig.value = mergeSyncConfig(config);
+    syncError.value = "";
+  } catch (error) {
+    setSyncStatus(`读取同步配置失败: ${error}`, true);
+  }
+}
+
+async function saveSyncConfig() {
+  syncSaving.value = true;
+  try {
+    await invoke("save_sync_config", { config: syncConfig.value });
+    setSyncStatus("同步配置已保存");
+  } catch (error) {
+    setSyncStatus(`保存失败: ${error}`, true);
+  } finally {
+    syncSaving.value = false;
+  }
+}
+
+async function testSyncConnection() {
+  syncTesting.value = true;
+  try {
+    const result = await invoke<SyncConnectionTestResult>("test_sync_connection", { config: syncConfig.value });
+    setSyncStatus([result.message, ...result.details.map((item) => `- ${item}`)].join("\n"));
+  } catch (error) {
+    setSyncStatus(String(error), true);
+  } finally {
+    syncTesting.value = false;
+  }
+}
+
+function formatSyncResult(result: SyncResult) {
+  const { stats } = result;
+  return `同步完成：上传 ${stats.uploaded}，下载 ${stats.downloaded}，删除本地 ${stats.deletedLocal}，删除远端 ${stats.deletedRemote}，跳过 ${stats.skipped}`;
+}
+
+async function runSyncNow() {
+  if (!props.workspacePath) {
+    setSyncStatus("请先打开一个工作目录", true);
+    return;
+  }
+
+  syncRunning.value = true;
+  try {
+    setSyncStatus("正在同步：扫描本地和远端文件，远端列表请求最长等待 120 秒。");
+    await invoke("save_sync_config", { config: syncConfig.value });
+    const prepared = await new Promise<boolean>((resolve) => {
+      emit("prepareWorkspaceSync", resolve);
+    });
+    if (!prepared) {
+      setSyncStatus("同步已取消，当前文档尚未保存", true);
+      return;
+    }
+
+    const result = await invoke<SyncResult>("sync_now", {
+      workspace: props.workspacePath,
+      config: syncConfig.value,
+    });
+    syncConfig.value.lastSyncAt = result.lastSyncAt;
+    setSyncStatus(formatSyncResult(result));
+    emit("workspaceSynced");
+  } catch (error) {
+    setSyncStatus(`同步失败: ${error}`, true);
+  } finally {
+    syncRunning.value = false;
+  }
+}
+
 watch(
   () => props.show,
   (show) => {
@@ -156,6 +336,7 @@ watch(
     activePage.value = props.initialPage;
     updateStatus.value = "";
     void loadAppVersion();
+    void loadSyncConfig();
   },
 );
 
@@ -185,7 +366,6 @@ onBeforeUnmount(() => {
       v-if="show"
       class="settings-overlay"
       role="presentation"
-      @click.self="close"
       @keydown="onOverlayKeydown"
     >
       <section
@@ -298,6 +478,214 @@ onBeforeUnmount(() => {
             </section>
           </div>
 
+          <div v-else-if="activePage === 'sync'" class="settings-content settings-sync-content">
+            <section class="settings-about-card" aria-label="同步设置">
+              <div class="settings-row settings-row-top">
+                <div class="settings-copy">
+                  <h3>同步方式</h3>
+                  <p>同步当前工作目录中的所有文件，包括隐藏文件。</p>
+                </div>
+                <select v-model="syncConfig.provider" class="settings-select" aria-label="同步方式">
+                  <option value="none">关闭同步</option>
+                  <option value="webdav">WebDAV</option>
+                  <option value="s3">S3 兼容</option>
+                </select>
+              </div>
+
+              <template v-if="syncConfig.provider === 'webdav'">
+                <div class="settings-form-row">
+                  <label class="settings-field">
+                    <span>服务器地址</span>
+                    <input
+                      v-model="syncConfig.webdav.endpoint"
+                      class="settings-input"
+                      type="url"
+                      placeholder="https://example.com/dav"
+                    />
+                  </label>
+                  <label class="settings-field">
+                    <span>远端目录</span>
+                    <input
+                      v-model="syncConfig.webdav.remoteDir"
+                      class="settings-input"
+                      type="text"
+                      placeholder="/yurou"
+                    />
+                  </label>
+                </div>
+                <div class="settings-form-row">
+                  <label class="settings-field">
+                    <span>用户名</span>
+                    <input
+                      v-model="syncConfig.webdav.username"
+                      class="settings-input"
+                      type="text"
+                      autocomplete="username"
+                    />
+                  </label>
+                  <label class="settings-field">
+                    <span>密码或应用密码</span>
+                    <input
+                      v-model="syncConfig.webdav.password"
+                      class="settings-input"
+                      type="password"
+                      autocomplete="current-password"
+                    />
+                  </label>
+                </div>
+              </template>
+
+              <template v-else-if="syncConfig.provider === 's3'">
+                <div class="settings-form-row">
+                  <label class="settings-field">
+                    <span>Endpoint</span>
+                    <input
+                      v-model="syncConfig.s3.endpoint"
+                      class="settings-input"
+                      type="text"
+                      placeholder="https://s3.example.com"
+                    />
+                  </label>
+                  <label class="settings-field">
+                    <span>Region</span>
+                    <input
+                      v-model="syncConfig.s3.region"
+                      class="settings-input"
+                      type="text"
+                      placeholder="us-east-1"
+                    />
+                  </label>
+                </div>
+                <div class="settings-form-row">
+                  <label class="settings-field">
+                    <span>Bucket</span>
+                    <input
+                      v-model="syncConfig.s3.bucket"
+                      class="settings-input"
+                      type="text"
+                      placeholder="notes"
+                    />
+                  </label>
+                  <label class="settings-field">
+                    <span>远端前缀</span>
+                    <input
+                      v-model="syncConfig.s3.remotePrefix"
+                      class="settings-input"
+                      type="text"
+                      placeholder="yurou"
+                    />
+                  </label>
+                </div>
+                <div class="settings-form-row">
+                  <label class="settings-field">
+                    <span>Access Key ID</span>
+                    <input
+                      v-model="syncConfig.s3.accessKeyId"
+                      class="settings-input"
+                      type="text"
+                      autocomplete="username"
+                    />
+                  </label>
+                  <label class="settings-field">
+                    <span>Secret Access Key</span>
+                    <input
+                      v-model="syncConfig.s3.secretAccessKey"
+                      class="settings-input"
+                      type="password"
+                      autocomplete="current-password"
+                    />
+                  </label>
+                </div>
+                <div class="settings-row">
+                  <div class="settings-copy">
+                    <h3>Path style</h3>
+                    <p>MinIO、部分私有云和兼容 S3 服务通常需要开启。</p>
+                  </div>
+                  <label class="settings-switch" title="Path style">
+                    <input v-model="syncConfig.s3.pathStyle" type="checkbox" />
+                    <span></span>
+                  </label>
+                </div>
+                <div class="settings-row">
+                  <div class="settings-copy">
+                    <h3>使用 HTTPS</h3>
+                    <p>当 Endpoint 未填写协议时，用这个选项决定 http 或 https。</p>
+                  </div>
+                  <label class="settings-switch" title="使用 HTTPS">
+                    <input v-model="syncConfig.s3.useHttps" type="checkbox" />
+                    <span></span>
+                  </label>
+                </div>
+              </template>
+
+              <div class="settings-row">
+                <div class="settings-copy">
+                  <h3>同步策略</h3>
+                  <p>启动时和保存后可自动同步，冲突时以最新修改为准。</p>
+                </div>
+                <div class="settings-switch-group">
+                  <label class="settings-switch-line">
+                    <span>启动时</span>
+                    <span class="settings-switch">
+                      <input v-model="syncConfig.autoSyncOnStartup" type="checkbox" />
+                      <span></span>
+                    </span>
+                  </label>
+                  <label class="settings-switch-line">
+                    <span>保存后</span>
+                    <span class="settings-switch">
+                      <input v-model="syncConfig.autoSyncAfterSave" type="checkbox" />
+                      <span></span>
+                    </span>
+                  </label>
+                </div>
+              </div>
+
+              <div class="settings-row settings-sync-actions">
+                <div class="settings-copy">
+                  <h3>立即同步</h3>
+                  <p>
+                    {{ syncConfig.lastSyncAt ? `上次同步：${syncConfig.lastSyncAt}` : '尚未同步' }}
+                  </p>
+                  <div
+                    v-if="syncStatus || syncError"
+                    class="settings-sync-log"
+                    :class="{ 'settings-sync-log-error': Boolean(syncError) }"
+                    role="status"
+                  >
+                    {{ syncError || syncStatus }}
+                  </div>
+                </div>
+                <div class="settings-action-stack">
+                  <button
+                    class="settings-secondary-btn"
+                    type="button"
+                    :disabled="isSyncBusy"
+                    @click="saveSyncConfig"
+                  >
+                    {{ syncSaving ? '保存中' : '保存配置' }}
+                  </button>
+                  <button
+                    class="settings-secondary-btn"
+                    type="button"
+                    :disabled="isSyncBusy || syncConfig.provider === 'none'"
+                    @click="testSyncConnection"
+                  >
+                    {{ syncTesting ? '测试中' : '测试连接' }}
+                  </button>
+                  <button
+                    class="settings-primary-btn"
+                    type="button"
+                    :disabled="isSyncBusy || syncConfig.provider === 'none' || !workspacePath"
+                    @click="runSyncNow"
+                  >
+                    {{ syncRunning ? '同步中' : '立即同步' }}
+                  </button>
+                </div>
+              </div>
+            </section>
+          </div>
+
           <div v-else class="settings-content">
             <section class="settings-about-card" aria-label="外观设置">
               <div class="settings-row settings-row-top">
@@ -372,7 +760,9 @@ onBeforeUnmount(() => {
 .settings-shell {
   display: grid;
   grid-template-columns: 176px minmax(0, 1fr);
+  grid-template-rows: minmax(0, 1fr);
   width: min(820px, calc(100vw - 48px));
+  height: min(680px, calc(100vh - 48px));
   min-height: 430px;
   max-height: min(680px, calc(100vh - 48px));
   overflow: hidden;
@@ -433,6 +823,7 @@ onBeforeUnmount(() => {
 
 .settings-main {
   display: flex;
+  min-height: 0;
   min-width: 0;
   flex-direction: column;
   background: var(--app-panel-bg);
@@ -480,9 +871,14 @@ onBeforeUnmount(() => {
   min-height: 0;
   flex: 1;
   overflow-y: auto;
+  overscroll-behavior: contain;
   padding: 22px;
 }
 
+.settings-sync-content {
+  scrollbar-gutter: stable;
+}
+
 .settings-about-card {
   overflow: hidden;
   border-radius: 10px;
@@ -592,6 +988,21 @@ onBeforeUnmount(() => {
   background: var(--app-surface-muted);
 }
 
+.settings-primary-btn:disabled,
+.settings-secondary-btn:disabled {
+  cursor: default;
+  opacity: 0.56;
+  box-shadow: none;
+}
+
+.settings-primary-btn:disabled:hover {
+  background: var(--app-control);
+}
+
+.settings-secondary-btn:disabled:hover {
+  background: var(--app-surface);
+}
+
 .settings-status {
   color: var(--app-muted);
   font-size: 11px;
@@ -665,6 +1076,95 @@ onBeforeUnmount(() => {
   box-shadow: 0 0 0 3px color-mix(in srgb, var(--app-accent) 12%, transparent);
 }
 
+.settings-form-row {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 14px;
+  padding: 16px 20px;
+  border-top: 1px solid var(--app-border-strong);
+}
+
+.settings-field {
+  display: flex;
+  min-width: 0;
+  flex-direction: column;
+  gap: 7px;
+}
+
+.settings-field > span {
+  color: var(--app-text-soft);
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 1.2;
+}
+
+.settings-input {
+  width: 100%;
+  min-width: 0;
+  height: 32px;
+  border: 1px solid var(--app-border-strong);
+  border-radius: 6px;
+  background: var(--app-surface);
+  color: var(--app-text);
+  font-size: 13px;
+  line-height: 1;
+  padding: 0 10px;
+  box-shadow: 0 1px 4px color-mix(in srgb, var(--app-shadow) 48%, transparent);
+  outline: none;
+}
+
+.settings-input::placeholder {
+  color: var(--app-subtle);
+}
+
+.settings-input:focus {
+  border-color: var(--app-accent-muted);
+  box-shadow: 0 0 0 3px color-mix(in srgb, var(--app-accent) 12%, transparent);
+}
+
+.settings-switch-group {
+  display: flex;
+  min-width: 164px;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.settings-switch-line {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 14px;
+  color: var(--app-text-soft);
+  font-size: 12px;
+  line-height: 1;
+}
+
+.settings-sync-actions {
+  align-items: flex-start;
+}
+
+.settings-sync-log {
+  width: min(100%, 420px);
+  max-height: 138px;
+  margin-top: 10px;
+  overflow: auto;
+  border: 1px solid color-mix(in srgb, var(--app-accent) 26%, var(--app-border));
+  border-radius: 6px;
+  background: color-mix(in srgb, var(--app-accent) 7%, var(--app-surface));
+  color: var(--app-accent);
+  font-size: 12px;
+  line-height: 1.5;
+  padding: 9px 10px;
+  white-space: pre-wrap;
+  overflow-wrap: anywhere;
+}
+
+.settings-sync-log-error {
+  border-color: color-mix(in srgb, #dc2626 32%, var(--app-border));
+  background: color-mix(in srgb, #dc2626 7%, var(--app-surface));
+  color: #dc2626;
+}
+
 .theme-swatch-group {
   display: inline-flex;
   align-items: center;
@@ -727,8 +1227,11 @@ onBeforeUnmount(() => {
 
   .settings-shell {
     grid-template-columns: 1fr;
+    grid-template-rows: auto minmax(0, 1fr);
     width: 100%;
-    max-height: none;
+    height: calc(100vh - 28px);
+    max-height: calc(100vh - 28px);
+    min-height: 0;
   }
 
   .settings-menu {
@@ -751,8 +1254,16 @@ onBeforeUnmount(() => {
     gap: 12px;
   }
 
+  .settings-form-row {
+    grid-template-columns: 1fr;
+  }
+
   .settings-action-stack {
     align-items: flex-start;
   }
+
+  .settings-switch-group {
+    min-width: 0;
+  }
 }
 </style>