diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index b0ee9b59..5df5ef60 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -17,6 +17,17 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
 
+[[package]]
+name = "ahash"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "891477e0c6a8957309ee5c45a6368af3ae14bb510732d2684ffa19af310920f9"
+dependencies = [
+ "getrandom 0.2.15",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "ahash"
 version = "0.8.11"
@@ -46,7 +57,7 @@ version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b0e3b97a21e41ec5c19bfd9b4fc1f7086be104f8b988681230247ffc91cc8ed"
 dependencies = [
- "axum",
+ "axum 0.7.9",
  "axum-extra",
  "bytes",
  "cfg-if",
@@ -69,8 +80,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b8f5c830a08754addfa31fa09e6c183bac8d2ae7bd007131f9eb84fcb87a40e"
 dependencies = [
  "aide",
- "axum",
- "axum_typed_multipart",
+ "axum 0.7.9",
+ "axum_typed_multipart 0.11.2",
  "indexmap",
  "schemars",
 ]
@@ -155,6 +166,12 @@ dependencies = [
  "backtrace",
 ]
 
+[[package]]
+name = "arrayvec"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
+
 [[package]]
 name = "async-trait"
 version = "0.1.85"
@@ -188,7 +205,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
 dependencies = [
  "async-trait",
- "axum-core",
+ "axum-core 0.4.5",
  "axum-macros",
  "base64 0.22.1",
  "bytes",
@@ -199,7 +216,7 @@ dependencies = [
  "hyper",
  "hyper-util",
  "itoa",
- "matchit",
+ "matchit 0.7.3",
  "memchr",
  "mime",
  "multer",
@@ -220,6 +237,41 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "axum"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de45108900e1f9b9242f7f2e254aa3e2c029c921c258fe9e6b4217eeebd54288"
+dependencies = [
+ "axum-core 0.5.2",
+ "bytes",
+ "form_urlencoded",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "itoa",
+ "matchit 0.8.4",
+ "memchr",
+ "mime",
+ "multer",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "serde_json",
+ "serde_path_to_error",
+ "serde_urlencoded",
+ "sync_wrapper",
+ "tokio",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "axum-core"
 version = "0.4.5"
@@ -241,14 +293,34 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "axum-core"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68464cd0412f486726fb3373129ef5d2993f90c34bc2bc1c1e9943b2f4fc7ca6"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "http",
+ "http-body",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "rustversion",
+ "sync_wrapper",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "axum-extra"
 version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c794b30c904f0a1c2fb7740f7df7f7972dfaa14ef6f57cb6178dc63e5dca2f04"
 dependencies = [
- "axum",
- "axum-core",
+ "axum 0.7.9",
+ "axum-core 0.4.5",
  "bytes",
  "fastrand",
  "futures-util",
@@ -273,7 +345,7 @@ checksum = "fcffe29ca1b60172349fea781ec34441d598809bd227ccbb5bf5dc2879cd9c78"
 dependencies = [
  "aide",
  "async-trait",
- "axum",
+ "axum 0.7.9",
  "http",
  "http-body",
  "itertools",
@@ -303,8 +375,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb5a5d7e98a19e7ce06e96827ad86c1d75e9cb20ede5a70645dec2359a66cb7a"
 dependencies = [
  "anyhow",
- "axum",
- "axum_typed_multipart_macros",
+ "axum 0.7.9",
+ "axum_typed_multipart_macros 0.11.2",
  "bytes",
  "chrono",
  "futures-core",
@@ -315,6 +387,27 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "axum_typed_multipart"
+version = "0.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "760cf4fe5d984ade7a516ef405df575e6c9fcfab49f20dc64589daa9a447b60a"
+dependencies = [
+ "anyhow",
+ "async-trait",
+ "axum 0.8.3",
+ "axum_typed_multipart_macros 0.15.1",
+ "bytes",
+ "chrono",
+ "futures-core",
+ "futures-util",
+ "rust_decimal",
+ "tempfile",
+ "thiserror 2.0.12",
+ "tokio",
+ "uuid",
+]
+
 [[package]]
 name = "axum_typed_multipart_macros"
 version = "0.11.2"
@@ -329,6 +422,20 @@ dependencies = [
  "ubyte",
 ]
 
+[[package]]
+name = "axum_typed_multipart_macros"
+version = "0.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eeffbb473f8141b23eff5deb5ea76d24b23eddefe1a25c3841cc4a3c373b7b53"
+dependencies = [
+ "darling",
+ "heck",
+ "proc-macro-error2",
+ "quote",
+ "syn 2.0.90",
+ "ubyte",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.74"
@@ -386,6 +493,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bitvec"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc2832c24239b0141d5674bb9174f9d68a8b5b3f2753311927c172ca46f7e9c"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -395,12 +514,57 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "borsh"
+version = "1.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad8646f98db542e39fc66e68a20b2144f6a732636df7c2354e74645faaa433ce"
+dependencies = [
+ "borsh-derive",
+ "cfg_aliases",
+]
+
+[[package]]
+name = "borsh-derive"
+version = "1.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fdd1d3c0c2f5833f22386f252fe8ed005c7f59fdcddeef025c01b4c3b9fd9ac3"
+dependencies = [
+ "once_cell",
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
 
+[[package]]
+name = "bytecheck"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23cdc57ce23ac53c931e88a43d06d070a6fd142f2617be5855eb75efc9beb1c2"
+dependencies = [
+ "bytecheck_derive",
+ "ptr_meta",
+ "simdutf8",
+]
+
+[[package]]
+name = "bytecheck_derive"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3db406d29fbcd95542e92559bed4d8ad92636d1ca8b3b72ede10b4bcc010e659"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "bytecount"
 version = "0.6.8"
@@ -434,6 +598,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "cfg_aliases"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
+
 [[package]]
 name = "chrono"
 version = "0.4.40"
@@ -819,6 +989,12 @@ dependencies = [
  "num",
 ]
 
+[[package]]
+name = "funty"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
+
 [[package]]
 name = "futures"
 version = "0.3.31"
@@ -960,6 +1136,15 @@ version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+dependencies = [
+ "ahash 0.7.8",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.15.2"
@@ -977,7 +1162,7 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7382cf6263419f2d8df38c55d7da83da5c18aef87fc7a7fc1fb1e344edfe14c1"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.15.2",
 ]
 
 [[package]]
@@ -1299,7 +1484,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "62f822373a4fe84d4bb149bf54e584a7f4abec90e072ed49cda0edea5b95471f"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.15.2",
  "serde",
 ]
 
@@ -1362,7 +1547,7 @@ version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a071f4f7efc9a9118dfb627a0a94ef247986e1ab8606a4c806ae2b3aa3b6978"
 dependencies = [
- "ahash",
+ "ahash 0.8.11",
  "anyhow",
  "base64 0.21.7",
  "bytecount",
@@ -1465,6 +1650,12 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
 
+[[package]]
+name = "matchit"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47e1ffaa40ddd1f3ed91f717a33c8c0ee23fff369e3aa8772b9605cc1d22f4c3"
+
 [[package]]
 name = "md-5"
 version = "0.10.6"
@@ -1812,6 +2003,15 @@ dependencies = [
  "yansi",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edce586971a4dfaa28950c6f18ed55e0406c1ab88bbce2c6f6293a7aaba73d35"
+dependencies = [
+ "toml_edit",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1836,6 +2036,28 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "proc-macro-error-attr2"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96de42df36bb9bba5542fe9f1a054b8cc87e172759a1868aa05c1f3acc89dfc5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+]
+
+[[package]]
+name = "proc-macro-error2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11ec05c52be0a07b08061f7dd003e7d7092e0472bc731b4af7bb1ef876109802"
+dependencies = [
+ "proc-macro-error-attr2",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.92"
@@ -1845,6 +2067,26 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "ptr_meta"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0738ccf7ea06b608c10564b31debd4f5bc5e197fc8bfe088f68ae5ce81e7a4f1"
+dependencies = [
+ "ptr_meta_derive",
+]
+
+[[package]]
+name = "ptr_meta_derive"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16b845dbfca988fa33db069c0e230574d15a3088f147a87b64c7589eb662c9ac"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.37"
@@ -1860,6 +2102,12 @@ version = "5.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
 
+[[package]]
+name = "radium"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -1984,6 +2232,44 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
+name = "rend"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71fe3824f5629716b1589be05dacd749f6aa084c87e00e016714a8cdfccc997c"
+dependencies = [
+ "bytecheck",
+]
+
+[[package]]
+name = "rkyv"
+version = "0.7.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9008cd6385b9e161d8229e1f6549dd23c3d022f132a2ea37ac3a10ac4935779b"
+dependencies = [
+ "bitvec",
+ "bytecheck",
+ "bytes",
+ "hashbrown 0.12.3",
+ "ptr_meta",
+ "rend",
+ "rkyv_derive",
+ "seahash",
+ "tinyvec",
+ "uuid",
+]
+
+[[package]]
+name = "rkyv_derive"
+version = "0.7.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "503d1d27590a2b0a3a4ca4c94755aa2875657196ecbf401a42eff41d7de532c0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "rsa"
 version = "0.9.7"
@@ -2004,6 +2290,22 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rust_decimal"
+version = "1.37.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "faa7de2ba56ac291bd90c6b9bece784a52ae1411f9506544b3eae36dd2356d50"
+dependencies = [
+ "arrayvec",
+ "borsh",
+ "bytes",
+ "num-traits",
+ "rand 0.8.5",
+ "rkyv",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.24"
@@ -2093,6 +2395,12 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "seahash"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
+
 [[package]]
 name = "serde"
 version = "1.0.219"
@@ -2152,7 +2460,7 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd34f36fe4c5ba9654417139a9b3a20d2e1de6012ee678ad14d240c22c78d8d6"
 dependencies = [
- "axum",
+ "axum 0.7.9",
  "futures",
  "percent-encoding",
  "serde",
@@ -2240,6 +2548,12 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "simdutf8"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
+
 [[package]]
 name = "similar"
 version = "2.6.0"
@@ -2322,7 +2636,7 @@ dependencies = [
  "futures-intrusive",
  "futures-io",
  "futures-util",
- "hashbrown",
+ "hashbrown 0.15.2",
  "hashlink",
  "indexmap",
  "log",
@@ -2524,6 +2838,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
+ "quote",
  "unicode-ident",
 ]
 
@@ -2558,10 +2873,10 @@ dependencies = [
  "aide",
  "aide-axum-typed-multipart",
  "anyhow",
- "axum",
+ "axum 0.7.9",
  "axum-extra",
  "axum-jsonschema",
- "axum_typed_multipart",
+ "axum_typed_multipart 0.15.1",
  "chrono",
  "clap",
  "clap-verbosity-flag",
@@ -2601,6 +2916,12 @@ dependencies = [
  "syn 2.0.90",
 ]
 
+[[package]]
+name = "tap"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
+
 [[package]]
 name = "tempfile"
 version = "3.14.0"
@@ -2804,6 +3125,23 @@ dependencies = [
  "tungstenite",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+
+[[package]]
+name = "toml_edit"
+version = "0.22.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17b4795ff5edd201c7cd6dca065ae59972ce77d1b80fa0a84d94950ece7d1474"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "tower"
 version = "0.5.2"
@@ -3375,6 +3713,15 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "winnow"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e97b544156e9bebe1a0ffbc03484fc1ffe3100cbce3ffb17eac35f7cdd7ab36"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "wit-bindgen-rt"
 version = "0.39.0"
@@ -3396,6 +3743,15 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51"
 
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
+]
+
 [[package]]
 name = "yansi"
 version = "1.0.1"
diff --git a/backend/sync_server/Cargo.toml b/backend/sync_server/Cargo.toml
index cce5b636..a5bcc63e 100644
--- a/backend/sync_server/Cargo.toml
+++ b/backend/sync_server/Cargo.toml
@@ -19,7 +19,7 @@ anyhow =  { version = "1.0.97", features = ["backtrace"] }
 axum = { version = "0.7.4", features = ["ws", "macros", "tracing", "multipart"]}
 axum-extra = { version = "0.9.6", features = ["typed-header"] }
 aide-axum-typed-multipart = "0.13.0"
-axum_typed_multipart = "0.11.0"
+axum_typed_multipart = "0.15.1"
 tower-http = { version = "0.6.1", features = ["cors", "trace", "limit", "timeout"] }
 tracing-subscriber = { version = "0.3.19", features = ["fmt", "env-filter"]}
 serde_yaml = "0.9.34"