diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index a0aa3d8..f00c954 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -1009,6 +1009,12 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "cmov"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c9ea0ac24bc397ab3c98583a3c9ba74fa56b09a4449bbe172b9b1ddb016027a"
+
 [[package]]
 name = "color_quant"
 version = "1.1.0"
@@ -1087,12 +1093,6 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
-[[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"
@@ -1385,6 +1385,15 @@ dependencies = [
  "cipher",
 ]
 
+[[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 = "0.20.11"
@@ -1477,24 +1486,13 @@ dependencies = [
  "parking_lot_core",
 ]
 
-[[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 0.7.0",
- "zeroize",
-]
-
 [[package]]
 name = "der"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71fd89660b2dc699704064e59e9dba0147b903e85319429e131620d022be411b"
 dependencies = [
- "pem-rfc7468 1.0.0",
+ "pem-rfc7468",
  "zeroize",
 ]
 
@@ -1572,7 +1570,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer 0.10.4",
- "const-oid 0.9.6",
  "crypto-common 0.1.7",
  "subtle",
 ]
@@ -1584,8 +1581,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1dd6dbb5841937940781866fa1281a1ff7bd3bf827091440879f9994983d5c2"
 dependencies = [
  "block-buffer 0.12.0",
- "const-oid 0.10.2",
+ "const-oid",
  "crypto-common 0.2.1",
+ "ctutils",
 ]
 
 [[package]]
@@ -1891,13 +1889,12 @@ checksum = "d817e038c30374a4bcb22f94d0a8a0e216958d4c3dcde369b1439fec4bdda6e6"
 
 [[package]]
 name = "etcetera"
-version = "0.8.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "136d1b5283a1ab77bd9257427ffd09d8667ced0570b6f938942bc7568ed5b943"
+checksum = "de48cc4d1c1d97a20fd819def54b890cadde72ed3ad0c614822a0a433361be96"
 dependencies = [
  "cfg-if",
- "home",
- "windows-sys 0.48.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2051,9 +2048,9 @@ dependencies = [
 
 [[package]]
 name = "flume"
-version = "0.11.1"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da0e4dd2a88388a1f4ccc7c9ce104604dab68d9f408dc34cd45823d5a9069095"
+checksum = "5e139bc46ca777eb5efaf62df0ab8cc5fd400866427e56c68b22e414e53bd3be"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -2396,11 +2393,11 @@ dependencies = [
 
 [[package]]
 name = "hashlink"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7382cf6263419f2d8df38c55d7da83da5c18aef87fc7a7fc1fb1e344edfe14c1"
+checksum = "ea0b22561a9c04a7cb1a302c013e0259cd3b4bb619f145b32f72b8b4bcbed230"
 dependencies = [
- "hashbrown 0.15.5",
+ "hashbrown 0.16.1",
 ]
 
 [[package]]
@@ -2447,20 +2444,20 @@ dependencies = [
 
 [[package]]
 name = "hkdf"
-version = "0.12.4"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b5f8eb2ad728638ea2c7d47a21db23b7b58a72ed6a38256b8a1849f15fbbdf7"
+checksum = "4aaa26c720c68b866f2c96ef5c1264b3e6f473fe5d4ce61cd44bbe913e553018"
 dependencies = [
  "hmac",
 ]
 
 [[package]]
 name = "hmac"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+checksum = "6303bc9732ae41b04cb554b844a762b4115a61bfaa81e3e83050991eeb56863f"
 dependencies = [
- "digest 0.10.7",
+ "digest 0.11.3",
 ]
 
 [[package]]
@@ -2494,15 +2491,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "home"
-version = "0.5.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc627f471c528ff0c4a49e1d5e60450c8f6461dd6d10ba9dcd3a61d3dff7728d"
-dependencies = [
- "windows-sys 0.61.2",
-]
-
 [[package]]
 name = "html5ever"
 version = "0.35.0"
@@ -2993,9 +2981,6 @@ name = "lazy_static"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-dependencies = [
- "spin",
-]
 
 [[package]]
 name = "leb128fmt"
@@ -3074,10 +3059,7 @@ version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e02f3bb43d335493c96bf3fd3a321600bf6bd07ed34bc64118e9293bdffea46c"
 dependencies = [
- "bitflags",
  "libc",
- "plain",
- "redox_syscall 0.7.5",
 ]
 
 [[package]]
@@ -3175,7 +3157,7 @@ dependencies = [
  "indexmap",
  "itoa",
  "log",
- "md-5",
+ "md-5 0.10.6",
  "nom 8.0.0",
  "nom_locate 5.0.0",
  "rand 0.9.4",
@@ -3323,6 +3305,16 @@ dependencies = [
  "digest 0.10.7",
 ]
 
+[[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 = "memchr"
 version = "2.8.0"
@@ -3616,22 +3608,6 @@ dependencies = [
  "num-traits",
 ]
 
-[[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-complex"
 version = "0.4.6"
@@ -3862,7 +3838,7 @@ checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall 0.5.18",
+ "redox_syscall",
  "smallvec",
  "windows-link",
 ]
@@ -3947,15 +3923,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "pem-rfc7468"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
-dependencies = [
- "base64ct",
-]
-
 [[package]]
 name = "pem-rfc7468"
 version = "1.0.0"
@@ -4108,39 +4075,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
-[[package]]
-name = "pkcs1"
-version = "0.7.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
-dependencies = [
- "der 0.7.10",
- "pkcs8",
- "spki",
-]
-
-[[package]]
-name = "pkcs8"
-version = "0.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
-dependencies = [
- "der 0.7.10",
- "spki",
-]
-
 [[package]]
 name = "pkg-config"
 version = "0.3.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19f132c84eca552bf34cab8ec81f1c1dcc229b811638f9d283dceabe58c5569e"
 
-[[package]]
-name = "plain"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
-
 [[package]]
 name = "plotters"
 version = "0.3.7"
@@ -4703,15 +4643,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.7.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4666a1a60d8412eab19d94f6d13dcc9cea0a5ef4fdf6a5db306537413c661b1b"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "redox_users"
 version = "0.5.2"
@@ -4932,26 +4863,6 @@ dependencies = [
  "syn",
 ]
 
-[[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",
- "signature",
- "spki",
- "subtle",
- "zeroize",
-]
-
 [[package]]
 name = "rust-multipart-rfc7578_2"
 version = "0.9.0"
@@ -5362,13 +5273,13 @@ dependencies = [
 
 [[package]]
 name = "sha1"
-version = "0.10.6"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
+checksum = "aacc4cc499359472b4abe1bf11d0b12e688af9a805fa5e3016f9a386dc2d0214"
 dependencies = [
  "cfg-if",
- "cpufeatures 0.2.17",
- "digest 0.10.7",
+ "cpufeatures 0.3.0",
+ "digest 0.11.3",
 ]
 
 [[package]]
@@ -5433,16 +5344,6 @@ 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"
@@ -5524,16 +5425,6 @@ dependencies = [
  "lock_api",
 ]
 
-[[package]]
-name = "spki"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
-dependencies = [
- "base64ct",
- "der 0.7.10",
-]
-
 [[package]]
 name = "spm_precompiled"
 version = "0.1.4"
@@ -5548,9 +5439,9 @@ dependencies = [
 
 [[package]]
 name = "sqlx"
-version = "0.8.6"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fefb893899429669dcdd979aff487bd78f4064e5e7907e4269081e0ef7d97dc"
+checksum = "378620ccc25c62c89d8be1c819e76a88d59bdcc3304733330788948e619bfd71"
 dependencies = [
  "sqlx-core",
  "sqlx-macros",
@@ -5561,12 +5452,13 @@ dependencies = [
 
 [[package]]
 name = "sqlx-core"
-version = "0.8.6"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee6798b1838b6a0f69c007c133b8df5866302197e404e8b6ee8ed3e3a5e68dc6"
+checksum = "05b44e85bf579a8eeb4ceaa77a3a523baf2bf0e9bac7e40f405d537b5d2d5ccb"
 dependencies = [
  "base64 0.22.1",
  "bytes",
+ "cfg-if",
  "chrono",
  "crc",
  "crossbeam-queue",
@@ -5576,12 +5468,11 @@ dependencies = [
  "futures-intrusive",
  "futures-io",
  "futures-util",
- "hashbrown 0.15.5",
+ "hashbrown 0.16.1",
  "hashlink",
  "indexmap",
  "log",
  "memchr",
- "once_cell",
  "percent-encoding",
  "serde",
  "serde_json",
@@ -5597,9 +5488,9 @@ dependencies = [
 
 [[package]]
 name = "sqlx-macros"
-version = "0.8.6"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2d452988ccaacfbf5e0bdbc348fb91d7c8af5bee192173ac3636b5fb6e6715d"
+checksum = "bd2b84f2bc39a5705ef27ec785a11c934a41bbd4a24941e257927cddc26b60bf"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5610,15 +5501,15 @@ dependencies = [
 
 [[package]]
 name = "sqlx-macros-core"
-version = "0.8.6"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19a9c1841124ac5a61741f96e1d9e2ec77424bf323962dd894bdb93f37d5219b"
+checksum = "fb8d96de5fdc85a5c4ec813432b523ec637e80ba98f046555f75f7908ddac7c3"
 dependencies = [
+ "cfg-if",
  "dotenvy",
  "either",
  "heck",
  "hex",
- "once_cell",
  "proc-macro2",
  "quote",
  "serde",
@@ -5629,59 +5520,44 @@ dependencies = [
  "sqlx-postgres",
  "sqlx-sqlite",
  "syn",
+ "thiserror 2.0.18",
  "tokio",
  "url",
 ]
 
 [[package]]
 name = "sqlx-mysql"
-version = "0.8.6"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa003f0038df784eb8fecbbac13affe3da23b45194bd57dba231c8f48199c526"
+checksum = "90b8020fe17c5f2c245bfa2505d7ef59c5604839527c740266ad2214acebea27"
 dependencies = [
- "atoi",
- "base64 0.22.1",
  "bitflags",
  "byteorder",
  "bytes",
  "chrono",
  "crc",
- "digest 0.10.7",
+ "digest 0.11.3",
  "dotenvy",
  "either",
- "futures-channel",
  "futures-core",
- "futures-io",
  "futures-util",
  "generic-array",
- "hex",
- "hkdf",
- "hmac",
- "itoa",
  "log",
- "md-5",
- "memchr",
- "once_cell",
  "percent-encoding",
- "rand 0.8.6",
- "rsa",
  "serde",
  "sha1",
- "sha2 0.10.9",
- "smallvec",
+ "sha2 0.11.0",
  "sqlx-core",
- "stringprep",
  "thiserror 2.0.18",
  "tracing",
  "uuid",
- "whoami",
 ]
 
 [[package]]
 name = "sqlx-postgres"
-version = "0.8.6"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db58fcd5a53cf07c184b154801ff91347e4c30d17a3562a635ff028ad5deda46"
+checksum = "87a2bdd6e83f6b3ea525ca9fee568030508b58355a43d0b2c1674d5f79dcd65e"
 dependencies = [
  "atoi",
  "base64 0.22.1",
@@ -5697,16 +5573,14 @@ dependencies = [
  "hex",
  "hkdf",
  "hmac",
- "home",
  "itoa",
  "log",
- "md-5",
+ "md-5 0.11.0",
  "memchr",
- "once_cell",
- "rand 0.8.6",
+ "rand 0.10.1",
  "serde",
  "serde_json",
- "sha2 0.10.9",
+ "sha2 0.11.0",
  "smallvec",
  "sqlx-core",
  "stringprep",
@@ -5718,13 +5592,14 @@ dependencies = [
 
 [[package]]
 name = "sqlx-sqlite"
-version = "0.8.6"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2d12fe70b2c1b4401038055f90f151b78208de1f9f89a7dbfd41587a10c3eea"
+checksum = "488e99c397a62007e4229aec669a179816339afc6d2620ca6fa420dbee2e982c"
 dependencies = [
  "atoi",
  "chrono",
  "flume",
+ "form_urlencoded",
  "futures-channel",
  "futures-core",
  "futures-executor",
@@ -5734,7 +5609,6 @@ dependencies = [
  "log",
  "percent-encoding",
  "serde",
- "serde_urlencoded",
  "sqlx-core",
  "thiserror 2.0.18",
  "tracing",
@@ -6562,7 +6436,7 @@ checksum = "dea7109cdcd5864d4eeb1b58a1648dc9bf520360d7af16ec26d0a9354bafcfc0"
 dependencies = [
  "base64 0.22.1",
  "cookie_store",
- "der 0.8.0",
+ "der",
  "flate2",
  "log",
  "native-tls",
@@ -6731,12 +6605,6 @@ dependencies = [
  "wit-bindgen 0.51.0",
 ]
 
-[[package]]
-name = "wasite"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
-
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.120"
@@ -6909,13 +6777,9 @@ checksum = "a28ac98ddc8b9274cb41bb4d9d4d5c425b6020c50c46f25559911905610b4a88"
 
 [[package]]
 name = "whoami"
-version = "1.6.1"
+version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d4a4db5077702ca3015d3d02d74974948aba2ad9e12ab7df718ee64ccd7e97d"
-dependencies = [
- "libredox",
- "wasite",
-]
+checksum = "998767ef88740d1f5b0682a9c53c24431453923962269c2db68ee43788c5a40d"
 
 [[package]]
 name = "widestring"
@@ -7033,15 +6897,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "windows-sys"
-version = "0.48.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
-dependencies = [
- "windows-targets 0.48.5",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 51591e8..d034868 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -28,7 +28,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
 # Database
-sqlx = { version = "0.8", features = ["runtime-tokio", "sqlite", "chrono", "uuid"] }
+sqlx = { version = "0.9", features = ["runtime-tokio", "sqlite", "chrono", "uuid"] }
 
 # Caching
 moka = { version = "0.12", features = ["future"] }