diff --git a/flake.nix b/flake.nix
index 79e3a0f..c3fa77f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,8 +24,6 @@
             rustc
             cargo
             rust-analyzer
-
-            sqlx-cli
           ];
 
           RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
diff --git a/koucha/.gitignore b/koucha/.gitignore
index 6dfb7e0..ea8c4bf 100644
--- a/koucha/.gitignore
+++ b/koucha/.gitignore
@@ -1,2 +1 @@
-*.db
 /target
diff --git a/koucha/Cargo.lock b/koucha/Cargo.lock
index 1fb6b65..f4dd308 100644
--- a/koucha/Cargo.lock
+++ b/koucha/Cargo.lock
@@ -2,30 +2,6 @@
 # It is not intended for manual editing.
 version = 4
 
-[[package]]
-name = "allocator-api2"
-version = "0.2.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
-
-[[package]]
-name = "android_system_properties"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "atoi"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f28d99ec8bfea296261ca1af174f24225171fea9664ba9003cbebee704810528"
-dependencies = [
- "num-traits",
-]
-
 [[package]]
 name = "atom_syndication"
 version = "0.12.7"
@@ -131,29 +107,11 @@ 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 = "bitflags"
 version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
-dependencies = [
- "serde_core",
-]
-
-[[package]]
-name = "block-buffer"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
-dependencies = [
- "generic-array",
-]
 
 [[package]]
 name = "bumpalo"
@@ -161,12 +119,6 @@ version = "3.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
 
-[[package]]
-name = "byteorder"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
-
 [[package]]
 name = "bytes"
 version = "1.11.0"
@@ -209,11 +161,7 @@ version = "0.4.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fac4744fb15ae8337dc853fee7fb3f4e48c0fbaa23d0afe49c447b4fab126118"
 dependencies = [
- "iana-time-zone",
- "js-sys",
  "num-traits",
- "wasm-bindgen",
- "windows-link",
 ]
 
 [[package]]
@@ -235,21 +183,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "concurrent-queue"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
-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 = "core-foundation"
 version = "0.9.4"
@@ -276,55 +209,6 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
-[[package]]
-name = "cpufeatures"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "crc"
-version = "3.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5eb8a2a1cd12ab0d987a5d5e825195d372001a4094a0376319d5a0ad71c1ba0d"
-dependencies = [
- "crc-catalog",
-]
-
-[[package]]
-name = "crc-catalog"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
-
-[[package]]
-name = "crossbeam-queue"
-version = "0.3.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f58bbc28f91df819d0aa2a2c00cd19754769c2fad90579b3592b1c9ba7a3115"
-dependencies = [
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
-
-[[package]]
-name = "crypto-common"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
-dependencies = [
- "generic-array",
- "typenum",
-]
-
 [[package]]
 name = "darling"
 version = "0.20.11"
@@ -360,17 +244,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "der"
-version = "0.7.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7c1832837b905bbfb5101e07cc24c8deddf52f93225eee6ead5f4d63d53ddcb"
-dependencies = [
- "const-oid",
- "pem-rfc7468",
- "zeroize",
-]
-
 [[package]]
 name = "derive_builder"
 version = "0.20.2"
@@ -402,18 +275,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "digest"
-version = "0.10.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
-dependencies = [
- "block-buffer",
- "const-oid",
- "crypto-common",
- "subtle",
-]
-
 [[package]]
 name = "diligent-date-parser"
 version = "0.1.5"
@@ -434,27 +295,12 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "dotenvy"
-version = "0.15.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
-
 [[package]]
 name = "dunce"
 version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92773504d58c093f6de2459af4af33faa518c13451eb8f2b5698ed3d36e7c813"
 
-[[package]]
-name = "either"
-version = "1.15.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.35"
@@ -477,29 +323,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
-]
-
-[[package]]
-name = "etcetera"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "136d1b5283a1ab77bd9257427ffd09d8667ced0570b6f938942bc7568ed5b943"
-dependencies = [
- "cfg-if",
- "home",
- "windows-sys 0.48.0",
-]
-
-[[package]]
-name = "event-listener"
-version = "5.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e13b66accf52311f30a0db42147dadea9850cb48cd070028831ae5f5d4b856ab"
-dependencies = [
- "concurrent-queue",
- "parking",
- "pin-project-lite",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -508,29 +332,12 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f449e6c6c08c865631d4890cfacf252b3d396c9bcc83adb6623cdb02a8336c41"
 
-[[package]]
-name = "flume"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da0e4dd2a88388a1f4ccc7c9ce104604dab68d9f408dc34cd45823d5a9069095"
-dependencies = [
- "futures-core",
- "futures-sink",
- "spin",
-]
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
-[[package]]
-name = "foldhash"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
-
 [[package]]
 name = "form_urlencoded"
 version = "1.2.2"
@@ -553,7 +360,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
 dependencies = [
  "futures-core",
- "futures-sink",
 ]
 
 [[package]]
@@ -562,34 +368,6 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
 
-[[package]]
-name = "futures-executor"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
-dependencies = [
- "futures-core",
- "futures-task",
- "futures-util",
-]
-
-[[package]]
-name = "futures-intrusive"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d930c203dd0b6ff06e0201a4a2fe9149b43c684fd4420555b26d21b1a02956f"
-dependencies = [
- "futures-core",
- "lock_api",
- "parking_lot",
-]
-
-[[package]]
-name = "futures-io"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
-
 [[package]]
 name = "futures-sink"
 version = "0.3.31"
@@ -609,23 +387,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
 dependencies = [
  "futures-core",
- "futures-io",
- "futures-sink",
  "futures-task",
- "memchr",
  "pin-project-lite",
  "pin-utils",
- "slab",
-]
-
-[[package]]
-name = "generic-array"
-version = "0.14.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
-dependencies = [
- "typenum",
- "version_check",
 ]
 
 [[package]]
@@ -674,71 +438,12 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.15.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
-dependencies = [
- "allocator-api2",
- "equivalent",
- "foldhash",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 
-[[package]]
-name = "hashlink"
-version = "0.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7382cf6263419f2d8df38c55d7da83da5c18aef87fc7a7fc1fb1e344edfe14c1"
-dependencies = [
- "hashbrown 0.15.5",
-]
-
-[[package]]
-name = "heck"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
-
-[[package]]
-name = "hex"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
-
-[[package]]
-name = "hkdf"
-version = "0.12.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b5f8eb2ad728638ea2c7d47a21db23b7b58a72ed6a38256b8a1849f15fbbdf7"
-dependencies = [
- "hmac",
-]
-
-[[package]]
-name = "hmac"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
-dependencies = [
- "digest",
-]
-
-[[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 = "http"
 version = "1.4.0"
@@ -849,30 +554,6 @@ dependencies = [
  "windows-registry",
 ]
 
-[[package]]
-name = "iana-time-zone"
-version = "0.1.64"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33e57f83510bb73707521ebaffa789ec8caf86f9657cad665b092b581d40e9fb"
-dependencies = [
- "android_system_properties",
- "core-foundation-sys",
- "iana-time-zone-haiku",
- "js-sys",
- "log",
- "wasm-bindgen",
- "windows-core",
-]
-
-[[package]]
-name = "iana-time-zone-haiku"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "icu_collections"
 version = "2.1.1"
@@ -988,7 +669,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
 dependencies = [
  "equivalent",
- "hashbrown 0.16.1",
+ "hashbrown",
 ]
 
 [[package]]
@@ -1060,56 +741,17 @@ name = "koucha"
 version = "0.1.0"
 dependencies = [
  "axum",
- "chrono",
  "reqwest",
  "rss",
- "sqlx",
  "tokio",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-dependencies = [
- "spin",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.180"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
 
-[[package]]
-name = "libm"
-version = "0.2.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"
-
-[[package]]
-name = "libredox"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d0b95e02c851351f877147b7deea7b1afb1df71b63aa5f8270716e0c5720616"
-dependencies = [
- "bitflags",
- "libc",
- "redox_syscall 0.7.0",
-]
-
-[[package]]
-name = "libsqlite3-sys"
-version = "0.30.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e99fb7a497b1e3339bc746195567ed8d3e24945ecd636e3619d20b9de9e9149"
-dependencies = [
- "cc",
- "pkg-config",
- "vcpkg",
-]
-
 [[package]]
 name = "litemap"
 version = "0.8.1"
@@ -1143,16 +785,6 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47e1ffaa40ddd1f3ed91f717a33c8c0ee23fff369e3aa8772b9605cc1d22f4c3"
 
-[[package]]
-name = "md-5"
-version = "0.10.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
-dependencies = [
- "cfg-if",
- "digest",
-]
-
 [[package]]
 name = "memchr"
 version = "2.7.6"
@@ -1182,42 +814,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c96aba5aa877601bb3f6dd6a63a969e1f82e60646e81e71b14496995e9853c91"
 
-[[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 0.8.5",
- "smallvec",
- "zeroize",
-]
-
-[[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 = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1429034a0490724d0075ebb2bc9e875d6503c3cf69e235a8941aa757d83ef5bf"
-dependencies = [
- "autocfg",
- "num-integer",
- "num-traits",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -1225,7 +821,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
 dependencies = [
  "autocfg",
- "libm",
 ]
 
 [[package]]
@@ -1240,12 +835,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
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@@ -1264,20 +853,11 @@ checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
 dependencies = [
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+ "redox_syscall",
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@@ -1390,7 +943,7 @@ dependencies = [
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- "rand 0.9.2",
+ "rand",
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@@ -1431,35 +984,14 @@ version = "5.3.0"
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-dependencies = [
- "ppv-lite86",
- "rand_core 0.6.4",
+ "rand_chacha",
+ "rand_core",
 ]
 
 [[package]]
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-dependencies = [
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+ "rand_core",
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 [[package]]
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@@ -1560,26 +1074,6 @@ dependencies = [
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 ]
 
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@@ -1798,28 +1292,6 @@ dependencies = [
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- "cpufeatures",
- "digest",
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-
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@@ -1836,16 +1308,6 @@ dependencies = [
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@@ -1857,9 +1319,6 @@ name = "smallvec"
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@@ -1871,230 +1330,12 @@ dependencies = [
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 [[package]]
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@@ -2262,17 +1503,6 @@ dependencies = [
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@@ -2340,21 +1570,9 @@ checksum = "63e71662fa4b2a2c3a26f570f037eb95bb1f85397f3cd8076caed2f026a6d100"
 dependencies = [
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 [[package]]
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-
 [[package]]
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@@ -2427,18 +1618,6 @@ version = "1.0.4"
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-
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@@ -2473,12 +1652,6 @@ dependencies = [
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 ]
 
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@@ -2566,16 +1739,6 @@ dependencies = [
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@@ -2585,41 +1748,6 @@ dependencies = [
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 ]
 
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@@ -2664,15 +1792,6 @@ dependencies = [
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 ]
 
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@@ -2715,21 +1834,6 @@ dependencies = [
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 ]
 
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-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
-
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.6"
@@ -2793,12 +1891,6 @@ version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
 
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
-
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
@@ -2817,12 +1909,6 @@ version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
 
-[[package]]
-name = "windows_i686_gnu"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
-
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
@@ -2853,12 +1939,6 @@ version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
 
-[[package]]
-name = "windows_i686_msvc"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
-
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
@@ -2877,12 +1957,6 @@ version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
 
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
-
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
@@ -2901,12 +1975,6 @@ version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
 
-[[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
-
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
@@ -2925,12 +1993,6 @@ version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
 
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.48.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
-
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
diff --git a/koucha/Cargo.toml b/koucha/Cargo.toml
index 186198f..9a6ab17 100644
--- a/koucha/Cargo.toml
+++ b/koucha/Cargo.toml
@@ -8,5 +8,3 @@ axum = "0.8.8"
 reqwest = "0.13.1"
 rss = "2.0.12"
 tokio = { version = "1.49.0", features = ["full"] }
-sqlx = { version = "0.8.6", features = [ "runtime-tokio", "sqlite" ] }
-chrono = "0.4.43"
diff --git a/koucha/migrations/20260115003047_initial_schema.sql b/koucha/migrations/20260115003047_initial_schema.sql
deleted file mode 100644
index d437df3..0000000
--- a/koucha/migrations/20260115003047_initial_schema.sql
+++ /dev/null
@@ -1,57 +0,0 @@
--- Add migration script here
-
-PRAGMA foreign_keys = ON;
-
-CREATE TABLE users (
-  id INTEGER PRIMARY KEY,
-  name TEXT UNIQUE NOT NULL
-);
-
-CREATE TABLE channels (
-  id INTEGER PRIMARY KEY,
-  title TEXT NOT NULL,
-  link TEXT UNIQUE NOT NULL,
-  description TEXT,
-  last_fetched TEXT
-);
-
-CREATE TABLE items (
-  id INTEGER PRIMARY KEY,
-  channel_id INTEGER NOT NULL,
-  guid TEXT NOT NULL,
-  fetched_at TEXT NOT NULL,
-
-  title TEXT,
-  description TEXT,
-  content TEXT,
-
-  UNIQUE(channel_id, guid),
-  FOREIGN KEY (channel_id) REFERENCES channels(id)
-);
-
-CREATE TABLE feeds (
-  id INTEGER PRIMARY KEY,
-  user_id INTEGER NOT NULL,
-  FOREIGN KEY (user_id) REFERENCES users(id)
-);
-
-CREATE TABLE feed_channels (
-  feed_id INTEGER NOT NULL,
-  channel_id INTEGER NOT NULL,
-  -- Decay settings will go here
-  PRIMARY KEY (feed_id, channel_id),
-  FOREIGN KEY (feed_id) REFERENCES feeds(id),
-  FOREIGN KEY (channel_id) REFERENCES channels(id)
-);
-
-CREATE TABLE feed_items (
-  item_id INTEGER NOT NULL,
-  feed_id INTEGER NOT NULL,
-  score INTEGER NOT NULL,
-  archived BOOLEAN DEFAULT FALSE,
-  PRIMARY KEY (item_id, feed_id),
-  FOREIGN KEY (feed_id) REFERENCES feeds(id),
-  FOREIGN KEY (item_id) REFERENCES items(id)
-);
-CREATE INDEX idx_feed_items_score
-ON feed_items(feed_id, archived, score DESC);
diff --git a/koucha/src/lib.rs b/koucha/src/lib.rs
index 961ad1d..4d4a38b 100644
--- a/koucha/src/lib.rs
+++ b/koucha/src/lib.rs
@@ -1,227 +1,21 @@
-use std::{
-  error::Error,
-  hash::{Hash, Hasher},
+use std::error::Error;
+use reqwest::{
+  IntoUrl,
+  Client,
 };
-use reqwest::Url;
-use chrono::{
-  Utc,
-  DateTime,
-};
-
-type Result<T> = std::result::Result<T, Box<dyn Error>>;
-
-pub struct AdapterOptions {
-  database_url: String,
-}
-
-impl AdapterOptions {
-  pub fn new() -> Self {
-    Self {
-      database_url: "sqlite:test.db".to_string(),
-    }
-  }
-
-  pub fn database_url(mut self, url: &str) -> Self {
-    self.database_url = url.to_string();
-    self
-  }
-
-  pub async fn create(self) -> Result<Adapter> {
-    let db = sqlx::sqlite::SqlitePoolOptions::new()
-      .connect(&self.database_url).await?;
-    let client = reqwest::Client::new();
-
-    Ok(Adapter { db, client })
-  }
-}
-
-pub struct Adapter {
-  db: sqlx::SqlitePool,
-  client: reqwest::Client,
-}
-
-impl Adapter {
-  pub async fn get_all_users(&self) -> Result<Vec<User>> {
-    let users = sqlx::query_as!(
-      User,
-      "SELECT id, name FROM users"
-    ).fetch_all(&self.db).await?;
-
-    Ok(users)
-  }
-
-  // pub async fn update_channels(&self) -> Result<()> {
-  //
-  // }
-  // 
-  // async fn get_all_channels(&self) -> Result<Vec<impl Channel>> {
-  //   let users = sqlx::query_as!(
-  //     Channel,
-  //     "SELECT id FROM channels"
-  //   ).fetch_all(&self.db).await?;
-  //
-  //   Ok(users)
-  // }
-
-  fn get_pool(&self) -> &sqlx::SqlitePool { &self.db }
-  fn get_client(&self) -> &reqwest::client { &self.client }
-}
-
-pub struct User {
-  id: i64,
-  name: String,
-}
-
-impl User {
-  // async fn get_by_id(adapter: &Adapter, id: i64) -> Result<Self> {
-  //   let user = sqlx::query!("SELECT name FROM users WHERE id = ?", id)
-  //     .fetch_one(adapter.get_pool()).await?;
-  //
-  //   Ok(Self {
-  //     id: id,
-  //     name: user.name,
-  //   })
-  // }
-
-  pub async fn create(adapter: &Adapter, name: &str) -> Result<Self> {
-    let result = sqlx::query!("INSERT INTO users (name) VALUES (?)", name)
-      .execute(adapter.get_pool()).await?;
-
-    Ok(Self {
-      id: result.last_insert_rowid(),
-      name: name.to_string()
-    })
-  }
-
-  pub async fn change_name(
-      &mut self, adapter: &Adapter, new_name: &str) -> Result<()> {
-    sqlx::query!(
-      "UPDATE users SET name = ? WHERE id = ?",
-      new_name, self.id
-    ).execute(adapter.get_pool()).await?;
-
-    self.name = new_name.to_string();
-
-    Ok(())
-  }
-
-  pub async fn get_feeds(&self, adapter: &Adapter) -> Result<Vec<Feed>> {
-    let feeds = sqlx::query_as!(
-        Feed,
-        "SELECT id FROM feeds WHERE user_id = ?",
-        self.id
-      ).fetch_all(adapter.get_pool()).await?;
-
-    Ok(feeds)
-  }
-
-  pub fn name(&self) -> &str { &self.name }
-}
-
-pub struct Feed {
-  id: i64,
-}
-
-impl Feed {
-  pub async fn get_items(
-    &self, adapter: &Adapter, limit: u8, offset: u32) -> Result<Vec<Item>> {
-    let items = sqlx::query_as!(
-      Item,
-      "SELECT item_id as id FROM feed_items 
-       WHERE feed_id = ? AND archived = FALSE
-       ORDER BY score DESC
-       LIMIT ? OFFSET ?",
-      self.id, limit, offset
-    ).fetch_all(adapter.get_pool()).await?;
-
-    Ok(items)
-  }
-
-  pub async fn get_channels(&self, adapter: &Adapter) -> Result<Vec<Channel>> {
-    let db_channels = sqlx::query!(
-      "SELECT c.id as `id!`, c.title, c.link, c.description, c.last_fetched
-       FROM channels c
-       JOIN feed_channels fc on c.id = fc.channel_id
-       WHERE fc.feed_id = ?",
-      self.id
-    ).fetch_all(adapter.get_pool()).await?;
-    let mut channels = Vec::with_capacity(db_channels.len());
-    for db_channel in db_channels {
-      channels.push(Channel {
-        id: db_channel.id,
-        title: db_channel.title,
-        link: Url::parse(&db_channel.link)?,
-        description: db_channel.description,
-        last_fetched: db_channel.last_fetched.as_deref()
-          .map(DateTime::parse_from_rfc2822)
-          .transpose()?
-          .map(|dt| dt.with_timezone(&Utc)),
-      })
-    }
-    Ok(channels)
-  }
-}
+use rss::Channel as RawChannel;
 
 pub struct Channel {
-  id: i64,
-  title: String,
-  link: Url,
-  description: Option<String>,
-  last_fetched: Option<DateTime<Utc>>,
+  pub channel: rss::Channel,
 }
 
-impl Channel {
-  pub async fn fetch(mut self, adapter: &Adapter) -> Result<Self> {
-    let bytestream = adapter.get_client().get(self.link.clone())
-      .send().await?
-      .bytes().await?;
+pub async fn fetch_channel<T: IntoUrl>(
+  client: &Client, url: T) -> Result<Channel, Box<dyn Error>> {
+  let content = client.get(url)
+    .send().await?
+    .bytes().await?;
 
-    let rss_channel = rss::Channel::read_from(&bytestream[..])?;
-    self.title = rss_channel.title;
-    self.link = Url::parse(&rss_channel.link)?;
-    self.description = Some(rss_channel.description);
-    let now = Utc::now();
-    self.last_fetched = Some(now);
-
-    sqlx::query!(
-      "UPDATE channels
-       SET title = ?, link = ?, description = ?, 
-        last_fetched = ?
-       WHERE id = ?",
-      self.title, self.link.as_str(), self.description, now.to_rfc2822(),
-      self.id
-    ).execute(adapter.get_pool()).await?;
-
-    fn get_or_create_guid(item: &rss::Item) -> String {
-      if let Some(guid) = item.guid() {
-        return guid.value().to_string();
-      }
-
-      let mut hasher = std::collections::hash_map::DefaultHasher::new();
-      item.link().unwrap_or("").hash(&mut hasher);
-      item.title().unwrap_or("").hash(&mut hasher);
-      item.description().unwrap_or("").hash(&mut hasher);
-
-      format!("gen-{:x}", hasher.finish())
-    }
-
-    for item in rss_channel.items {
-      sqlx::query!(
-        "INSERT OR IGNORE INTO items
-         (channel_id, guid, fetched_at, title, description, content)
-         VALUES (?, ?, ?, ?, ?, ?)",
-        self.id, get_or_create_guid(&item), now.to_rfc2822(),
-        item.title().unwrap_or(""), item.description().unwrap_or(""),
-        item.content().unwrap_or("")
-      )
-      .execute(adapter.get_pool())
-      .await?;
-    }
-
-    Ok(self)
-  }
-}
-
-pub struct Item {
-  id: i64,
+  let raw_channel = RawChannel::read_from(&content[..])?;
+  println!("{}", raw_channel.title);
+  Ok(Channel { channel: raw_channel })
 }