diff --git a/Cargo.lock b/Cargo.lock
index 6d4e753..551289c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -105,9 +105,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.99"
+version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0674a1ddeecb70197781e945de4b3b8ffb61fa939a5597bcf48503737663100"
+checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
 
 [[package]]
 name = "arrayref"
@@ -440,9 +440,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.2.37"
+version = "1.2.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65193589c6404eb80b450d618eaf9a2cafaaafd57ecce47370519ef674a7bd44"
+checksum = "80f41ae168f955c12fb8960b057d70d0ca153fb83182b57d86380443527be7e9"
 dependencies = [
  "find-msvc-tools",
  "jobserver",
@@ -788,7 +788,7 @@ checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
 [[package]]
 name = "dpi"
 version = "0.1.1"
-source = "git+https://github.com/iced-rs/winit.git?rev=11414b6aa45699f038114e61b4ddf5102b2d3b4b#11414b6aa45699f038114e61b4ddf5102b2d3b4b"
+source = "git+https://github.com/iced-rs/winit.git?rev=05b8ff17a06562f0a10bb46e6eaacbe2a95cb5ed#05b8ff17a06562f0a10bb46e6eaacbe2a95cb5ed"
 
 [[package]]
 name = "drm"
@@ -950,9 +950,9 @@ dependencies = [
 
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fd99930f64d146689264c637b5af2f0233a933bef0d8570e2526bf9e083192d"
+checksum = "1ced73b1dacfc750a6db6c0a0c3a3853c8b41997e2e2c563dc90804ae6867959"
 
 [[package]]
 name = "fixedbitset"
@@ -1344,7 +1344,7 @@ dependencies = [
 [[package]]
 name = "iced"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "iced_core",
  "iced_debug",
@@ -1359,7 +1359,7 @@ dependencies = [
 [[package]]
 name = "iced_core"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "bitflags 2.9.4",
  "bytes",
@@ -1376,7 +1376,7 @@ dependencies = [
 [[package]]
 name = "iced_debug"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "iced_core",
  "iced_futures",
@@ -1386,7 +1386,7 @@ dependencies = [
 [[package]]
 name = "iced_futures"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "futures",
  "iced_core",
@@ -1399,7 +1399,7 @@ dependencies = [
 [[package]]
 name = "iced_graphics"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "bitflags 2.9.4",
  "bytemuck",
@@ -1417,7 +1417,7 @@ dependencies = [
 [[package]]
 name = "iced_program"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "iced_graphics",
  "iced_runtime",
@@ -1426,7 +1426,7 @@ dependencies = [
 [[package]]
 name = "iced_renderer"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "iced_graphics",
  "iced_tiny_skia",
@@ -1438,7 +1438,7 @@ dependencies = [
 [[package]]
 name = "iced_runtime"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "bytes",
  "iced_core",
@@ -1451,7 +1451,7 @@ dependencies = [
 [[package]]
 name = "iced_tiny_skia"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "bytemuck",
  "cosmic-text",
@@ -1467,7 +1467,7 @@ dependencies = [
 [[package]]
 name = "iced_wgpu"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "bitflags 2.9.4",
  "bytemuck",
@@ -1486,7 +1486,7 @@ dependencies = [
 [[package]]
 name = "iced_widget"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "iced_renderer",
  "iced_runtime",
@@ -1501,7 +1501,7 @@ dependencies = [
 [[package]]
 name = "iced_winit"
 version = "0.14.0-dev"
-source = "git+https://github.com/iced-rs/iced.git#4cd35f74628d2d05c07af6b2ccf8b86a09466274"
+source = "git+https://github.com/iced-rs/iced.git#db5a1f6353b9f8520c4f9633d1cdc90242c2afe1"
 dependencies = [
  "iced_debug",
  "iced_program",
@@ -1524,9 +1524,9 @@ checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
 [[package]]
 name = "indexmap"
-version = "2.11.1"
+version = "2.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "206a8042aec68fa4a62e8d3f7aa4ceb508177d9324faf261e1959e495b7a1921"
+checksum = "4b0f83760fb341a774ed326568e19f5a863af4a952def8c39f9ab92fd95b88e5"
 dependencies = [
  "equivalent",
  "hashbrown",
@@ -1566,9 +1566,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.78"
+version = "0.3.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c0b063578492ceec17683ef2f8c5e89121fbd0b172cbc280635ab7567db2738"
+checksum = "852f13bec5eba4ba9afbeb93fd7c13fe56147f055939ae21c43a29a0ecb2702e"
 dependencies = [
  "once_cell",
  "wasm-bindgen",
@@ -2504,9 +2504,9 @@ dependencies = [
 
 [[package]]
 name = "planter-core"
-version = "0.0.3"
+version = "0.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a11a1c5d8229a6c9dc31e8d67076307eb62e1f52d31b35b7d57da0c5c0394b1"
+checksum = "ad0fb9936c9c9a37857da2b05ff5f9e085dd907068df67fa1ff276e9c2c8255c"
 dependencies = [
  "anyhow",
  "bon",
@@ -2589,9 +2589,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-crate"
-version = "3.3.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edce586971a4dfaa28950c6f18ed55e0406c1ab88bbce2c6f6293a7aaba73d35"
+checksum = "219cb19e96be00ab2e37d6e299658a0cfa83e52429179969b0f0121b4ac46983"
 dependencies = [
  "toml_edit",
 ]
@@ -2947,9 +2947,9 @@ checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
 
 [[package]]
 name = "serde"
-version = "1.0.224"
+version = "1.0.225"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6aaeb1e94f53b16384af593c71e20b095e958dab1d26939c1b70645c5cfbcc0b"
+checksum = "fd6c24dee235d0da097043389623fb913daddf92c76e9f5a1db88607a0bcbd1d"
 dependencies = [
  "serde_core",
  "serde_derive",
@@ -2957,18 +2957,18 @@ dependencies = [
 
 [[package]]
 name = "serde_core"
-version = "1.0.224"
+version = "1.0.225"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32f39390fa6346e24defbcdd3d9544ba8a19985d0af74df8501fbfe9a64341ab"
+checksum = "659356f9a0cb1e529b24c01e43ad2bdf520ec4ceaf83047b83ddcc2251f96383"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.224"
+version = "1.0.225"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87ff78ab5e8561c9a675bfc1785cb07ae721f0ee53329a595cefd8c04c2ac4e0"
+checksum = "0ea936adf78b1f766949a4977b91d2f5595825bd6ec079aa9543ad2685fc4516"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3319,18 +3319,31 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.11"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
+checksum = "32f1085dec27c2b6632b04c80b3bb1b4300d6495d1e129693bdda7d91e72eec1"
+dependencies = [
+ "serde_core",
+]
 
 [[package]]
 name = "toml_edit"
-version = "0.22.27"
+version = "0.23.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
+checksum = "f3effe7c0e86fdff4f69cdd2ccc1b96f933e24811c5441d44904e8683e27184b"
 dependencies = [
  "indexmap",
  "toml_datetime",
+ "toml_parser",
+ "winnow",
+]
+
+[[package]]
+name = "toml_parser"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cf893c33be71572e0e9aa6dd15e6677937abd686b066eac3f8cd3531688a627"
+dependencies = [
  "winnow",
 ]
 
@@ -3450,9 +3463,9 @@ checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
 
 [[package]]
 name = "unicode-width"
-version = "0.2.1"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a1a07cc7db3810833284e8d372ccdc6da29741639ecc70c9ec107df0fa6154c"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
 
 [[package]]
 name = "urlencoding"
@@ -3487,9 +3500,9 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.14.6+wasi-0.2.4"
+version = "0.14.7+wasi-0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f71243a3f320c00a8459e455c046ce571229c2f31fd11645d9dc095e3068ca0"
+checksum = "883478de20367e224c0090af9cf5f9fa85bed63a95c1abf3afc5c083ebc06e8c"
 dependencies = [
  "wasip2",
 ]
@@ -3505,9 +3518,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.101"
+version = "0.2.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e14915cadd45b529bb8d1f343c4ed0ac1de926144b746e2710f9cd05df6603b"
+checksum = "ab10a69fbd0a177f5f649ad4d8d3305499c42bab9aef2f7ff592d0ec8f833819"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -3518,9 +3531,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.101"
+version = "0.2.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e28d1ba982ca7923fd01448d5c30c6864d0a14109560296a162f80f305fb93bb"
+checksum = "0bb702423545a6007bbc368fde243ba47ca275e549c8a28617f56f6ba53b1d1c"
 dependencies = [
  "bumpalo",
  "log",
@@ -3532,9 +3545,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.51"
+version = "0.4.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ca85039a9b469b38336411d6d6ced91f3fc87109a2a27b0c197663f5144dffe"
+checksum = "a0b221ff421256839509adbb55998214a70d829d3a28c69b4a6672e9d2a42f67"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -3545,9 +3558,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.101"
+version = "0.2.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c3d463ae3eff775b0c45df9da45d68837702ac35af998361e2c84e7c5ec1b0d"
+checksum = "fc65f4f411d91494355917b605e1480033152658d71f722a90647f56a70c88a0"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -3555,9 +3568,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.101"
+version = "0.2.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7bb4ce89b08211f923caf51d527662b75bdc9c9c7aab40f86dcb9fb85ac552aa"
+checksum = "ffc003a991398a8ee604a401e194b6b3a39677b3173d6e74495eb51b82e99a32"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3568,9 +3581,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.101"
+version = "0.2.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f143854a3b13752c6950862c906306adb27c7e839f7414cec8fea35beab624c1"
+checksum = "293c37f4efa430ca14db3721dfbe48d8c33308096bd44d80ebaa775ab71ba1cf"
 dependencies = [
  "unicode-ident",
 ]
@@ -3700,9 +3713,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.78"
+version = "0.3.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77e4b637749ff0d92b8fad63aa1f7cff3cbe125fd49c175cd6345e7272638b12"
+checksum = "fbe734895e869dc429d78c4b433f8d17d95f8d05317440b4fad5ab2d33e596dc"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -4358,7 +4371,7 @@ checksum = "271414315aff87387382ec3d271b52d7ae78726f5d44ac98b4f4030c91880486"
 [[package]]
 name = "winit"
 version = "0.30.8"
-source = "git+https://github.com/iced-rs/winit.git?rev=11414b6aa45699f038114e61b4ddf5102b2d3b4b#11414b6aa45699f038114e61b4ddf5102b2d3b4b"
+source = "git+https://github.com/iced-rs/winit.git?rev=05b8ff17a06562f0a10bb46e6eaacbe2a95cb5ed#05b8ff17a06562f0a10bb46e6eaacbe2a95cb5ed"
 dependencies = [
  "ahash",
  "android-activity",
diff --git a/Cargo.toml b/Cargo.toml
index 619bb36..bf3c65e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2024"
 chrono = "0.4.42"
 iced = {features = ["advanced", "lazy"], version = "0.14.0-dev"}
 once_cell = "1.21.3"
-planter-core = "0.0.3"
+planter-core = "0.0.4"
 # planter-core = {path = "../planter-core"}
 regex = "1.11.2"
 
diff --git a/flake.lock b/flake.lock
index dcc8867..46ff368 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1757745802,
-        "narHash": "sha256-hLEO2TPj55KcUFUU1vgtHE9UEIOjRcH/4QbmfHNF820=",
+        "lastModified": 1758277210,
+        "narHash": "sha256-iCGWf/LTy+aY0zFu8q12lK8KuZp7yvdhStehhyX1v8w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c23193b943c6c689d70ee98ce3128239ed9e32d1",
+        "rev": "8eaee110344796db060382e15d3af0a9fc396e0e",
         "type": "github"
       },
       "original": {
@@ -62,11 +62,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1757930296,
-        "narHash": "sha256-Z9u5VszKs8rfEvg2AsFucWEjl7wMtAln9l1b78cfBh4=",
+        "lastModified": 1758335443,
+        "narHash": "sha256-2jaGMj32IckpZgBjn7kG4zyJl66T+2A1Fn2ppkHh91o=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "09442765a05c2ca617c20ed68d9613da92a2d96b",
+        "rev": "f1ccb14649cf87e48051a6ac3a571b4a57d84ff3",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 5a27287..0d3b127 100644
--- a/flake.nix
+++ b/flake.nix
@@ -20,7 +20,6 @@
         devShells.default = mkShell rec {
         buildInputs = [
             bacon
-            cargo-udeps
             cargo-edit
             rust-analyzer
             cargo-deny
diff --git a/src/ui/tasks_page.rs b/src/ui/tasks_page.rs
index c231302..22b617c 100644
--- a/src/ui/tasks_page.rs
+++ b/src/ui/tasks_page.rs
@@ -60,6 +60,8 @@ impl Default for TasksState {
     }
 }
 
+const DATE_FORMAT: &str = "%Y-%m-%d %H:%M";
+
 pub fn update(state: &mut TasksState, project: &mut Project, message: TasksMessage) {
     match message {
         TasksMessage::UpdateName(i, n) => {
@@ -75,26 +77,28 @@ pub fn update(state: &mut TasksState, project: &mut Project, message: TasksMessa
             project.task_mut(i).unwrap().toggle_completed();
         }
         TasksMessage::UpdateStart(i, s) => {
-            if let Ok(date) = NaiveDateTime::parse_from_str(&s, "%Y-%m-%d %H:%M") {
-                project.task_mut(i).unwrap().edit_start(date.and_utc());
-                if let Some(duration) = project.task_mut(i).unwrap().duration() {
-                    state.repr[i].duration = duration.to_string();
-                    state.repr[i].duration = format!("{} hour(s)", duration.num_hours());
-                }
-                state.repr[i].is_start_err = false;
+            if let Ok(date) = NaiveDateTime::parse_from_str(&s, DATE_FORMAT)
+                && project
+                    .task_mut(i)
+                    .unwrap()
+                    .edit_start(date.and_utc())
+                    .is_ok()
+            {
+                update_start_finish_duration(state, project, i);
             } else {
                 state.repr[i].is_start_err = true;
             }
             state.repr[i].start = s;
         }
         TasksMessage::UpdateFinish(i, s) => {
-            if let Ok(date) = NaiveDateTime::parse_from_str(&s, "%Y-%m-%d %H:%M") {
-                project.task_mut(i).unwrap().edit_finish(date.and_utc());
-                if let Some(duration) = project.task_mut(i).unwrap().duration() {
-                    state.repr[i].duration = format!("{} hour(s)", duration.num_hours());
-                }
-
-                state.repr[i].is_finish_err = false;
+            if let Ok(date) = NaiveDateTime::parse_from_str(&s, DATE_FORMAT)
+                && project
+                    .task_mut(i)
+                    .unwrap()
+                    .edit_finish(date.and_utc())
+                    .is_ok()
+            {
+                update_start_finish_duration(state, project, i);
             } else {
                 state.repr[i].is_finish_err = true;
             }
@@ -103,7 +107,7 @@ pub fn update(state: &mut TasksState, project: &mut Project, message: TasksMessa
         TasksMessage::UpdateDuration(i, d) => {
             if let Ok(duration) = PositiveDuration::parse_from_str(&d) {
                 project.task_mut(i).unwrap().edit_duration(duration);
-                state.repr[i].is_duration_err = false;
+                update_start_finish_duration(state, project, i);
             } else {
                 state.repr[i].is_duration_err = true;
             }
@@ -183,6 +187,23 @@ pub fn update(state: &mut TasksState, project: &mut Project, message: TasksMessa
     }
 }
 
+fn update_start_finish_duration(state: &mut TasksState, project: &Project, task_index: usize) {
+    let task = project.task(task_index).unwrap();
+
+    if let Some(start) = task.start() {
+        state.repr[task_index].start = start.naive_local().format(DATE_FORMAT).to_string();
+        state.repr[task_index].is_start_err = false;
+    }
+    if let Some(finish) = task.finish() {
+        state.repr[task_index].finish = finish.naive_local().format(DATE_FORMAT).to_string();
+        state.repr[task_index].is_finish_err = false;
+    }
+    if let Some(duration) = task.duration() {
+        state.repr[task_index].duration = format!("{} h", duration.num_hours());
+        state.repr[task_index].is_duration_err = false;
+    }
+}
+
 fn update_repr(state: &mut TasksState, project: &mut Project) {
     state.repr.clear();
 
@@ -256,9 +277,11 @@ fn parse_indices(s: &str) -> Option<Vec<usize>> {
         Some(
             s.split(';')
                 .map(|index_s| {
-                    index_s.parse::<usize>().unwrap_or_else(|_| panic!(
+                    index_s.parse::<usize>().unwrap_or_else(|_| {
+                        panic!(
                         "It should have been possible to parse {index_s} as usize. This is a bug."
-                    ))
+                    )
+                    })
                 })
                 .collect(),
         )