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+# About
+
+`timr-tui` is a TUI to maintain productivity and focus by providing different timers: Pomodoro, Countdown, Timer, Events.
+
+Built with Rust using `Ratatui` as the main library.
+
+# Development, Build, Tests
+
+Check [README](./README.md) chapter `Development` to get all information about how to run, build, test the app.
+
+# Code Guidelines
+
+- Idiomatic Rust everywhere
+- DRY whenever it makes sense
+- Rare or no comments are preferred instead of commenting everything which the code already describes
+- Keep tests compact and simple
+
+# Agent Guidelines
+
+- Keep your answers compact, but explicit. An user will ask if something is missing.
+- For complex tasks provide a plan.
+- Structure plans as small as possible.
+- Solve complex problems step by step, never all at once.
+- Act as a pair programmer, not as a vibe-coding provider. That's an user should guide you, not the opposite. Always ask if something is not clear to you.
diff --git a/README.md b/README.md
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 # timr-tui
 
-TUI to organize your time: Pomodoro, Countdown, Timer.
+TUI to organize your time: Pomodoro, Countdown, Timer, Event.
 
-- `[t]imer` Check the time on anything you are you doing.
-- `[c]ountdown` Use it for your workout, yoga session, meditation, handstand or whatever.
-- `[p]omodoro` Organize your working time to be focused all the time by following the [Pomodoro Technique](https://en.wikipedia.org/wiki/Pomodoro_Technique).
+- `[1] countdown` Use it for your workout, yoga/breathing sessions, meditation, handstand or whatever.
+- `[2] timer` Check the time on anything you are you doing.
+- `[3] pomodoro` Organize your working time to be focused all the time by following the [Pomodoro Technique](https://en.wikipedia.org/wiki/Pomodoro_Technique).
+- `[4] event` Count the time for any event in the future or past.
 
 Built with [Ratatui](https://ratatui.rs/) / [Rust 🦀](https://www.rust-lang.org/).