add edit step + do recipe in main view, added carousel for recipe selection

README.md

@@ -3,10 +3,49 @@
 ## Install Requirements
 
 ```bash
-pip install -r requirements.txt
+uv sync
 ```
 
 ## Run
 ```bash
-python -m frontend.app
+uv run -m frontend
+```
+
+## Navigation
+
+```mermaid
+stateDiagram-v2
+    [*] --> Main
+
+    state "Main View<br>(timer + weight)" as Main
+    state "Recipe Selection<br>(carousel)" as RecipeSelection
+    state "Do Recipe<br>(step-by-step)" as DoRecipe
+    state "Edit Recipe<br>(step list)" as EditRecipe
+    state "Edit Recipe – Move Mode<br>(reorder steps)" as MoveMode
+    state "Edit Step – Type Selection<br>(list view)" as TypeSelect
+    state "Edit Step – Value Entry<br>(morse input)" as ValueEntry
+    state "Edit Step – Goal Time Entry<br>(morse input)" as GoalTime
+
+    Main --> RecipeSelection : right long press
+
+    RecipeSelection --> Main : left long press
+    RecipeSelection --> DoRecipe : right long press [on recipe → run]
+    RecipeSelection --> EditRecipe : both long press [on recipe → edit]<br>or right long press [on + → add]
+
+    DoRecipe --> Main : left long press [back]<br>or right press [last step → done]
+
+    EditRecipe --> RecipeSelection : left long press [back]<br>or right long press [on save]
+    EditRecipe --> TypeSelect : right long press [on step]<br>or right long press [on + → add step]
+    EditRecipe --> ValueEntry : right long press [on name]
+    EditRecipe --> MoveMode : both long press [on step]
+
+    MoveMode --> EditRecipe : both long press [confirm]<br>or left long press [cancel]
+
+    TypeSelect --> ValueEntry : right long press [type with value]
+    TypeSelect --> EditRecipe : right long press [type w/o value → saved]<br>or right long press [delete → deleted]<br>or left long press [back]
+
+    ValueEntry --> EditRecipe : left long press [save]<br>or left press [cancel]
+    ValueEntry --> GoalTime : left long press [WEIGH_WITH_TIMER]
+
+    GoalTime --> EditRecipe : left long press [save]<br>or left press [cancel]
 ```