Add the changelog.

content/changelog/2024.0615/index.md

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+---
+title: "2024.0615"
+date: 2024-06-15
+---
+
+## Achievement
+
+- Able to save the beatmap for debug purpose.  
+  ![](res/2024-06-15-12-07-51.png)
+- Improve `recording time-tag` experiance in the lyric editor
+- Improve `create/remove time-tag` experiance in the lyric editor.
+- Add the `architecture test` for this project.
+- Start feeding this pet again.  
+  ![](res/2024-06-15-11-59-12.png)
+
+## ARC
+
+- Add the `architecture test` for this project. [karaoke](#2232@andy840119)
+- Add more strict check about test assert usage and naming. [karaoke](#2234@andy840119)
+
+## Beatmap
+
+- Lyric start/end time should be `nullable` if there's no time-tag with time in the lyric. [karaoke](#2221@andy840119)
+
+## Code quality
+
+- Prevent using `*component = *namespace` as possible. [karaoke](#2240@andy840119)
+
+## Editor
+
+- Fix note popover cannot pop-up in the main editor. [karaoke](#2011#2210@andy840119)
+- Should be able to save beatmap into json format in the editor. [karaoke](#2211#2212@andy840119)
+  > For debug purpose, still need to wait lazer provider official save/load method and official format.
+- Refactor the import screen stack. [karaoke](#2215@andy840119)
+- Migrate the import lyric header to the new style. [karaoke](#2214#2216#2218@andy840119)  
+  ![](res/2024-06-15-12-08-32.png)
+- Implement the drawable for the time-tag object. [karaoke](#2226@andy840119)
+  > We need an drawable to show the time-tag staus like it's start or end time-tag, has time or not.
+  > And it has tooltip to display those infos as default.
+- Improvement of time-tag recording mode in the lyric editor. [karaoke](#2207@andy840119)
+  > The main improvement is to let user easy to know which time-tag they are recording, and what's the next one.
+  - Implement `drawable caret` to show how many time-tags in the character. [karaoke](#2219@andy840119)  
+    ![](res/2024-06-15-11-18-04.png)
+  - Implement this cool tap area for the recording mode. [karaoke](#2222@andy840119)  
+    ![](res/2024-06-15-11-20-35.png)
+  - Let the tap area able to show the time-tag amount in the focused lyric. [karaoke](#2223@andy840119)  
+    ![](res/2024-06-15-11-21-48.png)
+  - Improve `recording timeline area`. For now, it's able to see the focused time-tag and which time-tag has no time. [karaoke](#2224@andy840119)  
+    ![](res/2024-06-15-11-22-57.png)
+- Improve experiance for create/remove the time-tag in the lyric editor. [karaoke](#2225@andy840119)
+
+  > The main issue is that user might know how to create the time-tag if there's no UI, and there's no easy to konw how may time-tag is attached to the character.
+  > So we create the UI for time-tag visualization, and user is able to create/remove the time-tag by click the create button in the UI.
+  > Also, we adjust the flow to indicate user to create/remove the time-tag by keyborad because it's much more faster.
+
+  - Able to create/remove the caret by UI. [karaoke](#2227@andy840119)
+
+    > I know it's ugly, but I'm not good at UX ;\_;
+
+    ![](res/2024-06-15-11-33-55.png)
+
+  - Remove modify time tag mode because it's not that useful. [karaoke](#2239@andy840119)
+
+- Use tab control for the edit step section in the lyric editor.
+  > So the header will be fixed at the top.
+  - Re-write the header for the edit section. [karaoke](#2230#2236@andy840119)  
+    ![](res/2024-06-15-11-45-52.png)
+  - Because tab control provide the bindable, so just use the bindable to get/set the current edit mode. [karaoke](#2237@andy840119)
+  - Implement switch create type section. [karaoke](#2242@andy840119)  
+    ![](res/2024-06-15-12-04-35.png)
+  - Remove the create/remove time-tag button in the toolbar because it's not useful. [karaoke](#2243@andy840119)  
+    ![](res/2024-06-15-12-05-24.png)
+- Let the selection in the lyric editor use the tab control.
+
+  > All the single selection area in the lyric editor should use tab control.
+
+  ![](res/2024-06-15-11-58-37.png)
+
+  - Make switch sub-section component. [karaoke](#2241@andy840119)
+
+## Fix
+
+- Fix lyric text might not display well at some cases. [karaoke](#2209@andy840119)
+- Small bug-fix. [karaoke](#2238@andy840119)