format plan.md

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

PLAN.md

@@ -7,6 +7,7 @@ items `[x]` as done.
 ## Phase A — Skin subsystem (TODO items 5, 3, 4)
 
 ### A1. Extract classic-skin code into a project-level package (task 5)
+
 - [x] New package `dartamp_skin` at `packages/dartamp_skin/`.
 - [x] Moved `classic_skin.dart`, `skin_loader.dart`, `bmp_decoder.dart`,
       `skin_image.dart`, `skin_slider.dart`, `text_font.dart`, and
@@ -23,6 +24,7 @@ items `[x]` as done.
       `loadBaseSkin` uses that path.
 
 ### A2. Self-contained storage + .wsz import (task 3)
+
 - [x] `SkinRegistry` in the package (`skin_registry.dart`): scans a directory for
       extracted skins, holds a `manifest.json` per skin (name + import time),
       `importArchive()` unzips a `.wsz` into `skins/<name>/` (flat top-level
@@ -43,6 +45,7 @@ items `[x]` as done.
       (11 incl. `skin_registry_test.dart`), `flutter build macos --debug` ok.
 
 ### A3. Cursors (task 4)
+
 - `ClassicSkin` exposes cursor bitmaps (`cursor.bmp`/`.cur`) + hotspot (default
   skin included).
 - Native `NSCursor` from skin bitmap via the `winamp` channel; applied with
@@ -51,6 +54,7 @@ items `[x]` as done.
 ## Phase B — Docking & window management (new `lib/src/docking/`)
 
 ### B1. Plumbing
+
 - Persist per-window positions (`winamp.window_<name>_x/y` in PlayerState);
   sub-windows spawn at saved positions instead of `center()`.
 - Sub-windows report bounds over `winamp.subwindows`; main holds the
@@ -62,6 +66,7 @@ items `[x]` as done.
   positions + recomputes attachments.
 
 ### B2. Dock logic (task 1) — port from DOCK.cpp / Set.cpp / ui.cpp
+
 - `IsWindowAttached` (dynamic geometry), `SnapWindowToWindow`, `SnapToScreen`,
   `AdjustSnap`, `FixOverlaps`.
 - Shade-toggle re-pin (`doMyDirtyShitholeDockingShit`) when main/EQ/PL sizes
@@ -71,6 +76,7 @@ items `[x]` as done.
   PL severs the chain.
 
 ### B3. Playlist resize from bottom-right (task 6)
+
 - Custom bottom-right resize handle (window_manager startResizing is
   Win/Linux-only).
 - Verify original row-snapping constraints; reuse re-pin for windows docked
@@ -79,20 +85,24 @@ items `[x]` as done.
 ## Phase C — UI fixes
 
 ### C1. EQ presets window (task 7)
+
 - Implement the presets window, wire the presets button, load/save to prefs.
 
 ### C2. PL bottom action buttons (task 8)
+
 - Research original `button.bmp` regions + popup behavior; clipped sprites +
   long-press full-sheet popup with release-to-activate; verify vs original.
 
 ## Phase D — Preferences + dock menu
 
 ### D1. Preferences window (task 2)
+
 - Match original classic layout (Setup, Audio, Visualization, Plug-ins,
   Skins, Titles, Directories, etc.); all tabs no-op except Skins (registry
   list + active selection).
 
 ### D2. Dock icon menu (task 9)
+
 - `applicationDockMenu(_:)` with Main/EQ/PL visibility toggles; add missing
   main-window item to the Window menu; flip
   `applicationShouldTerminateAfterLastWindowClosed` -> `false` so closing all