feat(gui): sync milestone gamification with celebration popup and stats card

src/intervalssync/gui/app.py

@@ -18,6 +18,7 @@
 from .settings_view import build_settings_view
 from .sync_view import build_sync_view
 from . import profile_sync_ui
+from . import support_gamification
 from . import theme
 
 
@@ -222,11 +223,17 @@ def _header() -> ft.Container:
                             ),
                         ],
                     ),
-                    ft.IconButton(
-                        icon=ft.Icons.INFO_OUTLINE,
-                        tooltip="About",
-                        icon_color=colors["text_muted"],
-                        on_click=show_about,
+                    ft.Row(
+                        spacing=0,
+                        controls=[
+                            support_gamification.kofi_header_button(page),
+                            ft.IconButton(
+                                icon=ft.Icons.INFO_OUTLINE,
+                                tooltip="About",
+                                icon_color=colors["text_muted"],
+                                on_click=show_about,
+                            ),
+                        ],
                     ),
                 ],
             ),

src/intervalssync/gui/config.py

@@ -61,6 +61,15 @@ class AppConfig:
     profile_sync_declined_fingerprint: str = ""
     # Prompt on launch when FTP, LTHR, or max HR differ from intervals.icu.
     profile_sync_check_on_launch: bool = True
+    # Lifetime sync stats (GUI gamification).
+    lifetime_activities_uploaded: int = 0
+    lifetime_workouts_uploaded: int = 0
+    celebrated_milestones: list[int] = field(default_factory=list)
+    stats_seeded: bool = False
+
+
+def total_uploads(config: AppConfig) -> int:
+    return config.lifetime_activities_uploaded + config.lifetime_workouts_uploaded
 
 
 def any_source_enabled(config: AppConfig) -> bool:
@@ -79,6 +88,12 @@ def load() -> AppConfig:
     if activity_source == "bryton":
         cfg.enable_bryton = True
         cfg.enable_igpsport = False
+    if not cfg.stats_seeded:
+        cfg.lifetime_workouts_uploaded = len(cfg.uploaded_workouts) + len(
+            cfg.uploaded_bryton_workouts
+        )
+        cfg.stats_seeded = True
+        save(cfg)
     return cfg