nvrsion: Add, fix, refactor, and introduce Usage Tab in Settings showing usage (mirroring home page) with placeholders for Codex limits support (backend not implemented); adjust Live Activity Icon Color to a purple atom icon; add a warning to the VM tab in Settings about 64GB free disk space requirement; implement and address performance issues in TRANSCRIPT_INCREMENTAL_PROJECTION system.

Nucleic-Promote: 1
Co-authored-by: Nucleic <[email protected]>

NucleicRemote/NucleicRemoteWidgets/SessionLiveActivity.swift

@@ -50,10 +50,12 @@ struct SessionLiveActivity: Widget {
                     }
                 }
             } compactLeading: {
+                // Calm state shows the Nucleic Control brand mark (the purple atom); when the
+                // user is needed it switches to the amber approval glyph.
                 Image(systemName: state.needsAttention
-                    ? ActivityPalette.glyph(.approval) : ActivityPalette.glyph(.running))
+                    ? ActivityPalette.glyph(.approval) : "atom")
                     .foregroundStyle(state.needsAttention
-                        ? ActivityPalette.attention : ActivityPalette.active)
+                        ? ActivityPalette.attention : ActivityPalette.brand)
             } compactTrailing: {
                 Text("\(state.needsAttention ? max(state.approvalCount, state.needsYouCount) : state.runningCount)")
                     .font(.caption2.bold())
@@ -280,6 +282,7 @@ private enum ActivityPalette {
     static let success = Color(red: 0.30, green: 0.78, blue: 0.45)    // done green
     static let danger = Color(red: 0.92, green: 0.34, blue: 0.34)     // error red
     static let neutral = Color.secondary
+    static let brand = Color(red: 0.62, green: 0.51, blue: 0.93)      // Nucleic Control purple
     static let added = Color(red: 0.30, green: 0.78, blue: 0.45)
     static let removed = Color(red: 0.92, green: 0.34, blue: 0.34)