feat: solid obsidian core with single high-amplitude dynamic electric violet stroke (zero static secondary rings)

src/HUDOverlay.swift

@@ -14,10 +14,10 @@ public final class HUDOverlayController {
     public static let shared = HUDOverlayController()
     
     private var window: NSPanel?
-    private var orbView: AppleIntelligenceOrbView?
+    private var orbView: MinimalSolidOrbView?
     private var isVisible = false
     
-    // Large transparent canvas so audio-reactive halo never clips
+    // Transparent canvas with plenty of margin
     private let canvasSize: CGFloat = 200
     
     private init() {
@@ -44,10 +44,10 @@ public final class HUDOverlayController {
         let container = NSView(frame: panel.contentView!.bounds)
         container.wantsLayer = true
         
-        // Professional Apple Intelligence Orb centered in canvas
-        let orbDiameter: CGFloat = 54
+        // Solid Minimal Orb centered in canvas
+        let orbDiameter: CGFloat = 52
         let orbOrigin = (canvasSize - orbDiameter) / 2.0
-        let orb = AppleIntelligenceOrbView(frame: NSRect(x: orbOrigin, y: orbOrigin, width: orbDiameter, height: orbDiameter))
+        let orb = MinimalSolidOrbView(frame: NSRect(x: orbOrigin, y: orbOrigin, width: orbDiameter, height: orbDiameter))
         container.addSubview(orb)
         self.orbView = orb
         
@@ -127,15 +127,15 @@ public final class HUDOverlayController {
     }
 }
 
-// MARK: - Professional Apple Intelligence Orb View
+// MARK: - Minimal Solid-Color Orb with Single High-Amplitude Dynamic Stroke (Zero Static Rings)
 
-final class AppleIntelligenceOrbView: NSView {
-    private let glowLayer = CALayer()
-    private let coreGradientLayer = CAGradientLayer()
-    private let strokeBorderLayer = CALayer()
+final class MinimalSolidOrbView: NSView {
+    private let coreSolidLayer = CALayer()
+    private let dynamicStrokeLayer = CALayer()
     
-    private let minStrokeWidth: CGFloat = 2.0
-    private let maxStrokeWidth: CGFloat = 7.5
+    // Wide dynamic range: from a delicate 1.5px ring up to a bold 11.5px pulse!
+    private let minStrokeWidth: CGFloat = 1.5
+    private let maxStrokeWidth: CGFloat = 11.5
     
     override init(frame frameRect: NSRect) {
         super.init(frame: frameRect)
@@ -156,85 +156,62 @@ final class AppleIntelligenceOrbView: NSView {
         let bounds = self.bounds
         let radius = bounds.width / 2.0
         
-        // 1. Atmospheric Ambient Glow (Expands and blooms with decibel level)
-        glowLayer.frame = bounds.insetBy(dx: -10, dy: -10)
-        glowLayer.cornerRadius = (bounds.width + 20) / 2.0
-        glowLayer.backgroundColor = NSColor(red: 0.0, green: 0.70, blue: 1.0, alpha: 0.25).cgColor
-        glowLayer.shadowColor = NSColor(red: 0.0, green: 0.85, blue: 1.0, alpha: 0.85).cgColor
-        glowLayer.shadowRadius = 12
-        glowLayer.shadowOpacity = 0.45
-        glowLayer.shadowOffset = .zero
-        layer.addSublayer(glowLayer)
+        // 1. Chic, Minimal Solid-Color Core (Apple Obsidian Charcoal Solid Disc)
+        // 100% solid, perfectly flat, clean and matte
+        coreSolidLayer.frame = bounds
+        coreSolidLayer.cornerRadius = radius
+        coreSolidLayer.backgroundColor = NSColor(red: 0.09, green: 0.10, blue: 0.13, alpha: 0.98).cgColor
+        layer.addSublayer(coreSolidLayer)
         
-        // 2. Deep Sapphire/Midnight Blue Radial Core (Clean, minimal, luxury Apple design)
-        coreGradientLayer.frame = bounds
-        coreGradientLayer.cornerRadius = radius
-        coreGradientLayer.type = .radial
-        coreGradientLayer.colors = [
-            NSColor(red: 0.05, green: 0.55, blue: 0.95, alpha: 1.0).cgColor,  // Vibrant Cerulean Center
-            NSColor(red: 0.12, green: 0.18, blue: 0.55, alpha: 0.98).cgColor, // Deep Royal Blue
-            NSColor(red: 0.06, green: 0.08, blue: 0.22, alpha: 0.98).cgColor  // Midnight Obsidian Edge
-        ]
-        coreGradientLayer.startPoint = CGPoint(x: 0.40, y: 0.40)
-        coreGradientLayer.endPoint = CGPoint(x: 1.0, y: 1.0)
-        layer.addSublayer(coreGradientLayer)
-        
-        // 3. Audio-Reactive Neon Stroke (Widening & Brightening dynamically with voice)
-        strokeBorderLayer.frame = bounds
-        strokeBorderLayer.cornerRadius = radius
-        strokeBorderLayer.borderWidth = minStrokeWidth
-        strokeBorderLayer.borderColor = NSColor(red: 0.30, green: 0.90, blue: 1.0, alpha: 0.75).cgColor
-        strokeBorderLayer.backgroundColor = NSColor.clear.cgColor
-        layer.addSublayer(strokeBorderLayer)
+        // 2. Single Dynamic Audio-Reactive Stroke Ring (NO SECOND RING / NO STATIC BACKGROUND)
+        // Solid Electric Amethyst Violet (#B066FF)
+        dynamicStrokeLayer.frame = bounds
+        dynamicStrokeLayer.cornerRadius = radius
+        dynamicStrokeLayer.borderWidth = minStrokeWidth
+        dynamicStrokeLayer.borderColor = NSColor(red: 0.70, green: 0.38, blue: 1.0, alpha: 0.75).cgColor
+        dynamicStrokeLayer.backgroundColor = NSColor.clear.cgColor
+        dynamicStrokeLayer.shadowColor = NSColor(red: 0.65, green: 0.25, blue: 1.0, alpha: 0.85).cgColor
+        dynamicStrokeLayer.shadowOffset = .zero
+        dynamicStrokeLayer.shadowRadius = 4.0
+        dynamicStrokeLayer.shadowOpacity = 0.40
+        layer.addSublayer(dynamicStrokeLayer)
     }
     
-    /// Updates audio response:
-    /// In silence (level ~ 0.0): crisp minimal 2px stroke, subtle soft glow.
-    /// When speaking: stroke powerfully thickens up to 7.5px, glow blooms to 42px, smooth gentle scale breathing.
+    /// Updates audio response with boosted logarithmic curve for wide dynamic amplitude:
+    /// In quiet: minimal 1.5px stroke.
+    /// When speaking: expands dramatically up to 11.5px with bright electric violet glow.
     func updateAudioLevel(_ level: Float, isLagging: Bool) {
         CATransaction.begin()
         CATransaction.setDisableActions(true)
         
         let clamped = CGFloat(min(max(level, 0.0), 1.0))
+        // Perceptual boost power curve so lower/normal voice levels trigger a bold visible response
+        let dynamicFactor = pow(clamped, 0.70)
         
         if isLagging {
-            // Amber warm warning for degraded internet
-            coreGradientLayer.colors = [
-                NSColor(red: 1.0, green: 0.75, blue: 0.15, alpha: 1.0).cgColor,
-                NSColor(red: 0.85, green: 0.40, blue: 0.05, alpha: 0.98).cgColor,
-                NSColor(red: 0.25, green: 0.10, blue: 0.02, alpha: 0.98).cgColor
-            ]
-            let amberStroke = NSColor(red: 1.0, green: 0.80, blue: 0.25, alpha: 0.7 + (0.3 * clamped)).cgColor
-            strokeBorderLayer.borderColor = amberStroke
-            glowLayer.shadowColor = NSColor.orange.cgColor
+            // Warm amber gold highlight for degraded network
+            let amber = NSColor(red: 1.0, green: 0.68, blue: 0.15, alpha: 0.75 + (0.25 * dynamicFactor)).cgColor
+            dynamicStrokeLayer.borderColor = amber
+            dynamicStrokeLayer.shadowColor = amber
         } else {
-            // Standard crisp Apple Intelligence sapphire palette
-            coreGradientLayer.colors = [
-                NSColor(red: 0.05, green: 0.55 + (0.40 * clamped), blue: 0.95 + (0.05 * clamped), alpha: 1.0).cgColor,
-                NSColor(red: 0.12, green: 0.18, blue: 0.55, alpha: 0.98).cgColor,
-                NSColor(red: 0.06, green: 0.08, blue: 0.22, alpha: 0.98).cgColor
-            ]
-            let neonStroke = NSColor(
-                red: 0.30 + (0.60 * clamped),
-                green: 0.90 + (0.10 * clamped),
+            // Solid Electric Amethyst Violet palette: brightens to glowing neon with volume
+            let violetStroke = NSColor(
+                red: 0.70 + (0.20 * dynamicFactor),
+                green: 0.38 + (0.50 * dynamicFactor),
                 blue: 1.0,
-                alpha: 0.65 + (0.35 * clamped)
+                alpha: 0.75 + (0.25 * dynamicFactor)
             ).cgColor
-            strokeBorderLayer.borderColor = neonStroke
-            glowLayer.shadowColor = NSColor(red: 0.0, green: 0.85, blue: 1.0, alpha: 0.90).cgColor
+            dynamicStrokeLayer.borderColor = violetStroke
+            dynamicStrokeLayer.shadowColor = NSColor(red: 0.65, green: 0.25, blue: 1.0, alpha: 0.85).cgColor
         }
         
-        // 1. Dynamic Stroke Expansion: thickens from 2.0px to 7.5px noticeably
-        let dynamicWidth = minStrokeWidth + (clamped * (maxStrokeWidth - minStrokeWidth))
-        strokeBorderLayer.borderWidth = dynamicWidth
-        
-        // 2. Dynamic Bloom Halo: blooms from 12px up to 42px
-        glowLayer.shadowRadius = 12.0 + (clamped * 30.0)
-        glowLayer.shadowOpacity = Float(0.45 + (0.50 * clamped))
+        // 1. High Dynamic Amplitude Stroke Expansion (1.5px to 11.5px)
+        let dynamicWidth = minStrokeWidth + (dynamicFactor * (maxStrokeWidth - minStrokeWidth))
+        dynamicStrokeLayer.borderWidth = dynamicWidth
         
-        // 3. Subtle organic breathing scale (1.0 to 1.14x max, smooth and stable without shaking)
-        let subtleScale = 1.0 + (clamped * 0.14)
-        self.layer?.sublayerTransform = CATransform3DMakeScale(subtleScale, subtleScale, 1.0)
+        // 2. Soft Dynamic Bloom Glow (From 4px to 26px radius, strictly tracking voice)
+        dynamicStrokeLayer.shadowRadius = 4.0 + (dynamicFactor * 22.0)
+        dynamicStrokeLayer.shadowOpacity = Float(0.40 + (0.55 * dynamicFactor))
         
         CATransaction.commit()
     }
@@ -243,21 +220,23 @@ final class AppleIntelligenceOrbView: NSView {
         CATransaction.begin()
         CATransaction.setDisableActions(false)
         CATransaction.setAnimationDuration(0.20)
-        strokeBorderLayer.borderWidth = 4.0
-        strokeBorderLayer.borderColor = NSColor.orange.cgColor
-        glowLayer.shadowColor = NSColor.orange.cgColor
-        glowLayer.shadowRadius = 24
-        glowLayer.shadowOpacity = 0.9
+        let amber = NSColor(red: 1.0, green: 0.65, blue: 0.10, alpha: 1.0).cgColor
+        dynamicStrokeLayer.borderWidth = 5.0
+        dynamicStrokeLayer.borderColor = amber
+        dynamicStrokeLayer.shadowColor = amber
+        dynamicStrokeLayer.shadowRadius = 18
+        dynamicStrokeLayer.shadowOpacity = 0.90
         CATransaction.commit()
     }
     
     func showTranscribingState() {
         CATransaction.begin()
         CATransaction.setDisableActions(true)
-        strokeBorderLayer.borderWidth = 3.0
-        strokeBorderLayer.borderColor = NSColor.cyan.cgColor
-        glowLayer.shadowRadius = 18
-        glowLayer.shadowOpacity = 0.8
+        let softLilac = NSColor(red: 0.80, green: 0.50, blue: 1.0, alpha: 1.0).cgColor
+        dynamicStrokeLayer.borderWidth = 3.5
+        dynamicStrokeLayer.borderColor = softLilac
+        dynamicStrokeLayer.shadowRadius = 10
+        dynamicStrokeLayer.shadowOpacity = 0.65
         CATransaction.commit()
     }
     
@@ -266,11 +245,11 @@ final class AppleIntelligenceOrbView: NSView {
         CATransaction.setDisableActions(false)
         CATransaction.setAnimationDuration(0.18)
         let green = NSColor(red: 0.15, green: 0.95, blue: 0.45, alpha: 1.0).cgColor
-        strokeBorderLayer.borderWidth = 4.0
-        strokeBorderLayer.borderColor = green
-        glowLayer.shadowColor = green
-        glowLayer.shadowRadius = 24
-        glowLayer.shadowOpacity = 0.95
+        dynamicStrokeLayer.borderWidth = 5.0
+        dynamicStrokeLayer.borderColor = green
+        dynamicStrokeLayer.shadowColor = green
+        dynamicStrokeLayer.shadowRadius = 20
+        dynamicStrokeLayer.shadowOpacity = 0.95
         CATransaction.commit()
     }
     
@@ -279,22 +258,21 @@ final class AppleIntelligenceOrbView: NSView {
         CATransaction.setDisableActions(false)
         CATransaction.setAnimationDuration(0.18)
         let red = NSColor(red: 1.0, green: 0.20, blue: 0.20, alpha: 1.0).cgColor
-        strokeBorderLayer.borderWidth = 4.0
-        strokeBorderLayer.borderColor = red
-        glowLayer.shadowColor = red
-        glowLayer.shadowRadius = 24
-        glowLayer.shadowOpacity = 0.95
+        dynamicStrokeLayer.borderWidth = 5.0
+        dynamicStrokeLayer.borderColor = red
+        dynamicStrokeLayer.shadowColor = red
+        dynamicStrokeLayer.shadowRadius = 20
+        dynamicStrokeLayer.shadowOpacity = 0.95
         CATransaction.commit()
     }
     
     func reset() {
         CATransaction.begin()
         CATransaction.setDisableActions(true)
-        self.layer?.sublayerTransform = CATransform3DIdentity
-        strokeBorderLayer.borderWidth = minStrokeWidth
-        strokeBorderLayer.borderColor = NSColor(red: 0.30, green: 0.90, blue: 1.0, alpha: 0.75).cgColor
-        glowLayer.shadowRadius = 12
-        glowLayer.shadowOpacity = 0.45
+        dynamicStrokeLayer.borderWidth = minStrokeWidth
+        dynamicStrokeLayer.borderColor = NSColor(red: 0.70, green: 0.38, blue: 1.0, alpha: 0.75).cgColor
+        dynamicStrokeLayer.shadowRadius = 4.0
+        dynamicStrokeLayer.shadowOpacity = 0.40
         CATransaction.commit()
     }
 }