Merge nucleic/nimble-pebble-lynx-jfch into dev

Sources/NucleicCore/IntelligenceRouting.swift

@@ -135,6 +135,7 @@ public enum IntelligenceRouter {
             var modelUtilization = [String: Double]()
             let claudeWindows = [
                 claudeUsage?.fiveHour, claudeUsage?.sevenDay,
+                claudeUsage?.sevenDayFable,
                 claudeUsage?.sevenDayOpus, claudeUsage?.sevenDaySonnet,
             ]
             let hasPreciseClaudeUsage = claudeWindows.contains { $0 != nil }
@@ -170,6 +171,9 @@ public enum IntelligenceRouter {
             if reached(claudeUsage?.sevenDayOpus) {
                 models.formUnion(IntelligenceRouter.routedModels.filter { $0.hasPrefix("claude-opus") })
             }
+            if reached(claudeUsage?.sevenDayFable) {
+                models.formUnion(IntelligenceRouter.routedModels.filter { $0.hasPrefix("claude-fable") })
+            }
             if reached(claudeUsage?.sevenDaySonnet) {
                 models.formUnion(IntelligenceRouter.routedModels.filter { $0.hasPrefix("claude-sonnet") })
             }
@@ -178,6 +182,11 @@ public enum IntelligenceRouter {
                     modelUtilization[sku] = opusUsage
                 }
             }
+            if let fableUsage = utilization(claudeUsage?.sevenDayFable) {
+                for sku in IntelligenceRouter.routedModels where sku.hasPrefix("claude-fable") {
+                    modelUtilization[sku] = fableUsage
+                }
+            }
             if let sonnetUsage = utilization(claudeUsage?.sevenDaySonnet) {
                 for sku in IntelligenceRouter.routedModels where sku.hasPrefix("claude-sonnet") {
                     modelUtilization[sku] = sonnetUsage