Refactor Kimi usage snapshot to prioritize rate limit as primary window

Author: ajaxjiang96

Sources/CodexBarCore/Providers/Kimi/KimiUsageSnapshot.swift

@@ -73,8 +73,8 @@ extension KimiUsageSnapshot {
             loginMethod: nil)
 
         return UsageSnapshot(
-            primary: rateLimitWindow ?? weeklyWindow,
-            secondary: rateLimitWindow != nil ? weeklyWindow : nil,
+            primary: rateLimitWindow,
+            secondary: weeklyWindow,
             tertiary: nil,
             providerCost: nil,
             updatedAt: self.updatedAt,

Tests/CodexBarTests/KimiProviderTests.swift

@@ -222,10 +222,10 @@ struct KimiUsageSnapshotConversionTests {
 
         let usageSnapshot = snapshot.toUsageSnapshot()
 
-        #expect(usageSnapshot.primary != nil)
+        #expect(usageSnapshot.primary == nil)
+        #expect(usageSnapshot.secondary != nil)
         let weeklyExpected = 375.0 / 2048.0 * 100.0
-        #expect(abs((usageSnapshot.primary?.usedPercent ?? 0.0) - weeklyExpected) < 0.01)
-        #expect(usageSnapshot.secondary == nil)
+        #expect(abs((usageSnapshot.secondary?.usedPercent ?? 0.0) - weeklyExpected) < 0.01)
         #expect(usageSnapshot.tertiary == nil)
     }
 
@@ -244,7 +244,7 @@ struct KimiUsageSnapshotConversionTests {
             updatedAt: now)
 
         let usageSnapshot = snapshot.toUsageSnapshot()
-        #expect(usageSnapshot.primary?.usedPercent == 0.0)
+        #expect(usageSnapshot.secondary?.usedPercent == 0.0)
     }
 
     @Test
@@ -262,7 +262,7 @@ struct KimiUsageSnapshotConversionTests {
             updatedAt: now)
 
         let usageSnapshot = snapshot.toUsageSnapshot()
-        #expect(usageSnapshot.primary?.usedPercent == 100.0)
+        #expect(usageSnapshot.secondary?.usedPercent == 100.0)
     }
 }
 

Tests/CodexBarTests/UsageStoreHighestUsageTests.swift

@@ -80,7 +80,7 @@ struct UsageStoreHighestUsageTests {
     }
 
     @Test
-    func `automatic metric uses secondary for kimi when ranking highest usage`() {
+    func `automatic metric uses primary for kimi when ranking highest usage`() {
         let settings = SettingsStore(
             configStore: testConfigStore(suiteName: "UsageStoreHighestUsageTests-kimi-automatic"),
             zaiTokenStore: NoopZaiTokenStore(),