fix: remove superseded Codex sentinel

Author: steipete

Sources/CodexBarCore/CostUsageFetcher.swift

@@ -322,11 +322,6 @@ public struct CostUsageFetcher: Sendable {
         }
         let hasIncompleteFile = scoped.files.values.contains { $0.codexScanComplete == false }
         let pending = cache.codexScanCatchUpPending == true || hasIncompleteFile
-        progressHasher.combine(pending)
-        progressHasher.combine(cache.codexScanProcessedBytes)
-        progressHasher.combine(cache.codexScanTotalBytes)
-        progressHasher.combine(cache.codexScanCompletedFiles)
-        progressHasher.combine(cache.codexScanTotalFiles)
         return CodexScanCatchUpStatus(
             pending: pending,
             progressKey: "\(scoped.files.count):\(progressHasher.finalize())",

Sources/CodexBarCore/Vendored/CostUsage/CostUsageCacheModels.swift

@@ -34,7 +34,6 @@ struct CostUsageCodexActiveLookbackState: Codable {
     var completedRootPaths: [String] = []
     var pendingFilePaths: [String] = []
     var legacyRecursivePendingRootPaths: [String] = []
-    var awaitingExactInventory: Bool?
 }
 
 struct CostUsageCodexSessionDiscovery: Codable {

Sources/CodexBarCore/Vendored/CostUsage/CostUsageStoreModels.swift

@@ -149,7 +149,6 @@ struct CostUsageStoreLookbackState: Codable, Equatable, Sendable {
     var completedRootPaths: [String]
     var pendingFilePaths: [String]
     var legacyRecursivePendingRootPaths: [String]
-    var awaitingExactInventory: Bool?
 }
 
 struct CostUsageStoreAccumulator: Codable, Equatable, Sendable {

Tests/CodexBarTests/CostUsageBoundedFinalizationTests.swift

@@ -38,15 +38,6 @@ struct CostUsageCatchUpCompletionTests {
             until: day,
             now: day,
             options: options)
-        // A bounded final work slice intentionally defers exact inventory accounting to
-        // a following zero-work pass. Establish that completed baseline before injecting
-        // the legacy retained-queue state exercised below.
-        _ = CostUsageScanner.loadDailyReport(
-            provider: .codex,
-            since: day,
-            until: day,
-            now: day.addingTimeInterval(0.5),
-            options: options)
 
         var staleCache = CostUsageStoreAccess.read(cacheRoot: env.cacheRoot)
         #expect(staleCache.files.count == 2)
@@ -103,13 +94,6 @@ struct CostUsageCatchUpCompletionTests {
             now: day,
             options: options)
 
-        _ = CostUsageScanner.loadDailyReport(
-            provider: .codex,
-            since: day,
-            until: day,
-            now: day.addingTimeInterval(0.5),
-            options: options)
-
         var staleCache = CostUsageStoreAccess.read(cacheRoot: env.cacheRoot)
         let roots = CostUsageScanner.codexSessionsRoots(options: options)
             .map { $0.resolvingSymlinksInPath().standardizedFileURL.path }