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Merged
torlando-tech merged 16 commits into from
Oct 27, 2026
Merged

NE memory self-trace + in-app memory usage chart #239

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d9fc72d
Add NE memory self-trace + in-app memory usage chart
torlando-tech Oct 26, 2026
a25b1d5
Fix AxisValueLabel label, avoid Int64->UInt64 trap, drop unused state
torlando-tech Oct 26, 2026
1b81b3c
Fix readLE bitPattern casts, per-generation sampler exit, show app fo…
torlando-tech Oct 26, 2026
177e329
Plot samples only, not markers; add end-to-end multi-generation file …
torlando-tech Oct 26, 2026
b3c89d1
Shade the in-window peak on the chart
torlando-tech Oct 26, 2026
a8e4f9c
Correct expected sample count in end-to-end test
torlando-tech Oct 26, 2026
1896ee1
Document the memory trace in the Model B shared-state contract
torlando-tech Oct 26, 2026
3fc28ab
Put the memory ring under the App Group Library/ so devicectl can pul…
torlando-tech Oct 26, 2026
fb2cad9
Add DEBUG launch argument to present the Memory Usage screen for capture
torlando-tech Oct 26, 2026
4b88646
Pull ext-diag.log from Library/, surface clean-stop reason, mirror ri…
torlando-tech Oct 26, 2026
5f720fc
Document the live ext-diag.log location and ring snapshot in pull che…
torlando-tech Oct 26, 2026
b23813e
Fix NEProviderStopReason rawValue type (Int, not UInt)
torlando-tech Oct 26, 2026
d1942b3
Test the NEProviderStopReason name mapping
torlando-tech Oct 26, 2026
1466849
Address Greptile round 1: preserve final reading, fix false kill on c…
torlando-tech Oct 26, 2026
32710f9
Only flush a foreign live slot when it is fresher than the ring's las…
torlando-tech Oct 27, 2026
afbcf38
ci: re-trigger review of the flush-order fix
torlando-tech Oct 27, 2026
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26 changes: 22 additions & 4 deletions Columba.xcodeproj/project.pbxproj
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -153,7 +153,6 @@
7CE3523F6D1459A0A5CE76BE /* RNodeSeamTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EA0AA6C472B1D4EFA2896086 /* RNodeSeamTests.swift */; };
83F513B2A83B444F977E44D9 /* ReticulumSwift in Frameworks */ = {isa = PBXBuildFile; productRef = A1380C075A9F67E1B173EA94 /* ReticulumSwift */; };
85C01EE558921012E4E057D6 /* NodeHostContractTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = F6FA51D689C6EEA75831D2C8 /* NodeHostContractTests.swift */; };
B309C475AAFC405051A82829 /* TunnelTeardownTimeoutTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8080510781074E76A587DA31 /* TunnelTeardownTimeoutTests.swift */; };
8768F2E6CD7941D82997A1BB /* CallControlButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = 71922EC204982A357F814F23 /* CallControlButton.swift */; };
886AB689C7699471510BAF9A /* CallManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 86E428836698BA8A8973A92F /* CallManager.swift */; };
89AF655B749BC8073AE370D7 /* ProxyIPC.swift in Sources */ = {isa = PBXBuildFile; fileRef = PXIF /* ProxyIPC.swift */; };
Expand Down Expand Up @@ -190,6 +189,7 @@
APVT002 /* MessageAttachmentPreviewTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = APVT001 /* MessageAttachmentPreviewTests.swift */; };
B028EFF3B3954B91F4C2A5FB /* BLESeamDriverTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = FBDT /* BLESeamDriverTests.swift */; };
B1F0B685186B32F160D7D446 /* ExtensionFrameReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = F078 /* ExtensionFrameReader.swift */; };
B309C475AAFC405051A82829 /* TunnelTeardownTimeoutTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8080510781074E76A587DA31 /* TunnelTeardownTimeoutTests.swift */; };
B94D42232270A2B0DCF6C3F0 /* NodeInboundReplay.swift in Sources */ = {isa = PBXBuildFile; fileRef = MB02 /* NodeInboundReplay.swift */; };
BB88CE246AEE328C3D7DAC99 /* AutoAnnouncePolicyTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0C625A513CF7628DC1512541 /* AutoAnnouncePolicyTests.swift */; };
BGPSYNCBUILD001 /* BackgroundPropagationSync.swift in Sources */ = {isa = PBXBuildFile; fileRef = BGPSYNCREF001 /* BackgroundPropagationSync.swift */; };
Expand Down Expand Up @@ -238,6 +238,7 @@
EDF2F6B945FAA23366617FD6 /* TCPClientWizardViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = AD87870C760723D7E77C87E9 /* TCPClientWizardViewModel.swift */; };
EDL1B /* ExtensionDiagLog.swift in Sources */ = {isa = PBXBuildFile; fileRef = EDLF /* ExtensionDiagLog.swift */; };
EDL2B /* ExtensionDiagLog.swift in Sources */ = {isa = PBXBuildFile; fileRef = EDLF /* ExtensionDiagLog.swift */; };
EDLR002 /* ExtensionDiagLogRotationTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EDLR001 /* ExtensionDiagLogRotationTests.swift */; };
EF7151DBA88C8FA1EC49AE5A /* PythonNodeBLEBridge.swift in Sources */ = {isa = PBXBuildFile; fileRef = FEC4 /* PythonNodeBLEBridge.swift */; };
F3BB96DDC79D81151A2794F9 /* DiscoveredInterfacesScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = F6CAE98185D8B2D41D2ACA7E /* DiscoveredInterfacesScreen.swift */; };
F4CA7E2F745F05E21D45E11A /* RNSAPI in Frameworks */ = {isa = PBXBuildFile; productRef = 0FD6A68A52A54D21FDB70324 /* RNSAPI */; };
Expand All @@ -258,6 +259,11 @@
N0C4 /* PythonNodeBLEBridge.swift in Sources */ = {isa = PBXBuildFile; fileRef = FEC4 /* PythonNodeBLEBridge.swift */; };
NDDI_NE /* NERNodeDiagLogShim.swift in Sources */ = {isa = PBXBuildFile; fileRef = NDDI /* NERNodeDiagLogShim.swift */; };
NMF2B /* NomadNetFetch.swift in Sources */ = {isa = PBXBuildFile; fileRef = NMFF /* NomadNetFetch.swift */; };
NMH1B /* NEMemoryHistory.swift in Sources */ = {isa = PBXBuildFile; fileRef = NMHF /* NEMemoryHistory.swift */; };
NMT1B /* NEMemoryTrace.swift in Sources */ = {isa = PBXBuildFile; fileRef = NMTF /* NEMemoryTrace.swift */; };
NMT2B /* NEMemoryTrace.swift in Sources */ = {isa = PBXBuildFile; fileRef = NMTF /* NEMemoryTrace.swift */; };
NMTTB /* NEMemoryTraceTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = NMTTSF /* NEMemoryTraceTests.swift */; };
NMV1B /* NEMemoryView.swift in Sources */ = {isa = PBXBuildFile; fileRef = NMVF /* NEMemoryView.swift */; };
NRRB_NE /* PythonRNodeBLEBridge.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E59C40C0DF095105ECF040B /* PythonRNodeBLEBridge.swift */; };
OBQ2B /* OutboxQueue.swift in Sources */ = {isa = PBXBuildFile; fileRef = OBQF /* OutboxQueue.swift */; };
OGFWR02 /* OggOpusFileWriterTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = OGFWR01 /* OggOpusFileWriterTests.swift */; };
Expand All @@ -268,7 +274,6 @@
PXI2B /* ProxyIPC.swift in Sources */ = {isa = PBXBuildFile; fileRef = PXIF /* ProxyIPC.swift */; };
RFT002 /* RuntimeFlavorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = RFT001 /* RuntimeFlavorTests.swift */; };
RMLT002 /* RuntimeActivityMonitorLeaseTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = RMLT001 /* RuntimeActivityMonitorLeaseTests.swift */; };
EDLR002 /* ExtensionDiagLogRotationTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EDLR001 /* ExtensionDiagLogRotationTests.swift */; };
RQP02 /* ReplyQuoteParityTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = RQP01 /* ReplyQuoteParityTests.swift */; };
SIDSBN /* SentIdStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = SIDSF /* SentIdStore.swift */; };
SPLASHBLD1 /* Splash in Frameworks */ = {isa = PBXBuildFile; productRef = SPLASHPROD1 /* Splash */; };
Expand Down Expand Up @@ -360,6 +365,7 @@
71922EC204982A357F814F23 /* CallControlButton.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Views/Call/CallControlButton.swift; sourceTree = SOURCE_ROOT; };
7529BF99835005DE07E1B65F /* CodecSelectionSheet.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Views/Call/CodecSelectionSheet.swift; sourceTree = SOURCE_ROOT; };
7CE6E7F6812429F902DB95E7 /* NodePythonBundleLayout.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = NodePythonBundleLayout.swift; path = Sources/RNSHost/NodePythonBundleLayout.swift; sourceTree = SOURCE_ROOT; };
8080510781074E76A587DA31 /* TunnelTeardownTimeoutTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = TunnelTeardownTimeoutTests.swift; path = Tests/ColumbaAppTests/TunnelTeardownTimeoutTests.swift; sourceTree = SOURCE_ROOT; };
853F1E1C2B6E5305277FCB2A /* MigrationRoundTripTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/MigrationRoundTripTests.swift; sourceTree = SOURCE_ROOT; };
86E428836698BA8A8973A92F /* CallManager.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Services/CallManager.swift; sourceTree = SOURCE_ROOT; };
894C730FEB9AE4CDB4B949F8 /* BackgroundDeliveryPage.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Views/Onboarding/BackgroundDeliveryPage.swift; sourceTree = SOURCE_ROOT; };
Expand Down Expand Up @@ -423,6 +429,7 @@
EA0AA6C472B1D4EFA2896086 /* RNodeSeamTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/RNodeSeamTests.swift; sourceTree = SOURCE_ROOT; };
EBA4F8C4C9008A06DFF5AC8A /* PythonConfigWriter.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Services/PythonConfigWriter.swift; sourceTree = SOURCE_ROOT; };
EDLF /* ExtensionDiagLog.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/Shared/ExtensionDiagLog.swift; sourceTree = SOURCE_ROOT; };
EDLR001 /* ExtensionDiagLogRotationTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/ExtensionDiagLogRotationTests.swift; sourceTree = SOURCE_ROOT; };
EPROD /* ColumbaNetworkExtension.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = ColumbaNetworkExtension.appex; sourceTree = BUILT_PRODUCTS_DIR; };
F001 /* ColumbaApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/App/ColumbaApp.swift; sourceTree = SOURCE_ROOT; };
F002 /* Theme.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Theme/Theme.swift; sourceTree = SOURCE_ROOT; };
Expand Down Expand Up @@ -525,7 +532,6 @@
F0A5 /* ColumbaModelBApp.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = ColumbaModelBApp.entitlements; sourceTree = "<group>"; };
F6CAE98185D8B2D41D2ACA7E /* DiscoveredInterfacesScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Views/Settings/DiscoveredInterfacesScreen.swift; sourceTree = SOURCE_ROOT; };
F6FA51D689C6EEA75831D2C8 /* NodeHostContractTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = NodeHostContractTests.swift; path = Tests/ColumbaAppTests/NodeHostContractTests.swift; sourceTree = SOURCE_ROOT; };
8080510781074E76A587DA31 /* TunnelTeardownTimeoutTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = TunnelTeardownTimeoutTests.swift; path = Tests/ColumbaAppTests/TunnelTeardownTimeoutTests.swift; sourceTree = SOURCE_ROOT; };
FBDS /* BLEDriverSeam.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/Shared/BLEDriverSeam.swift; sourceTree = SOURCE_ROOT; };
FBDT /* BLESeamDriverTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/BLESeamDriverTests.swift; sourceTree = SOURCE_ROOT; };
FBST /* AppGroupBLESeamTransport.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/Shared/AppGroupBLESeamTransport.swift; sourceTree = SOURCE_ROOT; };
Expand All @@ -550,6 +556,10 @@
MSTST001 /* MessageStoreTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = MessageStoreTests.swift; path = Tests/ColumbaAppTests/MessageStoreTests.swift; sourceTree = SOURCE_ROOT; };
NDDI /* NERNodeDiagLogShim.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaNetworkExtension/NERNodeDiagLogShim.swift; sourceTree = SOURCE_ROOT; };
NMFF /* NomadNetFetch.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/Shared/NomadNetFetch.swift; sourceTree = SOURCE_ROOT; };
NMHF /* NEMemoryHistory.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Services/NEMemoryHistory.swift; sourceTree = SOURCE_ROOT; };
NMTF /* NEMemoryTrace.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/Shared/NEMemoryTrace.swift; sourceTree = SOURCE_ROOT; };
NMTTSF /* NEMemoryTraceTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/NEMemoryTraceTests.swift; sourceTree = SOURCE_ROOT; };
NMVF /* NEMemoryView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/ColumbaApp/Views/Settings/NEMemoryView.swift; sourceTree = SOURCE_ROOT; };
OBQF /* OutboxQueue.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/Shared/OutboxQueue.swift; sourceTree = SOURCE_ROOT; };
OGFWR01 /* OggOpusFileWriterTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/OggOpusFileWriterTests.swift; sourceTree = SOURCE_ROOT; };
OGGR001 /* OggOpusGranuleTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/OggOpusGranuleTests.swift; sourceTree = SOURCE_ROOT; };
Expand All @@ -564,7 +574,6 @@
RDRF01 /* ProxyDrainRaceTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/ProxyDrainRaceTests.swift; sourceTree = SOURCE_ROOT; };
RFT001 /* RuntimeFlavorTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/RuntimeFlavorTests.swift; sourceTree = SOURCE_ROOT; };
RMLT001 /* RuntimeActivityMonitorLeaseTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/RuntimeActivityMonitorLeaseTests.swift; sourceTree = SOURCE_ROOT; };
EDLR001 /* ExtensionDiagLogRotationTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/ExtensionDiagLogRotationTests.swift; sourceTree = SOURCE_ROOT; };
RQP01 /* ReplyQuoteParityTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/ReplyQuoteParityTests.swift; sourceTree = SOURCE_ROOT; };
SIDSF /* SentIdStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Sources/Shared/SentIdStore.swift; sourceTree = SOURCE_ROOT; };
TMP001 /* ThemeManagerPersistenceTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = Tests/ColumbaAppTests/ThemeManagerPersistenceTests.swift; sourceTree = SOURCE_ROOT; };
Expand Down Expand Up @@ -1023,6 +1032,9 @@
F074 /* SharedDefaults.swift */,
F076 /* SharedFrameQueue.swift */,
EDLF /* ExtensionDiagLog.swift */,
NMTF /* NEMemoryTrace.swift */,
NMHF /* NEMemoryHistory.swift */,
NMVF /* NEMemoryView.swift */,
AGPF /* AppGroupPaths.swift */,
F079 /* OnboardingRestoreSheet.swift */,
F07A /* PlatformCompat.swift */,
Expand Down Expand Up @@ -1097,6 +1109,7 @@
B2E4D1020000000000000002 /* NetworkStatusEndpointTests.swift */,
498D7BF18FE3ACDE874B3E98 /* PeerLocationFormattingTests.swift */,
CHF001 /* CallHistoryFormattingTests.swift */,
NMTTSF /* NEMemoryTraceTests.swift */,
CHRT01 /* CallHistoryRepositoryTests.swift */,
BGPSYNCTESTREF001 /* BackgroundPropagationSyncTests.swift */,
FT03 /* MicronParserTests.swift */,
Expand Down Expand Up @@ -1378,6 +1391,7 @@
NRRB_NE /* PythonRNodeBLEBridge.swift in Sources */,
NDDI_NE /* NERNodeDiagLogShim.swift in Sources */,
EDL2B /* ExtensionDiagLog.swift in Sources */,
NMT2B /* NEMemoryTrace.swift in Sources */,
AGP2B /* AppGroupPaths.swift in Sources */,
AGB2B /* AppGroupBridgeInterface.swift in Sources */,
PXI2B /* ProxyIPC.swift in Sources */,
Expand Down Expand Up @@ -1516,6 +1530,9 @@
074B /* SharedDefaults.swift in Sources */,
076B /* SharedFrameQueue.swift in Sources */,
EDL1B /* ExtensionDiagLog.swift in Sources */,
NMT1B /* NEMemoryTrace.swift in Sources */,
NMH1B /* NEMemoryHistory.swift in Sources */,
NMV1B /* NEMemoryView.swift in Sources */,
AGP1B /* AppGroupPaths.swift in Sources */,
079B /* OnboardingRestoreSheet.swift in Sources */,
07AB /* PlatformCompat.swift in Sources */,
Expand Down Expand Up @@ -1595,6 +1612,7 @@
A1F3C0010000000000000001 /* NetworkStatusEndpointTests.swift in Sources */,
CC067EE77A33341C829CBDE8 /* PeerLocationFormattingTests.swift in Sources */,
CHF002 /* CallHistoryFormattingTests.swift in Sources */,
NMTTB /* NEMemoryTraceTests.swift in Sources */,
CHRT02 /* CallHistoryRepositoryTests.swift in Sources */,
BGPSYNCTESTBUILD001 /* BackgroundPropagationSyncTests.swift in Sources */,
T003 /* MicronParserTests.swift in Sources */,
Expand Down
3 changes: 3 additions & 0 deletions Sources/ColumbaApp/App/ColumbaApp.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -546,6 +546,9 @@ final class ColumbaApplicationRuntime {
// The NE (sandboxed) writes ext-diag.log to the shared container; the host
// copies the previous background session's log out here on each launch.
DiagLog.copyExtensionDiagToDocuments()
// Same treatment for the NE's memory ring: snapshot it into Documents
// once per launch so the post-kill footprint history is pullable.
DiagLog.copyMemoryRingToDocuments()
#if DEBUG
// Keep that copy LIVE (not just this launch's snapshot) so on-device NE
// diagnostics can be tailed in real time. DEBUG-only.
Expand Down
29 changes: 29 additions & 0 deletions Sources/ColumbaApp/Services/AppServices.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -227,6 +227,9 @@ enum DiagLog {
/// is unavailable. NO-PII: the source carries envelope/metadata only — see
/// `ExtensionDiagLog`'s contract.
static func copyExtensionDiagToDocuments() {
// Recover logs written by a build that stored them at the App-Group
// root (unpullable) before this one moved the writer under Library/.
ExtensionDiagLog.migrateLegacyRootLog()
guard let source = ExtensionDiagLog.fileURL,
FileManager.default.fileExists(atPath: source.path) else {
return
Expand All @@ -237,6 +240,32 @@ enum DiagLog {
try? FileManager.default.copyItem(at: source, to: dest)
}

/// Copy the Network Extension's memory ring (`NEMemoryTrace`'s
/// `Library/ne-memory.bin`) into the app's Documents directory so the
/// post-kill footprint history is retrievable via `devicectl ... copy from
/// --domain-type appDataContainer` even if the App-Group copy gets rotated
/// or the container isn't directly reachable. Once per launch, NOT on the
/// live-copy loop: the ring's mtime advances on every NE write, so a
/// periodic mirror would re-copy 512 KB every cycle and double the
/// disk-write profile of a device that is already budget-bound. The
/// mtime guard skips the copy when the snapshot is already current.
/// NO-PII: the ring carries footprint numbers, pids, and wallMs only.
static func copyMemoryRingToDocuments() {
guard let source = NEMemoryTrace.fileURL,
FileManager.default.fileExists(atPath: source.path) else {
return
}
let docs = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
let dest = docs.appendingPathComponent("ne-memory.bin")
if let srcMtime = try? FileManager.default.attributesOfItem(atPath: source.path)[.modificationDate] as? Date,
let dstMtime = try? FileManager.default.attributesOfItem(atPath: dest.path)[.modificationDate] as? Date,
srcMtime <= dstMtime {
return
}
try? FileManager.default.removeItem(at: dest)
try? FileManager.default.copyItem(at: source, to: dest)
}

#if DEBUG
/// Keep `Documents/ext-diag.log` LIVE (refresh ~every 2s) instead of a single
/// launch-time snapshot, so on-device NE diagnostics — including the smoke
Expand Down
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