ci: add macOS app validation pipeline

Jenkinsfile

@@ -0,0 +1,48 @@
+pipeline {
+    agent { label 'um-trace' }
+
+    options {
+        buildDiscarder(logRotator(numToKeepStr: '20'))
+        disableConcurrentBuilds()
+        timeout(time: 45, unit: 'MINUTES')
+    }
+
+    environment {
+        DEVELOPER_DIR = '/Applications/Xcode.app/Contents/Developer'
+        DOTNET_ROOT = '/Users/brent/.dotnet'
+        DOTNET_CLI_TELEMETRY_OPTOUT = '1'
+        DOTNET_NOLOGO = '1'
+        NUGET_XMLDOC_MODE = 'skip'
+        PATH = "/Users/brent/.dotnet:/opt/homebrew/bin:${env.PATH}"
+    }
+
+    stages {
+        stage('Toolchain') {
+            steps {
+                sh './scripts/ci/verify-macos-agent.sh'
+            }
+        }
+
+        stage('Tests') {
+            steps {
+                sh './scripts/ci/test.sh'
+            }
+        }
+
+        stage('iOS Build (Unsigned)') {
+            steps {
+                sh './scripts/ci/build-ios-unsigned.sh'
+            }
+        }
+    }
+
+    post {
+        always {
+            archiveArtifacts(
+                artifacts: 'artifacts/**/*',
+                allowEmptyArchive: true,
+                fingerprint: true
+            )
+        }
+    }
+}

scripts/ci/build-ios-unsigned.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+dotnet_bin="${DOTNET_BIN:-/Users/brent/.dotnet/dotnet}"
+developer_dir="${DEVELOPER_DIR:-/Applications/Xcode.app/Contents/Developer}"
+project="${repo_dir}/FieldLogger/FieldLogger.csproj"
+runtime_identifier="${IOS_RUNTIME:-ios-arm64}"
+nuget_cache="${UM_TRACE_NUGET_CACHE:-${TMPDIR:-/tmp}/um-trace-ci-nuget}"
+
+export DEVELOPER_DIR="${developer_dir}"
+export NUGET_HTTP_CACHE_PATH="${NUGET_HTTP_CACHE_PATH:-${nuget_cache}/http-cache}"
+
+mkdir -p "${NUGET_HTTP_CACHE_PATH}"
+
+"${dotnet_bin}" restore "${project}" \
+  -p:TargetFrameworks=net9.0-ios \
+  -p:RuntimeIdentifier="${runtime_identifier}" \
+  -p:NuGetAudit=false
+
+# A narrowed restore of the MAUI head can rewrite the referenced library's
+# assets file, so restore the headless sync library explicitly as well.
+"${dotnet_bin}" restore "${repo_dir}/src/FieldLogger.Sync/FieldLogger.Sync.csproj" \
+  -p:NuGetAudit=false
+
+"${dotnet_bin}" clean "${project}" \
+  --framework net9.0-ios \
+  --configuration Debug \
+  -p:TargetFrameworks=net9.0-ios \
+  -p:RuntimeIdentifier="${runtime_identifier}"
+
+"${dotnet_bin}" build "${project}" \
+  --framework net9.0-ios \
+  --configuration Debug \
+  --runtime "${runtime_identifier}" \
+  -p:TargetFrameworks=net9.0-ios \
+  -p:EnableCodeSigning=false \
+  -p:CodesignKey= \
+  -p:CodesignProvision= \
+  --no-restore

scripts/ci/test.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+dotnet_bin="${DOTNET_TEST_BIN:-/usr/local/share/dotnet/dotnet}"
+results_dir="${repo_dir}/artifacts/test-results"
+nuget_cache="${UM_TRACE_NUGET_CACHE:-${TMPDIR:-/tmp}/um-trace-ci-nuget}"
+
+mkdir -p "${results_dir}" "${nuget_cache}/http-cache"
+
+export NUGET_HTTP_CACHE_PATH="${NUGET_HTTP_CACHE_PATH:-${nuget_cache}/http-cache}"
+
+test_projects=(
+  "tests/FieldLogger.Sync.Tests/FieldLogger.Sync.Tests.csproj"
+  "tests/FieldLogger.Tests/FieldLogger.Tests.csproj"
+  "tests/IfLoc.Sim.Tests/IfLoc.Sim.Tests.csproj"
+)
+
+for project in "${test_projects[@]}"; do
+  project_name="$(basename "${project}" .csproj)"
+  DOTNET_ROOT=/usr/local/share/dotnet "${dotnet_bin}" restore "${repo_dir}/${project}" \
+    -p:NuGetAudit=false
+  DOTNET_ROOT=/usr/local/share/dotnet "${dotnet_bin}" test "${repo_dir}/${project}" \
+    --configuration Release \
+    --no-restore \
+    --logger "trx;LogFileName=${project_name}.trx" \
+    --results-directory "${results_dir}"
+done

scripts/ci/verify-macos-agent.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+dotnet_bin="${DOTNET_BIN:-/Users/brent/.dotnet/dotnet}"
+test_dotnet_bin="${DOTNET_TEST_BIN:-/usr/local/share/dotnet/dotnet}"
+developer_dir="${DEVELOPER_DIR:-/Applications/Xcode.app/Contents/Developer}"
+
+if [[ ! -x "${dotnet_bin}" ]]; then
+  echo "Missing Xcode 26 build SDK at ${dotnet_bin}." >&2
+  exit 2
+fi
+
+if [[ ! -x "${test_dotnet_bin}" ]]; then
+  echo "Missing .NET 9 test SDK at ${test_dotnet_bin}." >&2
+  exit 2
+fi
+
+if [[ ! -d "${developer_dir}" ]]; then
+  echo "Missing Xcode developer directory at ${developer_dir}." >&2
+  exit 2
+fi
+
+export DEVELOPER_DIR="${developer_dir}"
+
+java -version
+xcodebuild -version
+"${dotnet_bin}" --info
+"${dotnet_bin}" workload list
+DOTNET_ROOT=/usr/local/share/dotnet "${test_dotnet_bin}" --info
+
+# Signing is not required for the unsigned compile build, but report what will be
+# available to later approval-gated device and TestFlight stages.
+security find-identity -v -p codesigning || true

src/FieldLogger.Sync/OutboundStore.cs

@@ -98,10 +98,12 @@ public sealed class SqliteOutboundStore : IOutboundStore
     {
         await _db.CreateTableAsync<OutboundMessage>();
         // A process crash can leave rows in-flight after the broker accepted them but before
-        // the application ack was applied. Requeue them; pointId makes the replay idempotent.
+        // the application ack was applied. Requeue them for immediate replay; pointId makes
+        // the replay idempotent. A zero due-time also keeps recovery independent of whichever
+        // clock implementation the sync engine uses.
         await _db.ExecuteAsync(
             "UPDATE outbound SET Status = ?, NextAttemptUnixMs = ? WHERE Status = ?",
-            (int)OutboundStatus.Pending, DateTimeOffset.UtcNow.ToUnixTimeMilliseconds(),
+            (int)OutboundStatus.Pending, 0,
             (int)OutboundStatus.InFlight);
     }