83 - Add a publish success rate chart to the dashboard

.gitignore

@@ -26,3 +26,4 @@ yarn-error.log
 /.php-cs-fixer.dist.php
 /.php-cs-fixer.cache
 /.codewhale
+.aider*

app/Dashboard/Stats/ApprovalRate.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Dashboard\Stats;
+
+use App\Enums\ApprovalStatusEnum;
+use App\Models\RouteArticle;
+use App\Support\DateRange;
+
+class ApprovalRate extends DailySeriesStat
+{
+    public function key(): string
+    {
+        return 'approval-rate';
+    }
+
+    public function label(): string
+    {
+        return 'Approval Rate';
+    }
+
+    protected function series(DateRange $range, array $days): SeriesResult
+    {
+        $decisions = RouteArticle::query()
+            ->toBase()
+            ->whereNotNull('decided_at')
+            ->whereBetween('decided_at', [$range->from, $range->to])
+            ->whereIn('approval_status', ApprovalStatusEnum::decidedValues())
+            ->selectRaw(
+                'DATE(decided_at) as bucket, COUNT(*) as total, SUM(CASE WHEN approval_status = ? THEN 1 ELSE 0 END) as approved',
+                [ApprovalStatusEnum::APPROVED->value],
+            )
+            ->groupBy('bucket')
+            ->get()
+            ->keyBy('bucket');
+
+        $values = array_map(
+            function (string $day) use ($decisions): ?float {
+                $decision = $decisions->get($day);
+
+                if ($decision === null || (int) $decision->total === 0) {
+                    return null;
+                }
+
+                return round(((int) $decision->approved / (int) $decision->total) * 100, 1);
+            },
+            $days,
+        );
+
+        return new SeriesResult($days, [
+            new Series('Approval Rate', $values, zeroIsMeaningful: true),
+        ]);
+    }
+}

app/Dashboard/Stats/ArticlesTrend.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Dashboard\Stats;
+
+use App\Models\Article;
+use App\Models\ArticlePublication;
+use App\Support\DateRange;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+
+class ArticlesTrend extends DailySeriesStat
+{
+    public function key(): string
+    {
+        return 'articles-trend';
+    }
+
+    public function label(): string
+    {
+        return 'Articles Fetched vs Published';
+    }
+
+    protected function series(DateRange $range, array $days): SeriesResult
+    {
+        return new SeriesResult($days, [
+            new Series('Fetched', $this->countByDay(Article::query(), 'created_at', $range, $days)),
+            new Series('Published', $this->countByDay(ArticlePublication::query(), 'published_at', $range, $days)),
+        ]);
+    }
+
+    /**
+     * @param  Builder<covariant Model>  $query
+     * @param  array<int, string>  $days
+     * @return array<int, int>
+     */
+    private function countByDay(Builder $query, string $column, DateRange $range, array $days): array
+    {
+        /** @var array<string, int> $counts */
+        $counts = $query
+            ->whereBetween($column, [$range->from, $range->to])
+            ->selectRaw("DATE({$column}) as bucket, COUNT(*) as aggregate")
+            ->groupBy('bucket')
+            ->pluck('aggregate', 'bucket')
+            ->all();
+
+        return array_map(
+            fn (string $day): int => (int) ($counts[$day] ?? 0),
+            $days,
+        );
+    }
+}

app/Dashboard/Stats/DailySeriesStat.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Dashboard\Stats;
+
+use App\Support\DateRange;
+
+abstract class DailySeriesStat implements SeriesStat
+{
+    final public function for(DateRange $range): SeriesResult
+    {
+        if (! $range->isBucketableByDay()) {
+            return SeriesResult::tooWide();
+        }
+
+        return $this->series($range, $range->days());
+    }
+
+    /**
+     * @param  array<int, string>  $days
+     */
+    abstract protected function series(DateRange $range, array $days): SeriesResult;
+}

app/Dashboard/Stats/PublicationsPerChannel.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Dashboard\Stats;
+
+use App\Models\ArticlePublication;
+use App\Models\PlatformChannel;
+use App\Support\DateRange;
+
+class PublicationsPerChannel implements BreakdownStat
+{
+    public function key(): string
+    {
+        return 'publications-per-channel';
+    }
+
+    public function label(): string
+    {
+        return 'Publications per Channel';
+    }
+
+    public function for(DateRange $range): BreakdownResult
+    {
+        /** @var array<int, int> $counts */
+        $counts = ArticlePublication::query()
+            ->whereBetween('published_at', [$range->from, $range->to])
+            ->selectRaw('platform_channel_id, COUNT(*) as aggregate')
+            ->groupBy('platform_channel_id')
+            ->pluck('aggregate', 'platform_channel_id')
+            ->all();
+
+        // Zero-fill in PHP; assumes the channel table stays small enough to load whole.
+        $rows = PlatformChannel::query()
+            ->get()
+            ->map(fn (PlatformChannel $channel): Breakdown => new Breakdown(
+                $channel->display_name,
+                (int) ($counts[$channel->id] ?? 0),
+            ))
+            ->all();
+
+        usort(
+            $rows,
+            fn (Breakdown $a, Breakdown $b): int => [$b->count, $a->label] <=> [$a->count, $b->label],
+        );
+
+        return new BreakdownResult($rows);
+    }
+}

app/Dashboard/Stats/PublishSuccessRate.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Dashboard\Stats;
+
+use App\Enums\PublishStatusEnum;
+use App\Models\RouteArticle;
+use App\Support\DateRange;
+
+class PublishSuccessRate extends DailySeriesStat
+{
+    public function key(): string
+    {
+        return 'publish-success-rate';
+    }
+
+    public function label(): string
+    {
+        return 'Publish Success Rate';
+    }
+
+    protected function series(DateRange $range, array $days): SeriesResult
+    {
+        // Buckets follow updated_at, so a retry re-dates its article to the retry day.
+        $attempts = RouteArticle::query()
+            ->toBase()
+            ->whereBetween('updated_at', [$range->from, $range->to])
+            ->whereIn('publish_status', PublishStatusEnum::settledValues())
+            ->selectRaw(
+                'DATE(updated_at) as bucket, COUNT(*) as total, SUM(CASE WHEN publish_status = ? THEN 1 ELSE 0 END) as published',
+                [PublishStatusEnum::PUBLISHED->value],
+            )
+            ->groupBy('bucket')
+            ->get()
+            ->keyBy('bucket');
+
+        $values = array_map(
+            function (string $day) use ($attempts): ?float {
+                $attempt = $attempts->get($day);
+
+                if ($attempt === null || (int) $attempt->total === 0) {
+                    return null;
+                }
+
+                return round(((int) $attempt->published / (int) $attempt->total) * 100, 1);
+            },
+            $days,
+        );
+
+        return new SeriesResult($days, [
+            new Series('Publish Success Rate', $values, zeroIsMeaningful: true),
+        ]);
+    }
+}

app/Dashboard/Stats/Series.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Dashboard\Stats;
+
+class Series
+{
+    /**
+     * @param  array<int, int|float|null>  $values
+     * @param  bool  $zeroIsMeaningful  A rate of 0 is a real measurement; a count of 0 is an absence.
+     */
+    public function __construct(
+        public readonly string $name,
+        public readonly array $values,
+        public readonly bool $zeroIsMeaningful = false,
+    ) {}
+
+    public function hasData(): bool
+    {
+        foreach ($this->values as $value) {
+            if ($value === null) {
+                continue;
+            }
+
+            if ($this->zeroIsMeaningful || $value != 0) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}

app/Dashboard/Stats/SeriesResult.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Dashboard\Stats;
+
+use InvalidArgumentException;
+
+class SeriesResult
+{
+    private bool $tooWide = false;
+
+    /**
+     * @param  array<int, string>  $labels
+     * @param  array<int, Series>  $series
+     */
+    public function __construct(
+        public readonly array $labels,
+        public readonly array $series,
+    ) {
+        foreach ($series as $one) {
+            if (count($one->values) !== count($labels)) {
+                throw new InvalidArgumentException(
+                    "Series [{$one->name}] has ".count($one->values).' values for '.count($labels).' labels.'
+                );
+            }
+        }
+    }
+
+    public static function tooWide(): self
+    {
+        $result = new self([], []);
+        $result->tooWide = true;
+
+        return $result;
+    }
+
+    public function isTooWide(): bool
+    {
+        return $this->tooWide;
+    }
+
+    /** True only when no axis was built; a real range always has one label per day. */
+    public function isEmpty(): bool
+    {
+        return ! $this->tooWide && $this->labels === [];
+    }
+
+    /** True when no series carries a measurement — an axis exists but nothing happened on it. */
+    public function hasNoData(): bool
+    {
+        foreach ($this->series as $one) {
+            if ($one->hasData()) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}

app/Dashboard/Stats/SeriesStat.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Dashboard\Stats;
+
+use App\Support\DateRange;
+
+interface SeriesStat extends Stat
+{
+    public function for(DateRange $range): SeriesResult;
+}

app/Enums/ApprovalStatusEnum.php

@@ -7,4 +7,20 @@ enum ApprovalStatusEnum: string
     case PENDING = 'pending';
     case APPROVED = 'approved';
     case REJECTED = 'rejected';
+
+    public function isDecided(): bool
+    {
+        return $this !== self::PENDING;
+    }
+
+    /**
+     * @return array<int, string>
+     */
+    public static function decidedValues(): array
+    {
+        return array_values(array_map(
+            fn (self $status): string => $status->value,
+            array_filter(self::cases(), fn (self $status): bool => $status->isDecided()),
+        ));
+    }
 }

app/Enums/PublishStatusEnum.php

@@ -9,4 +9,21 @@ enum PublishStatusEnum: string
     case PUBLISHED = 'published';
     case SKIPPED = 'skipped';
     case ERROR = 'error';
+
+    /** Skipped articles were never attempted, so they are not a publish outcome. */
+    public function isSettled(): bool
+    {
+        return $this === self::PUBLISHED || $this === self::ERROR;
+    }
+
+    /**
+     * @return array<int, string>
+     */
+    public static function settledValues(): array
+    {
+        return array_values(array_map(
+            fn (self $status): string => $status->value,
+            array_filter(self::cases(), fn (self $status): bool => $status->isSettled()),
+        ));
+    }
 }

app/Http/Controllers/Api/V1/RouteArticlesController.php

@@ -71,7 +71,10 @@ public function reject(RouteArticle $routeArticle): JsonResponse
     public function restore(RouteArticle $routeArticle): JsonResponse
     {
         try {
-            $routeArticle->update(['approval_status' => ApprovalStatusEnum::PENDING]);
+            $routeArticle->update([
+                'approval_status' => ApprovalStatusEnum::PENDING,
+                'decided_at' => null,
+            ]);
 
             return $this->sendResponse(
                 new RouteArticleResource($routeArticle->fresh(['article.feed', 'feed', 'platformChannel'])),
@@ -88,7 +91,10 @@ public function clear(): JsonResponse
             $count = RouteArticle::where('approval_status', ApprovalStatusEnum::PENDING)->count();
 
             RouteArticle::where('approval_status', ApprovalStatusEnum::PENDING)
-                ->update(['approval_status' => ApprovalStatusEnum::REJECTED]);
+                ->update([
+                    'approval_status' => ApprovalStatusEnum::REJECTED,
+                    'decided_at' => now(),
+                ]);
 
             return $this->sendResponse(
                 ['rejected_count' => $count],

app/Livewire/Articles.php

@@ -74,13 +74,19 @@ public function reject(int $routeArticleId): void
     public function restore(int $routeArticleId): void
     {
         $routeArticle = RouteArticle::findOrFail($routeArticleId);
-        $routeArticle->update(['approval_status' => ApprovalStatusEnum::PENDING]);
+        $routeArticle->update([
+            'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
+        ]);
     }
 
     public function clear(): void
     {
         $feed = $this->feedId !== null ? Feed::find($this->feedId) : null;
-        $cleared = $this->clearableQuery()->update(['approval_status' => ApprovalStatusEnum::REJECTED]);
+        $cleared = $this->clearableQuery()->update([
+            'approval_status' => ApprovalStatusEnum::REJECTED,
+            'decided_at' => now(),
+        ]);
 
         if ($cleared > 0) {
             ActivityLogged::dispatch(

app/Livewire/Dashboard.php

@@ -2,8 +2,14 @@
 
 namespace App\Livewire;
 
+use App\Dashboard\Stats\ApprovalRate;
 use App\Dashboard\Stats\ArticlesPerFeed;
+use App\Dashboard\Stats\ArticlesTrend;
 use App\Dashboard\Stats\BreakdownResult;
+use App\Dashboard\Stats\BreakdownStat;
+use App\Dashboard\Stats\PublicationsPerChannel;
+use App\Dashboard\Stats\PublishSuccessRate;
+use App\Dashboard\Stats\SeriesResult;
 use App\Services\DashboardStatsService;
 use App\Support\DateRange;
 use Illuminate\Contracts\View\View;
@@ -20,7 +26,7 @@ class Dashboard extends Component
 
     public function mount(): void
     {
-        $this->applyPreset('today');
+        $this->applyPreset('month');
     }
 
     /**
@@ -28,7 +34,14 @@ public function mount(): void
      *
      * @var array<int, string>
      */
-    private const RANGE_DEPENDENT_ISLANDS = ['article-statistics', 'articles-per-feed'];
+    private const RANGE_DEPENDENT_ISLANDS = [
+        'article-statistics',
+        'articles-trend',
+        'approval-rate',
+        'publish-success-rate',
+        'articles-per-feed',
+        'publications-per-channel',
+    ];
 
     public function applyPreset(string $preset): void
     {
@@ -113,12 +126,56 @@ public function articleStats(): array
     }
 
     #[Computed]
-    public function articlesPerFeed(): BreakdownResult
+    public function articlesTrend(): SeriesResult
     {
         $range = $this->range();
 
         return $range instanceof DateRange
-            ? app(ArticlesPerFeed::class)->for($range)
+            ? app(ArticlesTrend::class)->for($range)
+            : new SeriesResult([], []);
+    }
+
+    #[Computed]
+    public function approvalRate(): SeriesResult
+    {
+        $range = $this->range();
+
+        return $range instanceof DateRange
+            ? app(ApprovalRate::class)->for($range)
+            : new SeriesResult([], []);
+    }
+
+    #[Computed]
+    public function publishSuccessRate(): SeriesResult
+    {
+        $range = $this->range();
+
+        return $range instanceof DateRange
+            ? app(PublishSuccessRate::class)->for($range)
+            : new SeriesResult([], []);
+    }
+
+    #[Computed]
+    public function articlesPerFeed(): BreakdownResult
+    {
+        return $this->breakdown(ArticlesPerFeed::class);
+    }
+
+    #[Computed]
+    public function publicationsPerChannel(): BreakdownResult
+    {
+        return $this->breakdown(PublicationsPerChannel::class);
+    }
+
+    /**
+     * @param  class-string<BreakdownStat>  $stat
+     */
+    private function breakdown(string $stat): BreakdownResult
+    {
+        $range = $this->range();
+
+        return $range instanceof DateRange
+            ? app($stat)->for($range)
             : new BreakdownResult([]);
     }
 

app/Models/RouteArticle.php

@@ -24,6 +24,7 @@
  * @property int $publish_attempts
  * @property Carbon|null $next_attempt_at
  * @property Carbon|null $validated_at
+ * @property Carbon|null $decided_at
  * @property Carbon $created_at
  * @property Carbon $updated_at
  */
@@ -41,6 +42,7 @@ class RouteArticle extends Model
         'publish_attempts',
         'next_attempt_at',
         'validated_at',
+        'decided_at',
     ];
 
     protected $casts = [
@@ -49,6 +51,7 @@ class RouteArticle extends Model
         'publish_attempts' => 'integer',
         'next_attempt_at' => 'datetime',
         'validated_at' => 'datetime',
+        'decided_at' => 'datetime',
     ];
 
     /**
@@ -105,7 +108,10 @@ public function approve(): void
             return;
         }
 
-        $this->update(['approval_status' => ApprovalStatusEnum::APPROVED]);
+        $this->update([
+            'approval_status' => ApprovalStatusEnum::APPROVED,
+            'decided_at' => now(),
+        ]);
 
         ActivityLogged::dispatch(
             ActivityTypeEnum::APPROVE,
@@ -123,7 +129,10 @@ public function reject(): void
             return;
         }
 
-        $this->update(['approval_status' => ApprovalStatusEnum::REJECTED]);
+        $this->update([
+            'approval_status' => ApprovalStatusEnum::REJECTED,
+            'decided_at' => now(),
+        ]);
 
         ActivityLogged::dispatch(
             ActivityTypeEnum::REJECT,

app/Services/Article/ValidationService.php

@@ -83,6 +83,7 @@ private function createRouteArticles(Article $article, string $content): void
                 [
                     'approval_status' => $status,
                     'validated_at' => now(),
+                    'decided_at' => $status === ApprovalStatusEnum::PENDING ? null : now(),
                 ]
             );
         }

app/Support/DateRange.php

@@ -46,6 +46,11 @@ public static function presets(): array
         ];
     }
 
+    public function isBucketableByDay(): bool
+    {
+        return $this->from->copy()->startOfDay()->diffInDays($this->to->copy()->startOfDay()) < self::MAX_DAYS;
+    }
+
     /**
      * Every day the range touches, as Y-m-d, so callers can zero-fill empty buckets.
      *
@@ -57,7 +62,7 @@ public function days(): array
         $cursor = $this->from->copy()->startOfDay();
         $last = $this->to->copy()->startOfDay();
 
-        if ($cursor->diffInDays($last) >= self::MAX_DAYS) {
+        if (! $this->isBucketableByDay()) {
             throw new InvalidArgumentException(
                 'A range wider than '.self::MAX_DAYS.' days cannot be bucketed by day; bucket by month instead.'
             );

database/factories/RouteArticleFactory.php

@@ -62,6 +62,7 @@ public function pending(): static
     {
         return $this->state(fn (array $attributes) => [
             'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
         ]);
     }
 
@@ -70,6 +71,7 @@ public function approved(): static
         return $this->state(fn (array $attributes) => [
             'approval_status' => ApprovalStatusEnum::APPROVED,
             'validated_at' => now(),
+            'decided_at' => now(),
         ]);
     }
 
@@ -78,6 +80,7 @@ public function rejected(): static
         return $this->state(fn (array $attributes) => [
             'approval_status' => ApprovalStatusEnum::REJECTED,
             'validated_at' => now(),
+            'decided_at' => now(),
         ]);
     }
 }

database/migrations/2024_01_01_000021_add_decided_at_to_route_articles.php

@@ -0,0 +1,25 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('route_articles', function (Blueprint $table) {
+            $table->timestamp('decided_at')->nullable()->after('validated_at');
+
+            $table->index('decided_at');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('route_articles', function (Blueprint $table) {
+            $table->dropIndex(['decided_at']);
+            $table->dropColumn('decided_at');
+        });
+    }
+};

package.json

@@ -15,7 +15,7 @@
         "vite": "^6.2.4"
     },
     "dependencies": {
-        "alpinejs": "^3.14.8",
-        "axios": "^1.8.0"
+        "axios": "^1.8.0",
+        "chart.js": "^4.5.1"
     }
 }

resources/js/app.js

@@ -1 +1,7 @@
-import "./bootstrap";
+import { Alpine, Livewire } from '../../vendor/livewire/livewire/dist/livewire.esm';
+import './bootstrap';
+import trendChart from './chart';
+
+Alpine.data('trendChart', trendChart);
+
+Livewire.start();

resources/js/chart.js

@@ -0,0 +1,74 @@
+import {
+    CategoryScale,
+    Chart,
+    Filler,
+    Legend,
+    LinearScale,
+    LineController,
+    LineElement,
+    PointElement,
+    Tooltip,
+} from 'chart.js';
+
+Chart.register(
+    CategoryScale,
+    Filler,
+    Legend,
+    LinearScale,
+    LineController,
+    LineElement,
+    PointElement,
+    Tooltip,
+);
+
+const palette = ['#3b82f6', '#10b981'];
+
+export default function trendChart({ labels = [], series = [], suffix = '', max = null } = {}) {
+    return {
+        chart: null,
+
+        init() {
+            this.chart = new Chart(this.$refs.canvas, {
+                type: 'line',
+                data: {
+                    labels,
+                    datasets: series.map((one, index) => ({
+                        label: one.name,
+                        data: one.values,
+                        borderColor: palette[index % palette.length],
+                        backgroundColor: palette[index % palette.length],
+                        spanGaps: false,
+                        tension: 0.3,
+                    })),
+                },
+                options: {
+                    responsive: true,
+                    maintainAspectRatio: false,
+                    interaction: { mode: 'index', intersect: false },
+                    scales: {
+                        y: {
+                            beginAtZero: true,
+                            max,
+                            ticks: {
+                                precision: 0,
+                                callback: (value) => `${value}${suffix}`,
+                            },
+                        },
+                    },
+                    plugins: {
+                        tooltip: {
+                            callbacks: {
+                                label: (ctx) => `${ctx.dataset.label}: ${ctx.formattedValue}${suffix}`,
+                            },
+                        },
+                    },
+                },
+            });
+        },
+
+        destroy() {
+            this.chart?.destroy();
+            this.chart = null;
+        },
+    };
+}

resources/views/layouts/app.blade.php

@@ -119,6 +119,6 @@ class="px-4 border-r border-gray-200 dark:border-gray-700 text-gray-500 dark:tex
             </div>
         </div>
 
-        @livewireScripts
+        @livewireScriptConfig
     </body>
 </html>

resources/views/layouts/guest.blade.php

@@ -47,6 +47,6 @@
                 <p>Route your feeds to the Fediverse</p>
             </div>
         </div>
-        @livewireScripts
+        @livewireScriptConfig
     </body>
 </html>

resources/views/layouts/onboarding.blade.php

@@ -67,6 +67,6 @@
                 <p>Route your feeds to the Fediverse</p>
             </div>
         </div>
-        @livewireScripts
+        @livewireScriptConfig
     </body>
 </html>

resources/views/livewire/dashboard.blade.php

@@ -183,36 +183,73 @@ class="rounded-md border border-gray-300 text-sm focus:border-blue-500 focus:rin
         @endisland
     </div>
 
-    <!-- Articles per Feed -->
-    <div class="mt-8">
-        <h2 class="text-lg font-semibold text-gray-900 mb-4 dark:text-gray-100">Articles per Feed</h2>
+    <!-- Trend and breakdowns -->
+    <div class="mt-8 grid grid-cols-1 gap-6 lg:grid-cols-3">
+        <div>
+            <h2 class="text-lg font-semibold text-gray-900 mb-4 dark:text-gray-100">Fetched vs Published</h2>
 
-        @island('articles-per-feed')
-        <div @class(['bg-white p-6 rounded-lg shadow-sm dark:bg-gray-800', 'opacity-40' => ! $rangeIsValid])>
-            @if ($this->articlesPerFeed->rows === [])
-                <p class="text-sm text-gray-500 dark:text-gray-400">No feeds are configured yet.</p>
-            @else
-                <ul class="space-y-3">
-                    @foreach ($this->articlesPerFeed->rows as $row)
-                        <li>
-                            <div class="flex items-center justify-between text-sm">
-                                <span class="font-medium text-gray-700 dark:text-gray-200">{{ $row->label }}</span>
-                                <span class="text-gray-500 dark:text-gray-400">
-                                    {{ $row->count }}
-                                    <span class="ml-1 text-xs">({{ $this->articlesPerFeed->shareOf($row) }}%)</span>
-                                </span>
-                            </div>
-                            <div class="mt-1 h-2 w-full overflow-hidden rounded-full bg-gray-100 dark:bg-gray-700">
-                                <div
-                                    class="h-full rounded-full bg-blue-500"
-                                    style="width: {{ $this->articlesPerFeed->shareOf($row) }}%"
-                                ></div>
-                            </div>
-                        </li>
-                    @endforeach
-                </ul>
-            @endif
+            @island('articles-trend')
+            @include('livewire.partials.trend-panel', [
+                'island' => 'articles-trend',
+                'result' => $this->articlesTrend,
+                'emptyMessage' => 'No articles or publications in this range.',
+                'tooWideMessage' => 'This range is too wide to chart by day. Pick a range under two years.',
+            ])
+            @endisland
+        </div>
+
+        <div>
+            <h2 class="text-lg font-semibold text-gray-900 mb-4 dark:text-gray-100">Approval Rate</h2>
+
+            @island('approval-rate')
+            @include('livewire.partials.trend-panel', [
+                'island' => 'approval-rate',
+                'result' => $this->approvalRate,
+                'emptyMessage' => 'No approval decisions in this range.',
+                'tooWideMessage' => 'This range is too wide to chart by day. Pick a range under two years.',
+                'suffix' => '%',
+                'max' => 100,
+            ])
+            @endisland
+        </div>
+
+        <div>
+            <h2 class="text-lg font-semibold text-gray-900 mb-4 dark:text-gray-100">Publish Success Rate</h2>
+
+            @island('publish-success-rate')
+            @include('livewire.partials.trend-panel', [
+                'island' => 'publish-success-rate',
+                'result' => $this->publishSuccessRate,
+                'emptyMessage' => 'No publish attempts in this range.',
+                'tooWideMessage' => 'This range is too wide to chart by day. Pick a range under two years.',
+                'suffix' => '%',
+                'max' => 100,
+            ])
+            @endisland
+        </div>
+
+        <div class="space-y-6">
+            <div>
+                <h2 class="text-lg font-semibold text-gray-900 mb-4 dark:text-gray-100">Articles per Feed</h2>
+
+                @island('articles-per-feed')
+                @include('livewire.partials.breakdown-panel', [
+                    'result' => $this->articlesPerFeed,
+                    'emptyMessage' => 'No feeds are configured yet.',
+                ])
+                @endisland
+            </div>
+
+            <div>
+                <h2 class="text-lg font-semibold text-gray-900 mb-4 dark:text-gray-100">Publications per Channel</h2>
+
+                @island('publications-per-channel')
+                @include('livewire.partials.breakdown-panel', [
+                    'result' => $this->publicationsPerChannel,
+                    'emptyMessage' => 'No channels are configured yet.',
+                ])
+                @endisland
+            </div>
         </div>
-        @endisland
     </div>
 </div>

resources/views/livewire/partials/breakdown-panel.blade.php

@@ -0,0 +1,22 @@
+<div @class(['bg-white p-6 rounded-lg shadow-sm dark:bg-gray-800', 'opacity-40' => ! $rangeIsValid])>
+    @if ($result->rows === [])
+        <p class="text-sm text-gray-500 dark:text-gray-400">{{ $emptyMessage }}</p>
+    @else
+        <ul class="space-y-3">
+            @foreach ($result->rows as $row)
+                <li>
+                    <div class="flex items-center justify-between text-sm">
+                        <span class="font-medium text-gray-700 dark:text-gray-200">{{ $row->label }}</span>
+                        <span class="text-gray-500 dark:text-gray-400">
+                            {{ $row->count }}
+                            <span class="ml-1 text-xs">({{ $result->shareOf($row) }}%)</span>
+                        </span>
+                    </div>
+                    <div class="mt-1 h-2 w-full overflow-hidden rounded-full bg-gray-100 dark:bg-gray-700">
+                        <div class="h-full rounded-full bg-blue-500" style="width: {{ $result->shareOf($row) }}%"></div>
+                    </div>
+                </li>
+            @endforeach
+        </ul>
+    @endif
+</div>

resources/views/livewire/partials/trend-panel.blade.php

@@ -0,0 +1,17 @@
+@php($payload = ['labels' => $result->labels, 'series' => collect($result->series)->map(fn ($series) => ['name' => $series->name, 'values' => $series->values])->all(), 'suffix' => $suffix ?? '', 'max' => $max ?? null])
+
+<div @class(['bg-white p-6 rounded-lg shadow-sm dark:bg-gray-800', 'opacity-40' => ! $rangeIsValid])>
+    @if ($result->isTooWide())
+        <p class="text-sm text-gray-500 dark:text-gray-400">{{ $tooWideMessage }}</p>
+    @elseif ($result->isEmpty() || $result->hasNoData())
+        <p class="text-sm text-gray-500 dark:text-gray-400">{{ $emptyMessage }}</p>
+    @else
+        <div
+            wire:key="chart-{{ md5($island.json_encode($payload)) }}"
+            x-data="trendChart({{ Js::from($payload) }})"
+            class="relative h-72"
+        >
+            <canvas x-ref="canvas"></canvas>
+        </div>
+    @endif
+</div>

tests/Feature/Livewire/DashboardTest.php

@@ -2,9 +2,13 @@
 
 namespace Tests\Feature\Livewire;
 
+use App\Enums\ApprovalStatusEnum;
+use App\Enums\PublishStatusEnum;
 use App\Livewire\Dashboard;
 use App\Models\Article;
 use App\Models\Feed;
+use App\Models\PlatformChannel;
+use App\Models\RouteArticle;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Illuminate\Support\Carbon;
 use Livewire\Features\SupportTesting\Testable;
@@ -15,13 +19,13 @@ class DashboardTest extends TestCase
 {
     use RefreshDatabase;
 
-    public function test_it_defaults_to_the_current_day(): void
+    public function test_it_defaults_to_the_current_month(): void
     {
         Carbon::setTestNow('2026-07-15 13:45:00');
 
         Livewire::test(Dashboard::class)
-            ->assertSet('from', '2026-07-15')
-            ->assertSet('to', '2026-07-15');
+            ->assertSet('from', '2026-07-01')
+            ->assertSet('to', '2026-07-31');
     }
 
     public function test_it_recomputes_stats_when_the_range_changes(): void
@@ -62,8 +66,8 @@ public function test_it_ignores_an_unknown_preset(): void
 
         Livewire::test(Dashboard::class)
             ->call('applyPreset', 'fortnight')
-            ->assertSet('from', '2026-07-15')
-            ->assertSet('to', '2026-07-15')
+            ->assertSet('from', '2026-07-01')
+            ->assertSet('to', '2026-07-31')
             ->assertHasNoErrors();
     }
 
@@ -223,6 +227,29 @@ public function test_it_refreshes_the_articles_per_feed_island_when_the_range_ch
         $this->assertStringContainsString('Example Feed', $fragments);
     }
 
+    public function test_it_renders_the_publications_per_channel_breakdown_on_mount(): void
+    {
+        Carbon::setTestNow('2026-07-15 13:45:00');
+
+        PlatformChannel::factory()->create(['display_name' => 'Example Channel']);
+
+        Livewire::test(Dashboard::class)
+            ->assertSee('Publications per Channel')
+            ->assertSee('Example Channel');
+    }
+
+    public function test_it_refreshes_the_publications_per_channel_island_when_the_range_changes(): void
+    {
+        PlatformChannel::factory()->create(['display_name' => 'Example Channel']);
+
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringContainsString('name=publications-per-channel|', $fragments);
+        $this->assertStringContainsString('Example Channel', $fragments);
+    }
+
     public function test_it_re_renders_the_article_statistics_island_when_a_preset_is_applied(): void
     {
         Carbon::setTestNow('2026-07-15 13:45:00');
@@ -235,4 +262,223 @@ public function test_it_re_renders_the_article_statistics_island_when_a_preset_i
 
         $this->assertMatchesRegularExpression('/Articles Fetched.*?>\s*2\s*</s', $fragments);
     }
+
+    public function test_it_renders_the_trend_chart_on_mount(): void
+    {
+        Carbon::setTestNow('2026-07-15 13:45:00');
+
+        Article::factory()->create(['created_at' => Carbon::parse('2026-07-15 09:00:00')]);
+
+        Livewire::test(Dashboard::class)
+            ->assertSee('Fetched vs Published')
+            ->assertSee('trendChart(', false)
+            ->assertSee('x-ref="canvas"', false);
+    }
+
+    public function test_it_renders_the_trend_chart_in_its_own_island(): void
+    {
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringContainsString('name=articles-trend|', $fragments);
+    }
+
+    public function test_it_refreshes_the_trend_island_when_the_range_changes(): void
+    {
+        Article::factory()->count(2)->create(['created_at' => Carbon::parse('2026-07-10 12:00:00')]);
+
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringContainsString('name=articles-trend|', $fragments);
+        $this->assertStringContainsString('2026-07-10', $fragments);
+        $this->assertStringContainsString('Fetched', $fragments);
+        $this->assertStringContainsString('Published', $fragments);
+    }
+
+    public function test_it_reports_a_too_wide_range_instead_of_charting_it(): void
+    {
+        Carbon::setTestNow('2026-07-15 13:45:00');
+
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyPreset', 'all')
+        );
+
+        $this->assertStringContainsString('too wide to chart by day', $fragments);
+        $this->assertStringNotContainsString('x-ref="canvas"', $fragments);
+    }
+
+    public function test_it_reports_an_empty_range_separately_from_a_too_wide_one(): void
+    {
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringContainsString('No articles or publications in this range.', $fragments);
+        $this->assertStringNotContainsString('too wide to chart by day', $fragments);
+    }
+
+    public function test_it_keys_the_chart_on_its_data_so_a_range_change_replaces_it(): void
+    {
+        Article::factory()->create(['created_at' => Carbon::parse('2026-07-10 12:00:00')]);
+        Article::factory()->create(['created_at' => Carbon::parse('2026-08-10 12:00:00')]);
+
+        $july = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $august = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-08-01', '2026-08-31')
+        );
+
+        preg_match('/wire:key="(chart-[a-f0-9]+)"/', $july, $julyKey);
+        preg_match('/wire:key="(chart-[a-f0-9]+)"/', $august, $augustKey);
+
+        $this->assertNotEmpty($julyKey);
+        $this->assertNotEmpty($augustKey);
+        $this->assertNotSame($julyKey[1], $augustKey[1]);
+    }
+
+    public function test_it_keys_each_chart_separately_when_their_payloads_match(): void
+    {
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        preg_match_all('/wire:key="(chart-[a-f0-9]+)"/', $fragments, $keys);
+
+        $this->assertSame($keys[1], array_unique($keys[1]));
+    }
+
+    public function test_it_renders_the_approval_rate_chart_on_mount(): void
+    {
+        Carbon::setTestNow('2026-07-15 13:45:00');
+
+        RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::APPROVED,
+            'decided_at' => Carbon::parse('2026-07-15 09:00:00'),
+        ]);
+
+        Livewire::test(Dashboard::class)
+            ->assertSee('Approval Rate')
+            ->assertSee('trendChart(', false)
+            ->assertSee('x-ref="canvas"', false);
+    }
+
+    public function test_it_refreshes_the_approval_rate_island_when_the_range_changes(): void
+    {
+        RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::APPROVED,
+            'decided_at' => Carbon::parse('2026-07-10 12:00:00'),
+        ]);
+
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringContainsString('name=approval-rate|', $fragments);
+        $this->assertStringContainsString('Approval Rate', $fragments);
+        $this->assertStringContainsString('2026-07-10', $fragments);
+    }
+
+    public function test_it_charts_a_day_where_everything_was_rejected(): void
+    {
+        RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::REJECTED,
+            'decided_at' => Carbon::parse('2026-07-10 12:00:00'),
+        ]);
+
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringNotContainsString('No approval decisions in this range.', $fragments);
+    }
+
+    public function test_it_reports_a_range_with_no_approval_decisions(): void
+    {
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringContainsString('No approval decisions in this range.', $fragments);
+    }
+
+    public function test_it_renders_an_empty_trend_for_an_invalid_range(): void
+    {
+        Livewire::test(Dashboard::class)
+            ->set('from', 'not-a-date')
+            ->assertSee('Fetched vs Published')
+            ->assertDontSee('x-ref="canvas"', false);
+    }
+
+    private function publishAttempt(PublishStatusEnum $status, string $updatedAt): void
+    {
+        $routeArticle = RouteArticle::factory()->create(['publish_status' => $status]);
+
+        // Model::update() would re-stamp updated_at to now(); bypass via the query builder.
+        RouteArticle::query()
+            ->whereKey($routeArticle->getKey())
+            ->update(['updated_at' => Carbon::parse($updatedAt)]);
+    }
+
+    public function test_it_renders_the_publish_success_rate_chart_on_mount(): void
+    {
+        Carbon::setTestNow('2026-07-15 13:45:00');
+
+        $this->publishAttempt(PublishStatusEnum::PUBLISHED, '2026-07-15 09:00:00');
+
+        Livewire::test(Dashboard::class)
+            ->assertSee('Publish Success Rate')
+            ->assertSee('trendChart(', false)
+            ->assertSee('x-ref="canvas"', false);
+    }
+
+    public function test_it_refreshes_the_publish_success_rate_island_when_the_range_changes(): void
+    {
+        $this->publishAttempt(PublishStatusEnum::PUBLISHED, '2026-07-10 12:00:00');
+
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringContainsString('name=publish-success-rate|', $fragments);
+        $this->assertStringContainsString('Publish Success Rate', $fragments);
+        $this->assertStringContainsString('2026-07-10', $fragments);
+    }
+
+    public function test_it_charts_a_day_where_every_publish_failed(): void
+    {
+        $this->publishAttempt(PublishStatusEnum::ERROR, '2026-07-10 12:00:00');
+
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringNotContainsString('No publish attempts in this range.', $fragments);
+    }
+
+    public function test_it_reports_a_range_with_no_publish_attempts(): void
+    {
+        $this->publishAttempt(PublishStatusEnum::SKIPPED, '2026-07-10 12:00:00');
+
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        $this->assertStringContainsString('No publish attempts in this range.', $fragments);
+    }
+
+    public function test_every_range_dependent_island_re_renders_on_a_range_change(): void
+    {
+        $fragments = $this->islandFragments(
+            Livewire::test(Dashboard::class)->call('applyRange', '2026-07-01', '2026-07-31')
+        );
+
+        foreach (['articles-trend', 'approval-rate', 'publish-success-rate', 'articles-per-feed', 'publications-per-channel'] as $island) {
+            $this->assertStringContainsString("name={$island}|", $fragments);
+        }
+    }
 }

tests/Feature/RouteArticleDecisionStampingTest.php

@@ -0,0 +1,174 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Enums\ApprovalStatusEnum;
+use App\Livewire\Articles;
+use App\Models\Article;
+use App\Models\Feed;
+use App\Models\Keyword;
+use App\Models\PlatformChannel;
+use App\Models\Route;
+use App\Models\RouteArticle;
+use App\Models\User;
+use App\Services\Article\ArticleFetcher;
+use App\Services\Article\ValidationService;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Livewire\Livewire;
+use Mockery;
+use Tests\TestCase;
+
+class RouteArticleDecisionStampingTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_clearing_pending_articles_stamps_every_rejected_row(): void
+    {
+        $pending = RouteArticle::factory()->count(3)->create([
+            'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
+        ]);
+
+        Livewire::test(Articles::class)->call('clear');
+
+        foreach ($pending as $routeArticle) {
+            /** @var RouteArticle $fresh */
+            $fresh = $routeArticle->fresh();
+
+            $this->assertNotNull($fresh->decided_at);
+        }
+    }
+
+    public function test_the_api_clear_endpoint_stamps_every_rejected_row(): void
+    {
+        $pending = RouteArticle::factory()->count(3)->create([
+            'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
+        ]);
+
+        $this->actingAs(User::factory()->create())
+            ->postJson('/api/v1/route-articles/clear')
+            ->assertOk();
+
+        foreach ($pending as $routeArticle) {
+            /** @var RouteArticle $fresh */
+            $fresh = $routeArticle->fresh();
+
+            $this->assertNotNull($fresh->decided_at);
+        }
+    }
+
+    public function test_restoring_to_pending_clears_the_decision_time(): void
+    {
+        /** @var RouteArticle $routeArticle */
+        $routeArticle = RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::REJECTED,
+            'decided_at' => now(),
+        ]);
+
+        Livewire::test(Articles::class)->call('restore', $routeArticle->id);
+
+        $this->assertNull($routeArticle->fresh()->decided_at);
+    }
+
+    public function test_the_api_restore_endpoint_clears_the_decision_time(): void
+    {
+        /** @var RouteArticle $routeArticle */
+        $routeArticle = RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::REJECTED,
+            'decided_at' => now(),
+        ]);
+
+        $this->actingAs(User::factory()->create())
+            ->postJson("/api/v1/route-articles/{$routeArticle->id}/restore")
+            ->assertOk();
+
+        $this->assertNull($routeArticle->fresh()->decided_at);
+    }
+
+    public function test_auto_approved_articles_are_stamped_on_creation(): void
+    {
+        $article = $this->articleOnRouteWithoutKeywords(autoApprove: true);
+
+        $this->validate($article);
+
+        $routeArticle = RouteArticle::where('article_id', $article->id)->firstOrFail();
+
+        $this->assertSame(ApprovalStatusEnum::APPROVED, $routeArticle->approval_status);
+        $this->assertNotNull($routeArticle->decided_at);
+    }
+
+    public function test_keyword_rejected_articles_are_stamped_on_creation(): void
+    {
+        $article = $this->articleOnRouteWithKeyword('nothing-that-matches');
+
+        $this->validate($article);
+
+        $routeArticle = RouteArticle::where('article_id', $article->id)->firstOrFail();
+
+        $this->assertSame(ApprovalStatusEnum::REJECTED, $routeArticle->approval_status);
+        $this->assertNotNull($routeArticle->decided_at);
+    }
+
+    public function test_pending_articles_are_not_stamped_on_creation(): void
+    {
+        $article = $this->articleOnRouteWithoutKeywords(autoApprove: false);
+
+        $this->validate($article);
+
+        $routeArticle = RouteArticle::where('article_id', $article->id)->firstOrFail();
+
+        $this->assertSame(ApprovalStatusEnum::PENDING, $routeArticle->approval_status);
+        $this->assertNull($routeArticle->decided_at);
+    }
+
+    private function validate(Article $article): void
+    {
+        $fetcher = Mockery::mock(ArticleFetcher::class);
+        $fetcher->shouldReceive('fetchArticleData')
+            ->with($article)
+            ->once()
+            ->andReturn([
+                'title' => 'Test Title',
+                'description' => 'Test description',
+                'full_article' => 'Body text',
+            ]);
+
+        (new ValidationService($fetcher))->validate($article);
+    }
+
+    private function articleOnRouteWithoutKeywords(bool $autoApprove): Article
+    {
+        $feed = Feed::factory()->create();
+        $channel = PlatformChannel::factory()->create();
+
+        Route::factory()->create([
+            'feed_id' => $feed->id,
+            'platform_channel_id' => $channel->id,
+            'is_active' => true,
+            'auto_approve' => $autoApprove,
+        ]);
+
+        return Article::factory()->create(['feed_id' => $feed->id, 'validated_at' => null]);
+    }
+
+    private function articleOnRouteWithKeyword(string $keyword): Article
+    {
+        $feed = Feed::factory()->create();
+        $channel = PlatformChannel::factory()->create();
+
+        Route::factory()->create([
+            'feed_id' => $feed->id,
+            'platform_channel_id' => $channel->id,
+            'is_active' => true,
+        ]);
+
+        Keyword::factory()->active()->create([
+            'feed_id' => $feed->id,
+            'platform_channel_id' => $channel->id,
+            'keyword' => $keyword,
+        ]);
+
+        return Article::factory()->create(['feed_id' => $feed->id, 'validated_at' => null]);
+    }
+}

tests/Unit/Dashboard/Stats/ApprovalRateTest.php

@@ -0,0 +1,149 @@
+<?php
+
+namespace Tests\Unit\Dashboard\Stats;
+
+use App\Dashboard\Stats\ApprovalRate;
+use App\Dashboard\Stats\DailySeriesStat;
+use App\Enums\ApprovalStatusEnum;
+use App\Models\RouteArticle;
+use App\Support\DateRange;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Carbon;
+use Tests\TestCase;
+
+class ApprovalRateTest extends TestCase
+{
+    use RefreshDatabase;
+
+    private function range(): DateRange
+    {
+        return new DateRange(
+            Carbon::parse('2026-07-01 00:00:00'),
+            Carbon::parse('2026-07-31 23:59:59'),
+        );
+    }
+
+    /**
+     * @return array<string, float|null>
+     */
+    private function values(): array
+    {
+        $result = (new ApprovalRate)->for($this->range());
+
+        return array_combine($result->labels, $result->series[0]->values);
+    }
+
+    private function decision(ApprovalStatusEnum $status, string $decidedAt): void
+    {
+        RouteArticle::factory()->create([
+            'approval_status' => $status,
+            'decided_at' => Carbon::parse($decidedAt),
+        ]);
+    }
+
+    public function test_it_computes_the_approval_share_of_daily_decisions(): void
+    {
+        $this->decision(ApprovalStatusEnum::APPROVED, '2026-07-10 09:00:00');
+        $this->decision(ApprovalStatusEnum::APPROVED, '2026-07-10 10:00:00');
+        $this->decision(ApprovalStatusEnum::APPROVED, '2026-07-10 11:00:00');
+        $this->decision(ApprovalStatusEnum::REJECTED, '2026-07-10 12:00:00');
+
+        $this->assertSame(75.0, $this->values()['2026-07-10']);
+    }
+
+    public function test_it_excludes_pending_articles_from_the_denominator(): void
+    {
+        $this->decision(ApprovalStatusEnum::APPROVED, '2026-07-10 09:00:00');
+
+        RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
+            'created_at' => Carbon::parse('2026-07-10 09:00:00'),
+        ]);
+
+        $this->assertSame(100.0, $this->values()['2026-07-10']);
+    }
+
+    public function test_it_reports_no_rate_for_a_day_with_no_decisions(): void
+    {
+        $this->decision(ApprovalStatusEnum::APPROVED, '2026-07-10 09:00:00');
+
+        $this->assertNull($this->values()['2026-07-11']);
+    }
+
+    public function test_it_reports_a_zero_rate_when_everything_was_rejected(): void
+    {
+        $this->decision(ApprovalStatusEnum::REJECTED, '2026-07-10 09:00:00');
+        $this->decision(ApprovalStatusEnum::REJECTED, '2026-07-10 10:00:00');
+
+        $this->assertSame(0.0, $this->values()['2026-07-10']);
+    }
+
+    public function test_it_buckets_by_decision_time_not_creation_time(): void
+    {
+        RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::APPROVED,
+            'created_at' => Carbon::parse('2026-07-05 09:00:00'),
+            'decided_at' => Carbon::parse('2026-07-20 09:00:00'),
+        ]);
+
+        $values = $this->values();
+
+        $this->assertNull($values['2026-07-05']);
+        $this->assertSame(100.0, $values['2026-07-20']);
+    }
+
+    public function test_it_ignores_articles_decided_before_the_column_existed(): void
+    {
+        RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::APPROVED,
+            'created_at' => Carbon::parse('2026-07-10 09:00:00'),
+            'decided_at' => null,
+        ]);
+
+        $this->assertNull($this->values()['2026-07-10']);
+    }
+
+    public function test_it_excludes_decisions_outside_the_range(): void
+    {
+        $this->decision(ApprovalStatusEnum::APPROVED, '2026-06-30 23:59:59');
+        $this->decision(ApprovalStatusEnum::APPROVED, '2026-08-01 00:00:00');
+
+        $this->assertSame(
+            [],
+            array_filter($this->values(), fn (?float $value): bool => $value !== null)
+        );
+    }
+
+    public function test_it_reports_a_meaningful_zero_as_data(): void
+    {
+        $this->decision(ApprovalStatusEnum::REJECTED, '2026-07-10 09:00:00');
+
+        $this->assertFalse((new ApprovalRate)->for($this->range())->hasNoData());
+    }
+
+    public function test_it_counts_every_decided_status_in_the_denominator(): void
+    {
+        $decided = array_filter(
+            ApprovalStatusEnum::cases(),
+            fn (ApprovalStatusEnum $status): bool => $status->isDecided(),
+        );
+
+        foreach ($decided as $status) {
+            $this->decision($status, '2026-07-10 09:00:00');
+        }
+
+        $this->assertSame(
+            round(100 / count($decided), 1),
+            $this->values()['2026-07-10'],
+        );
+    }
+
+    public function test_it_is_a_daily_series_stat(): void
+    {
+        $stat = new ApprovalRate;
+
+        $this->assertInstanceOf(DailySeriesStat::class, $stat);
+        $this->assertTrue($stat->for(DateRange::preset('all'))->isTooWide());
+    }
+}

tests/Unit/Dashboard/Stats/ArticlesTrendTest.php

@@ -0,0 +1,257 @@
+<?php
+
+namespace Tests\Unit\Dashboard\Stats;
+
+use App\Dashboard\Stats\ArticlesTrend;
+use App\Dashboard\Stats\DailySeriesStat;
+use App\Dashboard\Stats\Series;
+use App\Dashboard\Stats\SeriesResult;
+use App\Enums\PublishStatusEnum;
+use App\Models\Article;
+use App\Models\ArticlePublication;
+use App\Models\PlatformChannel;
+use App\Models\RouteArticle;
+use App\Support\DateRange;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\DB;
+use Tests\TestCase;
+
+class ArticlesTrendTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        Carbon::setTestNow(Carbon::parse('2026-07-15 12:00:00'));
+    }
+
+    protected function tearDown(): void
+    {
+        Carbon::setTestNow();
+
+        parent::tearDown();
+    }
+
+    private function range(): DateRange
+    {
+        return new DateRange(
+            Carbon::parse('2026-07-01 00:00:00'),
+            Carbon::parse('2026-07-31 23:59:59'),
+        );
+    }
+
+    /**
+     * @return array<string, Series>
+     */
+    private function seriesByName(SeriesResult $result): array
+    {
+        $out = [];
+
+        foreach ($result->series as $one) {
+            $out[$one->name] = $one;
+        }
+
+        return $out;
+    }
+
+    public function test_it_counts_articles_fetched_per_day(): void
+    {
+        Article::factory()->count(2)->create([
+            'created_at' => Carbon::parse('2026-07-10 09:00:00'),
+        ]);
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-07-11 09:00:00'),
+        ]);
+
+        $result = (new ArticlesTrend)->for($this->range());
+
+        $days = $result->labels;
+        $fetched = $this->seriesByName($result)['Fetched'];
+
+        $this->assertSame(2, $fetched->values[array_search('2026-07-10', $days, true)]);
+        $this->assertSame(1, $fetched->values[array_search('2026-07-11', $days, true)]);
+    }
+
+    public function test_it_zero_fills_days_with_no_articles(): void
+    {
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-07-10 09:00:00'),
+        ]);
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-07-12 09:00:00'),
+        ]);
+
+        $result = (new ArticlesTrend)->for($this->range());
+
+        $days = $result->labels;
+        $fetched = $this->seriesByName($result)['Fetched'];
+
+        $this->assertSame(0, $fetched->values[array_search('2026-07-11', $days, true)]);
+        $this->assertSame(1, $fetched->values[array_search('2026-07-10', $days, true)]);
+        $this->assertSame(1, $fetched->values[array_search('2026-07-12', $days, true)]);
+    }
+
+    public function test_it_excludes_articles_outside_the_range(): void
+    {
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-07-01 00:00:00'),
+        ]);
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-07-31 23:59:59'),
+        ]);
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-06-30 23:59:59'),
+        ]);
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-08-01 00:00:00'),
+        ]);
+
+        $result = (new ArticlesTrend)->for($this->range());
+
+        $fetched = $this->seriesByName($result)['Fetched'];
+
+        $this->assertSame(2, array_sum($fetched->values));
+    }
+
+    public function test_it_counts_publications_per_day_from_article_publications(): void
+    {
+        $article = Article::factory()->create([
+            'created_at' => Carbon::parse('2026-01-01 00:00:00'),
+        ]);
+
+        ArticlePublication::factory()->create([
+            'article_id' => $article->id,
+            'published_at' => Carbon::parse('2026-07-10 09:00:00'),
+        ]);
+        ArticlePublication::factory()->count(2)->create([
+            'article_id' => $article->id,
+            'published_at' => Carbon::parse('2026-07-11 09:00:00'),
+        ]);
+
+        $result = (new ArticlesTrend)->for($this->range());
+
+        $days = $result->labels;
+        $published = $this->seriesByName($result)['Published'];
+
+        $this->assertSame(1, $published->values[array_search('2026-07-10', $days, true)]);
+        $this->assertSame(2, $published->values[array_search('2026-07-11', $days, true)]);
+    }
+
+    public function test_it_does_not_source_the_published_series_from_route_article_publish_status(): void
+    {
+        $article = Article::factory()->create([
+            'created_at' => Carbon::parse('2026-07-10 09:00:00'),
+        ]);
+
+        RouteArticle::factory()->create([
+            'article_id' => $article->id,
+            'publish_status' => PublishStatusEnum::PUBLISHED,
+            'created_at' => Carbon::parse('2026-07-10 09:00:00'),
+        ]);
+
+        $result = (new ArticlesTrend)->for($this->range());
+
+        $published = $this->seriesByName($result)['Published'];
+
+        $this->assertSame(0, array_sum($published->values));
+    }
+
+    public function test_it_counts_each_channel_publication_of_one_article_separately(): void
+    {
+        $article = Article::factory()->create([
+            'created_at' => Carbon::parse('2026-01-01 00:00:00'),
+        ]);
+
+        $channels = PlatformChannel::factory()->count(3)->create();
+
+        foreach ($channels as $channel) {
+            ArticlePublication::factory()->create([
+                'article_id' => $article->id,
+                'platform_channel_id' => $channel->id,
+                'published_at' => Carbon::parse('2026-07-10 09:00:00'),
+            ]);
+        }
+
+        $result = (new ArticlesTrend)->for($this->range());
+
+        $published = $this->seriesByName($result)['Published'];
+
+        $this->assertSame(3, array_sum($published->values));
+    }
+
+    public function test_it_returns_both_series_over_one_shared_label_axis(): void
+    {
+        $result = (new ArticlesTrend)->for($this->range());
+
+        $this->assertCount(count($this->range()->days()), $result->labels);
+        $this->assertCount(2, $result->series);
+
+        $names = array_map(fn ($series) => $series->name, $result->series);
+        $this->assertSame(['Fetched', 'Published'], $names);
+
+        foreach ($result->series as $series) {
+            $this->assertCount(count($result->labels), $series->values);
+        }
+    }
+
+    public function test_it_splits_days_at_midnight(): void
+    {
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-07-10 23:59:59'),
+        ]);
+        Article::factory()->create([
+            'created_at' => Carbon::parse('2026-07-11 00:00:01'),
+        ]);
+
+        $publishedArticle = Article::factory()->create([
+            'created_at' => Carbon::parse('2026-01-01 00:00:00'),
+        ]);
+
+        ArticlePublication::factory()->create([
+            'article_id' => $publishedArticle->id,
+            'published_at' => Carbon::parse('2026-07-10 23:59:59'),
+        ]);
+        ArticlePublication::factory()->create([
+            'article_id' => $publishedArticle->id,
+            'published_at' => Carbon::parse('2026-07-11 00:00:01'),
+        ]);
+
+        $result = (new ArticlesTrend)->for($this->range());
+
+        $days = $result->labels;
+        $fetched = $this->seriesByName($result)['Fetched'];
+        $published = $this->seriesByName($result)['Published'];
+
+        $this->assertSame(1, $fetched->values[array_search('2026-07-10', $days, true)]);
+        $this->assertSame(1, $fetched->values[array_search('2026-07-11', $days, true)]);
+        $this->assertSame(2, array_sum($fetched->values));
+
+        $this->assertSame(1, $published->values[array_search('2026-07-10', $days, true)]);
+        $this->assertSame(1, $published->values[array_search('2026-07-11', $days, true)]);
+        $this->assertSame(2, array_sum($published->values));
+    }
+
+    public function test_it_is_a_daily_series_stat_and_reports_too_wide_without_querying(): void
+    {
+        $stat = new ArticlesTrend;
+
+        $this->assertInstanceOf(DailySeriesStat::class, $stat);
+
+        Article::factory()->create([
+            'created_at' => Carbon::now(),
+        ]);
+
+        $queries = 0;
+        DB::listen(function () use (&$queries) {
+            $queries++;
+        });
+
+        $result = $stat->for(DateRange::preset('all'));
+
+        $this->assertTrue($result->isTooWide());
+        $this->assertSame(0, $queries);
+    }
+}

tests/Unit/Dashboard/Stats/DailySeriesStatTest.php

@@ -0,0 +1,121 @@
+<?php
+
+namespace Tests\Unit\Dashboard\Stats;
+
+use App\Dashboard\Stats\DailySeriesStat;
+use App\Dashboard\Stats\Series;
+use App\Dashboard\Stats\SeriesResult;
+use App\Support\DateRange;
+use Illuminate\Support\Carbon;
+use Tests\TestCase;
+
+class DailySeriesStatTest extends TestCase
+{
+    private function bucketableRange(): DateRange
+    {
+        return new DateRange(
+            Carbon::parse('2026-07-01 00:00:00'),
+            Carbon::parse('2026-07-07 23:59:59'),
+        );
+    }
+
+    public function test_for_calls_series_and_returns_its_result_on_a_bucketable_range(): void
+    {
+        $range = $this->bucketableRange();
+        $expected = new SeriesResult($range->days(), [new Series('Approved', [1, 2, 3, 4, 5, 6, 7])]);
+
+        $stat = new class($expected) extends DailySeriesStat
+        {
+            public bool $seriesWasCalled = false;
+
+            public function __construct(private readonly SeriesResult $result) {}
+
+            public function key(): string
+            {
+                return 'fake';
+            }
+
+            public function label(): string
+            {
+                return 'Fake';
+            }
+
+            protected function series(DateRange $range, array $days): SeriesResult
+            {
+                $this->seriesWasCalled = true;
+
+                return $this->result;
+            }
+        };
+
+        $result = $stat->for($range);
+
+        $this->assertTrue($stat->seriesWasCalled);
+        $this->assertSame($expected, $result);
+    }
+
+    public function test_for_returns_a_too_wide_result_without_calling_series_on_a_non_bucketable_range(): void
+    {
+        Carbon::setTestNow('2026-07-15 13:45:00');
+        $range = DateRange::preset('all');
+
+        $stat = new class extends DailySeriesStat
+        {
+            public bool $seriesWasCalled = false;
+
+            public function key(): string
+            {
+                return 'fake';
+            }
+
+            public function label(): string
+            {
+                return 'Fake';
+            }
+
+            protected function series(DateRange $range, array $days): SeriesResult
+            {
+                $this->seriesWasCalled = true;
+
+                return new SeriesResult([], []);
+            }
+        };
+
+        $result = $stat->for($range);
+
+        $this->assertFalse($stat->seriesWasCalled);
+        $this->assertTrue($result->isTooWide());
+    }
+
+    public function test_for_passes_the_ranges_days_through_to_series(): void
+    {
+        $range = $this->bucketableRange();
+
+        $stat = new class extends DailySeriesStat
+        {
+            /** @var array<int, string>|null */
+            public ?array $receivedDays = null;
+
+            public function key(): string
+            {
+                return 'fake';
+            }
+
+            public function label(): string
+            {
+                return 'Fake';
+            }
+
+            protected function series(DateRange $range, array $days): SeriesResult
+            {
+                $this->receivedDays = $days;
+
+                return new SeriesResult($days, []);
+            }
+        };
+
+        $stat->for($range);
+
+        $this->assertSame($range->days(), $stat->receivedDays);
+    }
+}

tests/Unit/Dashboard/Stats/PublicationsPerChannelTest.php

@@ -0,0 +1,126 @@
+<?php
+
+namespace Tests\Unit\Dashboard\Stats;
+
+use App\Dashboard\Stats\Breakdown;
+use App\Dashboard\Stats\PublicationsPerChannel;
+use App\Models\ArticlePublication;
+use App\Models\PlatformChannel;
+use App\Support\DateRange;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Carbon;
+use Tests\TestCase;
+
+class PublicationsPerChannelTest extends TestCase
+{
+    use RefreshDatabase;
+
+    private function range(): DateRange
+    {
+        return new DateRange(
+            Carbon::parse('2026-07-01 00:00:00'),
+            Carbon::parse('2026-07-31 23:59:59'),
+        );
+    }
+
+    private function publish(PlatformChannel $channel, string $at): void
+    {
+        ArticlePublication::factory()->create([
+            'platform_channel_id' => $channel->id,
+            'published_at' => Carbon::parse($at),
+        ]);
+    }
+
+    public function test_it_counts_publications_per_channel(): void
+    {
+        $busy = PlatformChannel::factory()->create(['display_name' => 'Busy Channel']);
+        $quiet = PlatformChannel::factory()->create(['display_name' => 'Quiet Channel']);
+
+        $this->publish($busy, '2026-07-10 12:00:00');
+        $this->publish($busy, '2026-07-11 12:00:00');
+        $this->publish($quiet, '2026-07-12 12:00:00');
+
+        $rows = (new PublicationsPerChannel)->for($this->range())->rows;
+
+        $this->assertSame(2, $this->pluck($rows)['Busy Channel']);
+        $this->assertSame(1, $this->pluck($rows)['Quiet Channel']);
+    }
+
+    public function test_it_reports_zero_for_a_channel_with_no_publications(): void
+    {
+        PlatformChannel::factory()->create(['display_name' => 'Silent Channel']);
+
+        $rows = (new PublicationsPerChannel)->for($this->range())->rows;
+
+        $this->assertSame(['Silent Channel' => 0], $this->pluck($rows));
+    }
+
+    public function test_it_excludes_publications_outside_the_range(): void
+    {
+        $channel = PlatformChannel::factory()->create(['display_name' => 'Channel']);
+
+        $this->publish($channel, '2026-06-30 23:59:59');
+        $this->publish($channel, '2026-08-01 00:00:00');
+
+        $rows = (new PublicationsPerChannel)->for($this->range())->rows;
+
+        $this->assertSame(0, $this->pluck($rows)['Channel']);
+    }
+
+    public function test_it_breaks_ties_alphabetically(): void
+    {
+        foreach (['Zulu', 'Alpha'] as $name) {
+            $channel = PlatformChannel::factory()->create(['display_name' => $name]);
+            $this->publish($channel, '2026-07-10 12:00:00');
+        }
+
+        $labels = array_map(
+            fn (Breakdown $row): string => $row->label,
+            (new PublicationsPerChannel)->for($this->range())->rows,
+        );
+
+        $this->assertSame(['Alpha', 'Zulu'], array_slice($labels, 0, 2));
+    }
+
+    public function test_it_labels_channels_by_display_name(): void
+    {
+        PlatformChannel::factory()->create(['name' => 'raw-name', 'display_name' => 'Friendly Name']);
+
+        $rows = (new PublicationsPerChannel)->for($this->range())->rows;
+
+        $this->assertArrayHasKey('Friendly Name', $this->pluck($rows));
+    }
+
+    public function test_it_reports_the_range_total(): void
+    {
+        $channel = PlatformChannel::factory()->create();
+
+        $this->publish($channel, '2026-07-10 12:00:00');
+        $this->publish($channel, '2026-07-11 12:00:00');
+
+        $this->assertSame(2, (new PublicationsPerChannel)->for($this->range())->total());
+    }
+
+    public function test_it_exposes_a_stable_key_and_label(): void
+    {
+        $stat = new PublicationsPerChannel;
+
+        $this->assertSame('publications-per-channel', $stat->key());
+        $this->assertSame('Publications per Channel', $stat->label());
+    }
+
+    /**
+     * @param  array<int, Breakdown>  $rows
+     * @return array<string, int>
+     */
+    private function pluck(array $rows): array
+    {
+        $out = [];
+
+        foreach ($rows as $row) {
+            $out[$row->label] = $row->count;
+        }
+
+        return $out;
+    }
+}

tests/Unit/Dashboard/Stats/PublishSuccessRateTest.php

@@ -0,0 +1,143 @@
+<?php
+
+namespace Tests\Unit\Dashboard\Stats;
+
+use App\Dashboard\Stats\PublishSuccessRate;
+use App\Enums\PublishStatusEnum;
+use App\Models\RouteArticle;
+use App\Support\DateRange;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Carbon;
+use Tests\TestCase;
+
+class PublishSuccessRateTest extends TestCase
+{
+    use RefreshDatabase;
+
+    private function range(): DateRange
+    {
+        return new DateRange(
+            Carbon::parse('2026-07-01 00:00:00'),
+            Carbon::parse('2026-07-31 23:59:59'),
+        );
+    }
+
+    /**
+     * @return array<string, float|null>
+     */
+    private function values(): array
+    {
+        $result = (new PublishSuccessRate)->for($this->range());
+
+        return array_combine($result->labels, $result->series[0]->values);
+    }
+
+    private function attempt(PublishStatusEnum $status, string $updatedAt): RouteArticle
+    {
+        /** @var RouteArticle $article */
+        $article = RouteArticle::factory()->create(['publish_status' => $status]);
+
+        // Model::update() would re-stamp updated_at to now(); bypass via the query builder.
+        RouteArticle::query()
+            ->whereKey($article->getKey())
+            ->update(['updated_at' => Carbon::parse($updatedAt)]);
+
+        return $article;
+    }
+
+    public function test_it_computes_the_published_share_of_daily_attempts(): void
+    {
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-10 09:00:00');
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-10 10:00:00');
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-10 11:00:00');
+        $this->attempt(PublishStatusEnum::ERROR, '2026-07-10 12:00:00');
+
+        $this->assertSame(75.0, $this->values()['2026-07-10']);
+    }
+
+    public function test_it_excludes_skipped_articles_from_the_denominator(): void
+    {
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-10 09:00:00');
+        $this->attempt(PublishStatusEnum::SKIPPED, '2026-07-10 10:00:00');
+
+        $this->assertSame(100.0, $this->values()['2026-07-10']);
+    }
+
+    public function test_it_excludes_articles_still_in_flight(): void
+    {
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-10 09:00:00');
+        $this->attempt(PublishStatusEnum::PUBLISHING, '2026-07-10 10:00:00');
+        $this->attempt(PublishStatusEnum::UNPUBLISHED, '2026-07-10 11:00:00');
+
+        $this->assertSame(100.0, $this->values()['2026-07-10']);
+    }
+
+    public function test_it_reports_no_rate_for_a_day_with_no_attempts(): void
+    {
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-10 09:00:00');
+
+        $this->assertNull($this->values()['2026-07-11']);
+    }
+
+    public function test_it_reports_a_zero_rate_when_every_attempt_failed(): void
+    {
+        $this->attempt(PublishStatusEnum::ERROR, '2026-07-10 09:00:00');
+
+        $this->assertSame(0.0, $this->values()['2026-07-10']);
+    }
+
+    public function test_it_counts_an_article_on_the_day_it_was_last_touched(): void
+    {
+        $this->attempt(PublishStatusEnum::ERROR, '2026-07-10 09:00:00');
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-12 09:00:00');
+
+        $values = $this->values();
+
+        $this->assertSame(0.0, $values['2026-07-10']);
+        $this->assertSame(100.0, $values['2026-07-12']);
+    }
+
+    public function test_a_retry_moves_the_article_to_the_retry_day(): void
+    {
+        $article = $this->attempt(PublishStatusEnum::ERROR, '2026-07-10 09:00:00');
+
+        RouteArticle::query()
+            ->whereKey($article->getKey())
+            ->update([
+                'publish_status' => PublishStatusEnum::PUBLISHED,
+                'updated_at' => Carbon::parse('2026-07-12 09:00:00'),
+            ]);
+
+        $values = $this->values();
+
+        $this->assertNull($values['2026-07-10']);
+        $this->assertSame(100.0, $values['2026-07-12']);
+    }
+
+    public function test_it_ignores_attempts_outside_the_range(): void
+    {
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-06-30 23:00:00');
+        $this->attempt(PublishStatusEnum::ERROR, '2026-08-01 01:00:00');
+
+        $this->assertSame([], array_filter($this->values(), fn (?float $value): bool => $value !== null));
+    }
+
+    public function test_it_rounds_the_rate_to_one_decimal(): void
+    {
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-10 09:00:00');
+        $this->attempt(PublishStatusEnum::PUBLISHED, '2026-07-10 10:00:00');
+        $this->attempt(PublishStatusEnum::ERROR, '2026-07-10 11:00:00');
+
+        $this->assertSame(66.7, $this->values()['2026-07-10']);
+    }
+
+    public function test_it_refuses_to_bucket_a_range_wider_than_the_day_limit(): void
+    {
+        $result = (new PublishSuccessRate)->for(new DateRange(
+            Carbon::parse('2020-01-01 00:00:00'),
+            Carbon::parse('2026-12-31 23:59:59'),
+        ));
+
+        $this->assertTrue($result->isTooWide());
+    }
+}

tests/Unit/Dashboard/Stats/SeriesResultTest.php

@@ -0,0 +1,123 @@
+<?php
+
+namespace Tests\Unit\Dashboard\Stats;
+
+use App\Dashboard\Stats\Series;
+use App\Dashboard\Stats\SeriesResult;
+use InvalidArgumentException;
+use Tests\TestCase;
+
+class SeriesResultTest extends TestCase
+{
+    public function test_a_series_result_aligns_every_series_to_the_shared_label_axis(): void
+    {
+        $this->expectException(InvalidArgumentException::class);
+
+        new SeriesResult(
+            ['2026-07-01', '2026-07-02', '2026-07-03'],
+            [new Series('Approved', [1, 2])],
+        );
+    }
+
+    public function test_a_series_result_accepts_multiple_series_that_all_align(): void
+    {
+        $result = new SeriesResult(
+            ['2026-07-01', '2026-07-02'],
+            [
+                new Series('Approved', [1, 2]),
+                new Series('Rejected', [0, 1]),
+            ],
+        );
+
+        $this->assertSame(['2026-07-01', '2026-07-02'], $result->labels);
+        $this->assertCount(2, $result->series);
+    }
+
+    public function test_a_too_wide_result_reports_itself_as_too_wide(): void
+    {
+        $result = SeriesResult::tooWide();
+
+        $this->assertTrue($result->isTooWide());
+    }
+
+    public function test_a_too_wide_result_is_not_reported_as_merely_empty(): void
+    {
+        $result = SeriesResult::tooWide();
+
+        $this->assertFalse($result->isEmpty());
+    }
+
+    public function test_an_empty_but_valid_result_is_not_reported_as_too_wide(): void
+    {
+        $result = new SeriesResult([], []);
+
+        $this->assertFalse($result->isTooWide());
+    }
+
+    public function test_an_empty_but_valid_result_reports_itself_as_empty(): void
+    {
+        $result = new SeriesResult([], []);
+
+        $this->assertTrue($result->isEmpty());
+    }
+
+    public function test_a_result_whose_series_are_all_zero_has_no_data(): void
+    {
+        $result = new SeriesResult(
+            ['2026-07-01', '2026-07-02'],
+            [new Series('Fetched', [0, 0]), new Series('Published', [0, 0])],
+        );
+
+        $this->assertTrue($result->hasNoData());
+    }
+
+    public function test_a_result_with_any_non_zero_value_has_data(): void
+    {
+        $result = new SeriesResult(
+            ['2026-07-01', '2026-07-02'],
+            [new Series('Fetched', [0, 0]), new Series('Published', [0, 1])],
+        );
+
+        $this->assertFalse($result->hasNoData());
+    }
+
+    public function test_a_result_of_only_nulls_has_no_data(): void
+    {
+        $result = new SeriesResult(
+            ['2026-07-01', '2026-07-02'],
+            [new Series('Approval Rate', [null, null])],
+        );
+
+        $this->assertTrue($result->hasNoData());
+    }
+
+    public function test_a_zero_count_is_an_absence_of_data(): void
+    {
+        $result = new SeriesResult(
+            ['2026-07-01', '2026-07-02'],
+            [new Series('Fetched', [null, 0])],
+        );
+
+        $this->assertTrue($result->hasNoData());
+    }
+
+    public function test_a_zero_is_data_when_the_series_says_zero_is_meaningful(): void
+    {
+        $result = new SeriesResult(
+            ['2026-07-01', '2026-07-02'],
+            [new Series('Approval Rate', [null, 0.0], zeroIsMeaningful: true)],
+        );
+
+        $this->assertFalse($result->hasNoData());
+    }
+
+    public function test_a_meaningful_zero_series_of_only_nulls_still_has_no_data(): void
+    {
+        $result = new SeriesResult(
+            ['2026-07-01', '2026-07-02'],
+            [new Series('Approval Rate', [null, null], zeroIsMeaningful: true)],
+        );
+
+        $this->assertTrue($result->hasNoData());
+    }
+}

tests/Unit/Dashboard/Stats/StatContractTest.php

@@ -4,6 +4,7 @@
 
 use App\Dashboard\Stats\ArticlesPerFeed;
 use App\Dashboard\Stats\BreakdownStat;
+use App\Dashboard\Stats\SeriesStat;
 use App\Dashboard\Stats\Stat;
 use Tests\TestCase;
 
@@ -30,4 +31,9 @@ public function test_articles_per_feed_is_a_breakdown_stat(): void
     {
         $this->assertInstanceOf(BreakdownStat::class, new ArticlesPerFeed);
     }
+
+    public function test_a_series_stat_is_a_stat(): void
+    {
+        $this->assertTrue(is_subclass_of(SeriesStat::class, Stat::class));
+    }
 }

tests/Unit/Enums/ApprovalStatusEnumTest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Tests\Unit\Enums;
+
+use App\Enums\ApprovalStatusEnum;
+use PHPUnit\Framework\TestCase;
+
+class ApprovalStatusEnumTest extends TestCase
+{
+    public function test_pending_is_not_a_decision(): void
+    {
+        $this->assertFalse(ApprovalStatusEnum::PENDING->isDecided());
+    }
+
+    public function test_approved_and_rejected_are_decisions(): void
+    {
+        $this->assertTrue(ApprovalStatusEnum::APPROVED->isDecided());
+        $this->assertTrue(ApprovalStatusEnum::REJECTED->isDecided());
+    }
+
+    public function test_decided_values_lists_every_decided_case(): void
+    {
+        $this->assertSame(['approved', 'rejected'], ApprovalStatusEnum::decidedValues());
+    }
+
+    public function test_decided_values_stays_in_step_with_the_cases(): void
+    {
+        $expected = array_values(array_map(
+            fn (ApprovalStatusEnum $status): string => $status->value,
+            array_filter(
+                ApprovalStatusEnum::cases(),
+                fn (ApprovalStatusEnum $status): bool => $status->isDecided(),
+            ),
+        ));
+
+        $this->assertSame($expected, ApprovalStatusEnum::decidedValues());
+    }
+}

tests/Unit/Enums/PublishStatusEnumTest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Tests\Unit\Enums;
+
+use App\Enums\PublishStatusEnum;
+use PHPUnit\Framework\TestCase;
+
+class PublishStatusEnumTest extends TestCase
+{
+    public function test_published_and_error_are_settled(): void
+    {
+        $this->assertTrue(PublishStatusEnum::PUBLISHED->isSettled());
+        $this->assertTrue(PublishStatusEnum::ERROR->isSettled());
+    }
+
+    public function test_skipped_is_not_a_publish_outcome(): void
+    {
+        $this->assertFalse(PublishStatusEnum::SKIPPED->isSettled());
+    }
+
+    public function test_in_flight_statuses_are_not_settled(): void
+    {
+        $this->assertFalse(PublishStatusEnum::UNPUBLISHED->isSettled());
+        $this->assertFalse(PublishStatusEnum::PUBLISHING->isSettled());
+    }
+
+    public function test_settled_values_lists_every_settled_case(): void
+    {
+        $this->assertSame(['published', 'error'], PublishStatusEnum::settledValues());
+    }
+
+    public function test_settled_values_stays_in_step_with_the_cases(): void
+    {
+        $expected = array_values(array_map(
+            fn (PublishStatusEnum $status): string => $status->value,
+            array_filter(
+                PublishStatusEnum::cases(),
+                fn (PublishStatusEnum $status): bool => $status->isSettled(),
+            ),
+        ));
+
+        $this->assertSame($expected, PublishStatusEnum::settledValues());
+    }
+}

tests/Unit/Models/RouteArticleDecisionTest.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace Tests\Unit\Models;
+
+use App\Enums\ApprovalStatusEnum;
+use App\Models\RouteArticle;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class RouteArticleDecisionTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_approving_stamps_the_decision_time(): void
+    {
+        /** @var RouteArticle $routeArticle */
+        $routeArticle = RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
+        ]);
+
+        $this->freezeTime(function () use ($routeArticle) {
+            $routeArticle->approve();
+
+            $this->assertSame(
+                now()->format('Y-m-d H:i:s'),
+                $routeArticle->fresh()->decided_at->format('Y-m-d H:i:s')
+            );
+        });
+    }
+
+    public function test_rejecting_stamps_the_decision_time(): void
+    {
+        /** @var RouteArticle $routeArticle */
+        $routeArticle = RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
+        ]);
+
+        $this->freezeTime(function () use ($routeArticle) {
+            $routeArticle->reject();
+
+            $this->assertSame(
+                now()->format('Y-m-d H:i:s'),
+                $routeArticle->fresh()->decided_at->format('Y-m-d H:i:s')
+            );
+        });
+    }
+
+    public function test_re_approving_does_not_move_the_decision_time(): void
+    {
+        /** @var RouteArticle $routeArticle */
+        $routeArticle = RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
+        ]);
+
+        $routeArticle->approve();
+        $first = $routeArticle->fresh()->decided_at;
+
+        $this->travel(1)->hours();
+        $routeArticle->fresh()->approve();
+
+        $this->assertSame(
+            $first->format('Y-m-d H:i:s'),
+            $routeArticle->fresh()->decided_at->format('Y-m-d H:i:s')
+        );
+    }
+
+    public function test_rejecting_an_approved_article_moves_the_decision_time(): void
+    {
+        /** @var RouteArticle $routeArticle */
+        $routeArticle = RouteArticle::factory()->create([
+            'approval_status' => ApprovalStatusEnum::PENDING,
+            'decided_at' => null,
+        ]);
+
+        $routeArticle->approve();
+        $first = $routeArticle->fresh()->decided_at;
+
+        $this->travel(1)->hours();
+        $routeArticle->fresh()->reject();
+
+        $this->assertTrue($routeArticle->fresh()->decided_at->greaterThan($first));
+    }
+}

tests/Unit/Support/DateRangeTest.php

@@ -183,4 +183,47 @@ public function test_it_refuses_to_list_days_for_the_all_preset(): void
 
         DateRange::preset('all')->days();
     }
+
+    public function test_it_is_bucketable_by_day_for_a_normal_range(): void
+    {
+        $this->assertTrue(DateRange::preset('week')->isBucketableByDay());
+        $this->assertTrue(DateRange::preset('month')->isBucketableByDay());
+    }
+
+    public function test_it_is_bucketable_by_day_at_the_maximum_span(): void
+    {
+        $from = Carbon::parse('2026-01-01 00:00:00');
+        $range = new DateRange($from, $from->copy()->addDays(DateRange::MAX_DAYS - 1)->endOfDay());
+
+        $this->assertTrue($range->isBucketableByDay());
+    }
+
+    public function test_it_is_not_bucketable_by_day_one_day_beyond_the_maximum_span(): void
+    {
+        $from = Carbon::parse('2026-01-01 00:00:00');
+        $range = new DateRange($from, $from->copy()->addDays(DateRange::MAX_DAYS)->endOfDay());
+
+        $this->assertFalse($range->isBucketableByDay());
+    }
+
+    public function test_it_is_not_bucketable_by_day_for_the_all_preset(): void
+    {
+        Carbon::setTestNow('2026-07-15 13:45:00');
+
+        $this->assertFalse(DateRange::preset('all')->isBucketableByDay());
+    }
+
+    public function test_is_bucketable_by_day_agrees_with_days_at_every_boundary(): void
+    {
+        $from = Carbon::parse('2026-01-01 00:00:00');
+
+        $withinBounds = new DateRange($from, $from->copy()->addDays(DateRange::MAX_DAYS - 1)->endOfDay());
+        $withinBounds->days();
+        $this->assertTrue($withinBounds->isBucketableByDay());
+
+        $beyondBounds = new DateRange($from, $from->copy()->addDays(DateRange::MAX_DAYS)->endOfDay());
+        $this->assertFalse($beyondBounds->isBucketableByDay());
+        $this->expectException(InvalidArgumentException::class);
+        $beyondBounds->days();
+    }
 }