Add bulk-run actions and per-source rate limiting

Run-all buttons (per target and per investigation) queue every applicable,
not-already-in-flight source via a new FindingDispatcher, re-attempting
prior failures automatically. RunFinding now applies a per-source
RateLimited queue middleware so a bulk run can't hammer the free public
APIs (ip-api, crt.sh, whois, sherlock, theharvester) it depends on;
$tries raised to 30 to survive rate-limiter releases, with a failed()
handler so exhausted retries still resolve the Finding instead of leaving
it stuck pending.

Also fixes CrtShRunner treating crt.sh's intermittent 404/502 (a known
flaky free service) as fatal on the first try — added a bounded retry.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

tests/Unit/Jobs/RunFindingTest.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Tests\Unit\Jobs;
+
+use App\Jobs\RunFinding;
+use App\Models\Finding;
+use App\Models\Investigation;
+use App\Models\Source;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Queue\Middleware\RateLimited;
+use Tests\TestCase;
+
+class RunFindingTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_middleware_rate_limits_by_the_findings_source_key(): void
+    {
+        $user = User::factory()->create();
+        $investigation = Investigation::factory()->for($user, 'owner')->create();
+        $target = $investigation->targets()->create(['type' => 'ip', 'value' => '8.8.8.8', 'created_by' => $user->id]);
+        $source = Source::create(['key' => 'ip-api', 'name' => 'ip-api.com', 'target_types' => ['ip'], 'enabled' => true]);
+        $finding = $target->findings()->create(['source_id' => $source->id, 'status' => 'pending']);
+
+        $middleware = (new RunFinding($finding->id))->middleware();
+
+        $this->assertCount(1, $middleware);
+        $this->assertInstanceOf(RateLimited::class, $middleware[0]);
+    }
+
+    public function test_failed_marks_the_finding_as_failed(): void
+    {
+        $user = User::factory()->create();
+        $investigation = Investigation::factory()->for($user, 'owner')->create();
+        $target = $investigation->targets()->create(['type' => 'ip', 'value' => '8.8.8.8', 'created_by' => $user->id]);
+        $source = Source::create(['key' => 'ip-api', 'name' => 'ip-api.com', 'target_types' => ['ip'], 'enabled' => true]);
+        $finding = $target->findings()->create(['source_id' => $source->id, 'status' => 'pending']);
+
+        (new RunFinding($finding->id))->failed(new \RuntimeException('retries exhausted'));
+
+        $finding->refresh();
+        $this->assertSame('failed', $finding->status);
+        $this->assertStringContainsString('retries exhausted', $finding->error);
+    }
+}