feat(parsers): add proverki.gov.ru parser with sync_inspections task

- Add InspectionRecord model with is_federal_law_248, data_year, data_month fields
- Add ProverkiClient with Playwright support for JS-rendered portal
- Add streaming XML parser for large files (>50MB)
- Add sync_inspections task with incremental loading logic
  - Starts from 01.01.2025 if DB is empty
  - Loads both FZ-294 and FZ-248 inspections
  - Stops after 2 consecutive empty months
- Add InspectionService methods: get_last_loaded_period, has_data_for_period
- Add Minpromtorg parsers (certificates, manufacturers)
- Add Django Admin for parser models
- Update README with parsers documentation and changelog

src/apps/parsers/admin.py

@@ -0,0 +1,387 @@
+"""
+Admin configuration for parsers app.
+"""
+
+from apps.parsers.models import (
+    IndustrialCertificateRecord,
+    InspectionRecord,
+    ManufacturerRecord,
+    ParserLoadLog,
+    Proxy,
+)
+from django.contrib import admin
+from django.utils.html import format_html
+
+
+@admin.register(Proxy)
+class ProxyAdmin(admin.ModelAdmin):
+    """Admin для прокси-серверов."""
+
+    list_display = [
+        "address",
+        "is_active_badge",
+        "fail_count",
+        "last_used_at",
+        "created_at",
+    ]
+    list_filter = ["is_active", "created_at"]
+    search_fields = ["address"]
+    readonly_fields = ["created_at", "updated_at", "last_used_at"]
+    ordering = ["-is_active", "-last_used_at"]
+    list_per_page = 50
+
+    fieldsets = (
+        ("Основное", {"fields": ("address", "is_active")}),
+        ("Статистика", {"fields": ("fail_count", "last_used_at")}),
+        ("Даты", {"fields": ("created_at", "updated_at"), "classes": ("collapse",)}),
+    )
+
+    def is_active_badge(self, obj):
+        """Цветной бейдж активности."""
+        if obj.is_active:
+            return format_html(
+                '<span style="color: white; background: #28a745; padding: 3px 10px; '
+                'border-radius: 3px;">Активен</span>'
+            )
+        return format_html(
+            '<span style="color: white; background: #dc3545; padding: 3px 10px; '
+            'border-radius: 3px;">Неактивен</span>'
+        )
+
+    is_active_badge.short_description = "Статус"
+    is_active_badge.admin_order_field = "is_active"
+
+    actions = ["activate_proxies", "deactivate_proxies", "reset_fail_count"]
+
+    @admin.action(description="Активировать выбранные прокси")
+    def activate_proxies(self, request, queryset):
+        updated = queryset.update(is_active=True)
+        self.message_user(request, f"Активировано {updated} прокси")
+
+    @admin.action(description="Деактивировать выбранные прокси")
+    def deactivate_proxies(self, request, queryset):
+        updated = queryset.update(is_active=False)
+        self.message_user(request, f"Деактивировано {updated} прокси")
+
+    @admin.action(description="Сбросить счётчик ошибок")
+    def reset_fail_count(self, request, queryset):
+        updated = queryset.update(fail_count=0)
+        self.message_user(request, f"Сброшен счётчик для {updated} прокси")
+
+
+@admin.register(ParserLoadLog)
+class ParserLoadLogAdmin(admin.ModelAdmin):
+    """Admin для логов загрузки."""
+
+    list_display = [
+        "id",
+        "source",
+        "batch_id",
+        "status_badge",
+        "records_count",
+        "created_at",
+    ]
+    list_filter = ["source", "status", "created_at"]
+    search_fields = ["batch_id", "error_message"]
+    readonly_fields = ["created_at", "updated_at"]
+    ordering = ["-created_at"]
+    list_per_page = 50
+    date_hierarchy = "created_at"
+
+    fieldsets = (
+        ("Основное", {"fields": ("source", "batch_id", "status")}),
+        ("Результат", {"fields": ("records_count", "error_message")}),
+        ("Даты", {"fields": ("created_at", "updated_at"), "classes": ("collapse",)}),
+    )
+
+    def status_badge(self, obj):
+        """Цветной бейдж статуса."""
+        colors = {
+            "success": "#28a745",
+            "failed": "#dc3545",
+            "in_progress": "#ffc107",
+            "pending": "#6c757d",
+        }
+        color = colors.get(obj.status, "#6c757d")
+        return format_html(
+            '<span style="color: white; background: {}; padding: 3px 10px; '
+            'border-radius: 3px;">{}</span>',
+            color,
+            obj.get_status_display()
+            if hasattr(obj, "get_status_display")
+            else obj.status,
+        )
+
+    status_badge.short_description = "Статус"
+    status_badge.admin_order_field = "status"
+
+    def has_add_permission(self, request):
+        """Запретить создание логов вручную."""
+        return False
+
+
+class HasCertificateNumberFilter(admin.SimpleListFilter):
+    """Фильтр по наличию номера сертификата."""
+
+    title = "Номер сертификата"
+    parameter_name = "has_cert_number"
+
+    def lookups(self, request, model_admin):
+        return [
+            ("yes", "С номером"),
+            ("no", "Без номера"),
+        ]
+
+    def queryset(self, request, queryset):
+        if self.value() == "yes":
+            return queryset.exclude(certificate_number__in=["-", ""])
+        if self.value() == "no":
+            return queryset.filter(certificate_number__in=["-", ""])
+        return queryset
+
+
+@admin.register(IndustrialCertificateRecord)
+class IndustrialCertificateRecordAdmin(admin.ModelAdmin):
+    """Admin для сертификатов промышленного производства."""
+
+    list_display = [
+        "certificate_number",
+        "organisation_name_short",
+        "inn",
+        "ogrn",
+        "issue_date",
+        "expiry_date",
+        "load_batch",
+    ]
+    list_filter = [HasCertificateNumberFilter, "load_batch", "created_at"]
+    search_fields = [
+        "certificate_number",
+        "organisation_name",
+        "inn",
+        "ogrn",
+    ]
+    readonly_fields = ["created_at", "updated_at", "load_batch"]
+    ordering = ["-created_at"]
+    list_per_page = 100
+    date_hierarchy = "created_at"
+    raw_id_fields = []
+
+    fieldsets = (
+        (
+            "Сертификат",
+            {"fields": ("certificate_number", "issue_date", "expiry_date")},
+        ),
+        (
+            "Организация",
+            {"fields": ("organisation_name", "inn", "ogrn")},
+        ),
+        (
+            "Документ",
+            {"fields": ("certificate_file_url",), "classes": ("collapse",)},
+        ),
+        (
+            "Системное",
+            {
+                "fields": ("load_batch", "created_at", "updated_at"),
+                "classes": ("collapse",),
+            },
+        ),
+    )
+
+    def organisation_name_short(self, obj):
+        """Сокращённое название организации."""
+        name = obj.organisation_name or ""
+        return name[:60] + "..." if len(name) > 60 else name
+
+    organisation_name_short.short_description = "Организация"
+    organisation_name_short.admin_order_field = "organisation_name"
+
+    def has_add_permission(self, request):
+        """Запретить создание записей вручную."""
+        return False
+
+    def has_change_permission(self, request, obj=None):
+        """Запретить редактирование записей."""
+        return False
+
+
+@admin.register(ManufacturerRecord)
+class ManufacturerRecordAdmin(admin.ModelAdmin):
+    """Admin для реестра производителей."""
+
+    list_display = [
+        "full_legal_name_short",
+        "inn",
+        "ogrn",
+        "address_short",
+        "load_batch",
+        "created_at",
+    ]
+    list_filter = ["load_batch", "created_at"]
+    search_fields = [
+        "full_legal_name",
+        "inn",
+        "ogrn",
+        "address",
+    ]
+    readonly_fields = ["created_at", "updated_at", "load_batch"]
+    ordering = ["-created_at"]
+    list_per_page = 100
+    date_hierarchy = "created_at"
+
+    fieldsets = (
+        (
+            "Организация",
+            {"fields": ("full_legal_name", "inn", "ogrn")},
+        ),
+        (
+            "Адрес",
+            {"fields": ("address",)},
+        ),
+        (
+            "Системное",
+            {
+                "fields": ("load_batch", "created_at", "updated_at"),
+                "classes": ("collapse",),
+            },
+        ),
+    )
+
+    def full_legal_name_short(self, obj):
+        """Сокращённое название."""
+        name = obj.full_legal_name or ""
+        return name[:60] + "..." if len(name) > 60 else name
+
+    full_legal_name_short.short_description = "Название"
+    full_legal_name_short.admin_order_field = "full_legal_name"
+
+    def address_short(self, obj):
+        """Сокращённый адрес."""
+        addr = obj.address or ""
+        return addr[:40] + "..." if len(addr) > 40 else addr
+
+    address_short.short_description = "Адрес"
+    address_short.admin_order_field = "address"
+
+    def has_add_permission(self, request):
+        """Запретить создание записей вручную."""
+        return False
+
+    def has_change_permission(self, request, obj=None):
+        """Запретить редактирование записей."""
+        return False
+
+
+@admin.register(InspectionRecord)
+class InspectionRecordAdmin(admin.ModelAdmin):
+    """Admin для проверок из Единого реестра проверок."""
+
+    list_display = [
+        "registration_number",
+        "organisation_name_short",
+        "inn",
+        "control_authority_short",
+        "inspection_type",
+        "status_badge",
+        "start_date",
+        "load_batch",
+    ]
+    list_filter = [
+        "inspection_type",
+        "inspection_form",
+        "status",
+        "load_batch",
+        "created_at",
+    ]
+    search_fields = [
+        "registration_number",
+        "organisation_name",
+        "inn",
+        "ogrn",
+        "control_authority",
+    ]
+    readonly_fields = ["created_at", "updated_at", "load_batch"]
+    ordering = ["-created_at"]
+    list_per_page = 100
+    date_hierarchy = "created_at"
+
+    fieldsets = (
+        (
+            "Проверка",
+            {
+                "fields": (
+                    "registration_number",
+                    "inspection_type",
+                    "inspection_form",
+                    "status",
+                )
+            },
+        ),
+        (
+            "Организация",
+            {"fields": ("organisation_name", "inn", "ogrn")},
+        ),
+        (
+            "Контрольный орган",
+            {"fields": ("control_authority", "legal_basis")},
+        ),
+        (
+            "Сроки и результат",
+            {"fields": ("start_date", "end_date", "result")},
+        ),
+        (
+            "Системное",
+            {
+                "fields": ("load_batch", "created_at", "updated_at"),
+                "classes": ("collapse",),
+            },
+        ),
+    )
+
+    def organisation_name_short(self, obj):
+        """Сокращённое название организации."""
+        name = obj.organisation_name or ""
+        return name[:50] + "..." if len(name) > 50 else name
+
+    organisation_name_short.short_description = "Организация"
+    organisation_name_short.admin_order_field = "organisation_name"
+
+    def control_authority_short(self, obj):
+        """Сокращённое название контрольного органа."""
+        name = obj.control_authority or ""
+        return name[:30] + "..." if len(name) > 30 else name
+
+    control_authority_short.short_description = "Контр. орган"
+    control_authority_short.admin_order_field = "control_authority"
+
+    def status_badge(self, obj):
+        """Цветной бейдж статуса."""
+        status = obj.status or ""
+        status_lower = status.lower()
+
+        if "завершен" in status_lower:
+            color = "#28a745"
+        elif "процесс" in status_lower or "проведен" in status_lower:
+            color = "#ffc107"
+        elif "отменен" in status_lower or "прекращ" in status_lower:
+            color = "#dc3545"
+        else:
+            color = "#6c757d"
+
+        return format_html(
+            '<span style="color: white; background: {}; padding: 2px 8px; '
+            'border-radius: 3px; font-size: 11px;">{}</span>',
+            color,
+            status[:20] if len(status) > 20 else status,
+        )
+
+    status_badge.short_description = "Статус"
+    status_badge.admin_order_field = "status"
+
+    def has_add_permission(self, request):
+        """Запретить создание записей вручную."""
+        return False
+
+    def has_change_permission(self, request, obj=None):
+        """Запретить редактирование записей."""
+        return False