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"title": "Phase 4.1: State Machines für Domain-Objekte",
"description": "## Anweisungen für KI-System\n1. Lies `\/var\/www\/CLAUDE.md` für Projektkontext\n2. Analysiere Statusfelder: `Grep(\"status.*=|->status\", \"src\/**\/*.php\")`\n3. Prüfe DB-Schemas: `db_describe(\"tasks\")`, `db_describe(\"content_orders\")`\n\n## Problem (Supervision #9)\n- Statusübergänge erfolgen über freie Strings\n- Keine Validierung erlaubter Übergänge\n- Inkonsistente Zustände möglich\n\n## Zielarchitektur\n```php\n$task->transitionTo(TaskStatus::IN_PROGRESS); \/\/ Validiert automatisch\n```\n\n## Zu erstellende State Machines\n\n### 1. TaskStatus\n```php\n\/\/ \/src\/Domain\/State\/TaskStatus.php\nnamespace App\\Domain\\State;\n\nenum TaskStatus: string\n{\n case PENDING = 'pending';\n case IN_PROGRESS = 'in_progress';\n case COMPLETED = 'completed';\n case FAILED = 'failed';\n case CANCELLED = 'cancelled';\n \n public function canTransitionTo(self $target): bool\n {\n return match($this) {\n self::PENDING => in_array($target, [self::IN_PROGRESS, self::CANCELLED]),\n self::IN_PROGRESS => in_array($target, [self::COMPLETED, self::FAILED, self::CANCELLED]),\n self::COMPLETED => false,\n self::FAILED => in_array($target, [self::PENDING]),\n self::CANCELLED => false,\n };\n }\n \n public function getAllowedTransitions(): array\n {\n return match($this) {\n self::PENDING => [self::IN_PROGRESS, self::CANCELLED],\n self::IN_PROGRESS => [self::COMPLETED, self::FAILED, self::CANCELLED],\n self::COMPLETED => [],\n self::FAILED => [self::PENDING],\n self::CANCELLED => [],\n };\n }\n}\n```\n\n### 2. ContentOrderStatus\n```php\n\/\/ \/src\/Domain\/State\/ContentOrderStatus.php\nenum ContentOrderStatus: string\n{\n case DRAFT = 'draft';\n case QUEUED = 'queued';\n case PROCESSING = 'processing';\n case COMPLETED = 'completed';\n case FAILED = 'failed';\n \n public function canTransitionTo(self $target): bool\n {\n return match($this) {\n self::DRAFT => in_array($target, [self::QUEUED]),\n self::QUEUED => in_array($target, [self::PROCESSING, self::FAILED]),\n self::PROCESSING => in_array($target, [self::COMPLETED, self::FAILED]),\n self::COMPLETED => false,\n self::FAILED => in_array($target, [self::QUEUED]),\n };\n }\n}\n```\n\n### 3. StateMachine-Trait\n```php\n\/\/ \/src\/Domain\/State\/HasStateMachine.php\ntrait HasStateMachine\n{\n public function transitionTo(BackedEnum $newStatus): void\n {\n if (!$this->status->canTransitionTo($newStatus)) {\n throw new InvalidStateTransitionException(\n $this->status,\n $newStatus,\n $this->status->getAllowedTransitions()\n );\n }\n $this->status = $newStatus;\n }\n \n public function canTransitionTo(BackedEnum $target): bool\n {\n return $this->status->canTransitionTo($target);\n }\n}\n```\n\n### 4. Exception\n```php\n\/\/ \/src\/Domain\/Exception\/InvalidStateTransitionException.php\nfinal class InvalidStateTransitionException extends DomainException\n{\n public function __construct(\n public readonly BackedEnum $from,\n public readonly BackedEnum $to,\n public readonly array $allowed\n ) {\n parent::__construct(sprintf(\n 'Cannot transition from %s to %s. Allowed: %s',\n $from->value,\n $to->value,\n implode(', ', array_map(fn($s) => $s->value, $allowed))\n ));\n }\n}\n```\n\n## Akzeptanzkriterien\n- [ ] Mindestens 3 Status-Enums mit Transitions\n- [ ] Keine freien String-Zuweisungen für Status\n- [ ] Exception bei ungültigen Übergängen",
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"text": "{\n \"success\": true,\n \"task\": {\n \"id\": 230,\n \"uuid\": \"320ca8a5-2916-4995-919f-04553d777984\",\n \"title\": \"Phase 4.1: State Machines für Domain-Objekte\",\n \"description\": \"## Anweisungen für KI-System\\n1. Lies `\/var\/www\/CLAUDE.md` für Projektkontext\\n2. Analysiere Statusfelder: `Grep(\\\"status.*=|->status\\\", \\\"src\/**\/*.php\\\")`\\n3. Prüfe DB-Schemas: `db_describe(\\\"tasks\\\")`, `db_describe(\\\"content_orders\\\")`\\n\\n## Problem (Supervision #9)\\n- Statusübergänge erfolgen über freie Strings\\n- Keine Validierung erlaubter Übergänge\\n- Inkonsistente Zustände möglich\\n\\n## Zielarchitektur\\n```php\\n$task->transitionTo(TaskStatus::IN_PROGRESS); \/\/ Validiert automatisch\\n```\\n\\n## Zu erstellende State Machines\\n\\n### 1. TaskStatus\\n```php\\n\/\/ \/src\/Domain\/State\/TaskStatus.php\\nnamespace App\\\\Domain\\\\State;\\n\\nenum TaskStatus: string\\n{\\n case PENDING = 'pending';\\n case IN_PROGRESS = 'in_progress';\\n case COMPLETED = 'completed';\\n case FAILED = 'failed';\\n case CANCELLED = 'cancelled';\\n \\n public function canTransitionTo(self $target): bool\\n {\\n return match($this) {\\n self::PENDING => in_array($target, [self::IN_PROGRESS, self::CANCELLED]),\\n self::IN_PROGRESS => in_array($target, [self::COMPLETED, self::FAILED, self::CANCELLED]),\\n self::COMPLETED => false,\\n self::FAILED => in_array($target, [self::PENDING]),\\n self::CANCELLED => false,\\n };\\n }\\n \\n public function getAllowedTransitions(): array\\n {\\n return match($this) {\\n self::PENDING => [self::IN_PROGRESS, self::CANCELLED],\\n self::IN_PROGRESS => [self::COMPLETED, self::FAILED, self::CANCELLED],\\n self::COMPLETED => [],\\n self::FAILED => [self::PENDING],\\n self::CANCELLED => [],\\n };\\n }\\n}\\n```\\n\\n### 2. ContentOrderStatus\\n```php\\n\/\/ \/src\/Domain\/State\/ContentOrderStatus.php\\nenum ContentOrderStatus: string\\n{\\n case DRAFT = 'draft';\\n case QUEUED = 'queued';\\n case PROCESSING = 'processing';\\n case COMPLETED = 'completed';\\n case FAILED = 'failed';\\n \\n public function canTransitionTo(self $target): bool\\n {\\n return match($this) {\\n self::DRAFT => in_array($target, [self::QUEUED]),\\n self::QUEUED => in_array($target, [self::PROCESSING, self::FAILED]),\\n self::PROCESSING => in_array($target, [self::COMPLETED, self::FAILED]),\\n self::COMPLETED => false,\\n self::FAILED => in_array($target, [self::QUEUED]),\\n };\\n }\\n}\\n```\\n\\n### 3. StateMachine-Trait\\n```php\\n\/\/ \/src\/Domain\/State\/HasStateMachine.php\\ntrait HasStateMachine\\n{\\n public function transitionTo(BackedEnum $newStatus): void\\n {\\n if (!$this->status->canTransitionTo($newStatus)) {\\n throw new InvalidStateTransitionException(\\n $this->status,\\n $newStatus,\\n $this->status->getAllowedTransitions()\\n );\\n }\\n $this->status = $newStatus;\\n }\\n \\n public function canTransitionTo(BackedEnum $target): bool\\n {\\n return $this->status->canTransitionTo($target);\\n }\\n}\\n```\\n\\n### 4. Exception\\n```php\\n\/\/ \/src\/Domain\/Exception\/InvalidStateTransitionException.php\\nfinal class InvalidStateTransitionException extends DomainException\\n{\\n public function __construct(\\n public readonly BackedEnum $from,\\n public readonly BackedEnum $to,\\n public readonly array $allowed\\n ) {\\n parent::__construct(sprintf(\\n 'Cannot transition from %s to %s. Allowed: %s',\\n $from->value,\\n $to->value,\\n implode(', ', array_map(fn($s) => $s->value, $allowed))\\n ));\\n }\\n}\\n```\\n\\n## Akzeptanzkriterien\\n- [ ] Mindestens 3 Status-Enums mit Transitions\\n- [ ] Keine freien String-Zuweisungen für Status\\n- [ ] Exception bei ungültigen Übergängen\",\n \"type\": \"ai_task\",\n \"status\": \"pending\",\n \"created_by\": \"mcp-tasks\",\n \"created_by_type\": \"ai\",\n \"parent_task_id\": 221,\n \"due_date\": null,\n \"created_at\": \"2025-12-22T09:58:44.499839\",\n \"updated_at\": \"2025-12-22T09:58:44.499842\",\n \"completed_at\": null,\n \"metadata\": {}\n },\n \"message\": \"Task #230 created\"\n}"
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}