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"description": "Explore \/docs endpoint",
"prompt": "Explore the \/docs endpoint implementation in this PHP project. Find:\n1. The DocsController or similar controller handling \/docs routes\n2. The existing docs-related views in \/src\/View\/\n3. How the routing is configured for \/docs\n4. Any existing documentation-related use cases or services\n\nFocus on understanding the current \/docs implementation pattern. Be thorough.",
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"prompt": "Explore the \/docs endpoint implementation in this PHP project. Find:\n1. The DocsController or similar controller handling \/docs routes\n2. The existing docs-related views in \/src\/View\/\n3. How the routing is configured for \/docs\n4. Any existing documentation-related use cases or services\n\nFocus on understanding the current \/docs implementation pattern. Be thorough.",
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"text": "Perfect! I have gathered comprehensive information. Let me now create a detailed report of the \/docs endpoint implementation.\n\n## Comprehensive Analysis: \/docs Endpoint Implementation\n\nI've thoroughly explored the \/docs endpoint implementation in your PHP project. Here's what I found:\n\n### 1. DocsController (Web UI Handler)\n**File:** `\/var\/www\/dev.campus.systemische-tools.de\/src\/Controller\/DocsController.php`\n\nThe main controller handles documentation display with the following methods:\n\n- **`index()`** - Displays the documentation hierarchy\/table of contents\n - Renders view: `docs.index`\n - Uses repository method: `getHierarchy()`\n - Returns hierarchical tree structure\n\n- **`show(string $path)`** - Displays individual documentation pages\n - Takes dynamic path parameter (e.g., `\/docs\/setup\/installation`)\n - Loads breadcrumb navigation, children, and siblings\n - Special handling for KI-Protokoll module (loads latest 20 entries)\n - Returns 404 if document not found\n\n- **`redirectBySlug(string $slug)`** - Legacy slug-based redirect\n - Converts slug redirects (e.g., `\/docs\/modul\/ki-protokoll`) to permanent 301 redirects\n - Uses `findDocBySlug()` to resolve path\n\nThe controller also includes Task-related methods (tasksIndex, tasksNew, taskShow, tasksEdit) which are web views for the Task management system.\n\n### 2. API DocsController (REST API Handler)\n**File:** `\/var\/www\/dev.campus.systemische-tools.de\/src\/Controller\/Api\/DocsController.php`\n\nProvides RESTful JSON API with comprehensive CRUD and search capabilities:\n\n- **`index()`** - GET `\/api\/v1\/docs` - List documents with filters (status, parent_id, search)\n- **`show(string $id)`** - GET `\/api\/v1\/docs\/{id}` - Get single doc with optional children\/breadcrumb\n- **`showByPath(string $path)`** - GET `\/api\/v1\/docs\/path\/{path:.*}` - Get doc by path\n- **`store()`** - POST `\/api\/v1\/docs` - Create new document\n- **`update(string $id)`** - PUT `\/api\/v1\/docs\/{id}` - Update document\n- **`destroy(string $id)`** - DELETE `\/api\/v1\/docs\/{id}` - Delete with cascade check\n- **`search()`** - GET `\/api\/v1\/docs\/search` - Semantic search with Qdrant\n- **`hierarchy()`** - GET `\/api\/v1\/docs\/hierarchy` - Get complete tree structure\n- **`chat()`** - POST `\/api\/v1\/docs\/chat` - RAG-based Q&A with documentation\n\n### 3. Route Configuration\n\n**Web Routes** (`\/var\/www\/dev.campus.systemische-tools.de\/routes\/web.php`):\n```\nGET \/docs → DocsController::index()\nGET \/docs\/modul\/{slug} → DocsController::redirectBySlug()\nGET \/docs\/{path:.*} → DocsController::show()\n```\n\n**API Routes** (`\/var\/www\/dev.campus.systemische-tools.de\/routes\/api.php`):\n```\nGET \/api\/v1\/docs → index()\nGET \/api\/v1\/docs\/search → search()\nGET \/api\/v1\/docs\/hierarchy → hierarchy()\nPOST \/api\/v1\/docs\/chat → chat()\nGET \/api\/v1\/docs\/path\/{path:.*} → showByPath()\nGET \/api\/v1\/docs\/{id} → show()\nPOST \/api\/v1\/docs → store()\nPUT \/api\/v1\/docs\/{id} → update()\nDELETE \/api\/v1\/docs\/{id} → destroy()\n```\n\nThe router uses pattern-matching with `{name:pattern}` syntax for dynamic routes.\n\n### 4. Views\n\n**`\/src\/View\/docs\/index.php`**\n- Displays documentation table of contents\n- Uses recursive `renderDocsToc()` helper to build hierarchical list\n- Renders links to each document with `\/docs{path}` URLs\n\n**`\/src\/View\/docs\/show.php`**\n- Displays individual document content (HTML)\n- Shows child documents (Unterseiten) with descriptions\n- Links to breadcrumb, siblings, and children\n- Simple minimal design that relies on layout.php wrapper\n\n### 5. Domain Layer - Repository Interface\n\n**File:** `\/var\/www\/dev.campus.systemische-tools.de\/src\/Domain\/Repository\/DokumentationRepositoryInterface.php`\n\nDefines contract for documentation persistence:\n- `findById(int)` - Get by ID\n- `findByPath(string)` - Get by hierarchical path\n- `findBySlug(string, parentId?)` - Get by slug\n- `findChildren(int)` - Get child documents\n- `findRootDocuments()` - Get top-level docs\n- `getHierarchy()` - Build complete tree\n- `getBreadcrumb(int)` - Get path to root\n- `getSiblings(int)` - Get same-level documents\n- `getStatistics()` - Count stats by depth\/status\n\n### 6. Infrastructure Layer - DokumentationRepository\n\n**File:** `\/var\/www\/dev.campus.systemische-tools.de\/src\/Infrastructure\/Persistence\/DokumentationRepository.php`\n\nComplete implementation with:\n\n**Hierarchy Methods:**\n- `getHierarchy()` - Recursive tree building\n- `buildTree(array)` - Recursive helper\n- `getBreadcrumb()` - Walk up parent chain\n- `getSiblings()` - Get peer documents\n- `getTree()` - Alias for getHierarchy()\n\n**Query Methods:**\n- `findAll(status?, parentId?, search?, limit, offset)` - List with filters\n- `count(status?, parentId?, search?)` - Pagination support\n- `getStatistics()` - Group by depth and status\n\n**CRUD Methods:**\n- `create(array)` - Insert with automatic path\/depth calculation\n- `update(int, array)` - Update with version tracking\n- `delete(int)` - Simple deletion\n\n**Database Details:**\n- Table: `dokumentation` (ki_dev database)\n- Fields tracked: id, parent_id, slug, path, depth, title, description, content, content_format, status, sort_order, created_at, updated_at, version\n- Path is auto-calculated: parent_path + '\/' + slug\n- Depth is auto-calculated: parent_depth + 1\n- Status filter: Only returns 'published' docs in public queries\n\n### 7. Related Services for Enhanced Functionality\n\n**ChunkSyncService** (`\/src\/Infrastructure\/Docs\/ChunkSyncService.php`)\n- Syncs documentation chunks with Qdrant vector database\n- Performs semantic search on documentation\n- Builds embeddings for chunks\n- Supports taxonomy-based filtering\n- Returns results with similarity scores\n\n**DocumentationChatUseCase** (`\/src\/UseCases\/Docs\/DocumentationChatUseCase.php`)\n- Implements RAG (Retrieval-Augmented Generation)\n- Retrieves relevant chunks via `ChunkSyncService::search()`\n- Generates answers using OllamaService\n- Returns answer + sources with relevance scores\n- German language prompts\n\n**ChunkingService** (`\/src\/Infrastructure\/Docs\/ChunkingService.php`)\n- Splits documents into semantic chunks\n- Tracks heading paths and hierarchy\n\n**ChunkAnalysisService** (`\/src\/Infrastructure\/Docs\/ChunkAnalysisService.php`)\n- Analyzes chunks for keywords, entities, taxonomy\n\n### 8. Dependency Injection Configuration\n\n**File:** `\/var\/www\/dev.campus.systemische-tools.de\/src\/services.php`\n\nService registration:\n```php\n$container->set(DokumentationRepository::class, fn () => new DokumentationRepository());\n$container->set(DokumentationRepositoryInterface::class, fn (Container $c) => $c->get(DokumentationRepository::class));\n$container->set(ChunkSyncService::class, fn (Container $c) => new ChunkSyncService(\n $c->get('pdo.dev'),\n $c->get(OllamaService::class)\n));\n```\n\nUses DI Container with PSR-11 compatible autowiring.\n\n### 9. Framework Base Classes\n\n**Controller Base** (`\/src\/Framework\/Controller.php`)\n- `view(name, data)` - Render PHP template with extracted data\n- `json(data, status)` - JSON response with JSON_UNESCAPED_UNICODE\n- `notFound(message)` - Smart 404 (JSON or HTML based on Accept header)\n- `getJsonInput()`, `getString()`, `getInt()` - Input helpers\n- CSRF protection methods\n\n**Router** (`\/src\/Framework\/Router.php`)\n- Pattern-based routing with regex conversion\n- Supports `{name:pattern}` syntax for custom patterns\n- DI Container integration for controller instantiation\n- Method dispatch (GET, POST, PUT, DELETE)\n\n### 10. UI Integration\n\nThe `\/docs` link is accessible from the main navigation under \"Ressourcen\" (Resources) dropdown in the layout.php template. The layout includes HTMX support, CSS frameworks, and responsive design.\n\n### Summary of Implementation Pattern\n\nThe \/docs endpoint follows a clean MVC architecture:\n\n1. **Routes** define HTTP entry points with pattern matching\n2. **Controllers** (both web and API) handle requests, delegate to repositories\n3. **Repositories** handle persistence and tree building\n4. **Services** (ChunkSync, Chat) add semantic search and AI features\n5. **Views** render documentation with recursive hierarchy\n6. **Domain Layer** defines interfaces for decoupled design\n7. **DI Container** manages dependencies and wiring\n\nThe system supports hierarchical documentation with path-based URLs, automatic breadcrumb generation, semantic search via Qdrant embeddings, and RAG-based question answering using local LLM models."
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