docs: add BackendDeveloper agent, workflow commands, and skills to KILO_SPEC

.kilo/KILO_SPEC.md

@@ -433,9 +433,30 @@ Provider availability depends on configuration. Common providers include:
 | `@AgentArchitect` | Manages agent network per Kilo.ai spec | ollama-cloud/gpt-oss:120b |
 | `@CapabilityAnalyst` | Analyzes task coverage, identifies gaps | ollama-cloud/gpt-oss:120b |
 | `@MarkdownValidator` | Validates Markdown for Gitea issues | qwen/qwen3.6-plus:free |
+| `@BackendDeveloper` | Node.js, Express, APIs, database specialist | ollama-cloud/deepseek-v3.2 |
 
 **Note:** For AgentArchitect, use `subagent_type: "system-analyst"` with prompt "You are Agent Architect..." (workaround for unsupported agent-architect type).
 
+### Workflow Commands
+
+| Command | Description | Model |
+|---------|-------------|-------|
+| `/landing-page` | Create landing page CMS from HTML mockups | ollama-cloud/kimi-k2.5 |
+| `/commerce` | Create e-commerce site with products, cart, payments | qwen/qwen3-coder:free |
+| `/blog` | Create blog/CMS with posts, comments, SEO | qwen/qwen3-coder:free |
+| `/pipeline` | Run full agent pipeline for issue | - |
+| `/feature` | Full feature development pipeline | qwen/qwen3-coder:free |
+| `/code` | Quick code generation | qwen/qwen3-coder:free |
+| `/debug` | Analyzes and fixes bugs | openai/gpt-oss-20b |
+| `/ask` | Answers codebase questions | openai/qwen3-32b |
+| `/plan` | Creates detailed task plans | qwen/qwen3-coder:free |
+| `/e2e-test` | Run E2E tests with browser automation | - |
+| `/status` | Check pipeline status for issue | - |
+| `/evaluate` | Generate performance report | - |
+| `/review` | Code review workflow | - |
+| `/review-watcher` | Auto-validate review results | - |
+| `/hotfix` | Hotfix workflow | - |
+
 ### Workflow Pipeline
 
 ```
@@ -461,6 +482,34 @@ Provider availability depends on configuration. Common providers include:
 - Pull request creation via API
 - Issue integration and auto-close
 
+### E-commerce Domain
+
+**Location**: `.kilo/skills/ecommerce/SKILL.md`
+
+**Purpose**: Domain knowledge for building e-commerce systems.
+
+**Capabilities**:
+- Product catalog management
+- Shopping cart implementation
+- Order processing workflow
+- Payment integration (Stripe, PayPal)
+- Inventory management
+- Database schemas for products, orders, payments
+
+### Blog/CMS Domain
+
+**Location**: `.kilo/skills/blog/SKILL.md`
+
+**Purpose**: Domain knowledge for building blog and content management systems.
+
+**Capabilities**:
+- Post CRUD with draft/publish states
+- Categories and tags (hierarchical and flat)
+- Comment moderation with spam detection
+- SEO optimization (meta, Open Graph, Schema.org)
+- RSS/Atom feeds and sitemap generation
+- Media library management
+
 ---
 
 ## File Naming Conventions