feat: Core Config and doc sharding is now optional in v4

bmad-core/tasks/kb-mode-interaction.md

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+# KB Mode Interaction Task
+
+## Purpose
+Provide a user-friendly interface to the BMAD knowledge base without overwhelming users with information upfront.
+
+## Instructions
+
+When entering KB mode (*kb-mode), follow these steps:
+
+### 1. Welcome and Guide
+Announce entering KB mode with a brief, friendly introduction:
+
+"I've entered KB mode and have access to the full BMAD knowledge base. I can help you with detailed information about any aspect of BMAD-METHOD."
+
+### 2. Present Topic Areas
+Offer a concise list of main topic areas the user might want to explore:
+
+**What would you like to know more about?**
+
+1. **Setup & Installation** - Getting started with BMAD
+2. **Workflows** - Choosing the right workflow for your project
+3. **Web vs IDE** - When to use each environment
+4. **Agents** - Understanding specialized agents and their roles
+5. **Documents** - PRDs, Architecture, Stories, and more
+6. **Agile Process** - How BMAD implements Agile methodologies
+7. **Configuration** - Customizing BMAD for your needs
+8. **Best Practices** - Tips for effective BMAD usage
+
+Or ask me about anything else related to BMAD-METHOD!
+
+### 3. Respond Contextually
+- Wait for user's specific question or topic selection
+- Provide focused, relevant information from the knowledge base
+- Offer to dive deeper or explore related topics
+- Keep responses concise unless user asks for detailed explanations
+
+### 4. Interactive Exploration
+- After answering, suggest related topics they might find helpful
+- Maintain conversational flow rather than data dumping
+- Use examples when appropriate
+- Reference specific documentation sections when relevant
+
+### 5. Exit Gracefully
+When user is done or wants to exit KB mode:
+- Summarize key points discussed if helpful
+- Remind them they can return to KB mode anytime with *kb-mode
+- Suggest next steps based on what was discussed
+
+## Example Interaction
+
+**User**: *kb-mode
+
+**Assistant**: I've entered KB mode and have access to the full BMAD knowledge base. I can help you with detailed information about any aspect of BMAD-METHOD.
+
+**What would you like to know more about?**
+
+1. **Setup & Installation** - Getting started with BMAD
+2. **Workflows** - Choosing the right workflow for your project
+3. **Web vs IDE** - When to use each environment
+4. **Agents** - Understanding specialized agents and their roles
+5. **Documents** - PRDs, Architecture, Stories, and more
+6. **Agile Process** - How BMAD implements Agile methodologies
+7. **Configuration** - Customizing BMAD for your needs
+8. **Best Practices** - Tips for effective BMAD usage
+
+Or ask me about anything else related to BMAD-METHOD!
+
+**User**: Tell me about workflows
+
+**Assistant**: [Provides focused information about workflows from the KB, then offers to explore specific workflow types or related topics]