BMAD-METHOD/expansion-packs/bmad-wechat-mini-game-dev/tasks/shard-doc.md

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# Document Sharding Task
## Purpose
- Split a large document into multiple smaller documents based on level 2 sections
- Create a folder structure to organize the sharded documents
- Maintain all content integrity including code blocks, diagrams, and markdown formatting
## Task Instructions
1. Identify Document and Target Location
- Determine which document to shard (user-provided path)
- Create a new folder under `docs/` with the same name as the document (without extension)
- Example: `docs/prd.md` → create folder `docs/prd/`
2. Parse and Extract Sections
CRITICAL AEGNT SHARDING RULES:
1. Read the entire document content
2. Identify all level 2 sections (## headings)
3. For each level 2 section:
- Extract the section heading and ALL content until the next level 2 section
- Include all subsections, code blocks, diagrams, lists, tables, etc.
- Be extremely careful with:
- Fenced code blocks (```) - ensure you capture the full block including closing backticks and account for potential misleading level 2's that are actually part of a fenced section example
- Mermaid diagrams - preserve the complete diagram syntax
- Nested markdown elements
- Multi-line content that might contain ## inside code blocks
CRITICAL: Use proper parsing that understands markdown context. A ## inside a code block is NOT a section header.]]
### 3. Create Individual Files
For each extracted section:
1. **Generate filename**: Convert the section heading to lowercase-dash-case
- Remove special characters
- Replace spaces with dashes
- Example: "## Tech Stack" → `tech-stack.md`
2. **Adjust heading levels**:
- The level 2 heading becomes level 1 (# instead of ##) in the sharded new document
- All subsection levels decrease by 1:
```txt
- ### → ##
- #### → ###
- ##### → ####
- etc.
```
3. **Write content**: Save the adjusted content to the new file
### 4. Create Index File
Create an `index.md` file in the sharded folder that:
1. Contains the original level 1 heading and any content before the first level 2 section
2. Lists all the sharded files with links:
```markdown
# Original Document Title
[Original introduction content if any]
## Sections
- [Section Name 1](./section-name-1.md)
- [Section Name 2](./section-name-2.md)
- [Section Name 3](./section-name-3.md)
...
```
### 5. Preserve Special Content
1. **Code blocks**: Must capture complete blocks including:
```language
content
```
2. **Mermaid diagrams**: Preserve complete syntax:
```mermaid
graph TD
...
```
3. **Tables**: Maintain proper markdown table formatting
4. **Lists**: Preserve indentation and nesting
5. **Inline code**: Preserve backticks
6. **Links and references**: Keep all markdown links intact
7. **Template markup**: If documents contain {{placeholders}} ,preserve exactly
### 6. Validation
After sharding:
1. Verify all sections were extracted
2. Check that no content was lost
3. Ensure heading levels were properly adjusted
4. Confirm all files were created successfully
### 7. Report Results
Provide a summary:
```text
Document sharded successfully:
- Source: [original document path]
- Destination: docs/[folder-name]/
- Files created: [count]
- Sections:
- section-name-1.md: "Section Title 1"
- section-name-2.md: "Section Title 2"
...
```
## Important Notes
- Never modify the actual content, only adjust heading levels
- Preserve ALL formatting, including whitespace where significant
- Handle edge cases like sections with code blocks containing ## symbols
- Ensure the sharding is reversible (could reconstruct the original from shards)