Retrieves all blocks on the specified page with their hierarchical structure,
including nested children up to 5 levels deep. Returns content in markdown format
with proper indentation to reflect the block hierarchy.

Args:
    page_name: Exact name of the page to retrieve (case-sensitive)
    
Returns:
    JSON string containing:
    - result: Array of blocks with content and timestamps
    - Each block includes: content (markdown), timestamp (edit time)
    
Examples:
    get_page_content("Daily Notes")
    get_page_content("Project Planning")
    get_page_content("信用卡")

Finds all blocks across your Roam database that contain links to the specified page.
Results are sorted by most recent edit time and include the full hierarchical context
of each referencing block.

Args:
    page_name: Exact name of the page to find references for (case-sensitive)
    limit: Maximum number of references to return per request (default: 10)
    cursor: Timestamp cursor for pagination - use next_cursor from previous response
           to get additional results
           
Returns:
    JSON string containing:
    - result: Array of referencing blocks with content and timestamps  
    - next_cursor: Timestamp for pagination (if more results available)
    - total_matches: Number of references found in this batch
    
Examples:
    get_page_references("GTD")
    get_page_references("Project Alpha", limit=20)
    get_page_references("Meeting Notes", limit=5, cursor=1640995200000)

Creates a new block structure on the specified page with automatic indentation
detection. Supports nested bullet points and maintains proper parent-child
relationships between blocks. Content is appended to the end of the page.

Args:
    page_name: Exact name of the target page (case-sensitive, must exist)
    content: Hierarchical markdown content using '- ' prefix and indentation
            Format: "- Main topic
- Subtopic
    - Details"
            Supports any indentation level with automatic detection
            
Returns:
    JSON string containing:
    - result: "success" if completed
    - blocks_created: Total number of blocks created (including children)
    - details: Array of individual block creation results
    
Examples:
    write_to_page("Project Notes", "- New milestone
- Task 1
- Task 2")
    write_to_page("信用卡", "- [[銀行/國泰]]
- 現金回饋 2%")

Automatically creates today's daily page if it doesn't exist, then adds the
provided content as a hierarchical block structure. Uses Roam's standard
date format (e.g., "July 28, 2025") and maintains proper block relationships.

Args:
    content: Hierarchical markdown content using '- ' prefix and indentation
            Format: "- Main topic
- Subtopic
    - Details"
            Supports any indentation level with automatic detection
            
Returns:
    JSON string containing:
    - result: "success" if completed
    - blocks_created: Total number of blocks created (including children) 
    - details: Array of individual block creation results
    
Examples:
    write_to_today("- Daily standup
- Completed: Bug fixes
- Next: Feature review")
    write_to_today("- [[會議/週會]]
- 參與者: @John, @Mary
- 議題: Q4 規劃")