zagens-cli 0.7.5

Zagens headless CLI + HTTP/SSE runtime sidecar (`zagens`, `zagens-runtime` binaries)
Documentation
{
  "title": "Regression Test",
  "subtitle": "Post-refactor compatibility check",
  "theme": "dark",
  "slides": [
    {
      "title": "Slide with chart and bullets",
      "chart": {
        "type": "bar",
        "categories": ["A", "B", "C"],
        "series": [{"name": "Val", "values": [10, 20, 15]}],
        "chart_title": "Test Chart",
        "data_labels": true
      },
      "bullets": ["Point 1", "Point 2"]
    },
    {
      "title": "Slide with table",
      "table": {
        "headers": ["Col1", "Col2"],
        "rows": [["a", "b"], ["c", "d"]]
      },
      "notes": "This is a speaker note"
    },
    {
      "title": "Slide with blocks (should fallback)",
      "blocks": [{"type": "richtext", "runs": [{"t": "test"}]}],
      "chart": {"type": "pie", "categories": ["X"], "series": [{"name": "Y", "values": [1]}]},
      "bullets": ["Fallback expected"]
    }
  ]
}