{
  "$schema": "../_schema.json",
  "format": "docx",
  "element": "watermark",
  "parent": "body",
  "operations": {
    "add": true,
    "set": true,
    "get": true,
    "query": true,
    "remove": true
  },
  "paths": {
    "positional": ["/watermark"]
  },
  "note": "Watermarks are inserted into the document header as VML/DrawingML shapes. Text or image variants supported.",
  "properties": {
    "text": {
      "type": "string",
      "description": "watermark text (text variant).",
      "add": true, "set": true, "get": true,
      "examples": ["--prop text=DRAFT"],
      "readback": "text content",
      "enforcement": "report"
    },
    "image": {
      "type": "string",
      "description": "image source for image watermark. Aliases: src, path.",
      "aliases": ["src", "path"],
      "add": true, "set": true, "get": false,
      "examples": ["--prop image=/path/to/logo.png"],
      "readback": "n/a",
      "enforcement": "report"
    },
    "color": {
      "type": "color",
      "add": true, "set": true, "get": true,
      "examples": ["--prop color=#C0C0C0"],
      "readback": "#-prefixed hex",
      "enforcement": "report"
    },
    "font": {
      "type": "string",
      "add": true, "set": true, "get": true,
      "examples": ["--prop font=Calibri"],
      "readback": "font name",
      "enforcement": "report"
    },
    "rotation": {
      "type": "int",
      "description": "VML rotation in degrees (0-360). Defaults to 315 (diagonal). Accepts negative input: -45 is stored and read back as 315.",
      "add": true, "set": true, "get": true,
      "examples": ["--prop rotation=315", "--prop rotation=-45"],
      "readback": "rotation degrees (0-360, e.g. 315)",
      "enforcement": "report"
    },
    "opacity": {
      "type": "string",
      "description": "opacity 0..1 float as string (e.g. 0.5). Verbatim VML attribute injection.",
      "add": true, "set": true, "get": true,
      "examples": ["--prop opacity=.5"],
      "readback": "opacity value",
      "enforcement": "report"
    },
    "size": {
      "type": "string",
      "description": "font size for text watermark (pt). Default 1pt (auto-fit).",
      "add": true, "set": true, "get": true,
      "examples": ["--prop size=72pt"],
      "readback": "pt-suffixed size",
      "enforcement": "report"
    },
    "width": {
      "type": "string",
      "description": "watermark shape width (pt/in/cm).",
      "add": true, "set": true, "get": true,
      "examples": ["--prop width=415pt"],
      "readback": "shape width",
      "enforcement": "report"
    },
    "height": {
      "type": "string",
      "description": "watermark shape height (pt/in/cm).",
      "add": true, "set": true, "get": true,
      "examples": ["--prop height=207.5pt"],
      "readback": "shape height",
      "enforcement": "report"
    }
  }
}