[
  {
      "id": "MEDIA-META-001",
      "payload": "/api/assets?gps_latitude=999.999&gps_longitude=999.999",
      "tags": [
        "metadata-poison",
        "gps-spoofing",
        "quick",
        "medium"
    ],
      "expected_block": false,
      "severity_hint": "Medium",
      "notes": "Invalid GPS coordinates (out of range)",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-002",
      "payload": "/api/assets?gps_latitude=0&gps_longitude=0",
      "tags": [
        "metadata-poison",
        "gps-spoofing",
        "null-island",
        "low"
    ],
      "expected_block": false,
      "severity_hint": "Low",
      "notes": "Null Island GPS coordinates (0,0)",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-003",
      "payload": "/api/assets?title=​‌‍⁠Invisible",
      "tags": [
        "metadata-poison",
        "unicode",
        "zero-width",
        "quick",
        "medium"
    ],
      "expected_block": false,
      "severity_hint": "Medium",
      "notes": "Zero-width Unicode characters in title",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-004",
      "payload": "/api/assets?description=AAAAAAAAAAAAAAAA[...1MB of A's...]",
      "tags": [
        "metadata-poison",
        "dos",
        "oversized",
        "high"
    ],
      "expected_block": false,
      "severity_hint": "High",
      "notes": "1MB description for DoS (truncated for JSON)",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-005",
      "payload": "/api/assets?tags=[\"tag1\",\"tag2\",\"tag3\",...\"tag10000\"]",
      "tags": [
        "metadata-poison",
        "dos",
        "array-overflow",
        "quick",
        "medium"
    ],
      "expected_block": false,
      "severity_hint": "Medium",
      "notes": "10,000 tags for resource exhaustion (truncated)",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-006",
      "payload": "/api/assets?filename=‮‭gpj.exe",
      "tags": [
        "metadata-poison",
        "unicode",
        "bidi-override",
        "high"
    ],
      "expected_block": false,
      "severity_hint": "High",
      "notes": "Bidirectional text override (RTLO/LRO)",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-007",
      "payload": "/api/assets?created_at=9999-12-31T23:59:59Z",
      "tags": [
        "metadata-poison",
        "time-manipulation",
        "low"
    ],
      "expected_block": false,
      "severity_hint": "Low",
      "notes": "Future timestamp (year 9999)",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-008",
      "payload": "/api/assets?created_at=1900-01-01T00:00:00Z",
      "tags": [
        "metadata-poison",
        "time-manipulation",
        "quick",
        "low"
    ],
      "expected_block": false,
      "severity_hint": "Low",
      "notes": "Historical timestamp before photography",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-009",
      "payload": "/api/assets?rating=-5",
      "tags": [
        "metadata-poison",
        "invalid-range",
        "low"
    ],
      "expected_block": false,
      "severity_hint": "Low",
      "notes": "Negative rating value",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-010",
      "payload": "/api/assets?iso_speed=999999999",
      "tags": [
        "metadata-poison",
        "invalid-range",
        "quick",
        "low"
    ],
      "expected_block": false,
      "severity_hint": "Low",
      "notes": "Impossible ISO speed value",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-011",
      "payload": "/api/assets?focal_length=-50mm",
      "tags": [
        "metadata-poison",
        "invalid-range",
        "low"
    ],
      "expected_block": false,
      "severity_hint": "Low",
      "notes": "Negative focal length",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-012",
      "payload": "/api/assets?file_size=-1024",
      "tags": [
        "metadata-poison",
        "invalid-range",
        "quick",
        "medium"
    ],
      "expected_block": false,
      "severity_hint": "Medium",
      "notes": "Negative file size",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-013",
      "payload": "/api/assets?orientation=999",
      "tags": [
        "metadata-poison",
        "invalid-enum",
        "low"
    ],
      "expected_block": false,
      "severity_hint": "Low",
      "notes": "Invalid EXIF orientation value (valid: 1-8)",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-014",
      "payload": "/api/assets?color_space=\u0000\u0000\u0000\u0000",
      "tags": [
        "metadata-poison",
        "null-byte",
        "quick",
        "medium"
    ],
      "expected_block": false,
      "severity_hint": "Medium",
      "notes": "Null bytes in color space field",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-015",
      "payload": "/api/assets?lens_model=𐀀",
      "tags": [
        "metadata-poison",
        "unicode",
        "surrogate-pair",
        "medium"
    ],
      "expected_block": false,
      "severity_hint": "Medium",
      "notes": "Unicode surrogate pair in lens model",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-016",
      "payload": "/api/assets?keywords={\"nested\":{\"deeply\":{\"too\":{\"many\":{\"levels\":{\"here\":\"value\"}}}}}}",
      "tags": [
        "metadata-poison",
        "json-bomb",
        "dos",
        "quick",
        "high"
    ],
      "expected_block": false,
      "severity_hint": "High",
      "notes": "Deeply nested JSON structure",
      "category": "Media"
  },
  {
      "id": "MEDIA-META-017",
      "payload": "/api/assets?altitude=99999999",
      "tags": [
        "metadata-poison",
        "gps-spoofing",
        "invalid-range",
        "low"
    ],
      "expected_block": false,
      "severity_hint": "Low",
      "notes": "Impossible altitude (99,999km)",
      "category": "Media"
  }
]