{
  "version": "1.5",
  "category": "decode",
  "description": "Path expansion with safe mode, deep merge, conflict resolution tied to strict mode",
  "tests": [
    {
      "name": "expands dotted key to nested object in safe mode",
      "input": "a.b.c: 1",
      "expected": {
        "a": {
          "b": {
            "c": 1
          }
        }
      },
      "options": {
        "expandPaths": "safe"
      },
      "specSection": "13.4"
    },
    {
      "name": "expands dotted key with inline array",
      "input": "data.meta.items[2]: a,b",
      "expected": {
        "data": {
          "meta": {
            "items": ["a", "b"]
          }
        }
      },
      "options": {
        "expandPaths": "safe"
      },
      "specSection": "13.4"
    },
    {
      "name": "expands dotted key with tabular array",
      "input": "a.b.items[2]{id,name}:\n  1,A\n  2,B",
      "expected": {
        "a": {
          "b": {
            "items": [
              { "id": 1, "name": "A" },
              { "id": 2, "name": "B" }
            ]
          }
        }
      },
      "options": {
        "expandPaths": "safe"
      },
      "specSection": "13.4"
    },
    {
      "name": "preserves literal dotted keys when expansion is off",
      "input": "user.name: Ada",
      "expected": {
        "user.name": "Ada"
      },
      "options": {
        "expandPaths": "off"
      },
      "specSection": "13.4"
    },
    {
      "name": "expands and deep-merges preserving document-order insertion",
      "input": "a.b.c: 1\na.b.d: 2\na.e: 3",
      "expected": {
        "a": {
          "b": {
            "c": 1,
            "d": 2
          },
          "e": 3
        }
      },
      "options": {
        "expandPaths": "safe"
      },
      "specSection": "13.4"
    },
    {
      "name": "throws on expansion conflict (object vs primitive) when strict=true",
      "input": "a.b: 1\na: 2",
      "expected": null,
      "shouldError": true,
      "options": {
        "expandPaths": "safe",
        "strict": true
      },
      "specSection": "14.3"
    },
    {
      "name": "throws on expansion conflict (object vs array) when strict=true",
      "input": "a.b: 1\na[2]: 2,3",
      "expected": null,
      "shouldError": true,
      "options": {
        "expandPaths": "safe",
        "strict": true
      },
      "specSection": "14.3"
    },
    {
      "name": "applies LWW when strict=false (primitive overwrites expanded object)",
      "input": "a.b: 1\na: 2",
      "expected": {
        "a": 2
      },
      "options": {
        "expandPaths": "safe",
        "strict": false
      },
      "specSection": "13.4",
      "note": "Document order determines winner: later key overwrites earlier"
    },
    {
      "name": "applies LWW when strict=false (expanded object overwrites primitive)",
      "input": "a: 1\na.b: 2",
      "expected": {
        "a": {
          "b": 2
        }
      },
      "options": {
        "expandPaths": "safe",
        "strict": false
      },
      "specSection": "13.4",
      "note": "Document order determines winner: later key overwrites earlier"
    },
    {
      "name": "preserves quoted dotted key as literal when expandPaths=safe",
      "input": "a.b: 1\n\"c.d\": 2",
      "expected": {
        "a": {
          "b": 1
        },
        "c.d": 2
      },
      "options": {
        "expandPaths": "safe"
      },
      "specSection": "13.4"
    },
    {
      "name": "preserves quoted non-IdentifierSegment keys as literals",
      "input": "\"full-name.x\": 1",
      "expected": {
        "full-name.x": 1
      },
      "options": {
        "expandPaths": "safe"
      },
      "specSection": "13.4",
      "note": "Quoted keys remain literal after unescaping; safe-mode expansion does not split them. The key must be quoted because §7.3 forbids hyphens in unquoted keys."
    },
    {
      "name": "expands keys creating empty nested objects",
      "input": "a.b.c:",
      "expected": {
        "a": {
          "b": {
            "c": {}
          }
        }
      },
      "options": {
        "expandPaths": "safe"
      },
      "specSection": "13.4"
    }
  ]
}