evidence/prompt_outputs/20260823.035649.869Z_jq_build

Implemented PATH-002.

RESULT: SUCCESS

FILES CHANGED:
- jq_interpreter/evaluator.py
- tests/test_path_002_access_mutation.py

SUMMARY:
Added validated immutable `getpath`, `setpath`, and `delpaths` behavior, including nested creation, deletion ordering, negative indices, depth/index limits, and invalid path handling.

Verification:
- Scoped conformance: 16 passed, 0 failed, 0 errors
- Pytest: 131 passed

BLOCKERS:
- None