Add Antelope smart contract graph support

[SamuelRDC69]

Summary

• add Antelope/CDT-aware parsing for CONTRACT, ACTION, TABLE, eosio attributes, ABI files, and dapp/test action calls
• emit contract-review edges for auth, table reads/writes/erases, table alias-to-row mappings, inline actions, notifications, and dapp CALLS_ACTION usage
• add code-review-graph visualize --mode antelope plus edge-aware auto visualization for contract/action/table review
• expose Antelope table access queries through query_graph (writers_of, readers_of, erasers_of, accessors_of) and include edge metadata in traversal results
• add fixtures, tests, and docs for Antelope parsing, table alias resolution, visualization, and query behavior

Tests

• uv run ruff check code_review_graph/
• uv run --with mypy --with types-networkx mypy code_review_graph/ --ignore-missing-imports --no-strict-optional
• uv run --with 'bandit[toml]' bandit -r code_review_graph/ -c pyproject.toml
• schema sync check: Python LATEST_VERSION 9 matches VSCode SUPPORTED_SCHEMA_VERSION 9
• uv run pytest tests/ --tb=short -q (1285 passed, 1 skipped, 2 xpassed)
• uv run pytest --cov=code_review_graph --cov-report=term-missing --cov-fail-under=65 (73.19% coverage)

Notes

• This branch is current with origin/main (0c9a5ff).
• Direct push to upstream origin is not available for this account, so the PR is submitted from the fork branch SamuelRDC69:codex/antelope-contract-awareness.