index-graph 2.14.0

• Route: add index route --path REPO --json, the index.route MCP tool, and
  the build_route() Python entry point for explicit-path context envelopes that
  validate named repositories under the root without discovering unrelated sibling
  repositories. The route receipt is portable, reconciles selected and rejected
  paths, and embeds the existing context-envelope payload.
• Context envelopes: add opt-in bounded serialized output with --bounded-output,
  the bounded_output MCP/Python argument, and source_ref_omissions records. The
  default remains the existing lossless-by-reference retained-selection budget; the
  opt-in mode compacts oversized source-ref lists into omission counts, hashes, and
  reissue handles and reports packet size as serialized UTF-8 bytes divided by four,
  rounded up, not as tokenizer truth. CLI and MCP calls now measure their emitted
  transport surfaces; bounded CLI JSON writes the measured UTF-8 LF byte payload
  directly so Windows newline translation cannot exceed the reported budget. MCP
  rejects malformed boolean values, and minimal overflow receipts preserve
  pre-existing omitted-repo metadata.
• Releases: a tag push runs the test suite and checks the tag against the package
  version before it builds, uploads to PyPI with skip-existing so a partial
  upload can be re-run, and creates the GitHub Release with the wheel, the sdist
  and SHA256SUMS.txt once PyPI serves those same files. RELEASE.md lists the
  steps, and tests/test_version_sites.py fails when the README or CHANGELOG
  names a version other than the package's.