Release Cortext v1.2.3

[gabewillen]

Summary

• synchronize all maintained version surfaces at 1.2.3
• record the merged bounded SQLite retrieval and consolidation fixes in RELEASE.md
• prepare PyPI, npm, and GitHub publication from one exact integrated commit

Verification

• all seven version/release surfaces parse as 1.2.3
• release diff is limited to the established seven metadata files
• preflight Python wheel and sdist contain six native targets, no model payload, load native version 1.2.3, and pass Twine checks
• preflight npm tarball contains six native targets, no model payload, loads native version 1.2.3, and passes the binding contract
• final registry artifacts will be rebuilt from the integrated tagged commit before publication

No public API/C API change, source-id/MIME/modality branch, or new write path is introduced.

[gabewillen]

@codex review

[Copilot]

Pull request overview

This PR prepares the Cortext v1.2.3 release by synchronizing the repository’s maintained version surfaces and updating the tracked release artifact to reflect the integrated/tagged release source and highlights.

Changes:

• Bump all maintained build/binding metadata versions from 1.2.2 to 1.2.3 (CMake, Zig, Python, JavaScript, Dart).
• Update RELEASE.md to v1.2.3, including the integrated-release source description, updated highlights, and verification notes.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
RELEASE.md	Updates the tracked release artifact to v1.2.3 with refreshed release state, highlights, verification notes, and publish targets.
CMakeLists.txt	Bumps the core CMake project version to 1.2.3.
build.zig.zon	Bumps the Zig package manifest version to 1.2.3.
build.zig	Bumps the Zig build version surfaces (string + semantic version struct) to 1.2.3.
bindings/python/pyproject.toml	Bumps the Python package version to 1.2.3.
bindings/javascript/package.json	Bumps the npm package version to 1.2.3.
bindings/dart/pubspec.yaml	Bumps the Dart binding version to 1.2.3.

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[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Another round soon, please!

Reviewed commit: 39fc0ea440

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