Release AIKernel.Control v0.1.2 execution control plane (#3)

## Summary
This PR releases AIKernel.Control v0.1.2 as the physical execution and governance control plane.

## Changes
- Aligns Control packages with AIKernel.NET and AIKernel.Core v0.1.2.
- Stabilizes Control Core, CPU, GPU boundary, Emulator, Diagnostics, and policy adapter surfaces.
- Keeps CTG/Gate logic delegated to Core and preserves Control as orchestration.
- Prepares the renamed community-facing package family for official release.

## Validation
- dotnet restore
- dotnet build
- dotnet test

## Release
This PR prepares AIKernel.Control v0.1.2 package publication and GitHub release.

Release 0.1.1: Govern the control plane (#2)

## Summary
- Finalizes the Control 0.1.1 governance surface.
- Aligns policies, schedulers, diagnostics, CPU, GPU, and emulator surfaces.
- Updates user-facing release documentation for the deterministic governance layer.

## Validation
- Release build passed.
- Control test suite passed.

Prepare AIKernel.Control v0.1.0 public release packages (#1)

## Summary

- Add NuGet public release metadata for AIKernel.Control packages
- Add package descriptions, release notes, project URL, README, and package icon
- Add per-package titles and descriptions for Core, CPU, Emulator, GPU, and Diagnostics
- Update aikernel-governance Python package metadata
- Refresh bundled managed assemblies for the Python wrapper
- Rebuild NuGet and PyPI release packages for v0.1.0

## Verification

- dotnet pack AIKernel.Control.slnx -c Release --no-restore -o artifacts\packages
- py -m build --wheel
- py -m twine check dist\aikernel_governance-0.1.0-py3-none-any.whl
- py -m pytest