release: v1.2.0 — adoption polish and publish pipeline (WP-0005)

Bump version to 1.2.0. Fleet parity, install doc sync, Gitea publish workflow
fixes, and Helix reciprocal doc link. Closes KAIZEN-WP-0005.

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.2.0] - 2026-06-16
+
 ### Added
 - **`make agents-sync-package`** — sync `agents/` into packaged `data/agents/`
 - **Packaged agent parity test** — `release-check` fails when wheel data drifts from source
@@ -14,7 +16,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - **Install documentation** — HELLO_WORLD, CLI_CHEAT_SHEET, AGENT_DISTRIBUTION use Gitea PyPI extra index
-- **`docs/PACKAGE_RELEASE.md`** — secrets setup and pre-tag release checklist
+- **`docs/PACKAGE_RELEASE.md`** — OpenBao token custody, publish smoke-test notes, pre-tag checklist
+
+### Fixed
+- **Gitea publish workflow** — `.build-venv` for PEP 668 on haskelseed; explicit twine credentials; `tegwick` + `inter-hub-pkg-rep` token from OpenBao
+- **Helix correlation docs** — bidirectional link with agentic-resources (WP-0005 T16)
 
 ## [1.1.0] - 2026-06-18