docs: seed CHANGELOG.md (Keep-a-Changelog format)

CHANGELOG.md

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+<!--
+SPDX-License-Identifier: MPL-2.0
+SPDX-FileCopyrightText: 2026 Jonathan D.A. Jewell (hyperpolymath)
+-->
+
+# Changelog
+
+All notable changes to `git-reticulator` will be documented in this file.
+
+This file is generated from conventional commits by the
+[`changelog-reusable.yml`](https://github.com/hyperpolymath/standards/blob/main/.github/workflows/changelog-reusable.yml)
+workflow (`hyperpolymath/standards#206`). Adopt the workflow in this repo's CI to keep this file in sync automatically — see
+[`templates/cliff.toml`](https://github.com/hyperpolymath/standards/blob/main/templates/cliff.toml)
+for the canonical config.
+
+The format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/);
+this project aims to follow [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+
+- feat(crg): add crg-grade and crg-badge justfile recipes
+- feat: wire conflow config validation pipeline
+- feat: add k9iser.toml and generate K9 contracts
+- feat: add stapeln.toml container definition
+- feat: deploy UX Manifesto infrastructure
+- feat: git-reticulator — semantic lattice builder for git repos in AffineScript
+
+### Fixed
+
+- fix(ci): sync hypatia-scan.yml to canonical (413: env.HOME+Phase-2+SARIF) (#6)
+- fix(ci): adopt canonical hypatia-scan.yml (env.HOME/scanner-layout + Comment-step gate) (#4)
+- fix(ci): adopt canonical hypatia-scan.yml (env.HOME/scanner-layout + Comment-step gate) (#3)
+- fix: set correct Groove capability type (was: custom)
+- fix(ci): replace casket-pages with standard Jekyll Pages workflow
+- fix(deps): update lock files to resolve security advisories
+- fix: EXPLAINME.adoc — quote README claims, brief format, evidence table
+
+### Documentation
+
+- docs(readme): add SPDX header, OSSF and GWF badges
+- docs: add TOPOLOGY.md
+
+### CI
+
+- ci(rust): convert rust-ci.yml to thin wrapper (standards#174) (#11)
+- ci(deps): add Dependabot config to surface Rust security alerts
+- ci: deploy dogfood-gate, add Groove manifest and CRG tests
+
+## Pre-history
+
+Prior commits to this file's introduction are recorded in git history but not formally classified into Keep-a-Changelog sections. To backfill, run `git cliff -o CHANGELOG.md` locally using the canonical [`cliff.toml`](https://github.com/hyperpolymath/standards/blob/main/templates/cliff.toml) — this is one-shot mechanical work.
+
+---
+
+<!-- This file was seeded by the 2026-05-26 estate tech-debt audit follow-up (Row-2 Phase 3); see [`hyperpolymath/standards/docs/audits/2026-05-26-estate-documentation-debt.md`](https://github.com/hyperpolymath/standards/blob/main/docs/audits/2026-05-26-estate-documentation-debt.md). -->