refactor: migrate Markdown to AsciiDoc

ARCHITECTURE.adoc

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+== Architecture
+
+=== Overview
+
+This repository follows a modular, maintainable architecture designed
+for clarity, scalability, and long-term sustainability.
+
+=== Directory Structure
+
+....
+.
+├── src/           # Source code
+├── tests/        # Test suites
+├── docs/         # Documentation
+├── scripts/      # Utility scripts
+├── config/       # Configuration files
+├── LICENSE       # License file
+├── LICENSES/     # Full license texts
+└── README.adoc   # Project documentation
+....
+
+=== Design Principles
+
+* *Separation of Concerns*: Each module has a single responsibility
+* *Testability*: Code is written to be easily testable
+* *Documentation*: All public APIs are documented
+* *Configuration*: Environment-specific settings are externalized
+
+=== Dependencies
+
+* External dependencies are minimized and clearly declared
+* Version pinning is used for reproducibility
+
+=== Security Considerations
+
+* Sensitive data is never committed to the repository
+* Secrets are managed through environment variables or secure vaults
+* Regular dependency audits are performed
+
+=== Maintainability
+
+* Code follows consistent style guidelines
+* Pull requests require review and CI checks
+* Issues and discussions are tracked transparently
+
+'''''
+
+_Last updated: 2026-07-18_

CHANGELOG.adoc

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+== Changelog
+
+All notable changes to `+http-capability-gateway+` will be documented in
+this file.
+
+This file is generated from conventional commits by the
+https://github.com/hyperpolymath/standards/blob/main/.github/workflows/changelog-reusable.yml[`+changelog-reusable.yml+`]
+workflow (`+hyperpolymath/standards#206+`). Adopt the workflow in this
+repo’s CI to keep this file in sync automatically — see
+https://github.com/hyperpolymath/standards/blob/main/templates/cliff.toml[`+templates/cliff.toml+`]
+for the canonical config.
+
+The format follows https://keepachangelog.com/en/1.1.0/[Keep a
+Changelog]; this project aims to follow
+https://semver.org/spec/v2.0.0.html[Semantic Versioning].
+
+=== [Unreleased]
+
+==== Added
+
+* feat(perf): Phase D benchmark harness scaffold (standards#99 / #91
+channel) (#12)
+* feat(policy): catalog mode — auto-policy from BoJ cartridge.json
+* feat(p2): bug fixes, unit tests, P2 productization docs
+* feat(p1): gateway hardening — bug fixes, concurrency tests,
+benchmarks, docs
+* feat(crg): add crg-grade and crg-badge justfile recipes
+* feat: add VeriSimDB async audit log client (capgw:audit)
+* feat: wire conflow config validation pipeline
+* feat: add k9iser.toml and generate K9 contracts
+* feat: add stapeln.toml layer-based container definitionfrom existing
+Containerfile to stapeln format.Chainguard base, security hardening,
+SBOM generation.-Authored-By: Claude Opus 4.6 (1M context)
+noreply@anthropic.com
+* feat: deploy UX Manifesto infrastructure
+
+==== Fixed
+
+* fix(ci): switch CodeQL language matrix to `+actions+` (#13)
+* fix(ci): bump a2ml/k9-validate-action pins to canonical (standards#85)
+(#7)
+* fix(ci): sync hypatia-scan.yml to canonical (kill cd-scanner build
+drift) (#6)
+* fix(ci): adopt canonical hypatia-scan.yml (env.HOME/scanner-layout +
+Comment-step gate) (#5)
+* fix(p0): resolve all 5 P0 release blockers
+* fix: set correct Groove capability type (was: custom)
+* fix: replace String.to_atom with String.to_existing_atom
+* fix(scorecard): enforce granular permissions and add fuzzing
+placeholder
+* fix(ci): Resolve workflow-linter self-matching and metadata issues
+* fix: global AGPL-3.0-or-later → PMPL-1.0-or-later replacement
+
+==== Changed
+
+* perf(d-2): wire in-process loopback backend so proxy-200 scenario
+measures real dial-and-read (#14)
+* refactor: migrate 6SCM → 6A2 (.scm → .a2ml format)
+
+==== Documentation
+
+* docs: record tech-debt audit findings (2026-05-26) (#16)
+* docs: substantive CRG C annotation (EXPLAINME.adoc)
+* docs: add TEST-NEEDS.md and/or PROOF-NEEDS.md from audit
+* docs: add comprehensive v2.0 roadmap for irresistible gateway
+* docs: add CONTRIBUTING.md
+* docs: add checkpoint files for state tracking
+
+==== CI
+
+* ci: redistribute concurrency-cancel guard to read-only check workflows
+(#9)
+* ci: bump actions/upload-artifact SHA to current v4 (#4)
+* ci: SHA-pin hyperpolymath validate-actions in dogfood-gate
+* ci: wire hypatia-scan.yml to query own Dependabot 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
+https://github.com/hyperpolymath/standards/blob/main/templates/cliff.toml[`+cliff.toml+`]
+— this is one-shot mechanical work.
+
+'''''