Add AI documentation skills

.ai/skills/cmba-historical-bylaws/references/source-map.md

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+# Approved Historical Sources
+
+Use only these refs when answering historical CMBA constitution/bylaws questions.
+
+## Whitelist
+
+- `1e16926c5f76989d8821dc3f2b0df0c1c500e8e9`
+  - Commit date: `2021-11-09`
+  - Commit subject: `initial commit, 2016 constitution and bylaws`
+  - Historical meaning: imported 2016 constitution/bylaws text
+  - Content path: `content`
+- `refs/tags/2022-01-09`
+  - Content path: `src/cmba-bylaws.md`
+- `refs/tags/2023`
+  - Content path: `src/cmba-bylaws.md`
+- `refs/tags/2024`
+  - Content path: `src/cmba-bylaws.md`
+
+## Non-authoritative refs
+
+Do not use these as historical authority:
+
+- `draft*`
+- `rc*`
+- `v2026*`
+- `v2024`
+
+If a user asks about one of those refs, explain that they are draft or test-era refs and not approved for historical citation.
+
+## Useful commands
+
+Read a full version:
+
+```bash
+git show refs/tags/2024:src/cmba-bylaws.md
+git show refs/tags/2023:src/cmba-bylaws.md
+git show refs/tags/2022-01-09:src/cmba-bylaws.md
+git show 1e16926c5f76989d8821dc3f2b0df0c1c500e8e9:content
+```
+
+Compare approved versions:
+
+```bash
+git diff --word-diff=color refs/tags/2023 refs/tags/2024 -- src/cmba-bylaws.md
+git diff --word-diff=color refs/tags/2022-01-09 refs/tags/2023 -- src/cmba-bylaws.md
+```
+
+When comparing the imported 2016 text to later tagged versions, diff the extracted file contents rather than assuming the path is the same across refs.