docs: add beta skill convention to cloud-service and 6.5-lts CLAUDE.md

Document the three-mechanism convention for marking skills as beta
(frontmatter status field, [BETA] description prefix, body blockquote)
so coding agents working in these subtrees automatically pick it up.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: rombert

skills/aem/6.5-lts/CLAUDE.md

@@ -0,0 +1,21 @@
+# Conventions for this skill tree
+
+## Beta skills
+
+Skills that are not yet production-ready are marked with beta status using three mechanisms.
+All three must be applied together. To check whether a skill is beta, look for `status: beta`
+in its SKILL.md frontmatter.
+
+1. **Frontmatter `status: beta`** -- machine-readable field for tooling
+2. **`[BETA]` prefix in `description`** -- visible to the LLM during skill selection,
+   followed by a caveat line: "This skill is in beta. Verify all outputs before
+   applying them to production projects."
+3. **Blockquote in body** -- visible to the LLM during skill execution:
+   ```
+   > **Beta Skill**: This skill is in beta and under active development.
+   > Results should be reviewed carefully before use in production.
+   > Report issues at https://github.com/adobe/skills/issues
+   ```
+
+When creating or modifying skills, preserve these markers. Do not remove beta
+status without explicit instruction.

skills/aem/cloud-service/CLAUDE.md

@@ -0,0 +1,21 @@
+# Conventions for this skill tree
+
+## Beta skills
+
+Skills that are not yet production-ready are marked with beta status using three mechanisms.
+All three must be applied together. To check whether a skill is beta, look for `status: beta`
+in its SKILL.md frontmatter.
+
+1. **Frontmatter `status: beta`** -- machine-readable field for tooling
+2. **`[BETA]` prefix in `description`** -- visible to the LLM during skill selection,
+   followed by a caveat line: "This skill is in beta. Verify all outputs before
+   applying them to production projects."
+3. **Blockquote in body** -- visible to the LLM during skill execution:
+   ```
+   > **Beta Skill**: This skill is in beta and under active development.
+   > Results should be reviewed carefully before use in production.
+   > Report issues at https://github.com/adobe/skills/issues
+   ```
+
+When creating or modifying skills, preserve these markers. Do not remove beta
+status without explicit instruction.