Update unbloat-docs workflow to ignore code-generated frontmatter-full.md

[Copilot]

Problem

The unbloat-docs agentic workflow was not excluding the frontmatter-full.md file from its documentation cleanup process. This file is automatically generated from the JSON schema by scripts/generate-schema-docs.js (run during make agent-finish) and should not be manually edited or cleaned up by the workflow.

Solution

Updated the workflow to explicitly exclude frontmatter-full.md in two places:

1. File Discovery Command

Modified the find command to exclude the generated file:

# Before
find docs -name '*.md' -type f

# After
find docs -name '*.md' -type f ! -name 'frontmatter-full.md'

2. File Selection Criteria

Added an explicit exclusion list with documentation explaining why the file should be ignored:

**NEVER select these code-generated files**:
- `docs/src/content/docs/reference/frontmatter-full.md` - Auto-generated from JSON schema

Changes

• Updated .github/workflows/unbloat-docs.md with exclusion logic
• Recompiled to .github/workflows/unbloat-docs.lock.yml to reflect the changes
• Added clear documentation explaining the exclusion to guide the AI agent

This ensures the workflow will skip the code-generated file during documentation cleanup runs, preventing conflicts with the automated schema documentation generation process.

Original prompt

Update unbloat-docs agentic workflow to ignore frontmatter-full, it is code generated.

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