refactor: declare report-failure-as-issue in source .md files, drop Python inject script

> [!WARNING]
> E003: Cannot create pull request with more than 100 files (received 177). To increase the limit, set `max-patch-files: 177` (or higher) under `safe-outputs.create-pull-request` in your workflow frontmatter.

The pull request could not be created because the patch contains more files than the configured limit.

To increase the limit, add `max-patch-files` to your workflow frontmatter:

```yaml
safe-outputs:
create-pull-request:
max-patch-files: 177 # adjust as needed
```

Start by locating the Python inject script and the source .md files referenced in the title; the issue body only shows a workflow patch-file-limit warning. Determine how the report-failure-as-issue declaration is currently injected, then verify that source .md files declare it directly and the Python injection script is no longer needed.

Written by the indexing model from the issue text.