Merge branch 'master' of https://github.com/cswendrowski/intelligent-system-design-language.wiki
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Updated Theming (markdown)
Document the image field type and the generated CSS class reference Fields.md: add the `image` field (system-stored images + `primary: true` portrait binding that makes the token img placeable and auto-hides the drawer portrait). Theming.md: exhaustive, source-derived CSS class reference for sidecar/custom styling, with a cross-link from Fields.md. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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