Mirror content layout with text direction; admin stays LTR

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2026-09-03 20:01:23 +00:00
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@@ -19,8 +19,8 @@ Pagerite is a single-user CMS/blog. This document records the initial high-level
- Content is written in **Markdown** with powerful extensions (tables, footnotes, code highlighting, etc.).
- **Embedded HTML is passed through unfiltered**, including inline scripts and other dynamic content the author wants to post. This is safe by the single-trusted-author assumption above.
- Renderer: **markdown-it-py** with mdit-py-plugins (footnotes, definition lists, task lists, brace-attributes, admonitions and `::: name` containers — generic `<div class="name">` wrappers (the name may be followed by brace attributes: `::: aside {.right}`), of which `::: aside` floats as a muted side box and `{.margin}` / `::: margin` marks any block a margin note — on all but phone widths they are taken out of flow into the side zone at the article's left (the region the nav sidebar overlays, or the sidebar's own track when the layout reserves one) and the text never moves — and `::: nocols` opts its section out of column layout; tables and strikethrough from the default preset), GitHub-style alerts (`> [!NOTE]` / TIP / IMPORTANT / WARNING / CAUTION, rendered in the admonition callout styling), with `html=True` for raw passthrough, `typographer=True` for SmartyPants-style replacements in body text (curly quotes, `--` / `---` → en / em dashes, `...` → ellipsis, `(c)` → ©, etc.), and `breaks=True` so single line breaks inside paragraphs become `<br>` — including inside blockquotes, where every newline is kept and a blank `>` line starts a new paragraph. Code spans/blocks and raw HTML are left untouched. Fenced code blocks are highlighted server-side with **Pygments** (`nowrap` spans styled by `/_assets/pygments-*.css`, which maps every token class onto the `--code-*` variables; the base stylesheet defines light and dark palette sets resolved via `light-dark()`, so each theme gets the set matching its `color-scheme` and may only retint `--code-bg` to keep the well in the page's color family); a JS copy button appears on hover. Should this prove limiting, we implement our own renderer on top of html5tagger, which we already use for all HTML generation.
- **Files are content-addressed.** Uploads (`PUT /_api/files/{filename}`) are stored on disk (`<hostname>/files/`, RAM-cached uncompressed + zstd) by content hash — blake3, first 6 bytes hex + original extension — and served immutable from `/_f/…`. Raster images (not GIF) and SVGs (rasterized) are recompressed via mediapreview: the original is kept as `{hash}.orig{ext}` (internal only, never served — it may carry EXIF data; SVG originals stay servable as `{hash}.svg`) while pages link the extension-less `/_f/{hash}` and the server picks from the derivatives (`{hash}.avif` / `{hash}.webp` / `{hash}.jpg`) by Accept header — a format only when listed explicitly (`image/avif` → AVIF, `image/webp` → WebP, otherwise JPEG), with `vary: accept`; an explicit extension in the URL pins the format. Absolute URLs that survive page renames and dedupe identical content; pages no longer own files. An image standing alone in its paragraph becomes a block `<figure>` — with `<figcaption>` when it has a title; images inline with text and raw `<img>` HTML stay plain inline images. Positioning is by attribute classes: `![alt](/_f/… "Caption"){.right}``{.right}`, `{.left}` float at 30% of the text column (the caption wraps within it; an explicit `width=300` makes the figure shrink-wrap the image instead), `{.margin}` makes it a margin note, placed in the side zone left of the text on all but phone widths, `{.wide}` goes full bleed (viewport edge to edge, or up to the docked editor; the sidebar stacks on top of it); plain attributes like `width=300` work too. The same brace syntax on a block's last line (no blank line between) applies to the whole block: a paragraph ending with `{.wide}` becomes a full-width element that breaks out of the column layout, and space-separated at the end of a text line (`some text {.small}`) the braces likewise belong to the block — a space is what keeps them off an image or link ending the line, which keep their own directly-attached attrs; text size classes `{.small}` / `{.large}` / `{.huge}` (em-based) work on any block; written on the line after a block it applies to that preceding block — this is how headings, `::: containers` and code fences take classes (a wide code fence goes full bleed like a wide figure). Headings (h1/h2) clear floats, so images never overflow into the next section.
- Renderer: **markdown-it-py** with mdit-py-plugins (footnotes, definition lists, task lists, brace-attributes, admonitions and `::: name` containers — generic `<div class="name">` wrappers (the name may be followed by brace attributes: `::: aside {.right}`), of which `::: aside` floats as a muted side box and `{.margin}` / `::: margin` marks any block a margin note — on all but phone widths they are taken out of flow into the side zone at the article's start edge (left in LTR, right in RTL — the region the nav sidebar overlays, or the sidebar's own track when the layout reserves one) and the text never moves — and `::: nocols` opts its section out of column layout; tables and strikethrough from the default preset), GitHub-style alerts (`> [!NOTE]` / TIP / IMPORTANT / WARNING / CAUTION, rendered in the admonition callout styling), with `html=True` for raw passthrough, `typographer=True` for SmartyPants-style replacements in body text (curly quotes, `--` / `---` → en / em dashes, `...` → ellipsis, `(c)` → ©, etc.), and `breaks=True` so single line breaks inside paragraphs become `<br>` — including inside blockquotes, where every newline is kept and a blank `>` line starts a new paragraph. Code spans/blocks and raw HTML are left untouched. Fenced code blocks are highlighted server-side with **Pygments** (`nowrap` spans styled by `/_assets/pygments-*.css`, which maps every token class onto the `--code-*` variables; the base stylesheet defines light and dark palette sets resolved via `light-dark()`, so each theme gets the set matching its `color-scheme` and may only retint `--code-bg` to keep the well in the page's color family); a JS copy button appears on hover. Should this prove limiting, we implement our own renderer on top of html5tagger, which we already use for all HTML generation.
- **Files are content-addressed.** Uploads (`PUT /_api/files/{filename}`) are stored on disk (`<hostname>/files/`, RAM-cached uncompressed + zstd) by content hash — blake3, first 6 bytes hex + original extension — and served immutable from `/_f/…`. Raster images (not GIF) and SVGs (rasterized) are recompressed via mediapreview: the original is kept as `{hash}.orig{ext}` (internal only, never served — it may carry EXIF data; SVG originals stay servable as `{hash}.svg`) while pages link the extension-less `/_f/{hash}` and the server picks from the derivatives (`{hash}.avif` / `{hash}.webp` / `{hash}.jpg`) by Accept header — a format only when listed explicitly (`image/avif` → AVIF, `image/webp` → WebP, otherwise JPEG), with `vary: accept`; an explicit extension in the URL pins the format. Absolute URLs that survive page renames and dedupe identical content; pages no longer own files. An image standing alone in its paragraph becomes a block `<figure>` — with `<figcaption>` when it has a title; images inline with text and raw `<img>` HTML stay plain inline images. Positioning is by attribute classes: `![alt](/_f/… "Caption"){.right}``{.right}`, `{.left}` float at 30% of the text column, to its end/start edge following the text direction (the caption wraps within it; an explicit `width=300` makes the figure shrink-wrap the image instead), `{.margin}` makes it a margin note, placed in the side zone at the text's start edge on all but phone widths, `{.wide}` goes full bleed (viewport edge to edge, or up to the docked editor; the sidebar stacks on top of it); plain attributes like `width=300` work too. The same brace syntax on a block's last line (no blank line between) applies to the whole block: a paragraph ending with `{.wide}` becomes a full-width element that breaks out of the column layout, and space-separated at the end of a text line (`some text {.small}`) the braces likewise belong to the block — a space is what keeps them off an image or link ending the line, which keep their own directly-attached attrs; text size classes `{.small}` / `{.large}` / `{.huge}` (em-based) work on any block; written on the line after a block it applies to that preceding block — this is how headings, `::: containers` and code fences take classes (a wide code fence goes full bleed like a wide figure). Headings (h1/h2) clear floats, so images never overflow into the next section.
## Page structure and navigation