fix: issue #7 with broken macro renderings for photo archive and tag cloud

lib/bds/desktop/shell_live/gallery_import.ex

@@ -167,18 +167,14 @@ defmodule BDS.Desktop.ShellLive.GalleryImport do
          translate_targets,
          parent
        ) do
+    # Linking is mandatory and MUST happen regardless of AI availability
+    # (airplane mode / no local model), mirroring the drag-drop chain and the
+    # old app: import -> link -> (optional) AI enrichment. Gating the link
+    # behind AI is what left galleries empty.
     with {:ok, media} <- Media.import_media(%{project_id: project_id, source_path: path}),
          true <- String.starts_with?(media.mime_type || "", "image/"),
-         {:ok, result} <- AI.analyze_image(media.id, language: language),
-         {:ok, _updated} <-
-           Media.update_media(media.id, %{
-             title: result.title,
-             alt: result.alt,
-             caption: result.caption
-           }),
          {:ok, _link} <- Media.link_media_to_post(media.id, post_id) do
-      translate_media_translations(media.id, translate_targets)
+      title = enrich_media(media, language, translate_targets)
-      title = result.title || media.original_name
       send(parent, {:add_image_processed, title})
     else
       false ->
@@ -190,6 +186,32 @@ defmodule BDS.Desktop.ShellLive.GalleryImport do
     end
   end
 
+  # Best-effort AI enrichment: analysis + metadata update + translations. Any
+  # failure (offline, no model) is logged and never unlinks the image. Returns
+  # the display title used for progress reporting.
+  defp enrich_media(media, language, translate_targets) do
+    case AI.analyze_image(media.id, language: language) do
+      {:ok, result} ->
+        case Media.update_media(media.id, %{
+               title: result.title,
+               alt: result.alt,
+               caption: result.caption
+             }) do
+          {:ok, _updated} ->
+            translate_media_translations(media.id, translate_targets)
+            result.title || media.original_name
+
+          {:error, reason} ->
+            Logger.warning("Media metadata update failed for #{media.id}: #{inspect(reason)}")
+            media.original_name
+        end
+
+      {:error, reason} ->
+        Logger.warning("AI image analysis skipped for #{media.id}: #{inspect(reason)}")
+        media.original_name
+    end
+  end
+
   defp translate_media_translations(_media_id, []), do: :ok
 
   defp translate_media_translations(media_id, [target | rest]) do

lib/bds/maintenance/diff_reports.ex

@@ -20,6 +20,7 @@ defmodule BDS.Maintenance.DiffReports do
     ]
 
   alias BDS.DocumentFields
+  alias BDS.Media.Linking
   alias BDS.Media.Media
   alias BDS.Media.Translation, as: MediaTranslation
   alias BDS.Metadata
@@ -163,7 +164,12 @@ defmodule BDS.Maintenance.DiffReports do
               diff_field("language", media.language, Map.get(fields, "language")),
               diff_field("created_at", media.created_at, DocumentFields.get(fields, "createdAt")),
               diff_field("updated_at", media.updated_at, DocumentFields.get(fields, "updatedAt")),
-              diff_field("tags", media.tags, Map.get(fields, "tags", []))
+              diff_field("tags", media.tags, Map.get(fields, "tags", [])),
+              diff_field(
+                "linked_post_ids",
+                Linking.linked_post_ids(media.id),
+                DocumentFields.get(fields, "linkedPostIds", [])
+              )
             ]
             |> Enum.reject(&is_nil/1)
 

lib/bds/media/linking.ex

@@ -114,6 +114,53 @@ defmodule BDS.Media.Linking do
     )
   end
 
+  @doc """
+  Restore `PostMedia` links for `media_id` from the list of `post_ids` persisted
+  in the media sidecar (`linkedPostIds`).
+
+  Used by rebuild-from-filesystem so gallery associations survive a rebuild (and
+  so projects whose link data lives only in sidecars still populate galleries).
+  Idempotent: skips links that already exist and post ids that are not present
+  in the database. Does not re-write sidecars.
+  """
+  @spec restore_post_links(String.t(), String.t(), [String.t()] | term()) :: :ok
+  def restore_post_links(project_id, media_id, post_ids)
+      when is_binary(project_id) and is_binary(media_id) and is_list(post_ids) do
+    post_ids
+    |> Enum.filter(&is_binary/1)
+    |> Enum.uniq()
+    |> Enum.each(fn post_id -> ensure_link(project_id, media_id, post_id) end)
+  end
+
+  def restore_post_links(_project_id, _media_id, _post_ids), do: :ok
+
+  defp ensure_link(project_id, media_id, post_id) do
+    already_linked? =
+      Repo.exists?(
+        from pm in PostMedia,
+          where: pm.media_id == ^media_id and pm.post_id == ^post_id
+      )
+
+    post_exists? = Repo.exists?(from p in BDS.Posts.Post, where: p.id == ^post_id)
+
+    if not already_linked? and post_exists? do
+      %PostMedia{}
+      |> PostMedia.changeset(%{
+        id: Ecto.UUID.generate(),
+        project_id: project_id,
+        post_id: post_id,
+        media_id: media_id,
+        sort_order: next_sort_order(media_id),
+        created_at: Persistence.now_ms()
+      })
+      |> Repo.insert!()
+
+      :ok
+    else
+      :ok
+    end
+  end
+
   defp log_sidecar_error(:ok, _media_id), do: :ok
 
   defp log_sidecar_error({:error, reason}, media_id) do

lib/bds/media/sidecars.ex

@@ -132,6 +132,12 @@ defmodule BDS.Media.Sidecars do
       |> Media.changeset(attrs)
       |> Repo.insert_or_update!()
 
+    Linking.restore_post_links(
+      project.id,
+      media.id,
+      DocumentFields.get(sidecar.fields, "linkedPostIds", [])
+    )
+
     if Keyword.get(opts, :sync_search, true) do
       :ok = Search.sync_media(media)
     end

lib/bds/rendering/filters.ex

@@ -335,27 +335,40 @@ defmodule BDS.Rendering.Filters do
     language = macro_language(context)
     project_id = project_id_from_context(context)
 
-    {words_json, width, height} =
+    words_json = if project_id, do: build_tag_cloud_data(project_id), else: nil
-      if project_id do
-        build_tag_cloud_data(project_id)
-      else
-        {nil, 800, 400}
-      end
 
     render_macro_template(
       "macros/tag-cloud",
       %{
-        "orientation" => Map.get(params, "orientation", "horizontal"),
+        "orientation" => normalize_tag_cloud_orientation(Map.get(params, "orientation")),
         "words_json" => words_json,
-        "width" => Map.get(params, "width", width),
+        "width" => tag_cloud_dimension(Map.get(params, "width"), 320, 1600, 900),
-        "height" => Map.get(params, "height", height),
+        "height" => tag_cloud_dimension(Map.get(params, "height"), 180, 900, 420),
-        "aria_label" => "Tag cloud",
+        "aria_label" => BDS.Gettext.lgettext(language, "render", "Tag cloud"),
         "empty_label" => BDS.Gettext.lgettext(language, "render", "No tags")
       },
       context
     )
   end
 
+  # Mirror the old app's normalizeTagCloudOrientation so `orientation=diagonal`
+  # (and the other aliases) map to the runtime's `mixed-diagonal`/`mixed-hv`
+  # rotation modes instead of silently falling back to horizontal.
+  defp normalize_tag_cloud_orientation(value) do
+    case value |> to_string() |> String.trim() |> String.downcase() do
+      v when v in ["mixed_hv", "mixed-hv", "hv", "horizontal_vertical"] -> "mixed-hv"
+      v when v in ["mixed_diagonal", "mixed-diagonal", "diagonal", "diag"] -> "mixed-diagonal"
+      _ -> "horizontal"
+    end
+  end
+
+  defp tag_cloud_dimension(value, min, max, default) do
+    case value |> to_string() |> Integer.parse() do
+      {n, _rest} when n >= min and n <= max -> n
+      _other -> default
+    end
+  end
+
   defp render_video_macro(kind, params, language, translation, context) do
     render_macro_template(
       "macros/#{kind}",
@@ -382,14 +395,16 @@ defmodule BDS.Rendering.Filters do
   end
 
   defp gallery_items(post_id) do
+    group_name = "gallery-#{post_id}"
+
     post_id
     |> linked_media_images()
     |> Enum.map(fn media ->
       %{
         "media_path" => "/#{media.file_path}",
-        "title" => media.title || media.original_name,
+        "title" => media.caption || media.title || media.original_name,
         "alt" => media.alt || media.title || media.original_name,
-        "group_name" => post_id
+        "group_name" => group_name
       }
     end)
   end
@@ -403,7 +418,7 @@ defmodule BDS.Rendering.Filters do
         on: pm.media_id == m.id,
         where: pm.post_id == ^post_id,
         where: like(m.mime_type, "image/%"),
-        order_by: [asc: pm.sort_order, asc: pm.media_id],
+        order_by: [desc: m.created_at, asc: m.id],
         select: m
     )
   end
@@ -505,6 +520,7 @@ defmodule BDS.Rendering.Filters do
         SELECT trim(je.value) AS tag, COUNT(*) AS cnt
         FROM posts, json_each(posts.tags) je
         WHERE posts.project_id = ?1
+          AND posts.status = 'published'
           AND trim(je.value) != ''
         GROUP BY tag
         ORDER BY cnt DESC, lower(tag) ASC
@@ -518,29 +534,66 @@ defmodule BDS.Rendering.Filters do
       end)
 
     if tag_entries == [] do
-      {nil, 0, 0}
+      nil
     else
-      max_count = Enum.map(tag_entries, & &1.count) |> Enum.max()
+      counts = Enum.map(tag_entries, & &1.count)
-      min_count = Enum.map(tag_entries, & &1.count) |> Enum.min()
+      max_count = Enum.max(counts)
-      range = max(max_count - min_count, 1)
+      min_count = Enum.min(counts)
 
       words =
         Enum.map(tag_entries, fn %{tag: tag, count: count, color: color} ->
-          size = 12.0 + (count - min_count) / range * 28.0
+          base = %{
-          %{"text" => tag, "size" => size, "color" => color || "var(--accent-color)"}
+            "text" => tag,
+            "size" => tag_cloud_font_size(count, min_count, max_count),
+            "count" => count,
+            "url" => "/tag/#{URI.encode(to_string(tag), &URI.char_unreserved?/1)}/"
+          }
+
+          if is_binary(color) and color != "", do: Map.put(base, "color", color), else: base
         end)
 
-      {Jason.encode!(words), 800, 400}
+      escape_html(Jason.encode!(words))
     end
   end
 
+  # Match the old app's tag-cloud sizing (14px..56px, integer point sizes) so the
+  # d3 word-cloud runtime lays tags out identically.
+  defp tag_cloud_font_size(_count, min_count, max_count) when max_count == min_count,
+    do: round((14 + 56) / 2)
+
+  defp tag_cloud_font_size(count, min_count, max_count),
+    do: round(14 + (count - min_count) / (max_count - min_count) * (56 - 14))
+
+  # The tag-cloud JSON is embedded in a double-quoted HTML data attribute, so it
+  # must be HTML-escaped (matching the old app) or the first `"` closes the
+  # attribute and the client-side JSON.parse silently fails.
+  defp escape_html(value) do
+    value
+    |> String.replace("&", "&amp;")
+    |> String.replace("<", "&lt;")
+    |> String.replace(">", "&gt;")
+    |> String.replace("\"", "&quot;")
+    |> String.replace("'", "&#39;")
+  end
+
   # ── Helpers ────────────────────────────────────────────────────────────────
 
   defp macro_language(context), do: Access.get(context, "language") || "en"
 
   defp project_id_from_context(context) do
+    context_private_project_id(context) ||
+      context_post_project_id(context) ||
+      project_id_from_post(context)
+  end
+
+  defp context_private_project_id(%Liquex.Context{private: private}) when is_map(private),
+    do: Map.get(private, :project_id)
+
+  defp context_private_project_id(_context), do: nil
+
+  defp context_post_project_id(context) do
     post = Access.get(context, "post") || %{}
-    post["project_id"] || Access.get(post, :project_id) || project_id_from_post(context)
+    post["project_id"] || Access.get(post, :project_id)
   end
 
   defp project_id_from_post(context) do

lib/bds/rendering/list_archive.ex

@@ -156,7 +156,7 @@ defmodule BDS.Rendering.ListArchive do
         id: MapUtils.attr(post, :id),
         slug: MapUtils.attr(post, :slug),
         title: MapUtils.attr(post, :title),
-        content: PostRendering.cached_post_content(ctx, raw_content, language),
+        content: PostRendering.cached_post_content(ctx, raw_content, language, post_id),
         raw_content: raw_content,
         excerpt: MapUtils.attr(post, :excerpt, record_value(post_record, :excerpt)),
         author: MapUtils.attr(post, :author, record_value(post_record, :author)),

lib/bds/rendering/metadata.ex

@@ -64,7 +64,7 @@ defmodule BDS.Rendering.Metadata do
   defp category_settings_for(_category_settings, _category), do: nil
 
   defp category_title(settings) when is_map(settings),
-    do: Map.get(settings, "title") || Map.get(settings, :title)
+    do: BDS.MapUtils.attr(settings, :title)
 
   defp category_title(_settings), do: nil
 

lib/bds/rendering/render_context.ex

@@ -89,7 +89,8 @@ defmodule BDS.Rendering.RenderContext do
           static_environment: %{},
           filter_module: Filters,
           file_system: file_system
-        ),
+        )
+        |> put_context_project_id(project_id),
       record_by_id: Map.merge(Map.new(translations, &{&1.id, &1}), post_by_id),
       incoming_links_by_post: incoming_links_by_post,
       outgoing_links_by_post: outgoing_links_by_post,
@@ -144,6 +145,13 @@ defmodule BDS.Rendering.RenderContext do
 
   ## --- internals -----------------------------------------------------------
 
+  # Stash the project id in the context's private map (not exposed to templates)
+  # so built-in macros (photo archive, tag cloud, gallery) can resolve their
+  # project-scoped data even when rendered outside a full page context.
+  defp put_context_project_id(%Liquex.Context{private: private} = context, project_id) do
+    %{context | private: Map.put(private, :project_id, project_id)}
+  end
+
   defp build_link_context_maps(project_id, post_by_id, main_language) do
     links =
       Repo.all(

lib/bds/rendering/template_selection.ex

@@ -223,10 +223,13 @@ defmodule BDS.Rendering.TemplateSelection do
   def template_render_context(project_id) do
     project = Projects.get_project!(project_id)
 
+    context =
       Liquex.Context.new(%{},
         static_environment: %{},
         filter_module: Filters,
         file_system: FileSystem.new(StarterTemplates.template_roots(project))
       )
+
+    %{context | private: Map.put(context.private, :project_id, project_id)}
   end
 end

specs/rendering.allium

@@ -71,19 +71,31 @@ surface BuiltinMacroSurface {
 
 rule ExpandBuiltinMacros {
     when: MacroEncountered(macro, language, post_id)
+    -- Project-scoped macros (photo_archive, tag_cloud) resolve the owning
+    -- project id from the render context (carried in the Liquid context's
+    -- private data), so they populate correctly even when content is
+    -- pre-rendered outside a full page context.
     -- Unknown macro names are left verbatim in the source.
     if macro.name = "youtube" or macro.name = "vimeo":
         -- Embeds video by `id`; localized default title when title param absent.
         ensures: MacroTemplateRendered(format("macros/{name}", name: macro.name))
     if macro.name = "gallery":
-        -- Image gallery from the post's linked image media (ordered by sort).
+        -- Image gallery from the post's linked image media (PostMedia links,
+        -- restored from media sidecars on rebuild). Linking on import is
+        -- independent of AI enrichment. Ordered newest-first (created_at desc);
+        -- lightbox group is "gallery-{post_id}"; title is caption|title|name.
         -- `columns` clamped to 1..6 (default 3). Empty when no post_id/images.
         ensures: MacroTemplateRendered("macros/gallery")
     if macro.name = "photo_archive":
         -- Month-grouped image archive for the project (optional year/month filter).
         ensures: MacroTemplateRendered("macros/photo-archive")
     if macro.name = "tag_cloud":
-        -- Weighted tag cloud from post tag counts; per-tag colours from Tag rows.
+        -- Weighted tag cloud from PUBLISHED post tag counts; per-tag colours
+        -- from Tag rows. Words carry {text, size, count, url}; the JSON is
+        -- HTML-escaped into the data-tag-cloud-words attribute so the client
+        -- runtime can JSON.parse it. `orientation` aliases normalize to
+        -- horizontal | mixed-hv | mixed-diagonal; width (320..1600, def 900)
+        -- and height (180..900, def 420) clamp to defaults when out of range.
         ensures: MacroTemplateRendered("macros/tag-cloud")
 }
 

test/bds/desktop/shell_live/gallery_import_test.exs

@@ -0,0 +1,57 @@
+defmodule BDS.Desktop.ShellLive.GalleryImportTest do
+  @moduledoc """
+  Guards the regression where gallery images were imported but never linked to
+  the post when AI analysis was unavailable (offline / no local model), leaving
+  galleries empty. Linking must happen regardless of AI, matching the old app.
+  """
+  use ExUnit.Case, async: false
+
+  import Ecto.Query
+
+  alias BDS.Desktop.ShellLive.GalleryImport
+  alias BDS.Posts.PostMedia
+  alias BDS.Repo
+
+  setup do
+    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Repo)
+    Ecto.Adapters.SQL.Sandbox.mode(Repo, {:shared, self()})
+    temp_dir = Path.join(System.tmp_dir!(), "bds-galimport-#{System.unique_integer([:positive])}")
+    File.mkdir_p!(temp_dir)
+    on_exit(fn -> File.rm_rf(temp_dir) end)
+
+    {:ok, project} = BDS.Projects.create_project(%{name: "GalImport", data_path: temp_dir})
+    {:ok, _} = BDS.Metadata.update_project_metadata(project.id, %{main_language: "en"})
+
+    {:ok, post} =
+      BDS.Posts.create_post(%{
+        project_id: project.id,
+        title: "Gallery Post",
+        content: "[[gallery]]",
+        language: "en"
+      })
+
+    %{project: project, post: post, temp_dir: temp_dir}
+  end
+
+  test "imports link every image to the post even without AI analysis", %{
+    project: project,
+    post: post,
+    temp_dir: temp_dir
+  } do
+    paths =
+      for i <- 1..3 do
+        path = Path.join(temp_dir, "img_#{i}.jpg")
+        File.write!(path, "fake jpeg #{i}")
+        path
+      end
+
+    GalleryImport.start(paths, project.id, post.id, "en", 2, self())
+
+    assert_received {:add_images_complete, 3}
+
+    link_count =
+      Repo.aggregate(from(pm in PostMedia, where: pm.post_id == ^post.id), :count)
+
+    assert link_count == 3
+  end
+end

test/bds/media/link_restore_test.exs

@@ -0,0 +1,72 @@
+defmodule BDS.Media.LinkRestoreTest do
+  @moduledoc """
+  Guards the regression where gallery associations (PostMedia links) were lost
+  on rebuild-from-filesystem: the media sidecar persists `linkedPostIds`, but
+  the rebuild never restored them, so galleries rendered empty afterwards.
+  """
+  use ExUnit.Case, async: false
+
+  import Ecto.Query
+
+  alias BDS.Media
+  alias BDS.Posts.PostMedia
+  alias BDS.Repo
+
+  setup do
+    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Repo)
+    Ecto.Adapters.SQL.Sandbox.mode(Repo, {:shared, self()})
+    temp_dir = Path.join(System.tmp_dir!(), "bds-linkrestore-#{System.unique_integer([:positive])}")
+    File.mkdir_p!(temp_dir)
+    on_exit(fn -> File.rm_rf(temp_dir) end)
+
+    {:ok, project} = BDS.Projects.create_project(%{name: "LinkRestore", data_path: temp_dir})
+    {:ok, _} = BDS.Metadata.update_project_metadata(project.id, %{main_language: "en"})
+
+    {:ok, post} =
+      BDS.Posts.create_post(%{
+        project_id: project.id,
+        title: "Gallery Post",
+        content: "[[gallery]]",
+        language: "en"
+      })
+
+    source = Path.join(temp_dir, "linked.jpg")
+    File.write!(source, "fake jpeg")
+    {:ok, media} = Media.import_media(%{project_id: project.id, source_path: source})
+    {:ok, _} = Media.link_media_to_post(media.id, post.id)
+
+    %{project: project, post: post, media: media}
+  end
+
+  defp link_count(post_id, media_id) do
+    Repo.aggregate(
+      from(pm in PostMedia, where: pm.post_id == ^post_id and pm.media_id == ^media_id),
+      :count
+    )
+  end
+
+  test "media rebuild-from-filesystem restores PostMedia links from the sidecar", %{
+    project: project,
+    post: post,
+    media: media
+  } do
+    assert link_count(post.id, media.id) == 1
+
+    # Simulate the DB losing gallery links (e.g. a prior rebuild).
+    Repo.delete_all(from pm in PostMedia, where: pm.media_id == ^media.id)
+    assert link_count(post.id, media.id) == 0
+
+    assert {:ok, _} = BDS.Media.rebuild_media_from_files(project.id)
+
+    assert link_count(post.id, media.id) == 1
+  end
+
+  test "restore is idempotent and does not duplicate existing links", %{
+    project: project,
+    post: post,
+    media: media
+  } do
+    assert {:ok, _} = BDS.Media.rebuild_media_from_files(project.id)
+    assert link_count(post.id, media.id) == 1
+  end
+end

test/bds/rendering/macro_rendering_test.exs

@@ -0,0 +1,176 @@
+defmodule BDS.Rendering.MacroRenderingTest do
+  @moduledoc """
+  End-to-end coverage for built-in macros through the *real* render pipeline
+  (`RenderContext.build/1`). These guard the regression where photo archive and
+  tag cloud rendered empty because the project id was never threaded into the
+  macro context, and where galleries rendered empty on list pages because the
+  post id was dropped.
+  """
+  use ExUnit.Case, async: false
+
+  alias BDS.Media
+  alias BDS.Rendering
+  alias BDS.Rendering.PostRendering
+  alias BDS.Rendering.RenderContext
+
+  setup do
+    :ok = Ecto.Adapters.SQL.Sandbox.checkout(BDS.Repo)
+    Ecto.Adapters.SQL.Sandbox.mode(BDS.Repo, {:shared, self()})
+
+    temp_dir = Path.join(System.tmp_dir!(), "bds-macros-#{System.unique_integer([:positive])}")
+    File.mkdir_p!(temp_dir)
+    on_exit(fn -> File.rm_rf(temp_dir) end)
+
+    {:ok, project} = BDS.Projects.create_project(%{name: "MacroBlog", data_path: temp_dir})
+    {:ok, _} = BDS.Metadata.update_project_metadata(project.id, %{main_language: "en"})
+
+    {:ok, post} =
+      BDS.Posts.create_post(%{
+        project_id: project.id,
+        title: "Macro Post",
+        content: "seed",
+        language: "en",
+        tags: ["elixir", "phoenix"]
+      })
+
+    source = Path.join(temp_dir, "macro_image.jpg")
+    File.write!(source, "fake jpeg")
+    {:ok, media} = Media.import_media(%{project_id: project.id, source_path: source})
+    {:ok, _} = Media.update_media(media.id, %{title: "Macro Image", alt: "Macro Alt"})
+    {:ok, _} = Media.link_media_to_post(media.id, post.id)
+
+    {:ok, _} = BDS.Posts.publish_post(post.id)
+
+    %{project: project, post: post}
+  end
+
+  test "photo archive and tag cloud resolve project data on single-post render", %{
+    project: project,
+    post: post
+  } do
+    ctx = RenderContext.build(project.id)
+
+    rendered =
+      PostRendering.cached_post_content(
+        ctx,
+        "[[photo_archive]]\n\n[[tag_cloud]]",
+        "en",
+        post.id
+      )
+
+    assert rendered =~ "photo-archive-item"
+    refute rendered =~ "photo-archive-empty"
+
+    assert rendered =~ "data-tag-cloud-words"
+    refute rendered =~ "tag-cloud-empty"
+
+    # The JSON is embedded in a double-quoted HTML attribute, so it must be
+    # HTML-escaped or the client-side JSON.parse silently fails (empty cloud).
+    assert rendered =~ """
+
+    words = extract_tag_cloud_words(rendered)
+    texts = Enum.map(words, &Map.get(&1, "text"))
+    assert "elixir" in texts
+    assert "phoenix" in texts
+
+    # Matches the old app's word shape so the d3 runtime can size/link tags.
+    for word <- words do
+      assert is_integer(word["count"])
+      assert word["size"] >= 14 and word["size"] <= 56
+      assert String.starts_with?(word["url"], "/tag/")
+    end
+  end
+
+  defp extract_tag_cloud_words(html) do
+    [_, raw] = Regex.run(~r/data-tag-cloud-words="([^"]*)"/, html)
+
+    raw
+    |> String.replace("&quot;", "\"")
+    |> String.replace("&amp;", "&")
+    |> String.replace("&lt;", "<")
+    |> String.replace("&gt;", ">")
+    |> String.replace("&#39;", "'")
+    |> Jason.decode!()
+  end
+
+  test "tag cloud orientation aliases normalize like the old app", %{
+    project: project,
+    post: post
+  } do
+    ctx = RenderContext.build(project.id)
+
+    render = fn source -> PostRendering.cached_post_content(ctx, source, "en", post.id) end
+
+    assert render.("[[tag_cloud orientation=diagonal]]") =~ ~s(data-orientation="mixed-diagonal")
+    assert render.("[[tag_cloud orientation=diag]]") =~ ~s(data-orientation="mixed-diagonal")
+
+    assert render.("[[tag_cloud orientation=mixed-diagonal]]") =~
+             ~s(data-orientation="mixed-diagonal")
+
+    assert render.("[[tag_cloud orientation=hv]]") =~ ~s(data-orientation="mixed-hv")
+    assert render.("[[tag_cloud orientation=mixed-hv]]") =~ ~s(data-orientation="mixed-hv")
+    assert render.("[[tag_cloud]]") =~ ~s(data-orientation="horizontal")
+    assert render.("[[tag_cloud orientation=bogus]]") =~ ~s(data-orientation="horizontal")
+  end
+
+  test "tag cloud clamps out-of-range width/height to defaults", %{project: project, post: post} do
+    ctx = RenderContext.build(project.id)
+
+    rendered =
+      PostRendering.cached_post_content(ctx, "[[tag_cloud width=99999 height=1]]", "en", post.id)
+
+    assert rendered =~ ~s(data-width="900")
+    assert rendered =~ ~s(data-height="420")
+  end
+
+  test "gallery resolves linked media on single-post render", %{project: project, post: post} do
+    ctx = RenderContext.build(project.id)
+
+    rendered = PostRendering.cached_post_content(ctx, "[[gallery]]", "en", post.id)
+
+    assert rendered =~ "gallery-item"
+    assert rendered =~ ~s(src="/media/)
+    assert rendered =~ "Macro Image"
+    refute rendered =~ "gallery-empty"
+  end
+
+  test "gallery resolves linked media on list-page render", %{project: project, post: post} do
+    posts = [
+      %{
+        id: post.id,
+        slug: post.slug,
+        title: post.title,
+        content: "[[gallery]]",
+        language: "en",
+        created_at: post.created_at,
+        updated_at: post.updated_at,
+        published_at: post.published_at,
+        tags: post.tags,
+        categories: post.categories,
+        href: "/2024/01/01/macro-post/"
+      }
+    ]
+
+    assert {:ok, rendered} =
+             Rendering.render_list_page(project.id, %{
+               language: "en",
+               page_title: "Archive",
+               posts: posts,
+               archive_context: %{kind: "core"},
+               pagination: %{
+                 current_page: 1,
+                 total_pages: 1,
+                 total_items: 1,
+                 items_per_page: 10,
+                 has_prev_page: false,
+                 prev_page_href: nil,
+                 has_next_page: false,
+                 next_page_href: nil
+               }
+             })
+
+    assert rendered =~ "gallery-item"
+    assert rendered =~ ~s(src="/media/)
+    refute rendered =~ "gallery-empty"
+  end
+end