From 3581c7d1c05eb514aa5462b1142605541fb64d9e Mon Sep 17 00:00:00 2001
From: Craig Jennings <c@cjennings.net>
Date: Thu, 2 Jul 2026 23:40:16 -0400
Subject: feat(theme-studio): inline height control on the exposed face rows

A new size column in the UI and package tables carries one numeric field plus an abs/rel toggle, exposed per the editable-height spec: chrome faces (mode-line family, line-number family, and header-line/tab-bar/tab-line when they arrive) default to absolute 1/10pt entry with a computed pt hint; the seeded heading faces (org-level-*, document title/info, agenda structure/dates, shr headings, and friends) default to a relative multiplier. Any other face carrying a live height exposes the control dynamically; the long tail gets none.

Absolute entry takes a positive integer only; relative entry clamps into the 0.1-2.0 range the old field used; garbage never reaches the model. The toggle writes heightMode explicitly and clears the number on a flip, since 130 tenth-points and 1.3x mean different things. The kind-unaware height field in the row expander is retired, and a non-default height now marks the size cell instead of the expander toggle.

The seeded set is named statically in app-core.js because the per-row default comes from the captured Emacs snapshot, which carries no heights for those faces. The #preview screenshot hash now accepts @ui/@code view keys so the harness can shoot the UI table.
---
 scripts/theme-studio/theme-studio.template.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'scripts/theme-studio/theme-studio.template.html')

diff --git a/scripts/theme-studio/theme-studio.template.html b/scripts/theme-studio/theme-studio.template.html
index 79aaaa19..da2d1464 100644
--- a/scripts/theme-studio/theme-studio.template.html
+++ b/scripts/theme-studio/theme-studio.template.html
@@ -75,7 +75,7 @@ STYLES_CSS</style>
 <div class="cols stretch">
  <section class="pane">
   <div class="legctl"><button id="uilocktoggle" class="fbtn" onclick="toggleAllLocks('ui')" title="lock or unlock every UI face row">lock all</button><button id="uiexpandall" class="fbtn" onclick="toggleAllExpanded('uiexpandall')" title="expand or collapse every row's detail">&#9654; expand all</button><button class="fbtn" onclick="resetUnlockedUI()" title="reset to captured defaults, preserving locked rows">&#8635; reset</button><button class="fbtn" onclick="clearUnlockedUI()" title="erase, preserving locked rows">erase</button></div>
-  <table class="leg" id="uitable"><thead><tr><th title="lock a decided face"></th><th onclick="srtTable('uibody',1)">face &#9651;</th><th onclick="srtTable('uibody',2)" title="foreground">fg &#9651;</th><th onclick="srtTable('uibody',3)" title="background">bg &#9651;</th><th>style</th><th title="face :box (border)">box</th><th onclick="srtTable('uibody',6)" title="WCAG contrast: this face's foreground on its background (or the ground)">contrast &#9651;</th><th>preview</th></tr></thead><tbody id="uibody"></tbody></table>
+  <table class="leg" id="uitable"><thead><tr><th title="lock a decided face"></th><th onclick="srtTable('uibody',1)">face &#9651;</th><th onclick="srtTable('uibody',2)" title="foreground">fg &#9651;</th><th onclick="srtTable('uibody',3)" title="background">bg &#9651;</th><th>style</th><th title="face :box (border)">box</th><th onclick="srtTable('uibody',6)" title="WCAG contrast: this face's foreground on its background (or the ground)">contrast &#9651;</th><th title="face :height — absolute 1/10pt for chrome, relative multiplier for headings; only chrome and seeded faces expose it">size</th><th>preview</th></tr></thead><tbody id="uibody"></tbody></table>
  </section>
  <section class="pane grow" style="display:flex;flex-direction:column">
   <div class="langbar"><label style="color:#b4b1a2">live buffer preview</label></div>
@@ -92,7 +92,7 @@ STYLES_CSS</style>
 </div>
 <div class="cols stretch">
  <section class="pane">
-  <table class="leg" id="pkgtable"><thead><tr><th title="lock a decided face"></th><th onclick="srtTable('pkgbody',1)">face &#9651;</th><th onclick="srtTable('pkgbody',2)">fg &#9651;</th><th onclick="srtTable('pkgbody',3)">bg &#9651;</th><th>style</th><th title="face :box (border)">box</th><th onclick="srtTable('pkgbody',6)">contrast &#9651;</th></tr></thead><tbody id="pkgbody"></tbody></table>
+  <table class="leg" id="pkgtable"><thead><tr><th title="lock a decided face"></th><th onclick="srtTable('pkgbody',1)">face &#9651;</th><th onclick="srtTable('pkgbody',2)">fg &#9651;</th><th onclick="srtTable('pkgbody',3)">bg &#9651;</th><th>style</th><th title="face :box (border)">box</th><th onclick="srtTable('pkgbody',6)">contrast &#9651;</th><th title="face :height — absolute 1/10pt for chrome, relative multiplier for headings; only chrome and seeded faces expose it">size</th></tr></thead><tbody id="pkgbody"></tbody></table>
  </section>
  <section class="pane grow" style="display:flex;flex-direction:column">
   <div class="langbar"><label style="color:#b4b1a2">preview: </label><button id="pkgprevprev" class="viewnav" title="previous size" onclick="stepPreviewPane(-1)">&lsaquo;</button><select id="pkgprevsel" class="chip navsel" style="width:auto;font:bold 10pt monospace"></select><button id="pkgprevnext" class="viewnav" title="next size" onclick="stepPreviewPane(1)">&rsaquo;</button></div>
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