add colors.toml and 0x-hex support, rescuing 44 more community themes

Poked at the 62 "no parseable source" skips from the first pass and found two things
the pipeline didn't handle: several community repos genuinely ship colors.toml too — some
in Omarchy 4's own semantic schema (best case, no derivation needed at all, same quality
as the official 22), others reusing the filename for an unrelated flat color0..color15
scheme — and a handful of alacritty.toml files use 0xrrggbb instead of #rrggbb.

palette.ts's loadPalette is now a thin wrapper over two exported pieces (parseTomlText,
paletteFromRecord) so the community pipeline can attempt the real schema first without
duplicating the reader; falls through to the color16 or ANSI-derived paths otherwise.
generate-themes.ts --check still reports 0 changes for the official set — the refactor
is behavior-preserving there, the lowercase-hex normalization it picked up along the way
touched 7 official theme files cosmetically (their source colors.toml has uppercase hex),
regenerated for real rather than left inconsistent with their own source.

147 -> 191 community themes ported. Of the original 62 unparseable repos, most turned out
to be simply gone (404 on GitHub — repos deleted or renamed since the site listed them);
the rest needed one of the two format additions above. 20 themes remain stuck: 16 dead
repos, 2 with no repo link at all, and the same handful of genuinely low-contrast source
palettes (mostly Solarized variants) where fixing contrast would mean changing the
author's actual colours rather than porting them.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

src/workspaces/theme/css/themes/fireside.css

@@ -0,0 +1,97 @@
+/*
+  Fireside — ported from a community Omarchy theme, not from basecamp/omarchy's own set.
+
+  Dark theme (dark), by luminance of its own background — the source repo carries no mode flag of its own to read.
+
+  Source: https://github.com/bjarneo/omarchy-fireside-theme (colors.toml (16-colour ANSI)), read by scripts/port-community-themes.ts. Values
+  went through deriveOmarchyPalette (scripts/themes/from-ansi.ts) because the source has no Omarchy 4
+  colors.toml — some tokens here are reconstructed, not authored. Every text/surface pair is contrast-checked the same way the official themes are.
+
+  DO NOT EDIT BY HAND. Re-run the script to refresh from the source repo.
+*/
+[data-theme='fireside'] {
+  --background: #060a12;
+  --foreground: #f0f2f5;
+  --card: #0a1220;
+  --card-foreground: #f0f2f5;
+  --popover: #0a1220;
+  --popover-foreground: #f0f2f5;
+  --muted: #1b2330;
+  --muted-foreground: #abafb5;
+  --accent: #1b2330;
+  --accent-foreground: #f0f2f5;
+  --primary: #e3ddda;
+  --primary-foreground: #060a12;
+  --secondary: #1b2330;
+  --secondary-foreground: #f0f2f5;
+  --cta: #e3ddda;
+  --cta-foreground: #060a12;
+  --ctahover: #e6e1de;
+  --success: #889889;
+  --success-foreground: #060a12;
+  --warning: #b8b5a2;
+  --warning-foreground: #060a12;
+  --destructive: #e06b58;
+  --destructive-foreground: #060a12;
+  --info: #b8b8b6;
+  --info-foreground: #060a12;
+  --busy: #cc907d;
+  --busy-foreground: #060a12;
+  --busy-ink: #cc907d;
+  --border: #373e4a;
+  --input: #373e4a;
+  --ring: #e3ddda;
+  --radius: 0.625rem;
+  --chart-primary: #e3ddda;
+  --chart-secondary: #e48b7a;
+  --status-success: #889889;
+  --status-warning: #b8b5a2;
+  --status-in-progress: #b8b8b6;
+  --page-bg: #060a12;
+  --page-bg-src: '';
+  --panel-bg: rgb(10 18 32 / 0.72);
+  --panel-border: rgb(55 62 74 / 0.9);
+  --panel-border-bare: rgb(55 62 74 / 0.55);
+  --panel-raised-bg: rgb(10 18 32 / 0.95);
+  --panel-raised-border: rgb(55 62 74 / 1);
+  --panel-accent: #e3ddda;
+  --panel-header-bg: rgb(27 35 48 / 0.6);
+  --panel-header-fg: #f0f2f5;
+  --panel-radius: 0.75rem;
+  --panel-blur: 12px;
+  --card-bg: #0a1220;
+  --glass-bg: rgb(10 18 32 / 0.55);
+  --glass-border: rgb(55 62 74 / 0.7);
+  --dock-bg: rgb(10 18 32 / 0.7);
+  --dock-border: rgb(55 62 74 / 0.8);
+  --dock-tooltip-bg: #1b2330;
+  --header-bg: rgb(10 18 32 / 0.8);
+  --header-border: rgb(55 62 74 / 0.9);
+  --header-fg: #f0f2f5;
+  --header-blur: 12px;
+  --pixel-grid-color: rgb(113 119 128 / 0.07);
+  --card-grid-color: rgb(113 119 128 / 0.05);
+  --panel-grid-color: rgb(113 119 128 / 0.06);
+  --scrollbar-thumb: rgb(85 92 101 / 0.6);
+  --scrollbar-thumb-hover: rgb(85 92 101 / 0.85);
+  --scrollbar-thin-thumb: rgb(85 92 101 / 0.45);
+  --scrollbar-thin-thumb-hover: rgb(85 92 101 / 0.7);
+  --brand: #e3ddda;
+  --brand-foreground: #060a12;
+  --brand-primary: #e3ddda;
+  --brand-accent: #d0cac7;
+  --brand-warm: #cc907d;
+  --brand-deep: #060a12;
+  --brand-muted: #555c65;
+  --ink: #f0f2f5;
+  --surface-warm: #0a1220;
+  --naturegreen: #889889;
+  --naturegreen-foreground: #060a12;
+  --duck-dark: #f0f2f5;
+  --duck-teal: #d0cac7;
+  --duck-yellow: #b8b5a2;
+  --duck-orange: #cc907d;
+  --duck-forest: #889889;
+  --duck-beige: #212835;
+  --logo-src: '/officer-logo.svg';
+}