feat: generate Conjure color palette

apps.go

@@ -40,6 +40,9 @@ func applyApps(zedSource string) error {
 	if err := writeHerdrTheme(colors, ui, syntax); err != nil {
 		return err
 	}
+	if err := writeConjureTheme(colors, ui); err != nil {
+		return err
+	}
 	return writeZedTheme(zedSource)
 }
 
@@ -186,6 +189,29 @@ func semanticTheme(colors, ui, syntax map[string]string) (map[string]string, map
 	return omp, herdr
 }
 
+func writeConjureTheme(colors, ui map[string]string) error {
+	mapping := map[string]string{
+		"background":    pick(ui, "global.background.normal", colors, "base00"),
+		"text":          pick(ui, "global.foreground.normal", colors, "base05"),
+		"secondaryText": pick(ui, "global.foreground.dark", colors, "base04"),
+		"accent":        pick(ui, "accent.normal", colors, "base0D"),
+		"glow":          pick(ui, "status.error", colors, "base08"),
+		"keyBackground": pick(ui, "chrome.background.normal", colors, "base01"),
+		"error":         pick(ui, "status.error", colors, "base08"),
+	}
+	validColor := regexp.MustCompile(`^#[0-9a-fA-F]{6}$`)
+	for key, value := range mapping {
+		if !validColor.MatchString(value) {
+			return fmt.Errorf("invalid Conjure color %s: %q", key, value)
+		}
+	}
+	configHome := os.Getenv("XDG_CONFIG_HOME")
+	if !filepath.IsAbs(configHome) {
+		configHome = filepath.Join(homeDir(), ".config")
+	}
+	return writeJSON(filepath.Join(configHome, "conjure", "theme.json"), map[string]any{"colors": mapping})
+}
+
 func writeOMPTheme(colors, ui, syntax map[string]string) error {
 	semantic, _ := semanticTheme(colors, ui, syntax)
 	theme := map[string]any{