docs(theme-studio): spec theme-driven nerd-icons colors + filetype legend

Drafts the spec to drop the runtime nerd-icons tint (so icon color is theme-driven) and add a theme-studio filetype-legend representation over the 34 nerd-icons-* color faces. Five decisions left open for review: color model, legend scope, seed source, config sequencing, and the dir advice. Filed the cross-linked task in todo.org.

1 files changed, 9 insertions, 0 deletions

diff --git a/todo.org b/todo.org
index 968671f77..b46bdb261 100644
--- a/todo.org
+++ b/todo.org
@@ -55,6 +55,15 @@ Tags are additive. For example, a small wrong-behavior fix can be
 =:bug:quick:=, and a feature that requires internal restructuring can be
 =:feature:refactor:=.
 * Emacs Open Work
+** TODO [#B] Theme-driven nerd-icons colors + filetype legend :feature:
+Drop the runtime nerd-icons tint so icon color is theme-driven, and add a
+theme-studio filetype-legend representation over the 34 =nerd-icons-*= color
+faces (which the inventory already exposes). Spec drafted, ready for spec-review:
+[[file:docs/specs/theme-studio-nerd-icons-colors-spec.org][theme-studio-nerd-icons-colors-spec.org]].
+Status draft with 5 open decisions for Craig (color model, legend scope, seed
+source, config sequencing, dir advice). Next: spec-review (Codex), then
+spec-response. vNext (=[#D]= when surfaced): extend the legend to buffer-mode and
+command/symbol categories; a "reset to nerd-icons native palette" button.
 ** DONE [#B] ai-term keybinding home :feature:
 CLOSED: [2026-06-23 Tue]
 Done 2026-06-23 (commit be772bc0): family moved to C-; a (a toggle, s select/launch, n next, k kill), swap also on M-SPC, F9 family retired, jumper's M-SPC binding removed (rehome pending). cj/ai-term-next now opens the picker when no agent is running instead of erroring. Bindings verified live in the daemon; Craig's hands-on check is filed under Manual testing and validation.