Fonts: carry uploaded faces through export/import + embed in SVG export

docs/IMPLEMENTATION-PLAN.md

@@ -500,21 +500,6 @@ surfaces.
 
 ---
 
-## Open divergences (spec ↔ code)
-
-Surfaced by the full-docs consistency review — each needs a deliberate resolution,
-not a silent drift:
-
-- ~~**Storage-monitor scope.** Spec §02 frames the indicator as the **snippet** storage
-  budget specifically; the shipped estimate instead reported **whole-origin** usage/quota.~~
-  ✅ **Resolved** — rather than pick "snippet budget" vs. "whole-origin", the monitor was
-  redesigned into a **composition breakdown** (snippets · datasets · app) that drops the
-  unreliable browser quota entirely and shows real measured sizes. Spec §02 + §10 and
-  [arch 02 §6](architecture/02-persistence.md) updated; council resolution recorded in
-  [arch 10](architecture/10-interaction-and-feedback.md).
-
----
-
 ## Open items (carried from the exploration memos)
 
 Deferred features whose reasoning lives in `docs/exploration/`; pulled here so the backlog
@@ -522,13 +507,7 @@ is in the maintained plan, not the archive.
 
 **Chart theming** (`exploration/chart-theming-scope.md`):
 
-- ~~**User font upload** — FontFace-from-IndexedDB tier~~ ✅ (incl. variable-font weight
-  support; arch 05 → User-uploaded fonts). Font dependencies derive from the config, not a
-  theme field.
 - **Google Fonts opt-in CDN tier** — keyless catalog, opt-in only.
-- **SVG export font embedding** — embed face data so exported SVGs render off-app; carries
-  the **§08 export font-byte round-trip** too (shared base64 machinery — user fonts don't yet
-  travel with an exported workspace).
 - **Theme↔font pairing metadata** — a suggestion nicety.
 - **Built-in expressive theme preset gallery** — e.g. "Editorial", "Terminal", "Sketch".
 - **Color panel swatch reorder** — the remaining slice-4b control (reorder a materialized