feat(ui): redesign GeoIntel as Atlas Workbench

docs/CODEX_EXECUTION_LOG.md

@@ -10819,3 +10819,45 @@ Decision:
 
 - RC-11 is complete subject only to binding the accepted final commit and
   immutable image in the signed/checksummed package. No RC-12 phase is used.
+
+## 2026-07-19 - Stitch-guided complete Atlas Workbench redesign
+
+Implemented:
+
+- Created the private Stitch project `GeoIntel Complete Workbench Redesign`
+  and the `GeoIntel Atlas Workbench` design system.
+- Generated production references for the Map Explorer, Sources catalog and
+  local AI Questions workspaces.
+- Rebuilt the application shell so the brand lives in one compact navigation
+  rail and the active work context lives in one 56-pixel top bar.
+- Added Lucide icons for the eight workspace destinations and removed the
+  duplicate command navigation.
+- Restyled Map, Sources, AI Questions, Quality, Image Analysis, Downloads,
+  Status and Administration under one restrained token system.
+- Restored the desktop map to a theme/map/insight row, allowed the map to
+  absorb ultrawide width and bounded the mobile theme list.
+- Replaced the old `visual-polish.css` layer with the documented
+  `atlas-workbench.css` implementation.
+
+Validated during implementation:
+
+- the complete readiness gate passed: 1,052 backend tests, 22 frontend tests,
+  frontend TypeScript typecheck, the production build and Alembic head
+  `202607160001`;
+- the browser UX audit passed at 390x844, 1366x768 and 2560x1080, including
+  accessible control names, loading states, keyboard tabs, the advanced
+  coverage flow, zero horizontal overflow, zero console errors and zero failed
+  API requests;
+- all seven Belgium/North Sea release journeys passed against the live backend
+  through the redesigned frontend;
+- browser review passed at 1280x720, 3440x1200 and 390x844 with no horizontal
+  document overflow or clipped button/select text;
+- Map, Sources, AI Questions, Quality, Image Analysis, Downloads, Status and
+  Administration were each reviewed against live backend data.
+
+Behavior preservation:
+
+- No API contract, migration, database model, provider behavior, GIS
+  calculation, model runtime or persistence flow changed.
+- Existing map selection, source loading, local Ollama, QA, analysis and
+  download actions remain wired through their original hooks and services.