Initial TrueGrowth source import

openspec/changes/refactor-truegrowth-ui-system/design.md

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+## Context
+
+The app is a React/Vite/Nx desktop-style AI workbench with a large legacy Drawnix/opentu surface. Existing UI uses global SCSS tokens, TDesign compatibility overrides, workbench-specific SCSS, Lucide icons, and old tdesign icons.
+
+## Goals
+
+- Provide one local UI entry point that future app pages and Codex changes can reuse.
+- Keep the implementation free for commercial use and locally controllable.
+- Preserve light and dark mode, orange brand actions, and dense SaaS workbench ergonomics.
+- Make `/image` AI 图片生成 the concrete golden page standard so future UI reviews compare against a real approved screen instead of vague style language.
+- Avoid a second large UI framework replacing TDesign with another black-box dependency.
+
+## Non-Goals
+
+- This first phase does not remove all TDesign usage from Drawnix internals.
+- This first phase does not purchase or depend on Tailwind Plus/Catalyst.
+- This first phase does not change generation, asset, task, or canvas business logic.
+
+## Decisions
+
+- `apps/web/src/ui` is the only new app UI primitive entry point.
+- Components are shadcn-style local React components with TrueGrowth CSS tokens.
+- `docs/TRUEGROWTH_GOLDEN_IMAGE_PAGE_UI.md` is the canonical interpretation of the approved `/image` page and should be used before changing other navigation-entered pages.
+- Radix primitives remain the intended future backing for complex menus/overlays when dependencies are installed.
+- Lucide is the only icon set for new app UI.
+- TDesign imports in new app code are blocked, while known legacy boundaries remain temporary exceptions.