22 KiB
22 KiB
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| 41-diagrams-icons-theme-engine | 2026-04-04T21:30:58Z | gaps_found | 9/17 must-haves verified |
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Phase 41: Diagrams, Icons, and Theme Engine Verification Report
Phase Goal: Users can generate diagrams from natural language, produce SVG icon sets from descriptions, and create a complete OKLCH color theme from a single seed color — all without binary dependencies beyond what is already installed Verified: 2026-04-04T21:30:58Z Status: gaps_found Re-verification: No — initial verification
Goal Achievement
Observable Truths
| # | Truth | Status | Evidence |
|---|---|---|---|
| 1 | Server has culori, @resvg/resvg-js, wcag-contrast, svgo, playwright-core installed | VERIFIED | All present in server/package.json and node_modules |
| 2 | renderContent switch dispatches diagram, icon-set, and theme-palette job types | VERIFIED | content-job-runner.ts lines 17–28: three case branches with dynamic imports |
| 3 | useContentJob hook submits a job and subscribes to SSE progress | VERIFIED | ui/src/hooks/useContentJob.ts: 110 lines, submits via submitContentJob + opens EventSource |
| 4 | renderDiagram calls the LLM to synthesize Mermaid syntax from a natural language prompt | VERIFIED | diagram-renderer.ts lines 178–183: puterChatComplete called with buildDiagramPrompt output |
| 5 | Mermaid source with %%{init}%% or click directives is stripped before rendering | VERIFIED | stripUnsafeDirectives exports at lines 17–28; called at line 186 |
| 6 | renderDiagram returns a JSON bundle with svgBase64 and pngBase64 | VERIFIED | DiagramBundle assembled at lines 219–225; buffer returned |
| 7 | renderIconSet returns a JSON bundle with N icons, each having svgSource and PNG variants at 16/32/64 | VERIFIED | icon-renderer.ts lines 157–191: PNG_SIZES [16,32,64], IconSetBundle built |
| 8 | SVG output is sanitized via DOMPurify before storage | VERIFIED | diagram-renderer.ts lines 209–212: DOMPurify(window).sanitize() called |
| 9 | Diagram supports architecture, flowchart, ERD, sequence, and mind map types | VERIFIED | DIAGRAM_TYPE_HINTS in diagram-renderer.ts covers all five; UI Select in DiagramGeneratePanel has all five |
| 10 | buildPalette returns 7 named roles with dark and light variants from a single hex seed | FAILED | theme-renderer.ts is an 8-line stub that throws NotImplemented |
| 11 | All palette computations use OKLCH via culori | FAILED | culori installed but never imported anywhere |
| 12 | WCAG AA contrast is validated per foreground/background pair | FAILED | wcag-contrast installed but never imported or called |
| 13 | Four export formatters produce CSS, Tailwind, VS Code, JSON | FAILED | No formatter functions exist |
| 14 | nexus-settings.json schema accepts optional customTheme field | FAILED | nexusSettingsSchema unchanged — no customTheme field |
| 15 | User can pick seed color and see full palette grid (dark/light) | FAILED | ContentStudio Themes tab is a placeholder; all theme components orphaned |
| 16 | WCAG badges shown on each swatch | FAILED | ThemePaletteGrid orphaned; server cannot produce wcagAA values |
| 17 | Theme preview scoped to .nexus-theme-preview updates live | FAILED | ThemePreviewPanel orphaned; ThemeContext.applyCustomTheme never called |
| 18 | Export palette via tabbed interface | FAILED | ThemeExportTabs orphaned; server has no formatters |
| 19 | Apply theme via confirmation dialog | FAILED | ThemeApplyConfirmDialog orphaned; no PATCH to /api/nexus/settings with customTheme |
| 20 | theme-renderer.test.ts covers palette/WCAG/exports | FAILED | File does not exist |
| 21 | nexus-settings-custom-theme.test.ts exists | FAILED | File does not exist |
Score: 9/21 truths verified
Required Artifacts
| Artifact | Status | Details |
|---|---|---|
server/src/services/renderers/types.ts |
VERIFIED | 38 lines; exports DiagramBundle, IconSetBundle, ThemePaletteBundle, RenderResult, PaletteRole |
ui/src/hooks/useContentJob.ts |
VERIFIED | 110 lines; exports useContentJob; wired via imports in DiagramGeneratePanel and IconGeneratePanel |
ui/src/api/contentJobs.ts |
VERIFIED | 43 lines; exports submitContentJob, getContentJob, getContentJobAsset |
server/src/services/renderers/diagram-renderer.ts |
VERIFIED | 232 lines; exports renderDiagram, stripUnsafeDirectives, buildDiagramPrompt |
server/src/services/renderers/icon-renderer.ts |
VERIFIED | 213 lines; exports renderIconSet |
server/src/__tests__/diagram-renderer.test.ts |
VERIFIED | Tests for stripUnsafeDirectives, LLM synthesis, bundle structure |
server/src/__tests__/icon-renderer.test.ts |
VERIFIED | Tests for validateAndCleanSvg, icon bundle structure |
ui/src/pages/ContentStudio.tsx |
PARTIAL | 43 lines; Diagrams and Icons tabs work; Themes tab is placeholder ("Theme engine coming soon.") |
ui/src/components/DiagramGeneratePanel.tsx |
VERIFIED | 158 lines; wired to useContentJob, DiagramPreview, DiagramSourcePanel |
ui/src/components/DiagramPreview.tsx |
VERIFIED | 65 lines |
ui/src/components/DiagramSourcePanel.tsx |
VERIFIED | 102 lines |
ui/src/components/DiagramSourcePanel.test.tsx |
VERIFIED | JSDOM tests for collapse/expand, textarea, re-render button |
ui/src/components/IconGeneratePanel.tsx |
VERIFIED | 230 lines; wired to useContentJob, IconResultGrid, IconDownloadBar |
ui/src/components/IconResultGrid.tsx |
VERIFIED | 106 lines |
ui/src/components/IconDownloadBar.tsx |
VERIFIED | 55 lines |
server/src/services/renderers/theme-renderer.ts |
STUB | 8 lines; exports renderThemePalette as a stub that throws; no culori, no WCAG, no formatters |
server/src/__tests__/theme-renderer.test.ts |
MISSING | File does not exist |
server/src/services/nexus-settings.ts |
STUB | Schema unchanged; no customTheme field added |
server/src/__tests__/nexus-settings-custom-theme.test.ts |
MISSING | File does not exist |
ui/src/components/ThemeSeedInput.tsx |
ORPHANED | 95 lines; well-formed component but never imported |
ui/src/components/ThemePaletteGrid.tsx |
ORPHANED | 120 lines; well-formed component but never imported |
ui/src/components/ThemePreviewPanel.tsx |
ORPHANED | 129 lines; correct setProperty logic but never imported |
ui/src/components/ThemePreviewPanel.test.tsx |
VERIFIED | JSDOM tests for .nexus-theme-preview CSS injection — component itself passes tests |
ui/src/components/ThemeExportTabs.tsx |
ORPHANED | 102 lines; well-formed component but never imported |
ui/src/components/ThemeApplyConfirmDialog.tsx |
ORPHANED | 43 lines; well-formed component but never imported |
ui/src/context/ThemeContext.tsx |
PARTIAL | 169 lines; applyCustomTheme added; reads customTheme on mount; but never PATCHes server, and server schema doesn't accept it |
Key Link Verification
| From | To | Via | Status | Details |
|---|---|---|---|---|
| content-job-runner.ts | diagram-renderer.ts | case "diagram" dynamic import | WIRED | Lines 17–19 |
| content-job-runner.ts | icon-renderer.ts | case "icon-set" dynamic import | WIRED | Lines 21–23 |
| content-job-runner.ts | theme-renderer.ts | case "theme-palette" dynamic import | WIRED (stub) | Lines 25–27: wired but renderer throws |
| DiagramGeneratePanel.tsx | useContentJob | useContentJob hook | WIRED | Line 8 import, line 30 call |
| ContentStudio.tsx | App.tsx | Route registration | WIRED | App.tsx line 181: path="content-studio" |
| ThemeApplyConfirmDialog.tsx | /api/nexus/settings | PATCH with customTheme | NOT WIRED | No PATCH call exists anywhere in theme UI components |
| ThemeSeedInput.tsx | ContentStudio.tsx | import + use | NOT WIRED | Component orphaned |
| ThemePaletteGrid.tsx | ContentStudio.tsx | import + use | NOT WIRED | Component orphaned |
| ThemePreviewPanel.tsx | ContentStudio.tsx | import + use | NOT WIRED | Component orphaned |
| ThemeExportTabs.tsx | ContentStudio.tsx | import + use | NOT WIRED | Component orphaned |
| ThemeApplyConfirmDialog.tsx | ContentStudio.tsx | import + use | NOT WIRED | Component orphaned |
| theme-renderer.ts | culori | converter('oklch') | NOT WIRED | culori installed, never imported |
| theme-renderer.ts | wcag-contrast | wcagContrast.hex() | NOT WIRED | wcag-contrast installed, never imported |
Data-Flow Trace (Level 4)
| Artifact | Data Variable | Source | Produces Real Data | Status |
|---|---|---|---|---|
| DiagramGeneratePanel.tsx | bundle (DiagramBundle) | renderDiagram via content job SSE | Yes (real Playwright render) | FLOWING |
| IconGeneratePanel.tsx | bundle (IconSetBundle) | renderIconSet via content job SSE | Yes (real LLM + SVGO) | FLOWING |
| ContentStudio.tsx Themes tab | palette | ThemePaletteBundle from renderThemePalette | No — stub throws | DISCONNECTED |
| ThemePreviewPanel.tsx | palette prop | Never passed (orphaned) | N/A | HOLLOW_PROP |
| ThemePaletteGrid.tsx | palette prop | Never passed (orphaned) | N/A | HOLLOW_PROP |
Behavioral Spot-Checks
| Behavior | Command | Result | Status |
|---|---|---|---|
| theme-renderer throws on call | node -e "import('/opt/nexus/server/src/services/renderers/theme-renderer.ts').then(m=>m.renderThemePalette({}))" | Would throw "not yet implemented" | FAIL |
| culori installed in server | ls /opt/nexus/server/node_modules/culori | Directory exists | PASS |
| wcag-contrast installed | ls /opt/nexus/server/node_modules/wcag-contrast | Directory exists | PASS |
| ContentStudio route registered | grep content-studio ui/src/App.tsx | Line 181 found | PASS |
| Theme tab is placeholder | grep "coming soon" ui/src/pages/ContentStudio.tsx | Line 38 confirmed | FAIL |
Requirements Coverage
| Requirement | Description | Status | Evidence |
|---|---|---|---|
| DIAG-01 | User can generate diagrams from natural language description | SATISFIED | renderDiagram calls LLM via puterChatComplete; DiagramGeneratePanel wired |
| DIAG-02 | System renders Mermaid syntax to SVG and PNG formats | SATISFIED | Playwright renders to SVG; Resvg rasterizes to PNG |
| DIAG-03 | User can view and edit Mermaid source for refinement | SATISFIED | DiagramSourcePanel: collapsible, editable, re-render wired |
| DIAG-04 | System supports architecture, flowchart, ERD, sequence, mind map | SATISFIED | DIAGRAM_TYPE_HINTS covers all 5; UI Select has all 5 |
| DIAG-05 | Mermaid rendering enforces strict security level to prevent XSS | SATISFIED | securityLevel: "strict" in buildMermaidHtml; stripUnsafeDirectives removes %%{init}%% and click directives |
| ICON-01 | User can generate SVG icons from a text description | SATISFIED | renderIconSet uses LLM; IconGeneratePanel wired |
| ICON-02 | System produces icon sets with consistent visual style | SATISFIED | Style parameter (outline/filled/rounded) passed to LLM and to bundle |
| ICON-03 | User can export icons in multiple sizes and formats (SVG, PNG) | SATISFIED | PNG_SIZES [16,32,64] rasterized; IconDownloadBar provides export |
| THEME-01 | User can pick a seed color and receive a complete palette | BLOCKED | theme-renderer.ts stub; Themes tab placeholder |
| THEME-02 | System generates palette in OKLCH color space with Catppuccin-style naming | BLOCKED | No OKLCH computation exists |
| THEME-03 | System validates WCAG AA contrast for all foreground/background pairs | BLOCKED | wcag-contrast unused |
| THEME-04 | User can preview Nexus UI with generated palette live | BLOCKED | ThemePreviewPanel orphaned |
| THEME-05 | User can export palette as CSS, Tailwind, VS Code, JSON | BLOCKED | No export formatters; ThemeExportTabs orphaned |
| THEME-06 | System generates dark and light variants from single seed color | BLOCKED | No dark/light generation logic |
| THEME-07 | User can apply generated theme in one click | BLOCKED | ThemeApplyConfirmDialog orphaned; no PATCH to server; schema missing customTheme |
Anti-Patterns Found
| File | Line | Pattern | Severity | Impact |
|---|---|---|---|---|
| server/src/services/renderers/theme-renderer.ts | 7 | throw new Error("renderThemePalette: not yet implemented") |
Blocker | Any theme-palette job crashes at runtime |
| ui/src/pages/ContentStudio.tsx | 38 | "Theme engine coming soon." hardcoded placeholder text |
Blocker | Themes tab entirely inaccessible to users |
| ui/src/context/ThemeContext.tsx | 85-88 | Reads customTheme from /api/nexus/settings on mount but server schema has no such field; will always silently no-op |
Warning | Custom theme persistence cannot work |
Human Verification Required
1. Diagram generation end-to-end
Test: Start dev server, navigate to /:companyId/content-studio, describe a flowchart, click Generate Diagram.
Expected: Progress bar appears; SVG renders; Download SVG and Download PNG produce valid files; Expand source panel shows editable Mermaid; Re-render diagram updates diagram.
Why human: Requires running dev server + LLM inference + Playwright Chromium at runtime.
2. Icon generation end-to-end
Test: In Icons tab, enter descriptions, select style/count, click Generate. Expected: Icon grid renders with checkboxes; individual and bulk download works; PNG sizes 16/32/64 are valid. Why human: Requires running dev server + LLM inference.
3. Sidebar navigation
Test: Check if any sidebar nav item links to content-studio.
Expected: A nav link should exist so users can reach the page.
Why human: No sidebar link was found in grep results — only App.tsx has the route. A human should confirm whether this is intentional or a missing nav link.
Gaps Summary
The phase is split into two tiers of completion:
Diagram and Icon generation (DIAG-01 through DIAG-05, ICON-01 through ICON-03): COMPLETE. All server renderers are implemented, tested, and wired. The UI components are substantive and wired to the job hook. The content-job-runner dispatches all three job types.
Theme engine (THEME-01 through THEME-07): NOT IMPLEMENTED. This is the critical gap. The root cause is a single cascading failure: server/src/services/renderers/theme-renderer.ts was never implemented beyond a stub. Every THEME requirement depends on this function.
Secondary gaps compound the primary:
nexus-settings.tsschema was not extended withcustomTheme(THEME-07 server persistence broken)theme-renderer.test.tsandnexus-settings-custom-theme.test.tswere never created- All five theme UI components (
ThemeSeedInput,ThemePaletteGrid,ThemePreviewPanel,ThemeExportTabs,ThemeApplyConfirmDialog) are well-written but completely orphaned — none are imported byContentStudio.tsx, which instead renders a"Theme engine coming soon."placeholder
The fix requires: (1) implement the OKLCH palette engine in theme-renderer.ts, (2) extend nexus-settings schema, (3) create both missing test files, and (4) wire all five theme UI components into ContentStudio's Themes tab with a PATCH handler.
Verified: 2026-04-04T21:30:58Z Verifier: Claude (gsd-verifier)