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cesnimda ce76046a29 feat: complete release readiness work
- consolidate API ownership and remove dead vendor code

- add Stripe billing, learning paths, and public CV hardening

- add migration, recovery, security, audit, and browser gates
2026-07-31 16:54:16 +02:00

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# CV Builder (Career Workspace Builder)
> Phase 4 (2026-07-18). The builder that turns the master career profile into themed, exportable,
> optionally-public CVs. Companion to `docs/architecture/cv-theme-engine.md`,
> `docs/architecture/career-profile-model.md`, and `MASTER_IMPLEMENTATION_GUIDE.md`. Verified against
> code and a running container.
## Source-of-truth chain
```
CareerProfile (the only editable career source)
↓ read (never copied)
CvVariant — a LENS: section order/visibility, per-item overrides, theme + builder settings
↓ resolve
CvRenderModel — presentation projection (CvVariantResolver)
↓ render (one path, theme = data)
HTML — ThemedCvRenderer
↓ export / share
PDF | Public CV (/cv/{slug})
```
The master profile is never written by the builder. A variant references career items by their stable
`ItemKey`; overriding a bullet stores the override on the variant, leaving the profile untouched
(`CvBuilderTests.Resolver_applies_item_override_bullets_without_touching_the_master`).
## Variant model
`CvVariant` (`JobTrackerApi/Models/CvVariant.cs`) + `CvVariantVersion` (autosave history). The whole lens lives in one
`SettingsJson` blob (`CvVariantSettings`, `JobTrackerApi/Models/CvVariantSettings.cs`) because it is edited and saved
as a unit — never queried field-by-field. A variant stores:
- `ThemeId` + overrides: accent, heading/body font, density, page size, photo/icons/page-numbers.
- `Sections`: ordered list with per-section `Hidden` + optional renamed `Title`.
- `Overrides`: keyed by `ItemKey``{ Hidden, Title, Subtitle, Bullets }` (per-item, job-specific).
- `CustomSections`: variant-only sections not in the master profile.
`PublicSlug` (unguessable, globally unique) backs the public URL. `IsPublic` is off by default.
## Rendering pipeline
1. `CvVariantResolver.Build(profile, settings, fallbackName, photoDataUrl)``CvRenderModel`. Applies
order, visibility, item overrides and custom sections. Pure projection, owns nothing.
2. `ThemedCvRenderer.Render(model, theme, settings)` → HTML. One render path; the theme (data) drives
layout/palette/typography/spacing. See `cv-theme-engine.md`.
3. `PlaywrightCvPdfExporter` (reused unchanged) turns the HTML into a PDF.
## API
Authenticated (`/api/cv`, `CvVariantController`): `GET themes`; `GET/POST variants`;
`GET/PUT/DELETE variants/{id}`; `POST variants/{id}/duplicate`; `PUT variants/{id}/public`;
`GET variants/{id}/versions`, `POST …/versions/{v}/restore`; `GET variants/{id}/preview` and
`POST preview` (live preview of unsaved settings); `POST variants/{id}/export-pdf`; `POST ai/assist`.
Anonymous (`/api/public-cv/{slug}`, `PublicCvController`): serves a public variant read-only,
`X-Robots-Tag: noindex`. Loads the owner's profile via `LoadStructuredForOwnerAsync` (bypasses the
tenant filter — there is no current user). Unknown/private slug → 404
(`CvBuilderTests.Private_variant_is_not_served_publicly`).
Recruiters can download the same public render as PDF through `GET /api/public-cv/{slug}/pdf`.
The endpoint applies the identical public/private slug check; unknown, revoked, or private links return
404 without invoking the exporter. Anonymous PDF generation is limited to three requests per minute
per public link because it launches Chromium. `PublicCvPage` exposes it as a native **Download PDF** link.
## Builder workflow (frontend)
`/career/builder` lists variants (`CvBuilderPage`); the editor (`CvBuilderEditor`) is three tabs —
**Content**, **Customize**, **AI Tools** (plus **History**) — beside an always-on live preview that
re-renders through `POST /api/cv/preview` on a 300 ms debounce. Edits autosave on an 800 ms debounce
(`source: autosave`), appending a version each save; the header shows Unsaved / Saving / Saved.
`/cv/:slug` (`PublicCvPage`) renders a public CV in a sandboxed iframe.
**Content tab** reads `GET /api/cv/outline` (the master profile as sections+entries with ItemKeys).
Sections and entries reorder by native drag-and-drop (`useDragReorder`, no dependency) or arrow
buttons (the keyboard-accessible path); entry order is stored per section as `ItemOrder` on the
variant, never on the profile. Each entry exposes hide, title/subtitle override, and rich-text bullet
editing (`RichTextField` — a markdown toolbar over a textarea; storage stays plain text, the server
renderer converts the `**bold** *italic* __underline__ [text](url)` whitelist to safe HTML).
**Preview** has zoom presets (±, slider, Fit), a measured page count with prev/next page navigation
and dashed page-break indicators, and an "updating…" chip. **Customize** badges ATS-friendly themes.
## AI
`POST /api/cv/ai/assist` reuses the existing `ISummarizerService` provider abstraction. It returns a
suggestion the user copies in themselves — it never mutates the profile or the variant. Every prompt
carries "preserve every factual claim — never invent" (MASTER_IMPLEMENTATION_GUIDE AI philosophy).
## Extension points
- **New theme**: append a `CvTheme` to the catalog (`cv-theme-engine.md`). No renderer change.
- **New section kind**: add a builder in `CvVariantResolver` + a `Kind` branch in `ThemedCvRenderer`.
- **DOCX export**: add an `IDocxExporter` consuming the same `CvRenderModel`; the model is format-neutral.
- **PDF page numbers**: `ShowPageNumbers` is carried but the footer is a Playwright `footerTemplate`
concern, not CSS — see `cv-theme-engine.md`.
## Deployment — public CV routing (fixed 2026-07-18)
`/cv/{slug}` (and every deep link) must work on direct navigation, refresh, and shared links. The app
is a React Router SPA behind Next.js `output: export`, which previously prerendered only `/`, so a hard
load of any deep path hit Next's client not-found before React Router could route it.
**Fix:** the single `app/page.tsx` is now an optional catch-all `app/[[...slug]]/` (a server
`page.tsx` exporting `generateStaticParams` + a `"use client"` `ClientShell`, because
`generateStaticParams` can't live in a client file). The catch-all matches every client path, so React
Router owns routing on any hard load. Build still emits just `index.html`; nginx serves it for all
unknown paths via `try_files $uri /index.html` (unchanged). **No infra/nginx change was required**
the fix is entirely in the frontend build. Verified live: `/login` and `/cv/{slug}` both resolve on
direct navigation.