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Tomas Dvorak
e7f32949e9
All four styles are board renderers over one shared store, not color themes. Renderer contract (Board/Section/Item/Widget) lands in Phase 1; Cards ships in v0.1.0 to validate the seam early, Index and Console follow in v0.3.0. Generated with [Devin](https://devin.ai) Authored By: TDvorak <[email protected]> Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
136 lines
6.6 KiB
Markdown
136 lines
6.6 KiB
Markdown
# Dash — Design Spec & Roadmap
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Date: 2026-09-16
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Status: proposed — pending UI direction pick (see `mockups/`)
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## 1. Product
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Self-hosted homelab dashboard. A visual launchpad for services (local + external) with live widgets. CasaOS-grade ease of use, Vercel-grade design. Single Docker container, no auth in v1.
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Differentiator: UI-first management (no YAML) + modern design. Homepage requires YAML, Homarr forces auth and complexity, Dashy is overloaded, CasaOS is an OS not a dashboard.
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## 2. Requirements (from prompt.md)
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| Req | Notes |
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|---|---|
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| Service cards | name, icon (URL or uploaded file), status indicator |
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| Multi-URL services | each URL tagged `local` / `external` / custom label; 1 URL = direct nav, 2+ = popover chooser |
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| Sections | named groups; collapse/expand; reorder sections and items via drag-drop; items move between sections |
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| Add service | `+` button, dialog: name, URLs, icon |
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| Widgets | live on the grid; v1: clock/timezones, Pi-hole, AdGuard Home, Immich; extensible registry |
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| Themes | dark + light |
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| No auth | v1; optional auth is post-1.0 |
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| Lightweight | single container, single binary, <50 MB image target |
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## 3. Architecture
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```
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/apps/frontend React 18 + Vite + TS strict + Tailwind + shadcn/ui + dnd-kit
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/apps/backend Go + Gin + zap, CGO-free
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/packages/api-client generated from OpenAPI (single source of truth)
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/infra Dockerfile multi-stage → ONE image; docker-compose.yml (1 service)
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/data SQLite file + uploaded icons (bind-mounted)
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```
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### Approved deviations from locked stack
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- **SQLite** (`modernc.org/sqlite`, CGO-free) instead of Postgres. Approved 2026-09-16. Reason: ~100 rows of state, single-binary deployment is the product's core install feature. goose migrations still apply.
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- **No DragonflyDB.** Widget responses cached in-process with a small TTL map. Add a real cache only if profiling demands it.
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Everything else per `tdvorak-fullstack` locked stack.
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### Key decisions
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- **Go embeds the frontend** via `embed.FS` → `docker run -v ./data:/data -p 3000:3000 dash` is the entire install.
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- **Widget proxy server-side.** Pi-hole/AdGuard/etc. APIs need secrets and are not CORS-safe. Backend exposes `GET /api/widgets/:id/data`; a registry maps widget type → fetcher. New integration = one Go file + one React component.
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- **Ordering** via fractional position column (`position REAL`) — drag-drop writes one row, not a renumber of the set.
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- **Icons** stored in `data/icons/`; dashboard-icons pack integration for auto-suggest in Phase 3.
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## 4. Data model (SQLite)
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```sql
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sections(id TEXT PK, name TEXT, position REAL, collapsed INT, created_at)
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items(id TEXT PK, section_id FK, kind TEXT, -- 'service' | 'widget'
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name TEXT, icon TEXT, -- icon: path or URL
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position REAL, config JSON, created_at) -- widget cfg or null
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urls(id TEXT PK, item_id FK, url TEXT, label TEXT, position REAL)
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settings(key TEXT PK, value JSON) -- theme, wallpaper, widget secrets ref
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```
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Widget secrets (API keys) live in `config JSON` for v1; encrypted-at-rest only if auth lands later.
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## 5. API (OpenAPI contract — sketch)
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```
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GET/POST/PATCH/DELETE /api/sections
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POST /api/sections/reorder
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GET/POST/PATCH/DELETE /api/items
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POST /api/items/reorder
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POST /api/items/:id/icon (upload)
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GET /api/widgets/types (registry metadata for UI)
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GET /api/widgets/:id/data (live fetch, cached ~30s)
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GET/PUT /api/settings
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GET /api/export (full JSON backup)
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POST /api/import
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GET /api/healthz
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```
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Frontend never hand-writes API types — generated client from `openapi.yaml`.
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## 6. Frontend structure
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- `ServiceCard` — icon, name, host, status dot, multi-URL badge → `UrlPopover`
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- `Section` — header (label, count, collapse chevron, drag handle) + `SortableContext` grid
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- `WidgetHost` — renders widget component by `config.type`, polls `/api/widgets/:id/data`
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- `AddServiceDialog`, `EditServiceDialog` (shadcn Dialog + Form)
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- `CommandPalette` (⌘K) — Phase 3
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- dnd-kit `DndContext` at board level; sections and items both sortable
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## 7. UI system — DECIDED 2026-09-16
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**The app ships multiple layouts, not one.** Same board state, same interactions (drag-drop, collapse, URL popover, add/edit), different structure per style. This is a core feature, not a theme afterthought.
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**Primary renderer: `d-bento-mono.html`** — bento grid on the monochrome zinc palette. Geist + Geist Mono, hairline borders, no glow, status chips carry the only color (green/amber semantic).
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**Full renderer set:**
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| Renderer | Source mockup | Structure |
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| Bento (default) | `d-bento-mono.html` | mixed-size grid, widgets inline as large tiles |
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| Cards | `a-vercel-mono.html` | uniform compact card grid, widgets as cards |
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| Index | `e-editorial.html` | serif section headers, full-width rows, masthead stat strip |
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| Console | `f-console.html` | bordered panels/tables, JetBrains Mono, `[ up ]` tags |
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Rejected and deleted: bento-with-glow (B), casa glass (C).
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### Renderer contract (architectural requirement)
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```
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renderers/
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<name>/
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BoardView (grid/list arrangement, section placement)
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SectionView (header chrome: label, count, collapse, drag handle)
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ItemView (tile/card/row anatomy: icon, name, host, status, popover anchor)
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WidgetView (widget tile/panel/strip-cell anatomy)
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```
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- Board state (sections, items, order, collapse) lives in one store, renderer-agnostic.
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- Interactions (dnd-kit, popover, dialogs) are provided by shared primitives the renderer composes — renderers never reimplement dnd or popover logic.
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- Design tokens (`--bg`, `--surface`, `--border`, `--text`, …) are shared CSS vars; each renderer maps them to its own chrome. Dark/light stays orthogonal to renderer choice.
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- Setting: `settings.renderer` — user picks layout in settings; persisted like theme.
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Building the second renderer (Cards) inside Phase 1 is deliberate: it validates the seam while the code is still small.
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## 8. Roadmap
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Canonical roadmap lives in [`ROADMAP.md`](../../ROADMAP.md) at repo root — single source of truth, kept versioned with the code.
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### Explicit non-goals for v1
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Auth, Postgres, multi-user, mobile app, container management, YAML-as-source-of-truth.
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## 9. Testing
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- Go: table-driven tests for widget fetchers + reorder logic (`go test ./...`)
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- TS: `tsc --noEmit` + oxlint gate; dnd reducer unit tests only if ordering logic grows
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- Smoke: `docker compose up` → create section → add service → drag → export JSON
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