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RuDS/RUST_PLAN_CORE.md
2026-07-18 22:55:37 +02:00

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# RuDS Core Plan
## Goal
RuDS is the native Rust replacement for bDS2. Core covers the complete everyday workflow: open an existing project, author content, preview and generate the site, publish it, and maintain database/filesystem integrity.
The behavioural contract is `specs/*.allium`. When a spec is ambiguous, `../bDS2` is the reference implementation. [RUST_PLAN_EXTENSION.md](RUST_PLAN_EXTENSION.md) contains optional and advanced surfaces.
Status in this document describes the current source code as of 2026-07-18. It deliberately does not track build runs, test runs, release gates, or implementation history.
## Non-Negotiable Constraints
- Preserve existing SQLite, Markdown/frontmatter, translation, media sidecar, template, menu, and generated-site formats.
- Published post bodies live in files, not the database.
- Use a native Rust desktop stack: Iced, muda, rfd, and Wry. No JavaScript application runtime or remote assets.
- Preview and generated output share the same Rust rendering pipeline.
- Python scripting is intentionally replaced by Lua; built-in macros remain native Rust.
- UI locale follows the operating system; rendered content language follows project settings.
- Online AI is optional and blocked in airplane mode; local models may remain available.
- Metadata writes, publishing, metadata diff, and rebuild must share one field mapping.
- User-visible functionality requires a UI entry point, and UI controls require working functionality.
- macOS commands must be wired through native menus and application lifecycle handling.
## Workspace
| Crate | Responsibility |
|---|---|
| `bds-core` | Models, SQLite, filesystem formats, engines, rendering, generation, AI, publishing, and Lua |
| `bds-editor` | Reusable Ropey/Syntect/Cosmic Text editor widget |
| `bds-ui` | Iced application, native menus/dialogs, platform lifecycle, and embedded preview |
| `bds-cli` | Extension-only headless automation surface; currently a stub |
## Current Core Status
### Project, persistence, and integrity — Done
Available:
- Existing project discovery and opening, with the database stored in private OS application data.
- Diesel-backed SQLite schema and migrations.
- Posts, translations, media, media translations, post-media links, tags, templates, scripts, settings, menus, and publishing settings.
- Draft/published lifecycle with canonical content placement.
- YAML frontmatter, translation files, media sidecars, template/script files, and project metadata.
- FTS5 post and media search with language-aware stemming.
- Database rebuild from filesystem and directional metadata diff/repair.
- Structured site, media, and translation validation.
- Unbounded unique slug allocation.
- Explicit rebuild-from-filesystem paths for manual file changes. bDS2 does
not live-watch arbitrary project files; its external-change watcher is the
extension CLI/database-notification contract.
### Native desktop shell — Done
Available:
- Iced workspace with activity bar, sidebar, tabs, status bar, task/output panel, toasts, and modal flows.
- Native muda menus, localized labels, accelerators, and state-dependent command enablement.
- Native file/folder dialogs and recent-project handling.
- macOS open-file and URL lifecycle plumbing.
- Localized UI separate from project content language.
Open:
- No known large core block. New menu commands must continue to be wired through both localization layers and the native intercept.
### Authoring and editor — Mostly done
Available:
- Dashboard and editors for posts, translations, media, tags, templates, scripts, and settings.
- Post create, edit, publish, unpublish, discard, and delete flows.
- Media import, replacement, metadata editing, translations, thumbnails, filters, and post assignment.
- Template and Lua script creation, editing, validation, publication, and deletion.
- Rope-based editing with syntax highlighting, selection, clipboard, undo/redo, word/line/page movement, line numbers, soft wrapping, mouse selection, and committed IME input.
- Automatic translation flows with airplane-mode gating and media translation propagation.
- Functional post-links panel with backlinks, outlinks, and navigation to linked posts.
Open:
- Add the specified post-editor "Add Gallery Images" batch workflow.
### Rendering, preview, and generation — Mostly done
Available:
- Shared Markdown and Liquid rendering for preview and generated output.
- Template lookup, routes, language variants, published snapshots, custom assigns, and URL rewriting.
- Native gallery, YouTube, Vimeo, photo archive, and tag cloud macros.
- User-authored Lua macro invocation during rendering.
- Localhost-only Axum preview server, draft routes, embedded Wry preview, and external-browser preview.
- Complete site generation with pages, archives, feeds, sitemap, static assets, changed-file tracking, parallel page rendering, and Pagefind output.
- OPML/menu document loading and normalized Home-first menu output.
Open:
- Represent generation as the specified group of section tasks followed by a final search-index task, rather than one coarse application task.
- Keep closing concrete output differences found against bDS2; approved normalization differences belong in this document when discovered.
### One-shot AI — Mostly done
Available:
- Configurable online and airplane-mode OpenAI-compatible endpoints.
- Secure API-key storage through the operating-system keychain.
- Model catalog discovery and model selection.
- Post translation, media translation, image alt text, post analysis, taxonomy analysis, and language detection.
- Explicit offline gating and user-visible errors.
- SQLite fields for input, output, cache-read, and cache-write token usage.
Open:
- Parse actual input, output, cache-read, and cache-write token usage from AI
responses and return it with each one-shot result. Chat persistence of those
counters belongs to the extension chat workflow.
Interactive chat, tools, agents, and MCP belong to the extension plan.
### Publishing — Done
Available:
- SCP and rsync publishing through system commands.
- SSH-agent-only authentication with no password prompts.
- Separate HTML, thumbnail, and media targets.
- `.meta` exclusion, changed-file skipping for SCP, progress reporting, and UI commands.
- One managed publish job processes the HTML, thumbnail, and media targets in
sequence, matching bDS2. Parallel target uploads are not a parity requirement.
### Lua scripting — Partly done
Available:
- Sandboxed vendored Lua 5.4 runtime with cancellation and execution limits.
- Application log, progress, and toast functions.
- User macro and transform execution, including Blogmark transforms.
- Lua script persistence, rebuild, metadata diff, validation, and editor support.
- Fixed `.lua` script file contract.
Open:
- Expose the bDS2-compatible core `bds.*` API for post, media, tag, project, and other script-visible data.
- Generate and bundle the Lua API reference, canonical type reference, and macro/transform/utility examples under `docs/scripting/`.
- Add a documentation-sync check tied to the exposed API.
## Remaining Core Blocks
1. Complete the Lua host API and scripting documentation.
2. Finish the linked-image authoring workflow.
3. Add generation section-task grouping.
4. Return normalized token accounting from one-shot AI calls.
Core is feature-complete when these blocks are closed and the implementation continues to satisfy the Allium and bDS2 compatibility contracts.