better-LVGL-for-dsh

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An offline LVGL 8.4 knowledge skill pack for DeepSeek Harness (dsh) — it teaches the agent to write correct LVGL v8 API code and, above all, to stop mixing in v9 APIs (the single most common failure mode of LLM-generated LVGL code).

Plugin form: dsh bundle (dsh.bundle declaration in package.json + cordis.patch.yml patch row)
Capability path: Cordis plugin → runtime skills registered on ctx.skills → the stock dsh-tool-skill consumer → the model-facing skill catalog and skill loader
Skill format: Agent Skills standard (SKILL.md + YAML frontmatter); pure ESM, zero dependencies, no build step

Why

Large language models have seen far more LVGL v9 content than v8.4, so they routinely produce code that mixes the two — e.g. lv_display_create() (v9) next to lv_disp_drv_t (v8), or lv_async_call() which does not exist in v8.4 at all. This pack pins the agent to v8.4 facts with nine focused, on-demand skills.

Skills

Skill	Coverage
`lvgl84`	Entry point & router: v8/v9 API confusion anchors, skill map, minimal working skeleton
`lvgl84-core`	Object model, screens, create/delete, coordinates/alignment/sizing, flags, scrolling
`lvgl84-widgets`	Quick reference for all 30+ built-in widgets: create functions and widget-specific APIs
`lvgl84-style`	Style system: shared vs local styles, part/state selectors, themes, transitions
`lvgl84-event`	Full event-code table, user_data, event bubbling, keypad/encoder groups, `lv_msg`
`lvgl84-layout`	Flex & Grid layouts in full, with a CSS-to-LVGL cheat sheet
`lvgl84-porting`	`lv_conf.h`, display flush_cb, input drivers, tick, double-buffer + DMA, thread safety
`lvgl84-pitfalls`	Symptom→cause→fix table: garbled screen, hangs, OOM, dead clicks, CJK fonts
`lvgl84-migration`	v7→v8.4 migration: renamed/removed widgets, rewritten styles/events/drivers

Installation

# From GitHub
dsh plugin --profile web add github:sa998aaron/better-LVGL-for-dsh

# Or from a local clone
dsh plugin --profile web add

Reload the profile afterwards. The lvgl84-* skills then appear in the model-facing skill catalog and load on demand; you can also invoke one explicitly with a /lvgl84-style-style gesture.

Verify it works

Ask:

Write an LVGL 8.4 UI with a title bar and three buttons.

If the generated code uses lv_obj_create / lv_obj_set_flex_flow / lv_obj_add_event_cb — and not v9's lv_display_create — the plugin is doing its job.

Layout

better-LVGL-for-dsh/
├── package.json        # dsh.bundle declaration
├── cordis.patch.yml    # Cordis composition patch row
├── index.js            # Entry: scans skills/ and registers each on ctx.skills
└── skills//SKILL.md

Adding your own skills

Create skills//SKILL.md:

---
name: my-skill
description: One line on what it is and when to use it.
whenToUse: Optional trigger description
---

Body (Markdown)…

Reload the plugin; the directory is rescanned at apply time.

License

MIT

better-lvgl-for-dsh

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