Files
OSIT-AE-App-Native-Electron/documentation/TODO_AGENTS.md
Scott Idem 9df9d884e5 fix(display): fix mirror_of_display syntax, add Homebrew fallback, update docs
- `mirror:` was wrong; correct displayplacer param is `mirror_of_display:<uuid>`
- Same fix applied to the strip regex (extend path) and mirror detection check
- Binary lookup now tries resources/bin → /opt/homebrew/bin → /usr/local/bin
  so dev/venue Macs with `brew install displayplacer` work without bundling
- Updated TODO_AGENTS.md: marks auto-detection complete, documents one-time
  brew install step, bundling path, and optional per-device configStr override

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-20 16:33:25 -04:00

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Markdown

# Native App Agent Task List
> Use this file to track steps for complex features or bug fixes.
> **Status:** Stable - ongoing development.
## Current Investigation
- This started as an API contract review for the native Electron bootstrap path and expanded into a packaging/runtime issue after the deploy step stopped producing bundles.
- We now know the API side was not the root cause. The bootstrap request shape in `src/main/api_client.ts` was wrong and has been corrected.
- The packaging blocker has been diagnosed and fixed (see below).
## Launcher Terminology Cleanup
- Align the native docs/comments with the Svelte-side terminology: **Launch Profile** = the
Svelte config object keyed by extension; **Native Template** = the AppleScript or shell
string Electron actually executes after the file lands in temp.
- Update `src/main/file_handlers.ts` comments and any bridge-facing wording so they describe the
resolved `native_template` string accurately. `launch_profiles` is only the Svelte-side map;
the IPC payload is the single executable string. Do not reintroduce `launch_scripts` as the
public term.
- Keep the source of truth in Svelte. Electron should remain a thin executor/copy layer.
- After source/docs updates, rebuild/regenerate `dist/main/file_handlers.js` from source; do not
hand-edit the generated file.
- If any parameter names remain awkward in source, preserve runtime behavior first and rename
only when the signature ripple is understood.
## What Was Fixed
- Updated the native bootstrap flow to use the direct `site_domain/search` request body expected by API V3.
- Standardized the account-bypass header to `x-no-account-id: bypass` where that narrow bypass is intended.
- Removed a redundant `x-no-account-id` header from file download calls.
- Rewrote the device lookup smoke test so it validates the real two-step bootstrap path end to end.
- Upgraded Electron from 34.x to 42.0.1.
- Replaced deprecated `electron-packager` with `@electron/packager` 20.0.0.
- Added a `package:linux` smoke test path so packaging failures can be isolated from macOS-specific behavior.
- **Fixed packaging hang on Node 26:** `yauzl` 2.10.0 (used by `extract-zip` in `@electron/packager`) emits no `data` events on Node 26 streams, causing zip extraction to hang indefinitely. Fix: patched `@electron/packager/dist/unzip.js` to use `bsdtar` (libarchive) instead of `extract-zip`. `bsdtar` was chosen over `7z` because `7z` refuses macOS `.app` bundles with chained symlinks inside framework bundles. Patch is re-applied on every `npm install` via the `postinstall` script at `scripts/patch-packager-unzip.js`.
## Verified So Far
- `npm run dev` works once the Electron binary is present locally.
- Manual Electron cache extraction restored a runnable checkout on this machine.
- API validation confirmed the backend responds correctly for:
- `event_device/{id}` lookup
- `site_domain/search?limit=1` with the direct `SearchQuery` body
- The returned `site_domain.account_id` matches the device account context in the verified bootstrap flow.
- The SvelteKit frontend bootstrap path already follows the correct API contract and does not need the same fix.
- **`npm run package:linux` now produces `builds/aether_launcher-linux-x64/`** with a complete bundle (confirmed 2026-05-11).
- **`npm run package:mac` now produces `builds/aether_launcher-darwin-x64/` and `builds/aether_launcher-darwin-arm64/`** with `aether_launcher.app` inside each (confirmed 2026-05-11). Initial fix used `7z` but it refused chained symlinks inside macOS framework bundles; switched to `bsdtar` (libarchive) which handles both Linux and macOS zips correctly.
- `deploy/deploy.sh` output directory names (`aether_launcher-darwin-x64`, `aether_launcher-darwin-arm64`) match packager output — no script changes needed.
## Remaining Items
1. Test that the packaged Linux binary runs end-to-end against the dev API.
## Root Cause Summary (Packaging Hang)
- **Tool chain:** Node 26.1.0 + `@electron/packager` 20.0.0 + `extract-zip` 2.0.1 + `yauzl` 2.10.0
- **Symptom:** `npm run package:linux` exits 0 but produces no output. Debug log shows it starts extraction but never finishes.
- **Root cause:** `yauzl` opens a read stream for the first zip entry, but on Node 26, no `data` events are ever emitted on that stream. The `pipeline(readStream, writeStream)` call in `extract-zip` blocks forever.
- **Fix:** Replace the one-liner `extractElectronZip` function in `node_modules/@electron/packager/dist/unzip.js` with a `child_process.execSync` call to `bsdtar -xf`. `bsdtar` was chosen over `7z` because `7z` refuses macOS `.app` bundles with chained symlinks (e.g. `Electron Framework.framework/Libraries → Versions/Current/Libraries`). A `postinstall` npm script re-applies this patch after each `npm install`.
- **Build-time dependency:** `libarchive` (provides `bsdtar`) must be installed on the build host. On Arch: `pacman -S libarchive`; macOS: included in Xcode CLT or `brew install libarchive`; Ubuntu/Debian: `apt install libarchive-tools`.
## References
- Electron 42 release notes: https://www.electronjs.org/blog/electron-42-0
- Related Electron packaging discussion: https://github.com/aaddrick/claude-desktop-debian/pull/587
- Electron packaging/runtime change reference: https://github.com/electron/electron/pull/49328
- yauzl Node 26 stream issue: `yauzl` 2.10.0 uses legacy Node streams (streams1 style); Node 26 changed stream internal behavior so `openReadStream` returns a stream that never emits `data` without a proper pipeline consumer.
## Notes
- Was on Electron 34.
- The problem is not the backend API keys or the frontend site bootstrap flow.
- The packaging fix is a node_modules patch, not upstream. If `@electron/packager` or `extract-zip` releases a Node 26-compatible version, the `postinstall` script should be removed.
---
## set_display_layout — displayplacer Setup & Status (updated 2026-05-20)
**Reference:** [jakehilborn/displayplacer](https://github.com/jakehilborn/displayplacer)
**Current state (2026-05-20):**
- ✅ Handler auto-detects displays via `displayplacer list` — no per-device `configStr` required for normal use
- ✅ Binary lookup order: `resources/bin/displayplacer` (bundled) → `/opt/homebrew/bin/displayplacer` (Apple Silicon Homebrew) → `/usr/local/bin/displayplacer` (Intel Homebrew)
- ✅ Correct `mirror_of_display:<uuid>` syntax used (was `mirror:` — wrong, now fixed)
- ✅ Failures logged to Electron console (`[Launcher] set_display_layout:`) instead of silently swallowed
-**Display Mode toggle** added to Launcher config (Native OS section) — Extend/Mirror buttons always visible, no Technical Mode required
**One-time setup on each venue Mac:**
```bash
brew install displayplacer
```
The binary is not bundled in the Electron build yet. Homebrew installs it to `/opt/homebrew/bin/` (Apple Silicon) or `/usr/local/bin/` (Intel) — both are in the fallback lookup chain.
**Bundling the binary (future):**
To ship displayplacer inside the `.app` bundle without requiring Homebrew on venue Macs:
1. Copy the `displayplacer` binary to `resources/bin/displayplacer`
2. Mark it executable: `chmod +x resources/bin/displayplacer`
3. Add to `package.json` `extraResources` so `@electron/packager` includes it
**Optional per-device override (manual tuning):**
For rooms where auto-detection produces the wrong result, store the raw configStr in `event_device.data_json`:
```json
{
"displayplacer_config_extend": "<output of displayplacer list in extended layout>",
"displayplacer_config_mirror": "<output of displayplacer list in mirrored layout>"
}
```
The handler accepts `configStr` and uses it directly, bypassing auto-detection. Pass it from the Svelte call site if needed.
**displayplacer quick reference:**
- `displayplacer list` — prints current display info and a ready-to-run config string at the bottom
- `displayplacer "<display_string>" "<display_string>"` — applies layout
- Mirror syntax: add `mirror_of_display:<primary_uuid>` to the secondary display string
- Extend syntax: set `origin:(<x>,0)` with non-overlapping x offsets per display