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Lumotia/docs/handovers/HANDOVER-2026-04-18.md
Jake 26c7307607
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agent: lumotia-rebrand — docs, scripts, root config, residuals 
Phase 9 of the rebrand cascade. Sweep covers everything the Phase 8
frontend pass deliberately skipped: docs/, root markdown, scripts,
Cargo.toml descriptions, code comments that survived earlier
word-boundary sed, plus a handful of identifiers caught on the final
verify pass.

transcription-app changes:
- README.md, HANDOVER.md, KNOWN-ISSUES.md, run.sh — magnotia/Magnotia
  -> lumotia/Lumotia.
- docs/ — sweep across all subdirs except docs/handovers/ (preserved
  as immutable audit trail). Includes architecture-map references
  to magnotia_core::*, magnotia_storage::*, etc. now pointing at
  lumotia_*; dev-setup.md tracing output examples (lumotia_startup
  target); brief/ + superpowers/ + issues/ + whisper-ecosystem/ +
  audit/.
- Cargo.toml descriptions on 9 crates (core, audio, cloud-providers,
  hotkey, llm, mcp, plus referenced others).
- crates/core/src/{error,hardware,recommendation,paths}.rs +
  crates/audio/src/wav.rs + crates/llm/src/model_manager.rs +
  crates/cloud-providers/src/keystore.rs + crates/mcp/src/lib.rs —
  doc comments and a model-manager user-agent string.
- Caught on final pass: BroadcastChannel("magnotia_task_sync") -> ...
  ("lumotia_task_sync"); magnotia_locale i18n localStorage key
  renamed + migration shim added; CSS keyframe names
  magnotiaPulse / magnotiaBar / magnotiaFade renamed in the design-
  system kit; magnotia_viewer_item / magnotia_viewer_mode handoff
  keys renamed in HistoryPage + viewer/+page.svelte; src/assets/
  wordmark.svg text.
- src-tauri/src/lib.rs comment cleanup ("magnotia era" was sed'd
  to "lumotia era" earlier — restored).

Preserved (intentional):
- crates/core/src/paths.rs — keeps "magnotia" / "Magnotia" / ".magnotia"
  legacy detection strings in legacy_and_target_paths() so the
  migration shim can still find user data from the magnotia era.
- src/lib/stores/{page,focusTimer}.svelte.ts + src/lib/i18n/index.ts
  — migration call sites reference the legacy magnotia keys
  deliberately.
- docs/handovers/ — historical audit trail.

cargo build --workspace passes. npm run check: 0 errors / 0 warnings
(3958 files). cargo test --workspace: 339 pass / 0 fail.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 12:38:03 +01:00

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name, type, tags, description
name type tags description
handover-2026-04-18 reference
handover
session
lumotia
Session handover — 2026/04/18 dogfooding sprint

Lumotia Handover — 2026/04/18

Originally written when the product was named Kon (and briefly Corbie); references rewritten in the 2026-04-30 rebrand sweep.

Current state

Phase 1 brand migration and Phase 2 polish are both complete and committed. Today was the first dogfood attempt — Vulkan GPU build is in progress but not yet confirmed working. Three bugs were caught and fixed during the first launch attempt.

What's working

  • 18/18 automated validation checks pass (Playwright, python3 /tmp/lumotia_validation.py)
  • Pre-warm fixed — tauri::async_runtime::spawn instead of tokio::spawn; model loads in background before first dictation
  • Preferences infinite loop fixed — Object.assign mutation instead of object reassignment; Svelte 5 module state now stable
  • DOM hydration fixed — applyToDOM called on store init so data-theme is always set, even without Tauri webview injection
  • Vulkan feature flag committed — whisper-vulkan in crates/transcription/Cargo.toml
  • docs/dev-setup.md — authoritative dependency and launch reference

What's left

Immediate — Vulkan GPU build

Vulkan build was not yet confirmed. Three system packages needed before it will compile:

sudo dnf install vulkan-headers vulkan-loader-devel glslc

Then launch:

cd /home/jake/Documents/CORBEL-Projects/lumotia
LIBCLANG_PATH=/usr/lib64/llvm21/lib64 npm run tauri dev

Confirm GPU active in startup logs:

whisper_backend_init_gpu: device 0: NVIDIA GeForce RTX 4070

Manual validation (requires running app)

Three items from the validation checklist that need real Tauri runtime:

  • Persistence test — set non-default zone/font, close, relaunch, verify zero flash
  • Cross-window preferences — open float/viewer windows, check they hydrate correctly
  • 90-second onboarding — fresh-model launch, first dictation under 90s

Pre-release (before any build beyond Jake's machine)

  • Updater signing key — tauri signer generate, public key → tauri.conf.json, private key → CI secrets
  • ggml dedup — plan at docs/superpowers/plans/2026-04-18-lumotia-ggml-dedup.md, Option A (system-ggml shared lib), execute at Phase 3

Gotchas discovered today

Issue Fix
libclang not on PATH set -Ux LIBCLANG_PATH /usr/lib64/llvm21/lib64
tokio::spawn panics in Tauri setup() Use tauri::async_runtime::spawn — Tokio runtime isn't live yet during setup
Svelte 5 $effect infinite loop on updatePreferences Module-level $state must be mutated (Object.assign), never reassigned — stale references break loop guards
Duplicate theme sync $effect in both +layout.svelte and SettingsPage.svelte Removed from SettingsPage — layout handles it
Vulkan build needs dev headers + shader compiler sudo dnf install vulkan-headers vulkan-loader-devel glslc

Resume prompt

Picking up Lumotia dogfooding from the 2026/04/18 session.
HANDOVER is at HANDOVER.md in the project root.
First job: confirm Vulkan GPU build compiles and check startup logs for RTX 4070.
Then run the three manual validation items from the handover.
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