## Summary
Extends the customizer v2 export/import to include favorite nodes and
claimed ("My Mesh") nodes, so users can transfer their full setup
between browsers/devices.
## Changes
### `public/customize-v2.js`
- `readOverrides()` now merges `favorites` (from `meshcore-favorites`)
and `myNodes` (from `meshcore-my-nodes`) into the exported JSON
- `writeOverrides()` extracts `favorites`/`myNodes` arrays and writes
them to their respective localStorage keys, keeping theme overrides
separate
- `validateShape()` validates both new keys as arrays, rejecting
non-array values
- `VALID_SECTIONS` updated to include `favorites` and `myNodes`
### `test-customizer-v2.js`
- 8 new tests covering read/write/validate for both favorites and
myNodes
## TDD
- Red commit: `0405fb7` (failing tests)
- Green commit: `bb9dc34` (implementation)
Fixes#895
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Co-authored-by: you <you@example.com>
Kpa-clawbot
8dfcec2ff3
