feat(espnow): Pi bridge client, binary wire, and espnow-sender firmware

Replace serial/Wi-Fi driver transport paths with WebSocket bridge client,
binary espnow_wire delivery, device announce registry, and restructured
espnow-sender (AP + broadcast passthrough). Includes docs and tests.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
2026-05-23 22:44:44 +12:00
parent f4ef85c182
commit 4fc3f46866
42 changed files with 4167 additions and 848 deletions

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