feat: complete vendor repos, add edge intelligence and WASM modules

- Add 154 missing vendor files (gitignore was filtering them)
  - vendor/midstream: 564 files (was 561)
  - vendor/sublinear-time-solver: 1190 files (was 1039)
- Add ESP32 edge processing (ADR-039): presence, vitals, fall detection
- Add WASM programmable sensing (ADR-040/041) with wasm3 runtime
- Add firmware CI workflow (.github/workflows/firmware-ci.yml)
- Add wifi-densepose-wasm-edge crate for edge WASM modules
- Update sensing server, provision.py, UI components

Co-Authored-By: claude-flow <ruv@ruv.net>

firmware/esp32-csi-node/main/wasm_upload.h

@@ -0,0 +1,27 @@
+/**
+ * @file wasm_upload.h
+ * @brief ADR-040 — HTTP endpoints for WASM module upload and management.
+ *
+ * Registers endpoints on the existing OTA HTTP server (port 8032):
+ *   POST   /wasm/upload   — Upload a .wasm binary (max 128 KB)
+ *   GET    /wasm/list      — List loaded modules with status
+ *   POST   /wasm/start/:id — Start a loaded module
+ *   POST   /wasm/stop/:id  — Stop a running module
+ *   DELETE /wasm/:id       — Unload a module
+ */
+
+#ifndef WASM_UPLOAD_H
+#define WASM_UPLOAD_H
+
+#include "esp_err.h"
+#include "esp_http_server.h"
+
+/**
+ * Register WASM management HTTP endpoints on the given server.
+ *
+ * @param server  HTTP server handle (from OTA init).
+ * @return ESP_OK on success.
+ */
+esp_err_t wasm_upload_register(httpd_handle_t server);
+
+#endif /* WASM_UPLOAD_H */