fix: resolve merge conflicts + test build fixes

- config.h: remove duplicate nostr_sync fields
- Makefile: add mint_health stub for test_session_payment_method
- test_tollgate_client_mining: inline market_t stub to avoid dependency cascade
- CMakeLists: add negentropy_adapter.c + esp_littlefs + negentropy REQUIRES

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/unit/stubs/market.h b/tests/unit/stubs/market.h
new file mode 100644
index 0000000..b81564d
--- /dev/null
+++ b/tests/unit/stubs/market.h
@@ -0,0 +1,21 @@
+#ifndef STUBS_MARKET_H
+#define STUBS_MARKET_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct {
+    uint8_t bssid[6];
+    int8_t rssi;
+    uint16_t price_per_step;
+    uint32_t step_size;
+    uint8_t metric;
+    uint8_t mint_hash[4];
+    uint8_t npub_hash[4];
+    int64_t discovered_ms;
+} market_t;
+
+static inline const market_t *market_get(void) { return NULL; }
+static inline int market_find_cheapest(void) { return -1; }
+
+#endif