feat: implement the production HTTP API

src/session_manager.c

@@ -72,6 +72,19 @@ session_result_t session_manager_resume(session_manager_t *manager, const uint8_
   return SESSION_RESULT_UNAUTHORIZED;
 }
 
+bool session_manager_find(const session_manager_t *manager, const uint8_t token[kSessionTokenBytes],
+                          uint8_t *session_index) {
+  if (manager == NULL || token == NULL || session_index == NULL) return false;
+  for (uint8_t index = 0; index < kSessionCapacity; ++index) {
+    const session_t *session = &manager->entries[index];
+    if (session->occupied && memcmp(session->token, token, kSessionTokenBytes) == 0) {
+      *session_index = index;
+      return true;
+    }
+  }
+  return false;
+}
+
 bool session_manager_disconnect(session_manager_t *manager, uint8_t session_index) {
   if (manager == NULL || session_index >= kSessionCapacity || !manager->entries[session_index].occupied) return false;
   if (manager->entries[session_index].role == ROLE_SPECTATOR) memset(&manager->entries[session_index], 0, sizeof(session_t));