Revert "feat: 把 A 端的 Session/KCP/视频/控制 都收口到一个本地 daemon 进程里，Django 和输入发送端都改成通过本机 UDS HTTP 去访问它，同时补齐了观测、性能和可用性上的几个关键问题。"

This reverts commit 2f2c2008e7.

python/omnisocket/omnisocket_client.h

@@ -14,33 +14,6 @@ typedef struct omnisocket_session_stats {
     int connected;
 } omnisocket_session_stats_t;
 
-typedef struct omnisocket_session_kcp_metrics {
-    int connected;
-    int has_conv;
-    uint32_t conv;
-    char local_addr[OMNI_MAX_ADDR_TEXT];
-    char remote_addr[OMNI_MAX_ADDR_TEXT];
-    uint32_t rto_ms;
-    int32_t srtt_ms;
-    int32_t srttvar_ms;
-    uint64_t bytes_sent;
-    uint64_t bytes_received;
-    uint64_t in_pkts;
-    uint64_t out_pkts;
-    uint64_t in_segs;
-    uint64_t out_segs;
-    uint64_t retrans_segs;
-    uint64_t fast_retrans_segs;
-    uint64_t early_retrans_segs;
-    uint64_t lost_segs;
-    uint64_t repeat_segs;
-    uint64_t in_errs;
-    uint64_t kcp_in_errs;
-    uint64_t ring_buffer_snd_queue;
-    uint64_t ring_buffer_rcv_queue;
-    uint64_t ring_buffer_snd_buffer;
-} omnisocket_session_kcp_metrics_t;
-
 typedef struct omnisocket_session {
     pthread_mutex_t mutex;
     pthread_cond_t idle_cond;
@@ -74,9 +47,5 @@ int omnisocket_session_recv_into(
     int timeout_ms
 );
 void omnisocket_session_stats_snapshot(omnisocket_session_t *session, omnisocket_session_stats_t *out_stats);
-int omnisocket_session_kcp_metrics_snapshot(
-    omnisocket_session_t *session,
-    omnisocket_session_kcp_metrics_t *out_metrics
-);
 
 #endif