Add share cards

ckpool/patches/0009-resume-client-diff-on-reconnect.patch

@@ -5,7 +5,7 @@ index a856b3eb..fcb9eb94 100644
 @@ -5477,6 +5477,69 @@ static void update_solo_client(sdata_t *sdata, workbase_t *wb, const int64_t cli
  	stratum_add_send(sdata, json_msg, client_id, SM_UPDATE);
  }
- 
+
 +/* Kamado (patches/0009): restore a reconnecting miner's difficulty and
 + * grant the work it already holds a difficulty grace window.
 + *
@@ -75,17 +75,17 @@ index a856b3eb..fcb9eb94 100644
 @@ -5558,6 +5621,19 @@ out:
  		sdata_t *sdata = ckp->sdata;
  		workbase_t *wb;
- 
+
 +		/* Kamado (patches/0009): pick up where vardiff left off and
 +		 * arm the first-job grace window. Called before any lock is
-+		 * taken here — it acquires the workbase lock itself. */
++		 * taken here, it acquires the workbase lock itself. */
 +		resume_client_diff(ckp, sdata, client);
 +
 +		/* Kamado (patches/0009): mining.set_difficulty must precede
 +		 * the first mining.notify. Upstream sent the job first, so a
 +		 * miner started hashing it at whatever difficulty its firmware
 +		 * defaults to and its early shares came back under the
-+		 * difficulty we had assigned — a burst of "high diff" rejects
++		 * difficulty we had assigned, a burst of "high diff" rejects
 +		 * from every miner on every pool restart. */
 +		stratum_send_diff(sdata, client);
 +
@@ -104,7 +104,7 @@ index a856b3eb..fcb9eb94 100644
 @@ -6567,9 +6641,12 @@ static void update_client(const stratum_instance_t *client, const int64_t client
  {
  	sdata_t *sdata = client->sdata;
- 
+
 +	/* Kamado (patches/0009): difficulty before work, so a client never
 +	 * starts a job without knowing the difficulty it will be judged
 +	 * against. Upstream sent the update first. */
@@ -113,5 +113,5 @@ index a856b3eb..fcb9eb94 100644
  		stratum_send_update(sdata, client_id, true);
 -	stratum_send_diff(sdata, client);
  }
- 
+
  static json_params_t