Add Pool Status action, rename from Stratum Smoke Test

Adds a comprehensive status action showing pool health, connected
miners, block history with chain tags, and debug memory-vs-DB
comparison. Removes the clear-network-orphans action (now handled
automatically by the reconcile loop). Updates manifest description
to accurately reflect capabilities.

manifest.yaml

@@ -148,6 +148,25 @@ backup:
       BACKUP: /mnt/backup
       main: /root/.kamado
 
+actions:
+  stratum-smoke-test:
+    name: "Pool Status"
+    description: "Displays a full status snapshot: Bitcoin Core sync state, ckpool health, connected miners, hashrate, found blocks, and submit-gap diagnostics."
+    warning: ~
+    allowed-statuses:
+      - running
+    implementation:
+      type: script
+  regen-tls-cert:
+    name: "Regenerate TLS Certificate"
+    description: "Clears the current stratum TLS certificate so a fresh one is generated on the next service start. Use this to rotate an expired or untrusted certificate."
+    warning: "Miners connected via TLS will be disconnected on restart and will need to accept or re-pin the new certificate fingerprint."
+    allowed-statuses:
+      - running
+      - stopped
+    implementation:
+      type: script
+
 migrations:
   from:
     "*":