feat: Telegram fleet alerts, forge sigil scramble, UI polish, agent ops

- Calibrate: per-event Telegram/SMTP toggles, test notification, chat ID help
- Notify on agent connect/reconnect, offline/hashrate/rejection, forge complete
- Sigil scramble post-forge uniquification and Dispense Reveal ceremony
- Full system check, desktop push, BITS/host-binary persistence, Path Tracer
- Dashboard/Crucible visual polish, haptics, sacred geometry, mobile nav
- README documents alerts, sigil scramble, and pack-usb workflow
- USB bundle repacked via pack-usb.bat (AetherForge.exe + synced agent source)

agent/client/protocol.go

@@ -49,17 +49,6 @@ type AuthResponse struct {
 	Error   string `json:"error"`
 }
 
-type Job struct {
-	ID            string `json:"job_id"`
-	Height        int64  `json:"height"`
-	BlockTemplate string `json:"blocktemplate"`
-	Difficulty    int64  `json:"difficulty"`
-	SeedHash      string `json:"seed_hash"`
-	Target        string `json:"target"`
-	Blob          string `json:"blob"`
-	Algo          string `json:"algo"`
-}
-
 type SharePayload struct {
 	JobID  string `json:"job_id"`
 	Nonce  string `json:"nonce"`