docs(proxy): tighten AX-oriented comments

Co-Authored-By: Virgil <virgil@lethean.io>

stats.go

@@ -6,8 +6,6 @@ import (
 	"time"
 )
 
-// Stats tracks proxy-wide counters and rolling hashrate windows.
-//
 // stats := proxy.NewStats()
 // bus.Subscribe(proxy.EventAccept, stats.OnAccept)
 // bus.Subscribe(proxy.EventReject, stats.OnReject)
@@ -29,9 +27,6 @@ type Stats struct {
 	mu          sync.Mutex
 }
 
-// HashrateWindow60s selects the 60-second hashrate window.
-//
-// proxy.HashrateWindow60s
 const (
 	HashrateWindow60s   = 0 // 1 minute
 	HashrateWindow600s  = 1 // 10 minutes
@@ -50,8 +45,6 @@ type tickWindow struct {
 	size    int // window size in seconds = len(buckets)
 }
 
-// StatsSummary is the serialisable snapshot returned by Stats.Summary().
-//
 // summary := proxy.NewStats().Summary()
 type StatsSummary struct {
 	Accepted        uint64                           `json:"accepted"`

worker.go

@@ -5,8 +5,6 @@ import (
 	"time"
 )
 
-// Workers tracks per-worker aggregates derived from miner login fields.
-//
 // workers := proxy.NewWorkers(proxy.WorkersByRigID, bus)
 // workers.OnLogin(proxy.Event{Miner: &proxy.Miner{rigID: "rig-alpha", user: "WALLET", ip: "10.0.0.1"}})
 // _ = workers.List()
@@ -19,8 +17,6 @@ type Workers struct {
 	mu         sync.RWMutex
 }
 
-// WorkerRecord is the aggregate row returned by `Workers.List()`.
-//
 // record := proxy.WorkerRecord{Name: "rig-alpha"}
 // _ = record.Hashrate(60)
 type WorkerRecord struct {