wrote revised library skeleton

clerk.go

@@ -1 +1,62 @@
 package prism
+
+import (
+	"context"
+	"git.wisehodl.dev/jay/go-honeybee"
+	"log/slog"
+	"sync"
+	"time"
+)
+
+// ----------------------------------------------------------------------------
+// Types
+// ----------------------------------------------------------------------------
+
+// Letters
+
+type InboundLetter struct {
+	ID   string
+	Data Envelope
+	At   time.Time
+}
+
+// Clerk
+
+type Clerk struct {
+	inbox <-chan honeybee.InboxMessage
+
+	// wiring phase
+	mu      sync.Mutex
+	started bool
+	pending []clerkSub
+	known   map[string]struct{}
+
+	// runtime phase
+	routes clerkRoutes
+
+	ctx    context.Context
+	cancel context.CancelFunc
+	wg     sync.WaitGroup
+	logger *slog.Logger
+}
+
+type clerkSub struct {
+	ch     chan InboundLetter
+	labels map[string]struct{}
+}
+
+type clerkRoutes = map[string][]chan InboundLetter
+
+// ----------------------------------------------------------------------------
+// Clerk
+// ----------------------------------------------------------------------------
+
+func NewClerk() *Clerk {
+	return nil
+}
+
+func (c *Clerk) Subscribe() {}
+
+func (c *Clerk) Start() {}
+
+func (c *Clerk) Close() {}