Implement fleet topology epidemiology tracker and strain plague map.

Adds epidemiology package, auth epidemiology_fix push, strain-based 3D map, and Vitest coverage.

server/internal/api/seer_bridge.go

@@ -0,0 +1,66 @@
+package api
+
+import (
+	fleetai "crypto-miner-server/internal/ai"
+	dbpkg "crypto-miner-server/internal/db"
+)
+
+// SeerBridge wires fleet AI scheduler memory + LLM payload streaming.
+type SeerBridge struct {
+	DB  *dbpkg.Database
+	Hub *WSHub
+}
+
+func (b *SeerBridge) NotesForPrompt(agentID string) string {
+	if b == nil || b.DB == nil {
+		return ""
+	}
+	rows, err := b.DB.ListSeerNotesForPrompt(agentID, 32)
+	if err != nil || len(rows) == 0 {
+		return ""
+	}
+	lines := make([]string, 0, len(rows))
+	for _, n := range rows {
+		if n.Note != "" {
+			lines = append(lines, n.Note)
+		}
+	}
+	return fleetai.FormatSeerNotesBlock(lines)
+}
+
+func (b *SeerBridge) AppendNote(agentID, content, promptHash string) error {
+	if b == nil || b.DB == nil || content == "" {
+		return nil
+	}
+	source := promptHash
+	if source == "" {
+		source = "ai_scheduler"
+	}
+	if err := b.DB.InsertSeerNote(agentID, content, source); err != nil {
+		return err
+	}
+	if b.Hub != nil {
+		b.Hub.BroadcastSeerNotesUpdated(map[string]string{
+			"agent_id": agentID,
+			"note":     content,
+			"source":   source,
+		})
+	}
+	return nil
+}
+
+func (b *SeerBridge) EmitEvent(agentID, direction string, payload interface{}) {
+	if b == nil {
+		return
+	}
+	eventType := "llm_" + direction
+	body := map[string]interface{}{
+		"direction": direction,
+		"payload":   payload,
+	}
+	emitter := &HubSeerEmitter{Hub: b.Hub, DB: b.DB}
+	_ = emitter.EmitSeerEvent(eventType, agentID, body)
+}
+
+// Compile-time check.
+var _ fleetai.SeerBridge = (*SeerBridge)(nil)