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_handler.go

@@ -0,0 +1,159 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+	"strings"
+
+	fleetai "crypto-miner-server/internal/ai"
+	"crypto-miner-server/internal/db"
+)
+
+// SeerHandler serves read-only Seer stream and notes APIs.
+type SeerHandler struct {
+	db interface {
+		ListSeerEvents(limit int) ([]db.SeerEventRecord, error)
+		ListSeerNotes(limit int) ([]db.SeerNoteRecord, error)
+		InsertSeerNote(agentID, note, source string) error
+	}
+}
+
+func NewSeerHandler(database interface {
+	ListSeerEvents(limit int) ([]db.SeerEventRecord, error)
+	ListSeerNotes(limit int) ([]db.SeerNoteRecord, error)
+	InsertSeerNote(agentID, note, source string) error
+}) *SeerHandler {
+	return &SeerHandler{db: database}
+}
+
+// GET /api/v1/seer/stream — LLM event stream + persisted notes snapshot.
+func (h *SeerHandler) GetStream(w http.ResponseWriter, r *http.Request) {
+	limit := parseLimit(r, 100)
+	if h.db == nil {
+		writeJSON(w, map[string]interface{}{
+			"events": []db.SeerEventRecord{},
+			"notes":  []db.SeerNoteRecord{},
+		})
+		return
+	}
+	events, err := h.db.ListSeerEvents(limit)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	notes, err := h.db.ListSeerNotes(limit)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	if events == nil {
+		events = []db.SeerEventRecord{}
+	}
+	if notes == nil {
+		notes = []db.SeerNoteRecord{}
+	}
+	writeJSON(w, map[string]interface{}{"events": events, "notes": notes})
+}
+
+// POST /api/v1/seer/stream — append a note (read-only UI; API for scheduler/tests).
+func (h *SeerHandler) PostStream(w http.ResponseWriter, r *http.Request) {
+	h.PostNote(w, r)
+}
+
+func (h *SeerHandler) GetNotes(w http.ResponseWriter, r *http.Request) {
+	if h.db == nil {
+		writeJSON(w, []db.SeerNoteRecord{})
+		return
+	}
+	limit := parseLimit(r, 100)
+	rows, err := h.db.ListSeerNotes(limit)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	if rows == nil {
+		rows = []db.SeerNoteRecord{}
+	}
+	writeJSON(w, rows)
+}
+
+func (h *SeerHandler) PostNote(w http.ResponseWriter, r *http.Request) {
+	if h.db == nil {
+		http.Error(w, "database unavailable", http.StatusServiceUnavailable)
+		return
+	}
+	var body struct {
+		AgentID string `json:"agent_id"`
+		Note    string `json:"note"`
+		Source  string `json:"source"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		http.Error(w, "invalid JSON", http.StatusBadRequest)
+		return
+	}
+	note := strings.TrimSpace(body.Note)
+	if note == "" {
+		http.Error(w, "note required", http.StatusBadRequest)
+		return
+	}
+	source := strings.TrimSpace(body.Source)
+	if source == "" {
+		source = "manual"
+	}
+	if err := h.db.InsertSeerNote(body.AgentID, note, source); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	writeJSON(w, map[string]bool{"ok": true})
+}
+
+// GET /api/v1/seer/tools — documented AI tool-call endpoints.
+func (h *SeerHandler) GetTools(w http.ResponseWriter, _ *http.Request) {
+	writeJSON(w, map[string]interface{}{
+		"tools": []map[string]string{
+			{"name": "spread_route", "method": "POST", "path": "/api/v1/seer/tools/spread_route",
+				"description": "BGP-style minimum-clearance spread routing"},
+			{"name": "graft_strain", "method": "POST", "path": "/api/v1/seer/tools/graft_strain",
+				"description": "Clone winning spread strain onto sibling subnet"},
+			{"name": "fork_onion", "method": "POST", "path": "/api/v1/seer/tools/fork_onion",
+				"description": "Split LOTL tier chain for A/B recovery"},
+		},
+		"catalog": fleetai.SeerToolCatalog,
+	})
+}
+
+func (h *SeerHandler) ToolSpreadRoute(w http.ResponseWriter, r *http.Request) {
+	seerToolStub(w, r, "spread_route")
+}
+
+func (h *SeerHandler) ToolGraftStrain(w http.ResponseWriter, r *http.Request) {
+	seerToolStub(w, r, "graft_strain")
+}
+
+func (h *SeerHandler) ToolForkOnion(w http.ResponseWriter, r *http.Request) {
+	seerToolStub(w, r, "fork_onion")
+}
+
+func seerToolStub(w http.ResponseWriter, r *http.Request, tool string) {
+	var body json.RawMessage
+	if r.Body != nil {
+		_ = json.NewDecoder(r.Body).Decode(&body)
+	}
+	if body == nil {
+		body = json.RawMessage(`{}`)
+	}
+	writeJSON(w, map[string]interface{}{
+		"ok": true, "stub": true, "tool": tool, "received": json.RawMessage(body),
+	})
+}
+
+func parseLimit(r *http.Request, fallback int) int {
+	limit := fallback
+	if raw := r.URL.Query().Get("limit"); raw != "" {
+		if n, err := strconv.Atoi(raw); err == nil && n > 0 {
+			limit = n
+		}
+	}
+	return limit
+}