Changeset 0.22.3 (#97)

server/handlers/capabilities.go

@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"context"
 	"encoding/json"
 	"log"
 	"net/http"
@@ -9,6 +10,7 @@ import (
 
 	capspkg "git.gobha.me/xcaliber/chat-switchboard/capabilities"
 	"git.gobha.me/xcaliber/chat-switchboard/database"
+	"git.gobha.me/xcaliber/chat-switchboard/health"
 	"git.gobha.me/xcaliber/chat-switchboard/models"
 	"git.gobha.me/xcaliber/chat-switchboard/providers"
 	"git.gobha.me/xcaliber/chat-switchboard/store"
@@ -16,13 +18,19 @@ import (
 
 // ModelHandler provides the unified models endpoint.
 type ModelHandler struct {
-	stores store.Stores
+	stores      store.Stores
+	healthStore HealthStatusQuerier // provider health for status enrichment (v0.22.3, nil = disabled)
 }
 
 func NewModelHandler(s store.Stores) *ModelHandler {
 	return &ModelHandler{stores: s}
 }
 
+// SetHealthStore attaches the health store for model status enrichment (v0.22.3).
+func (h *ModelHandler) SetHealthStore(hs HealthStatusQuerier) {
+	h.healthStore = hs
+}
+
 // ListEnabledModels returns all models the user can access (catalog + personas),
 // with user preferences (hidden, sort order) applied.
 func (h *ModelHandler) ListEnabledModels(c *gin.Context) {
@@ -35,12 +43,35 @@ func (h *ModelHandler) ListEnabledModels(c *gin.Context) {
 		return
 	}
 
+	// Enrich with provider health status (v0.22.3)
+	if h.healthStore != nil {
+		healthMap := h.buildHealthMap(c.Request.Context())
+		for i := range userModels {
+			if s, ok := healthMap[userModels[i].ProviderConfigID]; ok {
+				userModels[i].ProviderStatus = s
+			}
+		}
+	}
+
 	// Include admin default model so frontend can use it in resolution chain
 	defaultModel, _ := h.stores.Policies.Get(c.Request.Context(), "default_model")
 
 	c.JSON(http.StatusOK, gin.H{"models": userModels, "default_model": defaultModel})
 }
 
+// buildHealthMap returns a map of configID → ProviderStatus from current health windows.
+func (h *ModelHandler) buildHealthMap(ctx context.Context) map[string]models.ProviderStatus {
+	m := make(map[string]models.ProviderStatus)
+	windows, err := h.healthStore.ListAllCurrent(ctx)
+	if err != nil {
+		return m
+	}
+	for _, w := range windows {
+		m[w.ProviderConfigID] = health.DeriveStatus(w.ErrorRate(), w.RequestCount)
+	}
+	return m
+}
+
 // ResolveModelCaps is the canonical capability resolver for any model.
 func ResolveModelCaps(c *gin.Context, modelID, configID string) models.ModelCapabilities {
 	// 1. Exact match: model_id + provider_config_id