diff --git a/.trellis/tasks/04-17-ops-mvp-4xx-review/task.json b/.trellis/tasks/04-17-ops-mvp-4xx-review/task.json
new file mode 100644
index 0000000..3b5415d
--- /dev/null
+++ b/.trellis/tasks/04-17-ops-mvp-4xx-review/task.json
@@ -0,0 +1,53 @@
+{
+  "id": "ops-mvp-4xx-review",
+  "name": "ops-mvp-4xx-review",
+  "title": "Review and fix OPS MVP 4xx failures",
+  "description": "",
+  "status": "planning",
+  "dev_type": null,
+  "scope": null,
+  "package": null,
+  "priority": "P2",
+  "creator": "Apale",
+  "assignee": "Apale",
+  "createdAt": "2026-04-17",
+  "completedAt": null,
+  "branch": null,
+  "base_branch": "master",
+  "worktree_path": null,
+  "current_phase": 0,
+  "next_action": [
+    {
+      "phase": 1,
+      "action": "brainstorm"
+    },
+    {
+      "phase": 2,
+      "action": "research"
+    },
+    {
+      "phase": 3,
+      "action": "implement"
+    },
+    {
+      "phase": 4,
+      "action": "check"
+    },
+    {
+      "phase": 5,
+      "action": "update-spec"
+    },
+    {
+      "phase": 6,
+      "action": "record-session"
+    }
+  ],
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [],
+  "parent": null,
+  "relatedFiles": [],
+  "notes": "",
+  "meta": {}
+}
\ No newline at end of file
diff --git a/internal/cli/alias.go b/internal/cli/alias.go
index de04c4b..3ab449f 100644
--- a/internal/cli/alias.go
+++ b/internal/cli/alias.go
@@ -74,9 +74,9 @@ func newAliasListCmd() *cobra.Command {
 				}
 				fmt.Fprintf(cmd.OutOrStdout(), "%s  [%s]\n", a.Alias, state)
 				for i, t := range a.Targets {
-					mark := " "
+					mark := "x"
 					if !t.Enabled {
-						mark = "x"
+						mark = " "
 					}
 					fmt.Fprintf(cmd.OutOrStdout(), "  [%s] %d. %s/%s\n", mark, i+1, t.Provider, t.Model)
 				}
diff --git a/internal/proxy/server.go b/internal/proxy/server.go
index 30ece2a..06a0e0a 100644
--- a/internal/proxy/server.go
+++ b/internal/proxy/server.go
@@ -150,12 +150,17 @@ func (s *Server) handleResponses(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "missing model field", http.StatusBadRequest)
 		return
 	}
+	rawModel := aliasName
+	aliasName = normalizeAliasName(aliasName)
+	s.logger.Printf("req=%d incoming model=%q alias=%q stream=%v", reqID, rawModel, aliasName, payload["stream"])
 	alias := s.cfg.FindAlias(aliasName)
 	if alias == nil {
+		s.logger.Printf("req=%d alias lookup failed for model=%q alias=%q", reqID, rawModel, aliasName)
 		http.Error(w, fmt.Sprintf("alias %q not found", aliasName), http.StatusNotFound)
 		return
 	}
 	if !alias.Enabled {
+		s.logger.Printf("req=%d alias=%q disabled", reqID, aliasName)
 		http.Error(w, fmt.Sprintf("alias %q is disabled", aliasName), http.StatusNotFound)
 		return
 	}
@@ -166,6 +171,7 @@ func (s *Server) handleResponses(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 	if len(targets) == 0 {
+		s.logger.Printf("req=%d alias=%q has no enabled targets", reqID, aliasName)
 		http.Error(w, fmt.Sprintf("alias %q has no enabled targets", aliasName), http.StatusFailedDependency)
 		return
 	}
@@ -178,6 +184,7 @@ func (s *Server) handleResponses(w http.ResponseWriter, r *http.Request) {
 			failoverCount++
 			continue
 		}
+		s.logger.Printf("req=%d alias=%s attempt=%d provider=%s remote_model=%s failovers=%d", reqID, aliasName, attempt+1, p.ID, t.Model, failoverCount)
 		// rewrite payload.model for this upstream
 		cloned := cloneMap(payload)
 		cloned["model"] = t.Model
@@ -248,6 +255,7 @@ func (s *Server) tryOnce(
 	}
 	if resp.StatusCode >= 400 {
 		// non-retryable: forward status + body to client
+		s.logger.Printf("alias=%s attempt=%d provider=%s remote_model=%s upstream_status=%d", aliasName, attempt, provider.ID, target.Model, resp.StatusCode)
 		s.writeDebugHeaders(w, aliasName, provider.ID, target.Model, attempt, failoverCount)
 		copyResponseHeaders(w.Header(), resp.Header)
 		w.WriteHeader(resp.StatusCode)
@@ -256,6 +264,7 @@ func (s *Server) tryOnce(
 	}
 
 	// 2xx: start streaming pass-through. From this point no failover is allowed.
+	s.logger.Printf("alias=%s attempt=%d provider=%s remote_model=%s upstream_status=%d", aliasName, attempt, provider.ID, target.Model, resp.StatusCode)
 	s.writeDebugHeaders(w, aliasName, provider.ID, target.Model, attempt, failoverCount)
 	copyResponseHeaders(w.Header(), resp.Header)
 	w.WriteHeader(resp.StatusCode)
@@ -281,6 +290,17 @@ func (s *Server) tryOnce(
 	}
 }
 
+func normalizeAliasName(model string) string {
+	const prefix = "ops/"
+	if strings.HasPrefix(model, prefix) {
+		trimmed := strings.TrimPrefix(model, prefix)
+		if trimmed != "" {
+			return trimmed
+		}
+	}
+	return model
+}
+
 // writeDebugHeaders sets the X-OPS-* debug headers before WriteHeader.
 func (s *Server) writeDebugHeaders(w http.ResponseWriter, alias, provider, remoteModel string, attempt, failoverCount int) {
 	h := w.Header()