feat: claude-opus defaults to xhigh effort everywhere

opus's registry default_effort low → xhigh, so every dispatch that selects opus
without a declared effort (kanban, shuttle-ctl, capture) runs at xhigh. Single
source of truth: share/agents.json; Go embed regenerated; tests updated.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Bu7hkSqWLKjpnBkQCBNaGr

Author: cailmdaley

pkg/schema/agents_embedded.go

@@ -25,7 +25,7 @@ var embeddedAgentJSON = []byte(`
     "model": "opus",
     "extra_flags": "--permission-mode auto",
     "effort_levels": ["low", "medium", "high", "xhigh", "max"],
-    "default_effort": "low",
+    "default_effort": "xhigh",
     "chrome_capable": true,
     "cost_class": "premium",
     "aliases": [],

pkg/schema/axes_test.go

@@ -26,8 +26,9 @@ func TestResolve_BareClaudeUsesRegistryDefaultEffort(t *testing.T) {
 	if base.ID != "claude-opus" {
 		t.Fatalf("base = %q, want claude-opus", base.ID)
 	}
-	if eff.Effort != "low" || eff.Chrome {
-		t.Fatalf("expected effort=low and chrome=false, got %+v", eff)
+	// claude-opus's registry default_effort is xhigh.
+	if eff.Effort != "xhigh" || eff.Chrome {
+		t.Fatalf("expected effort=xhigh and chrome=false, got %+v", eff)
 	}
 }
 

share/agents.json

@@ -19,7 +19,7 @@
     "model": "opus",
     "extra_flags": "--permission-mode auto",
     "effort_levels": ["low", "medium", "high", "xhigh", "max"],
-    "default_effort": "low",
+    "default_effort": "xhigh",
     "chrome_capable": true,
     "cost_class": "premium",
     "aliases": [],

test/shuttle/dispatcher_test.exs

@@ -584,9 +584,10 @@ defmodule Shuttle.DispatcherTest do
   end
 
   test "claude with no declared effort renders the registry default" do
+    # claude-opus's registry default_effort is xhigh.
     {:ok, agent} = Agents.resolve_with_axes("claude-opus", nil, false)
     cmd = Agents.build_command(agent, "hi")
-    assert cmd =~ "--effort 'low'"
+    assert cmd =~ "--effort 'xhigh'"
     refute cmd =~ "--chrome"
   end
 

ui/src/forms/CaptureForm.tsx

@@ -39,10 +39,10 @@ const FALLBACK_AGENTS: AgentEntry[] = [
 
 // Capture's default worker: claude-opus at xhigh reasoning. A captured yap is
 // often a real piece of thinking to crystallize, not throwaway — worth the
-// strong model. Effort is seeded here rather than taking opus's registry
-// default_effort so the global opus default (used by kanban/CLI dispatch) is
-// untouched; switching the agent in the form falls back to that agent's own
-// default_effort.
+// strong model. opus's registry default_effort is now xhigh too, so the live
+// agents list yields the same; this seed just keeps the dialog correct before
+// the registry loads (offline fallback). Switching the agent re-derives effort
+// from that agent's own default_effort.
 const CAPTURE_DEFAULT_AGENT = 'claude-opus'
 const CAPTURE_DEFAULT_EFFORT = 'xhigh'