refactor: remove agent mode switch and streamline local agent usage in the canvas assistant panel

web/src/pages/canvas/project.tsx

@@ -45,7 +45,6 @@ import { useCanvasAgentStore } from "@/stores/canvas/use-canvas-agent-store";
 import { useCanvasStore } from "@/stores/canvas/use-canvas-store";
 import { applyCanvasAgentOps, type CanvasAgentOp, type CanvasAgentSnapshot } from "@/lib/canvas/canvas-agent-ops";
 import { buildCanvasResourceReferences, buildNodeMentionReferences } from "@/lib/canvas/canvas-resource-references";
-import type { CanvasAgentMode } from "@/components/canvas/canvas-agent-chat-ui";
 import {
     CanvasNodeType,
     type CanvasAssistantImage,
@@ -304,7 +303,6 @@ function InfiniteCanvasPage() {
     const [assistantCollapsed, setAssistantCollapsed] = useState(true);
     const [assistantMounted, setAssistantMounted] = useState(false);
     const [assistantClosing, setAssistantClosing] = useState(false);
-    const [agentMode, setAgentMode] = useState<CanvasAgentMode>("online");
     const [agentUndoSnapshot, setAgentUndoSnapshot] = useState<CanvasAgentSnapshot | null>(null);
     const codexAutoConnect = ["new", "recent", "choose"].includes(searchParams.get("mode") || "");
     const codexCompactAgent = codexAutoConnect && searchParams.has("agentUrl");
@@ -432,11 +430,7 @@ function InfiniteCanvasPage() {
 
     useEffect(() => {
         if (!projectLoaded || !["new", "recent", "choose"].includes(searchParams.get("mode") || "")) return;
-        if (searchParams.has("agentUrl")) {
-            setAgentMode("local");
-            return;
-        }
-        openAgent("local");
+        if (!searchParams.has("agentUrl")) openAgent();
     }, [projectLoaded, searchParams]);
 
     useEffect(() => {
@@ -2465,12 +2459,11 @@ function InfiniteCanvasPage() {
     );
 
     const assistantOpen = assistantMounted && !assistantCollapsed;
-    const openAgent = (mode: CanvasAgentMode = agentMode) => {
+    const openAgent = () => {
         if (agentCloseTimerRef.current) {
             clearTimeout(agentCloseTimerRef.current);
             agentCloseTimerRef.current = null;
         }
-        setAgentMode(mode);
         setAssistantMounted(true);
         setAssistantClosing(false);
         setAssistantCollapsed(false);
@@ -2806,8 +2799,6 @@ function InfiniteCanvasPage() {
                     canUndoOps={Boolean(agentUndoSnapshot)}
                     onUndoOps={undoAgentOps}
                     onPasteImage={pasteAssistantImage}
-                    agentMode={agentMode}
-                    onAgentModeChange={setAgentMode}
                     autoConnectLocal={codexAutoConnect}
                     closing={assistantClosing}
                     onCollapse={closeAgent}