refactor: remove legacy 1m context checkbox

Change-Id: Iead205d3947c3e0bf53f2e44bb75fdfb4ac9a65e
Signed-off-by: Thomas Kosiewski <tk@coder.com>

Author: ThomasK33

src/browser/components/ChatInput/useCreationWorkspace.test.tsx

@@ -301,7 +301,6 @@ function createDraftSettingsHarness(
         model: "gpt-4",
         thinkingLevel: "medium",
         mode: "exec",
-        use1M: false,
         runtimeMode: state.runtimeMode,
         sshHost: state.sshHost,
         trunkBranch: state.trunkBranch,

src/browser/components/ChatMetaSidebar.tsx

@@ -2,7 +2,7 @@ import React from "react";
 import { cn } from "@/common/lib/utils";
 import { usePersistedState } from "@/browser/hooks/usePersistedState";
 import { useWorkspaceUsage } from "@/browser/stores/WorkspaceStore";
-import { use1MContext } from "@/browser/hooks/use1MContext";
+import { useProviderOptions } from "@/browser/hooks/useProviderOptions";
 import { useResizeObserver } from "@/browser/hooks/useResizeObserver";
 import { CostsTab } from "./RightSidebar/CostsTab";
 import { VerticalTokenMeter } from "./RightSidebar/VerticalTokenMeter";
@@ -15,7 +15,8 @@ interface ChatMetaSidebarProps {
 
 const ChatMetaSidebarComponent: React.FC<ChatMetaSidebarProps> = ({ workspaceId, chatAreaRef }) => {
   const usage = useWorkspaceUsage(workspaceId);
-  const [use1M] = use1MContext();
+  const { options } = useProviderOptions();
+  const use1M = options.anthropic?.use1MContext ?? false;
   const chatAreaSize = useResizeObserver(chatAreaRef);
 
   const lastUsage = usage?.usageHistory[usage.usageHistory.length - 1];

src/browser/components/Context1MCheckbox.tsx

@@ -1,7 +1,7 @@
 import React from "react";
 import { usePersistedState } from "@/browser/hooks/usePersistedState";
 import { useWorkspaceUsage } from "@/browser/stores/WorkspaceStore";
-import { use1MContext } from "@/browser/hooks/use1MContext";
+import { useProviderOptions } from "@/browser/hooks/useProviderOptions";
 import { useResizeObserver } from "@/browser/hooks/useResizeObserver";
 import { CostsTab } from "./RightSidebar/CostsTab";
 import { VerticalTokenMeter } from "./RightSidebar/VerticalTokenMeter";
@@ -124,7 +124,8 @@ const RightSidebarComponent: React.FC<RightSidebarProps> = ({
   }, [setSelectedTab, selectedTab]);
 
   const usage = useWorkspaceUsage(workspaceId);
-  const [use1M] = use1MContext();
+  const { options } = useProviderOptions();
+  const use1M = options.anthropic?.use1MContext ?? false;
   const chatAreaSize = useResizeObserver(chatAreaRef);
 
   const baseId = `right-sidebar-${workspaceId}`;

src/browser/components/RightSidebar.tsx

@@ -4,7 +4,7 @@ import { getModelStats } from "@/common/utils/tokens/modelStats";
 import { sumUsageHistory } from "@/common/utils/tokens/usageAggregator";
 import { usePersistedState } from "@/browser/hooks/usePersistedState";
 import { ToggleGroup, type ToggleOption } from "../ToggleGroup";
-import { use1MContext } from "@/browser/hooks/use1MContext";
+import { useProviderOptions } from "@/browser/hooks/useProviderOptions";
 import { supports1MContext } from "@/common/utils/ai/models";
 import { TOKEN_COMPONENT_COLORS } from "@/common/utils/tokens/tokenMeterUtils";
 import { ConsumerBreakdown } from "./ConsumerBreakdown";
@@ -59,7 +59,8 @@ const CostsTabComponent: React.FC<CostsTabProps> = ({ workspaceId }) => {
   const usage = useWorkspaceUsage(workspaceId);
   const consumers = useWorkspaceConsumers(workspaceId);
   const [viewMode, setViewMode] = usePersistedState<ViewMode>("costsTab:viewMode", "session");
-  const [use1M] = use1MContext();
+  const { options } = useProviderOptions();
+  const use1M = options.anthropic?.use1MContext ?? false;
 
   // Check if we have any data to display
   const hasUsageData = usage && usage.usageHistory.length > 0;

src/browser/components/RightSidebar/CostsTab.tsx

@@ -1,6 +1,5 @@
 import { useEffect } from "react";
 import { usePersistedState } from "./usePersistedState";
-import { use1MContext } from "./use1MContext";
 import { useThinkingLevel } from "./useThinkingLevel";
 import { useMode } from "@/browser/contexts/ModeContext";
 import { useModelLRU } from "./useModelLRU";
@@ -27,7 +26,6 @@ export interface DraftWorkspaceSettings {
   model: string;
   thinkingLevel: ThinkingLevel;
   mode: UIMode;
-  use1M: boolean;
 
   // Workspace creation settings (project-specific)
   runtimeMode: RuntimeMode;
@@ -55,7 +53,6 @@ export function useDraftWorkspaceSettings(
   getRuntimeString: () => string | undefined;
 } {
   // Global AI settings (read-only from global state)
-  const [use1M] = use1MContext();
   const [thinkingLevel] = useThinkingLevel();
   const [mode] = useMode();
   const { recentModels } = useModelLRU();
@@ -108,7 +105,6 @@ export function useDraftWorkspaceSettings(
       model,
       thinkingLevel,
       mode,
-      use1M,
       runtimeMode,
       sshHost,
       trunkBranch,

src/browser/hooks/use1MContext.ts

@@ -1,4 +1,3 @@
-import { use1MContext } from "./use1MContext";
 import { useThinkingLevel } from "./useThinkingLevel";
 import { useMode } from "@/browser/contexts/ModeContext";
 import { usePersistedState } from "./usePersistedState";
@@ -21,7 +20,6 @@ function constructSendMessageOptions(
   mode: UIMode,
   thinkingLevel: ThinkingLevel,
   preferredModel: string | null | undefined,
-  use1M: boolean,
   providerOptions: MuxProviderOptions,
   fallbackModel: string
 ): SendMessageOptions {
@@ -40,13 +38,7 @@ function constructSendMessageOptions(
     mode: mode === "exec" || mode === "plan" ? mode : "exec", // Only pass exec/plan to backend
     toolPolicy: modeToToolPolicy(mode),
     additionalSystemInstructions,
-    providerOptions: {
-      ...providerOptions,
-      anthropic: {
-        ...providerOptions.anthropic,
-        use1MContext: use1M,
-      },
-    },
+    providerOptions,
   };
 }
 
@@ -61,7 +53,6 @@ function constructSendMessageOptions(
  * propagate automatically to all components using this hook.
  */
 export function useSendMessageOptions(workspaceId: string): SendMessageOptions {
-  const [use1M] = use1MContext();
   const [thinkingLevel] = useThinkingLevel();
   const [mode] = useMode();
   const { options: providerOptions } = useProviderOptions();
@@ -76,7 +67,6 @@ export function useSendMessageOptions(workspaceId: string): SendMessageOptions {
     mode,
     thinkingLevel,
     preferredModel,
-    use1M,
     providerOptions,
     recentModels[0]
   );

src/browser/hooks/useDraftWorkspaceSettings.ts

@@ -108,12 +108,6 @@ export function getTrunkBranchKey(projectPath: string): string {
   return `trunkBranch:${projectPath}`;
 }
 
-/**
- * Get the localStorage key for the 1M context preference (global)
- * Format: "use1MContext"
- */
-export const USE_1M_CONTEXT_KEY = "use1MContext";
-
 /**
  * Get the localStorage key for the preferred compaction model (global)
  * Format: "preferredCompactionModel"