fix: refine floating workspace controls

Keep ScaleInfo pinned to the map corner and move the centered timeline above collisions, preventing the previous conditional offset from lifting the scale. Remove collapsed Agent rail width reservation and add timeline state transitions.

src/features/workbench/components/workbench-agent-panels.tsx

@@ -36,7 +36,7 @@ export function WorkbenchAgentPanels({
   return (
     <div
       className="pointer-events-none absolute bottom-0 left-0 top-14 z-50 hidden lg:block"
-      style={{ width: panelOpen ? committedWidth : 72 }}
+      style={{ width: panelOpen ? committedWidth : 0 }}
     >
       {panelOpen ? (
         <AgentCommandPanel
@@ -46,7 +46,7 @@ export function WorkbenchAgentPanels({
           onCollapse={onCollapsePanel}
         />
       ) : (
-        <div className="h-full bg-[#e8eef4] px-1.5 pt-5 shadow-[1px_0_0_rgba(15,23,42,0.08)]">
+        <div className="absolute left-3 top-5">
           <AgentCollapsedRail
             personaState={personaState}
             statusLabel={statusLabel}

src/features/workbench/layout/workbench-layout.test.ts

@@ -51,6 +51,15 @@ describe("workbench floating panels", () => {
     ).toEqual({ top: 72, right: 952, bottom: 32, left: 476 });
   });
 
+  it("does not reserve map width for the collapsed Agent launcher", () => {
+    expect(
+      getWorkbenchCameraPadding(1440, {
+        agentOpen: false,
+        conditionOpen: false
+      }).left
+    ).toBe(24);
+  });
+
   it("uses the committed Agent width without exceeding the hard limit", () => {
     expect(
       getWorkbenchCameraPadding(1920, {

src/features/workbench/layout/workbench-layout.ts

@@ -3,7 +3,7 @@ export const WORKBENCH_LAYOUT = {
   desktopMinWidth: 1024,
   persistentConditionMinWidth: 1280,
   wideMinWidth: 1536,
-  collapsedAgentWidth: 72,
+  collapsedAgentWidth: 0,
   maxAgentWidth: 720,
   agentPanelLeftInset: 12,
   conditionPanelRightInset: 64,

src/features/workbench/map-workbench-page.tsx

@@ -32,7 +32,6 @@ import {
 } from "@/features/map/core";
 import { env } from "@/shared/config/env";
 import type { AccessTokenProvider } from "@/shared/auth/keycloak-auth";
-import { cn } from "@/shared/ui/cn";
 import { AgentTaskTicker } from "./components/agent-task-ticker";
 import { MapDevPanel } from "./components/map-dev-panel";
 import { MobileWorkbenchSheet } from "./components/mobile-workbench-sheet";
@@ -41,10 +40,10 @@ import { ScheduledConditionFeed } from "./components/scheduled-condition-feed";
 import { WorkbenchAgentPanels } from "./components/workbench-agent-panels";
 import { OperationalTimeline } from "./operational-timeline/operational-timeline";
 import {
-  canDockMapScaleBesideTimeline,
   createOperationalEvents,
   getOperationalEventSummary,
   OPERATIONAL_TIMELINE_LAYOUT,
+  resolveTimelineScaleLayout,
   type OperationalEvent,
   type OperationalTimelineMode
 } from "./operational-timeline/operational-timeline-model";
@@ -216,11 +215,14 @@ export function MapWorkbenchPage({
     () => getOperationalEventSummary(operationalEvents),
     [operationalEvents]
   );
-  const scaleInfoBesideTimeline = canDockMapScaleBesideTimeline(
+  const timelineScaleLayout = resolveTimelineScaleLayout(
     businessWorkspaceWidth,
     timelineMode,
     timelineVisible
   );
+  const timelineBottom = isLargeScreen
+    ? timelineScaleLayout.timelineBottom
+    : 12;
 
   useEffect(() => {
     setTimelineMode((current) => {
@@ -927,8 +929,8 @@ export function MapWorkbenchPage({
             !timelineVisible
               ? 0
               : !isLargeScreen
-                ? OPERATIONAL_TIMELINE_LAYOUT.mobileSummaryHeight
+                ? OPERATIONAL_TIMELINE_LAYOUT.mobileSummaryHeight + timelineBottom
-                : OPERATIONAL_TIMELINE_LAYOUT[timelineMode].height
+                : OPERATIONAL_TIMELINE_LAYOUT[timelineMode].height + timelineBottom
           }px`
         } as CSSProperties
       }
@@ -975,7 +977,7 @@ export function MapWorkbenchPage({
         onCollapseArtifact={artifactWorkspace.collapseArtifact}
         onDestroyArtifact={artifactWorkspace.destroyArtifact}
         timelineMode={timelineMode}
-        reserveMapScaleSpace={scaleInfoBesideTimeline}
+        timelineBottom={timelineBottom}
         timelineContent={(
           timelineVisible ? <>
             <div className="hidden lg:block">
@@ -1022,17 +1024,17 @@ export function MapWorkbenchPage({
               <ToolbarPanel {...toolbarPanelProps} />
             </div>
             <div
-              className={cn(
+              className="absolute bottom-0 right-0 flex flex-col items-end gap-2"
-                "absolute right-0 flex flex-col items-end gap-2",
+              style={{ bottom: timelineScaleLayout.scaleBottom }}
-                scaleInfoBesideTimeline
-                  ? "bottom-3"
-                  : "bottom-[calc(var(--workbench-timeline-height)+1rem)]"
-              )}
             >
               <div className="flex items-end gap-2 pr-2">
                 <MapZoom mapRef={mapRef} mapReady={mapReady} onHome={fitNetworkBounds} />
               </div>
-              <MapScaleLine mapRef={mapRef} mapReady={mapReady} />
+              <MapScaleLine
+                className="hidden lg:inline-flex"
+                mapRef={mapRef}
+                mapReady={mapReady}
+              />
             </div>
           </div>
         )}

src/features/workbench/operational-timeline/operational-timeline-model.test.ts

@@ -1,9 +1,10 @@
 import { describe, expect, it } from "vitest";
 import type { ScheduledConditionItem } from "../types";
 import {
-  canDockMapScaleBesideTimeline,
+  canCenterTimelineBesideMapScale,
   clusterOperationalEvents,
-  createOperationalEvents
+  createOperationalEvents,
+  resolveTimelineScaleLayout
 } from "./operational-timeline-model";
 
 const workOrder: ScheduledConditionItem = {
@@ -44,9 +45,20 @@ describe("operational timeline model", () => {
     expect(clusters.find((cluster) => cluster.lane === "plan")?.events).toHaveLength(2);
   });
 
-  it("docks scale info beside a floating timeline only when the business area is wide enough", () => {
+  it("keeps a centered timeline beside scale info only when both side margins are wide enough", () => {
-    expect(canDockMapScaleBesideTimeline(2048, "expanded", true)).toBe(true);
+    expect(canCenterTimelineBesideMapScale(2560, "expanded", true)).toBe(true);
-    expect(canDockMapScaleBesideTimeline(1380, "expanded", true)).toBe(false);
+    expect(canCenterTimelineBesideMapScale(2048, "expanded", true)).toBe(false);
-    expect(canDockMapScaleBesideTimeline(1380, "expanded", false)).toBe(true);
+    expect(canCenterTimelineBesideMapScale(1380, "expanded", false)).toBe(true);
+  });
+
+  it("keeps scale info in the map corner and moves the timeline when horizontal space is tight", () => {
+    expect(resolveTimelineScaleLayout(2560, "expanded", true)).toEqual({
+      scaleBottom: 0,
+      timelineBottom: 24
+    });
+    expect(resolveTimelineScaleLayout(2048, "expanded", true)).toEqual({
+      scaleBottom: 0,
+      timelineBottom: 56
+    });
   });
 });

src/features/workbench/operational-timeline/operational-timeline-model.ts

@@ -31,15 +31,22 @@ export type OperationalEventCluster = {
 };
 
 export const OPERATIONAL_TIMELINE_LAYOUT = {
-  compact: { height: 72, maxWidth: 980 },
+  compact: { height: 88, maxWidth: 980 },
   expanded: { height: 240, maxWidth: 1180 },
   summary: { height: 52, maxWidth: 760 },
   mobileSummaryHeight: 48,
   mapScaleSafeWidth: 520,
-  floatingGap: 48
+  floatingGap: 48,
+  edgeInset: 24,
+  scaleCollisionOffset: 56
 } as const;
 
-export function canDockMapScaleBesideTimeline(
+export type TimelineScaleLayout = {
+  scaleBottom: number;
+  timelineBottom: number;
+};
+
+export function canCenterTimelineBesideMapScale(
   businessWorkspaceWidth: number,
   mode: OperationalTimelineMode,
   visible: boolean
@@ -48,8 +55,30 @@ export function canDockMapScaleBesideTimeline(
   const layout = OPERATIONAL_TIMELINE_LAYOUT[mode];
   return businessWorkspaceWidth >=
     layout.maxWidth +
-      OPERATIONAL_TIMELINE_LAYOUT.mapScaleSafeWidth +
+      2 * (
-      OPERATIONAL_TIMELINE_LAYOUT.floatingGap;
+        OPERATIONAL_TIMELINE_LAYOUT.mapScaleSafeWidth +
+        OPERATIONAL_TIMELINE_LAYOUT.floatingGap
+      );
+}
+
+export function resolveTimelineScaleLayout(
+  businessWorkspaceWidth: number,
+  mode: OperationalTimelineMode,
+  visible: boolean
+): TimelineScaleLayout {
+  const scaleClearsCenteredTimeline = canCenterTimelineBesideMapScale(
+    businessWorkspaceWidth,
+    mode,
+    visible
+  );
+
+  return {
+    scaleBottom: 0,
+    timelineBottom:
+      visible && !scaleClearsCenteredTimeline
+        ? OPERATIONAL_TIMELINE_LAYOUT.scaleCollisionOffset
+        : OPERATIONAL_TIMELINE_LAYOUT.edgeInset
+  };
 }
 
 export function createOperationalEvents(items: ScheduledConditionItem[]): OperationalEvent[] {

src/features/workbench/operational-timeline/operational-timeline.tsx

@@ -1,13 +1,14 @@
 import {
   CalendarClock,
   Check,
-  ChevronDown,
-  ChevronUp,
   Clock3,
   OctagonAlert,
+  PanelBottomClose,
+  PanelBottomOpen,
   RotateCcw,
   TriangleAlert
 } from "lucide-react";
+import { AnimatePresence, motion, useReducedMotion } from "motion/react";
 import { cn } from "@/shared/ui/cn";
 import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/shared/ui/tooltip";
 import {
@@ -51,18 +52,24 @@ export function OperationalTimeline({
   onClearSelection,
   onReturnNow
 }: OperationalTimelineProps) {
+  const prefersReducedMotion = useReducedMotion();
   const summary = getOperationalEventSummary(events);
   const clusters = clusterOperationalEvents(events, mobile ? 60 : 10);
   const selectedEvent = events.find((event) => event.id === selectedEventId) ?? null;
   const cursorPosition = getDayPosition(cursorTime);
   const height = mobile ? "100%" : OPERATIONAL_TIMELINE_LAYOUT[mode].height;
+  const sizeTransition = prefersReducedMotion
+    ? { duration: 0 }
+    : { duration: 0.3, ease: [0.22, 1, 0.36, 1] as const };
 
   if (mode === "summary" && !mobile) {
     return (
-      <section
+      <motion.section
         aria-label="运行时间轴摘要"
         className="acrylic-panel flex h-full items-center gap-3 rounded-2xl border px-3 text-slate-900"
-        style={{ height }}
+        initial={false}
+        animate={{ height }}
+        transition={sizeTransition}
       >
         <Clock3 size={15} className="text-blue-600" aria-hidden="true" />
         <span className="text-xs font-semibold">{formatDate(date)}</span>
@@ -80,13 +87,13 @@ export function OperationalTimeline({
           <span className="min-w-0 truncate text-xs text-slate-500">分析视图保持独立时间范围</span>
         )}
         <TimelineActions mode={mode} onModeChange={onModeChange} onReturnNow={onReturnNow} />
-      </section>
+      </motion.section>
     );
   }
 
   return (
     <TooltipProvider delayDuration={180}>
-      <section
+      <motion.section
         aria-label="运行时间轴"
         className={cn(
           "flex min-h-0 flex-col overflow-hidden text-slate-900",
@@ -94,12 +101,14 @@ export function OperationalTimeline({
             ? "surface-reading h-full rounded-t-xl border-t"
             : "acrylic-panel rounded-2xl border"
         )}
-        style={{ height }}
+        initial={false}
+        animate={{ height }}
+        transition={sizeTransition}
       >
         <div
           className={cn(
             "flex shrink-0 items-center gap-3 border-b border-slate-300/70 px-3",
-            mode === "compact" && !mobile ? "h-8" : "h-12"
+            mode === "compact" && !mobile ? "h-10" : "h-12"
           )}
         >
           <div className="flex min-w-0 items-center gap-2">
@@ -124,8 +133,16 @@ export function OperationalTimeline({
           <TimelineActions mode={mode} onModeChange={onModeChange} onReturnNow={onReturnNow} />
         </div>
 
-        {mode === "expanded" || mobile ? (
+        <AnimatePresence initial={false} mode="wait">
-          <div className="grid min-h-0 flex-1 grid-cols-[52px_minmax(0,1fr)] px-3 pb-2 pt-1.5 sm:grid-cols-[76px_minmax(0,1fr)]">
+          {mode === "expanded" || mobile ? (
+          <motion.div
+            key="expanded-timeline"
+            className="grid min-h-0 flex-1 grid-cols-[52px_minmax(0,1fr)] px-3 pb-2 pt-1.5 sm:grid-cols-[76px_minmax(0,1fr)]"
+            initial={prefersReducedMotion ? false : { opacity: 0, y: 5 }}
+            animate={{ opacity: 1, y: 0 }}
+            exit={prefersReducedMotion ? { opacity: 0 } : { opacity: 0, y: -4 }}
+            transition={prefersReducedMotion ? { duration: 0 } : { duration: 0.14 }}
+          >
             <div className="grid grid-rows-[18px_repeat(3,1fr)] pr-2 text-[10px] text-slate-500">
               <span />
               {LANES.map((lane) => (
@@ -150,11 +167,18 @@ export function OperationalTimeline({
                 <span className="absolute -left-1 -top-1 h-2 w-2 rotate-45 bg-blue-500" />
               </div>
             </div>
-          </div>
+          </motion.div>
         ) : (
-          <div className="relative min-h-0 flex-1 px-3">
+          <motion.div
+            key="compact-timeline"
+            className="relative min-h-0 flex-1 px-3"
+            initial={prefersReducedMotion ? false : { opacity: 0, y: 4 }}
+            animate={{ opacity: 1, y: 0 }}
+            exit={prefersReducedMotion ? { opacity: 0 } : { opacity: 0, y: 4 }}
+            transition={prefersReducedMotion ? { duration: 0 } : { duration: 0.14 }}
+          >
             <CompactTimeTicks />
-            <div className="absolute bottom-1 left-3 right-3 top-3.5">
+            <div className="absolute bottom-2 left-3 right-3 top-4">
               <div className="absolute inset-x-0 top-1/2 h-px bg-slate-300" />
               {clusters.map((cluster, index) => (
                 <TimelineMarker
@@ -171,9 +195,10 @@ export function OperationalTimeline({
                 style={{ left: `${cursorPosition}%` }}
               />
             </div>
-          </div>
+          </motion.div>
         )}
-      </section>
+        </AnimatePresence>
+      </motion.section>
     </TooltipProvider>
   );
 }
@@ -316,26 +341,35 @@ function TimelineActions({
   onReturnNow: () => void;
 }) {
   return (
-    <div className="ml-auto flex shrink-0 items-center gap-1">
+    <div className="surface-control ml-auto flex shrink-0 items-center rounded-xl border border-white/70 p-0.5 shadow-[0_4px_14px_rgba(15,23,42,0.08)]">
       <button
         type="button"
         title="返回现在"
         aria-label="返回现在"
         onClick={onReturnNow}
-        className="surface-control grid h-8 w-8 place-items-center rounded-lg border text-slate-500 hover:text-blue-700"
+        className="inline-flex h-7 items-center gap-1.5 rounded-lg px-2 text-[10px] font-medium text-slate-500 transition-colors hover:bg-white/80 hover:text-blue-700"
       >
-        <RotateCcw size={14} aria-hidden="true" />
+        <RotateCcw size={13} aria-hidden="true" />
+        <span className="hidden sm:inline">现在</span>
       </button>
       {onModeChange ? (
-        <button
+        <>
-          type="button"
+          <span className="mx-0.5 h-4 w-px bg-slate-300/80" aria-hidden="true" />
-          title={mode === "expanded" ? "收起时间轴" : "展开时间轴"}
+          <button
-          aria-label={mode === "expanded" ? "收起时间轴" : "展开时间轴"}
+            type="button"
-          onClick={() => onModeChange(mode === "expanded" ? "compact" : "expanded")}
+            title={mode === "expanded" ? "收起时间轴" : "展开时间轴"}
-          className="surface-control grid h-8 w-8 place-items-center rounded-lg border text-slate-500 hover:text-blue-700"
+            aria-label={mode === "expanded" ? "收起时间轴" : "展开时间轴"}
-        >
+            onClick={() => onModeChange(mode === "expanded" ? "compact" : "expanded")}
-          {mode === "expanded" ? <ChevronDown size={15} /> : <ChevronUp size={15} />}
+            className="inline-flex h-7 items-center gap-1.5 rounded-lg px-2 text-[10px] font-medium text-slate-500 transition-colors hover:bg-white/80 hover:text-blue-700"
-        </button>
+          >
+            {mode === "expanded" ? (
+              <PanelBottomClose size={14} aria-hidden="true" />
+            ) : (
+              <PanelBottomOpen size={14} aria-hidden="true" />
+            )}
+            <span>{mode === "expanded" ? "收起" : "展开"}</span>
+          </button>
+        </>
       ) : null}
     </div>
   );

src/features/workbench/workspace/workbench-main-frame.tsx

@@ -1,4 +1,5 @@
 import { ArrowLeft, FileChartColumnIncreasing } from "lucide-react";
+import { AnimatePresence, motion, useReducedMotion } from "motion/react";
 import type { ReactNode } from "react";
 import { cn } from "@/shared/ui/cn";
 import { OPERATIONAL_TIMELINE_LAYOUT } from "../operational-timeline/operational-timeline-model";
@@ -15,7 +16,7 @@ type WorkbenchMainFrameProps = {
   mapOverlay?: ReactNode;
   timelineContent: ReactNode;
   timelineMode: "compact" | "expanded" | "summary";
-  reserveMapScaleSpace: boolean;
+  timelineBottom: number;
   activeArtifact: AnalysisArtifact | null;
   pendingArtifact: AnalysisArtifact | null;
   surfaceMode: WorkbenchSurfaceMode;
@@ -32,7 +33,7 @@ export function WorkbenchMainFrame({
   mapOverlay,
   timelineContent,
   timelineMode,
-  reserveMapScaleSpace,
+  timelineBottom,
   activeArtifact,
   pendingArtifact,
   surfaceMode,
@@ -43,8 +44,12 @@ export function WorkbenchMainFrame({
   onCollapseArtifact,
   onDestroyArtifact
 }: WorkbenchMainFrameProps) {
+  const prefersReducedMotion = useReducedMotion();
   const showMap = surfaceMode !== "focus";
   const showArtifact = activeArtifact && surfaceMode !== "map_only";
+  const timelineTransition = prefersReducedMotion
+    ? { duration: 0 }
+    : { duration: 0.28, ease: [0.22, 1, 0.36, 1] as const };
 
   return (
     <div
@@ -113,18 +118,30 @@ export function WorkbenchMainFrame({
         ) : null}
       </div>
 
-      <div
+      <motion.div
-        className="pointer-events-auto absolute bottom-3 left-3 z-40 mx-auto min-h-0"
+        className="pointer-events-auto absolute left-3 z-40 mx-auto min-h-0"
-        style={{
+        initial={false}
+        animate={{
+          bottom: timelineBottom,
           maxWidth: OPERATIONAL_TIMELINE_LAYOUT[timelineMode].maxWidth,
-          right: reserveMapScaleSpace
+          right: 12
-            ? OPERATIONAL_TIMELINE_LAYOUT.mapScaleSafeWidth +
-              OPERATIONAL_TIMELINE_LAYOUT.floatingGap
-            : 12
         }}
+        transition={timelineTransition}
       >
-        {timelineContent}
+        <AnimatePresence initial={false}>
-      </div>
+          {timelineContent ? (
+            <motion.div
+              key="operational-timeline"
+              initial={prefersReducedMotion ? false : { opacity: 0, y: 14, scale: 0.985 }}
+              animate={{ opacity: 1, y: 0, scale: 1 }}
+              exit={prefersReducedMotion ? { opacity: 0 } : { opacity: 0, y: 12, scale: 0.985 }}
+              transition={timelineTransition}
+            >
+              {timelineContent}
+            </motion.div>
+          ) : null}
+        </AnimatePresence>
+      </motion.div>
     </div>
   );
 }