Implement Smart Timers, Power & Water Schedule Dashboard, and tighten UI layout spacing

src/App.tsx

@@ -20,6 +20,7 @@ import { LoginModal } from './auth/LoginModal';
 import { ToastContainer, addToast } from './components/Toast';
 import { useSaveStatus } from './store/saveStatusStore';
 import { TestimonialScroller } from './components/TestimonialScroller';
+import { ScheduleDashboard } from './components/ScheduleDashboard';
 
 /** Restore the autosaved design, or seed the demo system on first visit. */
 /** Restore the autosaved design, or seed the demo system on first visit. */
@@ -206,6 +207,7 @@ function BuilderApp() {
   const activeRoomId = useBuilder((s) => s.activeRoomId);
   const sim = useSimulation();
   const [bomOpen, setBomOpen] = useState(false);
+  const [dashboardOpen, setDashboardOpen] = useState(false);
   const [checkFindings, setCheckFindings] = useState<Finding[] | null>(null);
 
   const roomParts = useMemo(() => {
@@ -384,7 +386,11 @@ function BuilderApp() {
 
   return (
     <div className="flex h-screen flex-col bg-zinc-950 text-zinc-100 select-none">
-      <Toolbar onOpenBom={() => setBomOpen(true)} onCheckBuild={runDesignCheck} />
+      <Toolbar 
+        onOpenBom={() => setBomOpen(true)} 
+        onCheckBuild={runDesignCheck} 
+        onOpenDashboard={() => setDashboardOpen(true)} 
+      />
       <div className="flex min-h-0 flex-1">
         <PartLibrary />
         <main
@@ -443,6 +449,7 @@ function BuilderApp() {
       </div>
       <StatusPanel />
       {bomOpen && <BomPanel onClose={() => setBomOpen(false)} />}
+      {dashboardOpen && <ScheduleDashboard onClose={() => setDashboardOpen(false)} />}
       {checkFindings && (
         <DesignCheckPanel
           findings={checkFindings}

src/components/PartLibrary.tsx

@@ -52,7 +52,7 @@ export function PartLibrary() {
 
   return (
     <aside className="flex w-56 shrink-0 flex-col border-r border-zinc-800 bg-zinc-950/80 backdrop-blur">
-      <div className="border-b border-zinc-800 px-4 py-3">
+      <div className="border-b border-zinc-800 px-3.5 py-2">
         <h2 className="text-xs font-semibold tracking-widest text-zinc-400 uppercase">
           Parts Library
         </h2>
@@ -60,14 +60,14 @@ export function PartLibrary() {
           Click then place in scene, or drag onto the canvas. Shift-click to stamp copies.
         </p>
       </div>
-      <div className="px-3 pt-2">
+      <div className="px-3 pt-1.5">
         <div className="relative">
           <input
             type="text"
             value={search}
             onChange={(e) => setSearch(e.target.value)}
             placeholder="Search parts…"
-            className="w-full rounded-md border border-zinc-800 bg-zinc-900 px-2.5 py-1.5 text-xs text-zinc-200 placeholder:text-zinc-600 outline-none focus:border-zinc-600 focus:ring-1 focus:ring-zinc-700"
+            className="w-full rounded border border-zinc-800 bg-zinc-900 px-2 py-1 text-xs text-zinc-200 placeholder:text-zinc-600 outline-none focus:border-zinc-600 focus:ring-1 focus:ring-zinc-700"
           />
           {search && (
             <button
@@ -79,10 +79,10 @@ export function PartLibrary() {
           )}
         </div>
       </div>
-      <div className="flex-1 overflow-y-auto px-3 py-2">
+      <div className="flex-1 overflow-y-auto px-3 py-1.5">
         {filteredHotbar.length > 0 && (
-          <div className="mb-4">
-            <h3 className="px-1 py-1.5 text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
+          <div className="mb-3">
+            <h3 className="px-1 py-1 text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
               Tool Belt
             </h3>
             <div className="grid grid-cols-3 gap-1.5">
@@ -100,8 +100,8 @@ export function PartLibrary() {
           </div>
         )}
         {filteredQuickBuilds.length > 0 && (
-          <div className="mb-4">
-            <h3 className="px-1 py-1.5 text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
+          <div className="mb-3">
+            <h3 className="px-1 py-1 text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
               Quick Builds
             </h3>
             <div className="grid gap-1.5">
@@ -117,8 +117,8 @@ export function PartLibrary() {
           </div>
         )}
         {filteredCategories.map((cat) => (
-          <div key={cat.name} className="mb-3">
-            <h3 className="px-1 py-1.5 text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
+          <div key={cat.name} className="mb-2.5">
+            <h3 className="px-1 py-1 text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
               {cat.name}
             </h3>
             <div className="grid grid-cols-2 gap-1.5">
@@ -151,7 +151,7 @@ function QuickBuildButton({
     <button
       onClick={onClick}
       title={description}
-      className="flex items-center justify-between gap-2 rounded-lg border border-zinc-800 bg-zinc-900/60 px-3 py-2 text-left text-zinc-200 transition hover:border-emerald-500/60 hover:bg-emerald-500/10 hover:text-emerald-100"
+      className="flex items-center justify-between gap-2 rounded border border-zinc-800 bg-zinc-900/60 px-2 py-1 text-left text-zinc-200 transition hover:border-emerald-500/60 hover:bg-emerald-500/10 hover:text-emerald-100"
     >
       <span className="min-w-0">
         <span className="block text-[12px] leading-tight font-semibold">{label}</span>
@@ -191,12 +191,12 @@ function LibraryItem({
           ? `${def.description} — click again to cancel${badge ? ` (${badge})` : ''}`
           : `${def.description}${badge ? ` (${badge})` : ''}`
       }
-      className={`group relative flex flex-col items-center gap-1 rounded-lg border px-1.5 text-center transition
+      className={`group relative flex flex-col items-center gap-1 rounded border px-1 text-center transition
         ${
           active
             ? 'border-sky-400 bg-sky-500/15 text-sky-300 shadow-[0_0_10px_-2px_rgba(56,189,248,0.6)] ring-1 ring-sky-400/40'
             : 'border-zinc-800 bg-zinc-900/60 text-zinc-300 hover:border-zinc-600 hover:bg-zinc-800/80'
-        } ${compact ? 'py-1.5' : 'py-2'}`}
+        } ${compact ? 'py-1' : 'py-1.5'}`}
     >
       {badge && (
         <span className="absolute top-1 left-1 rounded bg-zinc-950/90 px-1 py-0.5 text-[9px] font-bold leading-none text-zinc-400 ring-1 ring-zinc-800">
@@ -205,11 +205,11 @@ function LibraryItem({
       )}
       <PartIcon
         type={type}
-        className={`${compact ? 'h-7 w-7' : 'h-9 w-9'} transition-transform duration-150 group-hover:scale-110 ${
+        className={`${compact ? 'h-6 w-6' : 'h-8 w-8'} transition-transform duration-150 group-hover:scale-110 ${
           active ? 'scale-110 drop-shadow-[0_0_4px_rgba(56,189,248,0.5)]' : ''
         }`}
       />
-      <span className={`w-full font-medium break-words ${compact ? 'text-[10px]' : 'text-[11px] leading-tight'}`}>
+      <span className={`w-full font-medium break-words ${compact ? 'text-[9px]' : 'text-[10px] leading-tight'}`}>
         {def.label}
       </span>
       {active && (

src/components/PropertiesPanel.tsx

@@ -9,6 +9,22 @@ import { ColorSwatchRow } from './ColorPopover';
 const rad2deg = (r: number) => Math.round((r * 180) / Math.PI);
 const deg2rad = (d: number) => (d * Math.PI) / 180;
 
+const ELECTRICAL_PARTS = new Set<string>([
+  'pump',
+  'airCompressor',
+  'waterChiller',
+  'growLight',
+  'inlineFan',
+  'circulationFan',
+]);
+
+function formatDurationHelper(mins: number) {
+  if (mins < 60) return `${mins}m`;
+  const hrs = Math.floor(mins / 60);
+  const remaining = mins % 60;
+  return remaining > 0 ? `${hrs}h ${remaining}m` : `${hrs}h`;
+}
+
 /**
  * PropertiesPanel — right sidebar inspector.
  * One part selected: full inspector (pump quick-settings first for pumps).
@@ -105,7 +121,7 @@ function MultiInspector({ ids }: { ids: string[] }) {
   }
 
   return (
-    <div className="flex-1 space-y-4 overflow-y-auto px-4 py-3">
+    <div className="flex-1 space-y-3 overflow-y-auto px-3.5 py-2.5">
       <Section title="Selection">
         <ul className="space-y-1">
           {[...counts.entries()].map(([label, n]) => (
@@ -128,14 +144,14 @@ function MultiInspector({ ids }: { ids: string[] }) {
         <button
           onClick={() => duplicateParts(ids)}
           title="Duplicate the whole selection (D)"
-          className="flex-1 rounded-md border border-zinc-700 bg-zinc-800 px-2 py-1.5 text-xs font-medium text-zinc-200 hover:bg-zinc-700"
+          className="flex-1 rounded-md border border-zinc-700 bg-zinc-800 px-2 py-1 text-[11px] font-medium text-zinc-200 hover:bg-zinc-700"
         >
           Duplicate
         </button>
         <button
           onClick={() => removeParts(ids)}
           title="Delete every selected part (⌫)"
-          className="flex-1 rounded-md border border-rose-900 bg-rose-950 px-2 py-1.5 text-xs font-medium text-rose-300 hover:bg-rose-900"
+          className="flex-1 rounded-md border border-rose-900 bg-rose-950 px-2 py-1 text-[11px] font-medium text-rose-300 hover:bg-rose-900"
         >
           Delete
         </button>
@@ -709,7 +725,7 @@ function PartInspector({ partId }: { partId: string }) {
   );
 
   return (
-    <div className="flex-1 space-y-4 overflow-y-auto px-4 py-3">
+    <div className="flex-1 space-y-3 overflow-y-auto px-3.5 py-2.5">
       <div>
         <div className="mb-1 flex items-center gap-2">
           <span
@@ -814,7 +830,7 @@ function PartInspector({ partId }: { partId: string }) {
                   <select
                     value={String(snapPipeSize(part.params[key] ?? def.defaults[key]))}
                     onChange={(e) => setParam(partId, key, parseFloat(e.target.value))}
-                    className="w-full rounded-md border border-zinc-800 bg-zinc-900 px-2 py-1.5 text-[11px] text-zinc-200 outline-none focus:border-sky-600"
+                    className="w-full rounded-md border border-zinc-800 bg-zinc-900 px-2 py-1 text-[11px] text-zinc-200 outline-none focus:border-sky-600"
                   >
                     {STANDARD_PIPE_SIZES.map((size) => (
                       <option key={size} value={size}>
@@ -839,6 +855,65 @@ function PartInspector({ partId }: { partId: string }) {
         </Section>
       )}
 
+      {ELECTRICAL_PARTS.has(part.type) && (
+        <Section title="Smart Timer Schedule">
+          <div className="space-y-2 rounded-lg border border-zinc-800 bg-zinc-900/20 p-2.5">
+            <label className="flex items-center justify-between text-[11px] cursor-pointer">
+              <span className="text-zinc-400 font-semibold">Enable Timer</span>
+              <input
+                type="checkbox"
+                checked={(part.params.timerEnabled ?? 0) === 1}
+                onChange={(e) => setParam(partId, 'timerEnabled', e.target.checked ? 1 : 0)}
+                className="h-3.5 w-3.5 accent-sky-500 rounded border-zinc-800 bg-zinc-900 cursor-pointer"
+              />
+            </label>
+            
+            {(part.params.timerEnabled ?? 0) === 1 && (
+              <div className="grid grid-cols-2 gap-2 pt-1 border-t border-zinc-900/50">
+                <div>
+                  <div className="mb-1 text-[9px] font-bold text-zinc-500 uppercase">ON Duration</div>
+                  <label className="flex items-center gap-1 rounded-md border border-zinc-800 bg-zinc-900 px-1.5 py-0.5">
+                    <input
+                      type="number"
+                      min={1}
+                      value={part.params.timerOnMin ?? 15}
+                      onChange={(e) => {
+                        const v = parseInt(e.target.value, 10);
+                        if (!Number.isNaN(v) && v > 0) setParam(partId, 'timerOnMin', v);
+                      }}
+                      className="w-full bg-transparent text-left font-mono text-[11px] text-zinc-200 outline-none"
+                    />
+                    <span className="text-[10px] text-zinc-500">min</span>
+                  </label>
+                  <span className="text-[9px] text-zinc-500 block mt-0.5">
+                    {formatDurationHelper(part.params.timerOnMin ?? 15)}
+                  </span>
+                </div>
+                <div>
+                  <div className="mb-1 text-[9px] font-bold text-zinc-500 uppercase">OFF Duration</div>
+                  <label className="flex items-center gap-1 rounded-md border border-zinc-800 bg-zinc-900 px-1.5 py-0.5">
+                    <input
+                      type="number"
+                      min={1}
+                      value={part.params.timerOffMin ?? 45}
+                      onChange={(e) => {
+                        const v = parseInt(e.target.value, 10);
+                        if (!Number.isNaN(v) && v > 0) setParam(partId, 'timerOffMin', v);
+                      }}
+                      className="w-full bg-transparent text-left font-mono text-[11px] text-zinc-200 outline-none"
+                    />
+                    <span className="text-[10px] text-zinc-500">min</span>
+                  </label>
+                  <span className="text-[9px] text-zinc-500 block mt-0.5">
+                    {formatDurationHelper(part.params.timerOffMin ?? 45)}
+                  </span>
+                </div>
+              </div>
+            )}
+          </div>
+        </Section>
+      )}
+
       <Section title="Color">
         <ColorSwatchRow ids={[partId]} />
       </Section>
@@ -847,14 +922,14 @@ function PartInspector({ partId }: { partId: string }) {
         <button
           onClick={() => duplicateParts([partId])}
           title="Duplicate this part (D)"
-          className="flex-1 rounded-md border border-zinc-700 bg-zinc-800 px-2 py-1.5 text-xs font-medium text-zinc-200 hover:bg-zinc-700"
+          className="flex-1 rounded-md border border-zinc-700 bg-zinc-800 px-2 py-1 text-[11px] font-medium text-zinc-200 hover:bg-zinc-700"
         >
           Duplicate
         </button>
         <button
           onClick={() => removeParts([partId])}
           title="Delete this part (⌫)"
-          className="flex-1 rounded-md border border-rose-900 bg-rose-950 px-2 py-1.5 text-xs font-medium text-rose-300 hover:bg-rose-900"
+          className="flex-1 rounded-md border border-rose-900 bg-rose-950 px-2 py-1 text-[11px] font-medium text-rose-300 hover:bg-rose-900"
         >
           Delete
         </button>
@@ -896,7 +971,7 @@ function NumberField({
           const v = parseFloat(e.target.value);
           if (!Number.isNaN(v)) onChange(v);
         }}
-        className="w-full bg-transparent py-1.5 text-right font-mono text-[11px] text-zinc-200 outline-none"
+        className="w-full bg-transparent py-1 text-right font-mono text-[11px] text-zinc-200 outline-none"
       />
     </label>
   );
@@ -906,7 +981,7 @@ function MiniBtn({ children, onClick }: { children: React.ReactNode; onClick: ()
   return (
     <button
       onClick={onClick}
-      className="flex-1 rounded border border-zinc-800 bg-zinc-900 px-1.5 py-1 text-[10px] text-zinc-300 hover:bg-zinc-800"
+      className="flex-1 rounded border border-zinc-800 bg-zinc-900 px-1 py-0.5 text-[10px] text-zinc-300 hover:bg-zinc-800"
     >
       {children}
     </button>

src/components/ScheduleDashboard.tsx

@@ -0,0 +1,417 @@
+import { useState, useMemo } from 'react';
+import { useBuilder } from '../store/builderStore';
+import { PART_DEFS } from '../parts/catalog';
+
+export function ScheduleDashboard({ onClose }: { onClose: () => void }) {
+  const parts = useBuilder((s) => s.parts);
+  const activeRoomId = useBuilder((s) => s.activeRoomId);
+  const [rate, setRate] = useState<number>(0.15); // Default electricity rate ($/kWh)
+
+  const ELECTRICAL_PARTS = new Set<string>([
+    'pump',
+    'airCompressor',
+    'waterChiller',
+    'growLight',
+    'inlineFan',
+    'circulationFan',
+  ]);
+
+  // Filter electrical parts in the active room
+  const activeEquip = useMemo(() => {
+    return Object.values(parts).filter(
+      (p) => p.roomId === activeRoomId && ELECTRICAL_PARTS.has(p.type)
+    );
+  }, [parts, activeRoomId]);
+
+  // Calculate specifications and stats for each piece of equipment
+  const equipStats = useMemo(() => {
+    return activeEquip.map((p) => {
+      const def = PART_DEFS[p.type];
+      const name = p.label || def.label;
+      const isTimer = (p.params.timerEnabled ?? 0) === 1;
+      const onMin = p.params.timerOnMin ?? 15;
+      const offMin = p.params.timerOffMin ?? 45;
+      const period = onMin + offMin;
+
+      // Determine nominal power rating (Watts)
+      let watts = 0;
+      if (p.type === 'growLight') {
+        watts = p.params.watts ?? 650;
+      } else if (p.type === 'pump') {
+        // Estimate pump wattage dynamically based on GPH rating
+        const gphVal = p.params.gph ?? 400;
+        watts = Math.round(gphVal * 0.075 + 5);
+      } else if (p.type === 'inlineFan') {
+        const cfmVal = p.params.cfm ?? 600;
+        watts = Math.round(cfmVal * 0.15);
+      } else if (p.type === 'circulationFan') {
+        const cfmVal = p.params.cfm ?? 250;
+        watts = Math.round(cfmVal * 0.15);
+      } else if (p.type === 'waterChiller') {
+        watts = 250;
+      } else if (p.type === 'airCompressor') {
+        const gphVal = p.params.gph ?? 120;
+        watts = Math.round(gphVal * 0.05 + 2);
+      }
+
+      // Check if manually switched ON/OFF
+      const isSwitchedOn = (p.params.on ?? 1) > 0;
+
+      // Calculate operational fraction
+      let runFraction = 0;
+      if (isTimer) {
+        runFraction = period > 0 ? onMin / period : 0;
+      } else {
+        runFraction = isSwitchedOn ? 1 : 0;
+      }
+
+      const dailyRunMin = Math.round(runFraction * 1440);
+      const dailyKwh = (watts / 1000) * 24 * runFraction;
+      const dailyCost = dailyKwh * rate;
+
+      // Water stats (for pumps only)
+      let dailyWaterGal = 0;
+      if (p.type === 'pump') {
+        const nominalGph = p.params.gph ?? 400;
+        dailyWaterGal = nominalGph * 24 * runFraction;
+      }
+
+      return {
+        id: p.id,
+        type: p.type,
+        name,
+        color: p.color || def.color,
+        watts,
+        isTimer,
+        onMin,
+        offMin,
+        isSwitchedOn,
+        runFraction,
+        dailyRunMin,
+        dailyKwh,
+        dailyCost,
+        dailyWaterGal,
+        period,
+      };
+    });
+  }, [activeEquip, rate]);
+
+  // Aggregate totals
+  const totals = useMemo(() => {
+    let totalWatts = 0;
+    let totalKwh = 0;
+    let totalWaterGal = 0;
+
+    for (const eq of equipStats) {
+      totalWatts += eq.watts;
+      totalKwh += eq.dailyKwh;
+      totalWaterGal += eq.dailyWaterGal;
+    }
+
+    const monthlyKwh = totalKwh * 30.4;
+    const monthlyCost = totalKwh * 30.4 * rate;
+
+    return {
+      totalWatts,
+      totalKwh,
+      totalWaterGal,
+      monthlyKwh,
+      monthlyCost,
+    };
+  }, [equipStats, rate]);
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/75 p-4 backdrop-blur-md">
+      <div className="flex max-h-[90vh] w-full max-w-4xl flex-col overflow-hidden rounded-2xl border border-zinc-800 bg-zinc-950 text-zinc-100 shadow-2xl">
+        {/* Header */}
+        <div className="flex items-center justify-between border-b border-zinc-800 bg-zinc-900/40 px-6 py-4">
+          <div>
+            <h2 className="text-base font-bold text-sky-400">📊 Power & Water Schedule Dashboard</h2>
+            <p className="text-[11px] text-zinc-400 mt-0.5">
+              Comprehensive load profiling, utility estimations, and cyclic scheduling timelines.
+            </p>
+          </div>
+          <button
+            onClick={onClose}
+            className="rounded-lg bg-zinc-900 px-3 py-1.5 text-xs text-zinc-400 border border-zinc-800 hover:bg-zinc-800 hover:text-zinc-200 transition cursor-pointer"
+          >
+            ✕ Close
+          </button>
+        </div>
+
+        {/* Dashboard Content */}
+        <div className="flex-1 overflow-y-auto p-6 space-y-6">
+          {/* Stats Cards */}
+          <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+            <div className="rounded-xl border border-zinc-800 bg-zinc-900/30 p-4">
+              <span className="text-[10px] font-bold uppercase tracking-wider text-zinc-500">Connected Load</span>
+              <div className="mt-1 text-2xl font-bold text-zinc-200">
+                {totals.totalWatts} <span className="text-xs text-zinc-500">W</span>
+              </div>
+            </div>
+            <div className="rounded-xl border border-zinc-800 bg-zinc-900/30 p-4">
+              <span className="text-[10px] font-bold uppercase tracking-wider text-zinc-500">Daily Energy</span>
+              <div className="mt-1 text-2xl font-bold text-sky-400">
+                {totals.totalKwh.toFixed(2)} <span className="text-xs text-sky-600">kWh</span>
+              </div>
+            </div>
+            <div className="rounded-xl border border-zinc-800 bg-zinc-900/30 p-4">
+              <span className="text-[10px] font-bold uppercase tracking-wider text-zinc-500">Monthly Utility Cost</span>
+              <div className="mt-1 text-2xl font-bold text-emerald-400">
+                ${totals.monthlyCost.toFixed(2)}
+              </div>
+            </div>
+            <div className="rounded-xl border border-zinc-800 bg-zinc-900/30 p-4">
+              <span className="text-[10px] font-bold uppercase tracking-wider text-zinc-500">Daily Water Pumped</span>
+              <div className="mt-1 text-2xl font-bold text-teal-400">
+                {totals.totalWaterGal.toFixed(0)} <span className="text-xs text-teal-600">gal</span>
+              </div>
+            </div>
+          </div>
+
+          {/* Rate Editor & Helper */}
+          <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-4 rounded-xl border border-zinc-800 bg-zinc-900/20 p-4">
+            <div className="flex items-center gap-3">
+              <span className="text-xs text-zinc-400 font-semibold">Electricity Cost Rate:</span>
+              <label className="flex items-center gap-1.5 rounded-lg border border-zinc-800 bg-zinc-900 px-3 py-1">
+                <span className="text-xs text-zinc-500">$</span>
+                <input
+                  type="number"
+                  step={0.01}
+                  min={0.01}
+                  value={rate}
+                  onChange={(e) => {
+                    const val = parseFloat(e.target.value);
+                    if (!Number.isNaN(val) && val > 0) setRate(val);
+                  }}
+                  className="w-16 bg-transparent font-mono text-xs text-zinc-200 outline-none"
+                />
+                <span className="text-xs text-zinc-500">/ kWh</span>
+              </label>
+            </div>
+            <div className="text-[11px] text-zinc-500 leading-normal max-w-md">
+              💡 <span className="font-semibold text-zinc-400">drjonesbot says:</span> Using duty timers on pumps and cycling lights off-peak can significantly reduce heat spikes and monthly energy draw.
+            </div>
+          </div>
+
+          {/* Tables and timelines */}
+          {equipStats.length === 0 ? (
+            <div className="flex flex-col items-center justify-center py-10 border border-dashed border-zinc-800 rounded-xl">
+              <p className="text-sm text-zinc-500 font-medium">No electrical parts in this workspace</p>
+              <p className="text-xs text-zinc-600 mt-1">Add pumps, grow lights, inline fans, or chillers to generate a schedule.</p>
+            </div>
+          ) : (
+            <div className="space-y-6">
+              {/* Table */}
+              <div className="overflow-x-auto rounded-xl border border-zinc-800 bg-zinc-900/10">
+                <table className="w-full border-collapse text-left text-xs">
+                  <thead className="border-b border-zinc-800 bg-zinc-900/50 text-[10px] font-bold uppercase tracking-wider text-zinc-500">
+                    <tr>
+                      <th className="px-4 py-3">Equipment</th>
+                      <th className="px-4 py-3">Load (Watts)</th>
+                      <th className="px-4 py-3">Schedules</th>
+                      <th className="px-4 py-3">Daily Runtime</th>
+                      <th className="px-4 py-3">Daily kWh</th>
+                      <th className="px-4 py-3 text-right">Daily Cost</th>
+                    </tr>
+                  </thead>
+                  <tbody className="divide-y divide-zinc-900">
+                    {equipStats.map((eq) => (
+                      <tr key={eq.id} className="hover:bg-zinc-900/20">
+                        <td className="flex items-center gap-2 px-4 py-3 font-semibold text-zinc-200">
+                          <span
+                            className="h-2 w-2 rounded"
+                            style={{ backgroundColor: eq.color }}
+                          />
+                          {eq.name}
+                        </td>
+                        <td className="px-4 py-3 font-mono text-zinc-300">{eq.watts} W</td>
+                        <td className="px-4 py-3">
+                          {eq.isTimer ? (
+                            <span className="rounded bg-sky-500/10 px-2 py-0.5 text-[10px] font-bold text-sky-400 border border-sky-500/10">
+                              ⏱️ Cycle: {eq.onMin}m On / {eq.offMin}m Off
+                            </span>
+                          ) : eq.isSwitchedOn ? (
+                            <span className="rounded bg-emerald-500/10 px-2 py-0.5 text-[10px] font-bold text-emerald-400 border border-emerald-500/10">
+                              🟢 Constant ON
+                            </span>
+                          ) : (
+                            <span className="rounded bg-zinc-800 px-2 py-0.5 text-[10px] font-bold text-zinc-500">
+                              ⚪ Off
+                            </span>
+                          )}
+                        </td>
+                        <td className="px-4 py-3 text-zinc-400 font-mono">
+                          {Math.floor(eq.dailyRunMin / 60)}h {eq.dailyRunMin % 60}m
+                        </td>
+                        <td className="px-4 py-3 font-mono text-sky-400">{eq.dailyKwh.toFixed(2)} kWh</td>
+                        <td className="px-4 py-3 text-right font-mono text-emerald-400">${eq.dailyCost.toFixed(2)}</td>
+                      </tr>
+                    ))}
+                  </tbody>
+                </table>
+              </div>
+
+              {/* Timeline Chart */}
+              <div className="rounded-xl border border-zinc-800 bg-zinc-900/20 p-5 space-y-4">
+                <div>
+                  <h3 className="text-sm font-bold text-zinc-200">24-Hour Timeline Analysis</h3>
+                  <p className="text-[10px] text-zinc-500">Visual breakdown of cyclic run schedules across a 24-hour day starting from midnight.</p>
+                </div>
+
+                <div className="relative">
+                  <TimelineSvg equip={equipStats} />
+                </div>
+              </div>
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function TimelineSvg({ equip }: { equip: any[] }) {
+  const rowHeight = 36;
+  const labelWidth = 120;
+  const chartWidth = 640;
+  const height = equip.length * rowHeight + 30;
+  const width = labelWidth + chartWidth;
+
+  // Render ON/OFF blocks for a 24h timeline
+  const renderRowTimeline = (eq: any, rowIndex: number) => {
+    const y = rowIndex * rowHeight + 10;
+    const barHeight = 16;
+
+    if (!eq.isTimer) {
+      // Solid bar if constant
+      return (
+        <rect
+          key={eq.id}
+          x={labelWidth}
+          y={y}
+          width={chartWidth}
+          height={barHeight}
+          rx={4}
+          fill={eq.isSwitchedOn ? eq.color : '#1f2937'}
+          opacity={eq.isSwitchedOn ? 0.75 : 0.2}
+        />
+      );
+    }
+
+    // Generate repeat intervals
+    const rects: React.ReactNode[] = [];
+    const totalMins = 1440;
+    const period = eq.period;
+    let t = 0;
+    let index = 0;
+
+    while (t < totalMins) {
+      const onDuration = Math.min(eq.onMin, totalMins - t);
+      const offDuration = Math.min(eq.offMin, totalMins - (t + onDuration));
+
+      const xOn = labelWidth + (t / totalMins) * chartWidth;
+      const widthOn = (onDuration / totalMins) * chartWidth;
+
+      if (widthOn > 0.5) {
+        rects.push(
+          <rect
+            key={`${eq.id}-on-${index}`}
+            x={xOn}
+            y={y}
+            width={widthOn}
+            height={barHeight}
+            rx={2}
+            fill={eq.color}
+            opacity={0.8}
+          />
+        );
+      }
+
+      if (offDuration > 0) {
+        const xOff = labelWidth + ((t + onDuration) / totalMins) * chartWidth;
+        const widthOff = (offDuration / totalMins) * chartWidth;
+        if (widthOff > 0.5) {
+          rects.push(
+            <rect
+              key={`${eq.id}-off-${index}`}
+              x={xOff}
+              y={y}
+              width={widthOff}
+              height={barHeight}
+              rx={2}
+              fill="#18181b"
+              stroke="#27272a"
+              strokeWidth={0.5}
+            />
+          );
+        }
+      }
+
+      t += period;
+      index++;
+    }
+
+    return <g key={eq.id}>{rects}</g>;
+  };
+
+  return (
+    <svg viewBox={`0 0 ${width} ${height}`} className="w-full h-auto text-[10px] select-none font-mono">
+      {/* Background grids */}
+      <g>
+        {[0, 4, 8, 12, 16, 20, 24].map((h) => {
+          const x = labelWidth + (h / 24) * chartWidth;
+          return (
+            <g key={h}>
+              <line
+                x1={x}
+                y1={0}
+                x2={x}
+                y2={height - 25}
+                stroke="#27272a"
+                strokeWidth={1}
+                strokeDasharray="4 4"
+              />
+              <text
+                x={x}
+                y={height - 10}
+                textAnchor="middle"
+                fill="#71717a"
+                className="text-[9px]"
+              >
+                {h === 0 ? '00:00' : h === 12 ? '12:00' : `${h}:00`}
+              </text>
+            </g>
+          );
+        })}
+      </g>
+
+      {/* Row Labels and bars */}
+      {equip.map((eq, idx) => {
+        const yLabel = idx * rowHeight + 22;
+        return (
+          <g key={eq.id}>
+            <text
+              x={10}
+              y={yLabel}
+              fill="#e4e4e7"
+              className="font-sans font-semibold text-[10px] text-zinc-300"
+            >
+              {eq.name.length > 15 ? `${eq.name.substring(0, 14)}…` : eq.name}
+            </text>
+            {renderRowTimeline(eq, idx)}
+            {/* Divider line under row */}
+            <line
+              x1={0}
+              y1={idx * rowHeight + rowHeight + 2}
+              x2={width}
+              y2={idx * rowHeight + rowHeight + 2}
+              stroke="#18181b"
+              strokeWidth={1}
+            />
+          </g>
+        );
+      })}
+    </svg>
+  );
+}

src/components/StatusPanel.tsx

@@ -60,9 +60,9 @@ export function StatusPanel() {
 
   return (
     <>
-    <footer className="flex h-36 shrink-0 border-t border-zinc-800 bg-zinc-950/90 backdrop-blur">
+    <footer className="flex h-28 shrink-0 border-t border-zinc-800 bg-zinc-950/90 backdrop-blur">
       {/* System stats */}
-      <div className="flex w-56 shrink-0 flex-col justify-center gap-1 border-r border-zinc-800 px-4">
+      <div className="flex w-44 shrink-0 flex-col justify-center gap-0.5 border-r border-zinc-800 px-3">
         <h3 className="text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
           Simulation
         </h3>
@@ -110,7 +110,7 @@ export function StatusPanel() {
       </div>
 
       {/* Pumps */}
-      <div className="flex w-72 shrink-0 flex-col gap-1.5 overflow-y-auto border-r border-zinc-800 px-4 py-2.5">
+      <div className="flex w-64 shrink-0 flex-col gap-1 overflow-y-auto border-r border-zinc-800 px-3 py-1.5">
         <h3 className="text-[10px] font-bold tracking-wider text-zinc-500 uppercase">Pumps</h3>
         {sim.pumps.length === 0 && (
           <p className="text-xs text-zinc-600">No pumps in the system.</p>
@@ -119,7 +119,7 @@ export function StatusPanel() {
           <button
             key={p.pumpId}
             onClick={() => setSelected(p.pumpId)}
-            className="rounded-md border border-zinc-800 bg-zinc-900/70 px-2.5 py-1.5 text-left hover:border-zinc-600"
+            className="rounded border border-zinc-850 bg-zinc-900/70 px-2 py-1 text-left hover:border-zinc-650"
           >
             <div className="flex items-baseline justify-between">
               <span className="text-xs font-semibold text-zinc-200">
@@ -144,7 +144,7 @@ export function StatusPanel() {
       </div>
 
       {/* Diagnostics */}
-      <div className="flex w-80 shrink-0 flex-col gap-1 overflow-y-auto border-r border-zinc-800 px-4 py-2.5">
+      <div className="flex w-72 shrink-0 flex-col gap-0.5 overflow-y-auto border-r border-zinc-800 px-3 py-1.5">
         <h3 className="text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
           Environment
         </h3>
@@ -155,7 +155,7 @@ export function StatusPanel() {
             <button
               key={room.roomId}
               onClick={() => setSelected(room.roomId)}
-              className="rounded-md border border-zinc-800 bg-zinc-900/70 px-2.5 py-1.5 text-left hover:border-zinc-600"
+              className="rounded border border-zinc-850 bg-zinc-900/70 px-2 py-1 text-left hover:border-zinc-650"
             >
               <div className="flex items-center justify-between gap-2">
                 <span className="text-xs font-semibold text-zinc-200">{room.label}</span>
@@ -195,7 +195,7 @@ export function StatusPanel() {
       </div>
 
       {/* Room Readout */}
-      <div className="flex w-56 shrink-0 flex-col justify-center gap-1.5 border-r border-zinc-800 px-4 py-2.5">
+      <div className="flex w-48 shrink-0 flex-col justify-center gap-1 border-r border-zinc-800 px-3 py-1.5">
         <div className="flex items-center justify-between">
           <h3 className="text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
             Room Readout
@@ -237,7 +237,7 @@ export function StatusPanel() {
       </div>
 
       {/* Aeration & Water */}
-      <div className="flex w-72 shrink-0 flex-col gap-1.5 overflow-y-auto border-r border-zinc-800 px-4 py-2.5">
+      <div className="flex w-64 shrink-0 flex-col gap-1 overflow-y-auto border-r border-zinc-800 px-3 py-1.5">
         <h3 className="text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
           Aeration & Water
         </h3>
@@ -248,7 +248,7 @@ export function StatusPanel() {
           <button
             key={stats.id}
             onClick={() => setSelected(stats.id)}
-            className="rounded-md border border-zinc-800 bg-zinc-900/70 px-2.5 py-1.5 text-left hover:border-zinc-600"
+            className="rounded border border-zinc-850 bg-zinc-900/70 px-2 py-1 text-left hover:border-zinc-650"
           >
             {(() => {
               const runtime = sim.reservoirRuntime[stats.id];
@@ -310,7 +310,7 @@ export function StatusPanel() {
         ))}
       </div>
 
-      <div className="flex flex-1 flex-col gap-1 overflow-y-auto px-4 py-2.5">
+      <div className="flex flex-1 flex-col gap-0.5 overflow-y-auto px-3 py-1.5">
         <h3 className="text-[10px] font-bold tracking-wider text-zinc-500 uppercase">
           Diagnostics
         </h3>
@@ -323,7 +323,7 @@ export function StatusPanel() {
             <button
               key={i}
               onClick={() => w.partId && setSelected(w.partId)}
-              className={`rounded-md border px-2.5 py-1 text-left text-[11px] leading-snug ${LEVEL_STYLE[w.level]} ${
+              className={`rounded border px-2 py-0.5 text-left text-[10px] leading-snug ${LEVEL_STYLE[w.level]} ${
                 w.partId ? 'cursor-pointer hover:brightness-125' : 'cursor-default'
               }`}
             >

src/components/Toolbar.tsx

@@ -43,9 +43,11 @@ function SaveIndicator() {
 export function Toolbar({
   onOpenBom,
   onCheckBuild,
+  onOpenDashboard,
 }: {
   onOpenBom: () => void;
   onCheckBuild: () => void;
+  onOpenDashboard: () => void;
 }) {
   const { token, user, logout, refreshProfile } = useAuth();
   const [showPaywall, setShowPaywall] = useState(false);
@@ -207,15 +209,15 @@ export function Toolbar({
 
   return (
     <>
-    <header className="flex h-12 shrink-0 items-center gap-2 border-b border-zinc-800 bg-zinc-950 px-3">
-      <div className="flex items-center gap-2 pr-2">
-        <span className="grid h-7 w-7 place-items-center rounded-lg bg-gradient-to-br from-sky-500 to-blue-700 text-sm font-black text-white">
+    <header className="flex h-10 shrink-0 items-center gap-1.5 border-b border-zinc-800 bg-zinc-950 px-2.5">
+      <div className="flex items-center gap-1.5 pr-1.5">
+        <span className="grid h-6 w-6 place-items-center rounded bg-gradient-to-br from-sky-500 to-blue-700 text-xs font-black text-white">
           H
         </span>
         <input
           value={projectName}
           onChange={(e) => setProjectName(e.target.value)}
-          className="w-44 rounded-md border border-transparent bg-transparent px-1.5 py-1 text-sm font-semibold text-zinc-100 outline-none hover:border-zinc-800 focus:border-sky-700 focus:bg-zinc-900"
+          className="w-36 rounded border border-transparent bg-transparent px-1 py-0.5 text-xs font-semibold text-zinc-100 outline-none hover:border-zinc-800 focus:border-sky-700 focus:bg-zinc-900"
         />
         <SaveIndicator />
       </div>
@@ -311,6 +313,7 @@ export function Toolbar({
       <Divider />
 
       <TBtn onClick={onOpenBom} title="Open bill of materials">BOM</TBtn>
+      <TBtn onClick={onOpenDashboard} title="Open Power & Water Schedule Dashboard">📊 Dashboard</TBtn>
       <TBtn onClick={onCheckBuild} title="Run design validation">Check Build</TBtn>
       <TBtn onClick={() => autoCapOpenEnds()} title="Add caps to every loose plumbing end">
         Auto Cap
@@ -503,14 +506,14 @@ export function Toolbar({
     </header>
 
     {/* Tabbed room bar */}
-    <div className="flex h-10 shrink-0 items-center justify-between border-b border-zinc-850 bg-zinc-900/60 px-3">
+    <div className="flex h-8 shrink-0 items-center justify-between border-b border-zinc-850 bg-zinc-900/60 px-2.5">
       <div className="flex items-center gap-1.5 overflow-x-auto">
         {rooms.map((room) => {
           const isActive = room.id === activeRoomId;
           return (
             <div
               key={room.id}
-              className={`group flex items-center gap-1.5 rounded-md px-2.5 py-1 text-xs font-semibold transition cursor-pointer select-none ${
+              className={`group flex items-center gap-1 rounded px-2 py-0.5 text-[11px] font-semibold transition cursor-pointer select-none ${
                 isActive
                   ? 'bg-sky-500/15 text-sky-400 border border-sky-500/30'
                   : 'text-zinc-400 hover:text-zinc-200 border border-transparent'
@@ -542,7 +545,7 @@ export function Toolbar({
             addRoom(name.trim());
           }
         }}
-        className="rounded border border-zinc-700 bg-zinc-850 hover:bg-zinc-800 text-zinc-300 px-2.5 py-1 text-[11px] font-semibold transition flex items-center gap-1 cursor-pointer"
+        className="rounded border border-zinc-700 bg-zinc-855 hover:bg-zinc-800 text-zinc-300 px-2 py-0.5 text-[10px] font-semibold transition flex items-center gap-1 cursor-pointer"
       >
         + Add Room
       </button>
@@ -573,7 +576,7 @@ function TBtn({
       onClick={onClick}
       title={title}
       disabled={disabled}
-      className={`rounded-md px-2.5 py-1.5 text-xs font-medium transition disabled:cursor-default disabled:opacity-30
+      className={`rounded px-2 py-1 text-[11px] font-medium transition disabled:cursor-default disabled:opacity-30
         ${
           active
             ? 'bg-sky-500/15 text-sky-300 ring-1 ring-sky-700'

src/parts/catalog.ts

@@ -170,7 +170,7 @@ export const PART_DEFS: Record<PartType, PartDefinition> = {
     color: '#3d7bfa',
     // `on` (0|1) is intentionally NOT in params meta — the inspector renders a
     // custom power toggle for it. The simulator treats on === 0 as "switched off".
-    defaults: { gph: 400, maxHeadFt: 8, on: 1 },
+    defaults: { gph: 400, maxHeadFt: 8, on: 1, timerEnabled: 0, timerOnMin: 15, timerOffMin: 45 },
     params: {
       gph: { label: 'Rated flow', min: 50, max: 2000, step: 25, unit: 'GPH' },
       maxHeadFt: { label: 'Max head', min: 2, max: 30, step: 1, unit: 'ft' },
@@ -334,7 +334,7 @@ export const PART_DEFS: Record<PartType, PartDefinition> = {
     category: 'Environment',
     description: 'Duct fan for room exhaust/intake calculations',
     color: '#0f766e',
-    defaults: { cfm: 600, diameter: 6, exhaust: 1 },
+    defaults: { cfm: 600, diameter: 6, exhaust: 1, timerEnabled: 0, timerOnMin: 15, timerOffMin: 45 },
     params: {
       cfm: { label: 'Airflow', min: 50, max: 4000, step: 25, unit: 'CFM' },
       diameter: { label: 'Duct size', min: 4, max: 14, step: 2, unit: 'in' },
@@ -349,7 +349,7 @@ export const PART_DEFS: Record<PartType, PartDefinition> = {
     category: 'Environment',
     description: 'Internal airflow fan for canopy mixing',
     color: '#2563eb',
-    defaults: { cfm: 250, sweep: 90 },
+    defaults: { cfm: 250, sweep: 90, timerEnabled: 0, timerOnMin: 15, timerOffMin: 45 },
     params: {
       cfm: { label: 'Airflow', min: 50, max: 1500, step: 25, unit: 'CFM' },
       sweep: { label: 'Sweep', min: 0, max: 180, step: 15, unit: '°' },
@@ -363,7 +363,7 @@ export const PART_DEFS: Record<PartType, PartDefinition> = {
     category: 'Environment',
     description: 'Overhead grow fixture for room planning',
     color: '#fbbf24',
-    defaults: { width: 2, depth: 2, watts: 650, hangingHeight: 1.5, photoperiod: 18 },
+    defaults: { width: 2, depth: 2, watts: 650, hangingHeight: 1.5, photoperiod: 18, timerEnabled: 0, timerOnMin: 1080, timerOffMin: 360 },
     params: {
       width: { label: 'Width', min: 0.5, max: 6, step: 0.25, unit: 'ft' },
       depth: { label: 'Depth', min: 0.5, max: 6, step: 0.25, unit: 'ft' },
@@ -394,7 +394,7 @@ export const PART_DEFS: Record<PartType, PartDefinition> = {
     category: 'Flow Control',
     description: 'Aerate reservoir water with an attached airstone',
     color: '#0ea5e9',
-    defaults: { gph: 120, frequency: 5, on: 1 },
+    defaults: { gph: 120, frequency: 5, on: 1, timerEnabled: 0, timerOnMin: 15, timerOffMin: 45 },
     params: {
       gph: { label: 'Air Flow', min: 20, max: 400, step: 10, unit: 'GPH' },
       frequency: { label: 'Bubble Freq', min: 1, max: 10, step: 1, unit: 'Hz' },
@@ -459,7 +459,7 @@ export const PART_DEFS: Record<PartType, PartDefinition> = {
     category: 'Flow Control',
     description: 'Thermoelectric water chiller to keep reservoirs cool',
     color: '#0891b2',
-    defaults: { targetTemp: 68, on: 1, diameter: 1.0 },
+    defaults: { targetTemp: 68, on: 1, diameter: 1.0, timerEnabled: 0, timerOnMin: 15, timerOffMin: 45 },
     params: {
       targetTemp: { label: 'Target Temp', min: 45, max: 80, step: 1, unit: '°F' },
       diameter: { label: 'Port Size', min: 0.5, max: 2.0, step: 0.25, unit: 'in' },