diff --git a/README.md b/README.md
index 3c0371d..43032be 100644
--- a/README.md
+++ b/README.md
@@ -538,12 +538,14 @@ from `client/brewpi_gui.py` directly: `components/sud.py`'s
 `_build_step()`/`_merge_defaults()` (the raw doc from `Sud.Json` is
 unresolved - every step still needs `default.step` merged in), and the
 `StepPlate`/`_update_step_plates()`/`update_status_step_label()` logic
-behind the Progress tab and status line. Deliberately deferred rather than
-stubbed: the Automatic tab's forecast-vs-actual plot and the live Plot
-tab's strip charts (both need a charting approach - revisit once Manual +
-Progress are validated), and Sud file management (New/Load/Save dialogs -
-v1 only *displays* whatever schedule the server already has loaded, fetched
-via the same `{"Sud": {"Save": true}}` request `Window.connect()` sends).
+behind the Progress tab and status line. New/Load/Save (a plain
+`<input type="file">`/`FileReader` and a `Blob`/`<a download>` standing in
+for the desktop app's native file dialogs) and Start/Stop are wired up too
+- see `web/TODO.md` for what's still missing (Pause/Confirm, `WAIT_USER`
+surfacing, and more). Deliberately deferred rather than stubbed: the
+Automatic tab's forecast-vs-actual plot and the live Plot tab's strip
+charts - both need a charting approach, revisit once Manual + Progress are
+validated.
 
 No authentication - matching the existing WebSocket server's own complete
 lack of it, not a new gap. Worth keeping in mind regardless: "browser,
diff --git a/web/TODO.md b/web/TODO.md
index 4d473c8..282ba6e 100644
--- a/web/TODO.md
+++ b/web/TODO.md
@@ -6,15 +6,13 @@ Everything below is what that v1 pass deliberately left out - either
 flagged as deferred in the plan, or only noticed once the port was done
 and checked against the Qt source side by side.
 
-- [ ] **No way to actually run a brew.** There's no Start/Pause/Stop/
-  Confirm anywhere in `web/index.html` - `on_action_sud_start()`/
-  `on_action_sud_pause()`/`on_action_sud_stop()` (`client/brewpi_gui.py:
-  868-875`) are one-line `{"Sud": {"Start"/"Pause"/"Stop": true}}` sends,
-  trivial to add as buttons; `{"Sud": {"Confirm": true}}` already needs
+- [x] **No way to actually run a brew.** ~~There's no Start/Pause/Stop/
+  Confirm anywhere in `web/index.html`~~ Start/Stop are now wired up
+  (`btn-sud-start`/`btn-sud-stop` in `app.js`, gated by `updateSudActions()`
+  mirroring `update_sud_actions()`'s enabled/disabled logic). Still
+  missing: Pause, and `{"Sud": {"Confirm": true}}` - that one needs
   `sudUserMessage`/`sudState` (next item) to know *when* it's actually
-  waiting on one. Until this exists, the Progress tab can only watch a
-  run started from the desktop GUI (or a raw `Sud.Start` send from the
-  browser console) - it's read-only.
+  waiting on one.
 
 - [ ] **`WAIT_USER` never surfaces to the user.** `sudUserMessage` is
   tracked in `app.js` but nothing ever shows it - `show_user_message()`
@@ -26,14 +24,12 @@ and checked against the Qt source side by side.
   the `WAIT_USER` transition) plus a modal (a plain `<dialog>` works,
   no library needed) that sends `Confirm` on close.
 
-- [ ] **No schedule management.** Matches README.md's "Browser client"
-  section, called out there as deliberately deferred rather than missing
-  by oversight - `on_action_sud_new/_save/_load()`
-  (`client/brewpi_gui.py:884-912`) use native file dialogs `web/` has no
-  equivalent of yet. Load maps to `<input type="file">` +
-  `FileReader`+`{"Sud": {"Load": ...}}`; Save to a `Blob`+`<a download>`
-  of whatever the next `Json` push contains; New is just the same
-  hardcoded empty-doc `Load` Qt sends, no dialog needed at all.
+- [x] **No schedule management.** New/Load/Save are now wired up in
+  `app.js`: Load is `<input type="file">` + `FileReader` +
+  `{"Sud": {"Load": ...}}`; Save sends `{"Sud": {"Save": true}}` and
+  downloads (`Blob`+`<a download>`) whichever `Json` push answers it
+  (tracked via `sudSavePending`, mirroring `brewpi_gui.py`'s
+  `sud_save_path`); New sends the same hardcoded empty-doc `Load` Qt does.
 
 - [ ] **No temperature-controller state/cooldown indicator.** Qt shows
   the raw FSM state (`label_state.setText(msg['State'])` - e.g.
diff --git a/web/app.js b/web/app.js
index 0067d31..0044264 100644
--- a/web/app.js
+++ b/web/app.js
@@ -8,6 +8,7 @@ const CHANNELS = ['Pot', 'Sensor', 'Heater', 'Stirrer', 'TempCtrl', 'Sud', 'Syst
 // str(SudState.X) values (as sent in the 'State' message) that count as
 // "running" - mirrors client/brewpi_gui.py's SUD_RUNNING_STATES.
 const RUNNING_STATES = new Set(['SudState.RAMPING', 'SudState.HOLDING', 'SudState.WAIT_USER']);
+const PAUSED_STATE = 'SudState.PAUSED';
 
 let ws = null;
 let connected = false;
@@ -62,6 +63,12 @@ let forecastFinished = false;
 let forecastFinalT = null;
 let energyByStep = {};
 let energyCurrent = 0;
+// Set right before sending {Sud: {Save: true}} - the next 'Json' push is
+// then this request's reply (not a schedule update to render), so it
+// triggers a file download instead - mirrors client/brewpi_gui.py's
+// sud_save_path flag (on_action_sud_save()/on_sud_changed()'s 'Json'
+// branch).
+let sudSavePending = false;
 
 let stepPlates = [];
 let blinkOn = true;
@@ -265,7 +272,11 @@ function updateStatusLine() {
 	let text = '';
 	let grain = sudGrainMass, water = sudWaterMass;
 	if (sudStepDescr) {
-		text = `Step ${sudStepIndex}: ${sudStepDescr}`;
+		// +1: sudStepIndex is the 0-based index Sud.index uses, but the
+		// Progress tab's step-plates (createStepPlate()) label 1-based -
+		// match it here, same fix as client/brewpi_gui.py's
+		// update_status_step_label().
+		text = `Step ${sudStepIndex + 1}: ${sudStepDescr}`;
 		if (sudStepType === 'hold') {
 			const remaining = Math.max(sudHoldRemaining, 0);
 			text += ` (${Math.floor(remaining / 60)}:${String(Math.floor(remaining % 60)).padStart(2, '0')} remaining)`;
@@ -285,6 +296,26 @@ function updateStatusLine() {
 	el.textContent = `${text}   ${elapsedText}   ${energyText}`;
 }
 
+// Mirrors client/brewpi_gui.py's update_sud_actions(): Start also doubles
+// as Resume while paused; Stop can still abort a paused run.
+function updateSudActions() {
+	const canRun = connected && !sudEmpty;
+	const running = canRun && RUNNING_STATES.has(sudState);
+	const paused = canRun && sudState === PAUSED_STATE;
+	document.getElementById('btn-sud-start').disabled = !(canRun && !running);
+	document.getElementById('btn-sud-stop').disabled = !(running || paused);
+}
+
+function downloadJson(doc) {
+	const blob = new Blob([JSON.stringify(doc, null, '\t')], {type: 'application/json'});
+	const url = URL.createObjectURL(blob);
+	const a = document.createElement('a');
+	a.href = url;
+	a.download = `${doc.Name || 'sud'}.json`;
+	a.click();
+	URL.revokeObjectURL(url);
+}
+
 function updateEnvStatusLine() {
 	const el = document.getElementById('env-status-line');
 	const ambient = ambientTemp !== null ? `${ambientTemp.toFixed(1)}°C` : '-';
@@ -320,6 +351,7 @@ function updateSudForecast(doc) {
 	}
 	rebuildStepPlates();
 	updateStatusLine();
+	updateSudActions();
 	document.title = sudName ? `BrewPi - ${sudName}` : 'BrewPi';
 }
 
@@ -419,7 +451,15 @@ function onTempCtrlChanged(msg) {
 function onSudChanged(msg) {
 	for (const key of Object.keys(msg)) {
 		if (key === 'Json') {
-			updateSudForecast(msg.Json);
+			// A standalone reply to a just-sent {Save: true} (see
+			// btn-sud-save's handler below) - not a schedule update to
+			// render, save it to disk instead.
+			if (sudSavePending) {
+				sudSavePending = false;
+				downloadJson(msg.Json);
+			} else {
+				updateSudForecast(msg.Json);
+			}
 		} else if (key === 'State') {
 			const newState = msg.State;
 			const isRunningNow = RUNNING_STATES.has(newState);
@@ -431,6 +471,7 @@ function onSudChanged(msg) {
 			wasRunning = isRunningNow;
 			sudState = newState;
 			updateStepPlates();
+			updateSudActions();
 		} else if (key === 'UserMessage') {
 			sudUserMessage = msg.UserMessage;
 		} else if (key === 'Step') {
@@ -507,6 +548,7 @@ function setConnected(isConnected) {
 	const statusEl = document.getElementById('conn-status');
 	statusEl.textContent = isConnected ? 'Connected' : 'Disconnected';
 	statusEl.className = isConnected ? 'status-connected' : 'status-disconnected';
+	updateSudActions();
 }
 
 function connect() {
@@ -584,6 +626,42 @@ document.getElementById('btn-pot-reset').addEventListener('click', () => {
 	sendMsg('Pot', {Reset: Number(document.getElementById('pot-temp').value)});
 });
 
+// New is the same hardcoded empty-doc Load the desktop GUI's
+// on_action_sud_new() sends - the server refuses it (like any Load) while a
+// run is in progress, surfacing an Error rather than guessing that here.
+document.getElementById('btn-sud-new').addEventListener('click', () => {
+	sendMsg('Sud', {Load: {Name: '', Description: '', pot_mass: 0, pot_material: null, steps: []}});
+});
+document.getElementById('btn-sud-load').addEventListener('click', () => {
+	document.getElementById('sud-file-input').click();
+});
+document.getElementById('sud-file-input').addEventListener('change', (e) => {
+	const file = e.target.files[0];
+	e.target.value = '';
+	if (!file) {
+		return;
+	}
+	const reader = new FileReader();
+	reader.onload = () => {
+		try {
+			sendMsg('Sud', {Load: JSON.parse(reader.result)});
+		} catch (err) {
+			alert(`Not a valid Sud file: ${err.message}`);
+		}
+	};
+	reader.readAsText(file);
+});
+document.getElementById('btn-sud-save').addEventListener('click', () => {
+	sudSavePending = true;
+	sendMsg('Sud', {Save: true});
+});
+document.getElementById('btn-sud-start').addEventListener('click', () => {
+	sendMsg('Sud', {Start: true});
+});
+document.getElementById('btn-sud-stop').addEventListener('click', () => {
+	sendMsg('Sud', {Stop: true});
+});
+
 document.querySelectorAll('.tab-btn').forEach((btn) => {
 	btn.addEventListener('click', () => {
 		document.querySelectorAll('.tab-btn').forEach((b) => b.classList.remove('active'));
@@ -597,3 +675,5 @@ setInterval(() => {
 	blinkOn = !blinkOn;
 	stepPlates.forEach(applyLedColor);
 }, 500);
+
+updateSudActions();
diff --git a/web/index.html b/web/index.html
index dcac411..8b809ea 100644
--- a/web/index.html
+++ b/web/index.html
@@ -43,6 +43,19 @@
 
 <main>
 	<section id="tab-manual" class="tab-content active">
+		<div class="panel">
+			<h3>Sud</h3>
+			<div class="button-row">
+				<button id="btn-sud-new">New</button>
+				<button id="btn-sud-load">Load&hellip;</button>
+				<input type="file" id="sud-file-input" accept="application/json" class="hidden">
+				<button id="btn-sud-save">Save&hellip;</button>
+			</div>
+			<div class="button-row">
+				<button id="btn-sud-start">Start</button>
+				<button id="btn-sud-stop">Stop</button>
+			</div>
+		</div>
 		<div class="panel">
 			<h3>Controller</h3>
 			<label><input type="checkbox" id="tc-enabled"> Enabled</label>
diff --git a/web/style.css b/web/style.css
index 5098b87..a02fc0d 100644
--- a/web/style.css
+++ b/web/style.css
@@ -84,6 +84,13 @@ nav#tabs {
 
 .hidden { display: none; }
 
+.button-row {
+	display: flex;
+	gap: 0.5em;
+	margin: 0.3em 0;
+}
+.button-row button:disabled { opacity: 0.5; cursor: default; }
+
 #step-plates { display: flex; flex-direction: column; gap: 0.5em; max-width: 36em; }
 
 .step-plate {