diff --git a/config/dot/quickshell/services/DeviceEvents.qml b/config/dot/quickshell/services/DeviceEvents.qml
index e36beb8..75ed3bf 100644
--- a/config/dot/quickshell/services/DeviceEvents.qml
+++ b/config/dot/quickshell/services/DeviceEvents.qml
@@ -16,7 +16,8 @@ Singleton {
     property bool kdeInitialized: false
     property string previousOutput: ""
     property string previousBluetooth: ""
-    property string previousKde: ""
+    property bool previousKdeReachable: false
+    property string previousKdeName: ""
 
     PwObjectTracker { objects: [Pipewire.defaultAudioSink] }
 
@@ -33,6 +34,8 @@ Singleton {
             .join("\u001f");
     }
 
+    readonly property string kdeName: KdeConnect.preferredPhone?.name ?? ""
+
     onOutputNameChanged: {
         if (!root.outputInitialized) {
             root.previousOutput = root.outputName;
@@ -78,55 +81,41 @@ Singleton {
         onTriggered: {
             root.previousOutput = root.outputName;
             root.previousBluetooth = root.bluetoothNames;
+            root.previousKdeReachable = KdeConnect.phoneReachable;
+            root.previousKdeName = root.kdeName;
             root.outputInitialized = true;
             root.bluetoothInitialized = true;
+            root.kdeInitialized = true;
         }
     }
 
-    Timer {
-        interval: 15000
-        repeat: true
-        running: true
-        triggeredOnStart: true
-        onTriggered: {
-            if (!kdeProbe.running)
-                kdeProbe.running = true;
-        }
-    }
+    Connections {
+        target: KdeConnect
 
-    Process {
-        id: kdeProbe
-        command: ["kdeconnect-cli", "-a", "--name-only"]
-        stdout: StdioCollector {
-            onStreamFinished: {
-                const names = this.text.split("\n")
-                    .map(line => line.trim())
-                    .filter(line => line && !/^\d+ devices? found$/.test(line))
-                    .sort()
-                    .join("\u001f");
-                if (root.kdeInitialized && names !== root.previousKde) {
-                    const current = names ? names.split("\u001f") : [];
-                    const previous = root.previousKde ? root.previousKde.split("\u001f") : [];
-                    const connected = current.find(name => !previous.includes(name));
-                    const disconnected = previous.find(name => !current.includes(name));
-                    StatusEvents.publish({
-                        key: "device-kdeconnect",
-                        glyph: "\u{F03F2}",
-                        title: connected || disconnected || "Phone",
-                        detail: connected ? "KDE Connect available" : "KDE Connect disconnected",
-                        tone: connected ? "accent" : "warn",
-                        priority: StatusEvents.ambientPriority
-                    });
-                }
-                root.previousKde = names;
-                root.kdeInitialized = true;
-            }
+        function onPhoneReachableChanged(): void {
+            if (!root.kdeInitialized)
+                return;
+            const reachable = KdeConnect.phoneReachable;
+            if (reachable === root.previousKdeReachable)
+                return;
+            StatusEvents.publish({
+                key: "device-kdeconnect",
+                glyph: "\u{F03F2}",
+                title: root.kdeName || root.previousKdeName || "Phone",
+                detail: reachable ? "KDE Connect available" : "KDE Connect disconnected",
+                tone: reachable ? "accent" : "warn",
+                priority: StatusEvents.ambientPriority
+            });
+            root.previousKdeReachable = reachable;
+            root.previousKdeName = root.kdeName || root.previousKdeName;
         }
     }
 
     Component.onCompleted: {
         root.previousOutput = root.outputName;
         root.previousBluetooth = root.bluetoothNames;
+        root.previousKdeReachable = KdeConnect.phoneReachable;
+        root.previousKdeName = root.kdeName;
         discoverySettle.start();
     }
 }
diff --git a/config/dot/quickshell/services/HomeAssistant.qml b/config/dot/quickshell/services/HomeAssistant.qml
new file mode 100644
index 0000000..123fe4b
--- /dev/null
+++ b/config/dot/quickshell/services/HomeAssistant.qml
@@ -0,0 +1,185 @@
+pragma Singleton
+
+// Home Assistant state for the Control Center. Credentials and REST details
+// remain behind the helper; QML receives configured favourites only.
+
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+Singleton {
+    id: root
+
+    readonly property string helperPath: Quickshell.shellDir + "/scripts/panama-home-assistant"
+
+    // "loading" | "ready" | "degraded" | "unavailable"
+    property string phase: "loading"
+    property var entities: []
+    property bool stale: false
+    property string busyEntityId: ""
+    property string lastError: ""
+    property bool fixtureMode: false
+
+    readonly property var visibleEntities: root.entities.slice(0, 4)
+    readonly property int configuredCount: root.entities.length
+
+    function refresh(): void {
+        if (root.fixtureMode || refreshProc.running)
+            return;
+        if (root.entities.length === 0)
+            root.phase = "loading";
+        refreshProc.running = true;
+    }
+
+    function consumeSnapshot(text: string): void {
+        if (root.fixtureMode)
+            return;
+        let result = null;
+        try {
+            result = JSON.parse(text);
+        } catch (error) {
+            result = { ok: false, error: "invalid-response" };
+        }
+
+        if (result.ok === true) {
+            root.entities = Array.isArray(result.entities) ? result.entities : [];
+            root.phase = "ready";
+            root.stale = false;
+            root.lastError = "";
+            return;
+        }
+
+        root.lastError = String(result.error || "unreachable");
+        if (root.entities.length > 0) {
+            root.phase = "degraded";
+            root.stale = true;
+        } else {
+            root.phase = "unavailable";
+            root.stale = false;
+        }
+    }
+
+    function toggleEntity(entityId: string): void {
+        if (entityId === "" || root.busyEntityId !== "")
+            return;
+        if (root.fixtureMode) {
+            root.entities = root.entities.map(entity => {
+                if (entity.id !== entityId)
+                    return entity;
+                return Object.assign({}, entity, {
+                    active: !entity.active,
+                    state: entity.active ? "off" : "on"
+                });
+            });
+            return;
+        }
+        if (!root.entities.some(entity => entity.id === entityId))
+            return;
+        root.busyEntityId = entityId;
+        actionProc.command = [root.helperPath, "toggle", entityId];
+        actionProc.running = true;
+    }
+
+    function consumeAction(text: string): void {
+        if (root.busyEntityId === "")
+            return;
+        let ok = false;
+        let errorCode = "action-failed";
+        try {
+            const result = JSON.parse(text);
+            ok = result.ok === true;
+            errorCode = String(result.error || errorCode);
+        } catch (error) {
+            errorCode = "invalid-response";
+        }
+        root.busyEntityId = "";
+        if (ok) {
+            root.lastError = "";
+            refreshDelay.restart();
+        } else {
+            root.lastError = errorCode;
+            if (root.entities.length > 0) {
+                root.phase = "degraded";
+                root.stale = true;
+            }
+        }
+    }
+
+    function open(): void {
+        Quickshell.execDetached([root.helperPath, "open"]);
+    }
+
+    function fixtureEntities(): var {
+        return [
+            { id: "light.fixture_all", name: "All lights", domain: "light", state: "on", available: true, active: true },
+            { id: "light.fixture_kitchen", name: "Kitchen", domain: "light", state: "on", available: true, active: true },
+            { id: "light.fixture_living", name: "Living room", domain: "light", state: "off", available: true, active: false },
+            { id: "light.fixture_bedroom", name: "Bedroom", domain: "light", state: "on", available: true, active: true },
+            { id: "light.fixture_hall", name: "Hall", domain: "light", state: "off", available: true, active: false },
+            { id: "light.fixture_desk", name: "Desk", domain: "light", state: "off", available: true, active: false },
+            { id: "light.fixture_corner", name: "Corner lamp", domain: "light", state: "unavailable", available: false, active: false }
+        ];
+    }
+
+    function applyFixture(name: string): void {
+        if (["ready", "stale", "unavailable"].indexOf(name) < 0)
+            return;
+        root.fixtureMode = true;
+        root.busyEntityId = "";
+        if (name === "unavailable") {
+            root.entities = [];
+            root.phase = "unavailable";
+            root.stale = false;
+            root.lastError = "not-configured";
+            return;
+        }
+        root.entities = root.fixtureEntities();
+        root.phase = name === "stale" ? "degraded" : "ready";
+        root.stale = name === "stale";
+        root.lastError = name === "stale" ? "unreachable" : "";
+    }
+
+    function clearFixture(): void {
+        root.fixtureMode = false;
+        root.phase = "loading";
+        root.entities = [];
+        root.stale = false;
+        root.busyEntityId = "";
+        root.lastError = "";
+        root.refresh();
+    }
+
+    Process {
+        id: refreshProc
+        command: [root.helperPath, "snapshot"]
+        stdout: StdioCollector {
+            onStreamFinished: root.consumeSnapshot(this.text)
+        }
+    }
+
+    Process {
+        id: actionProc
+        stdout: StdioCollector {
+            onStreamFinished: root.consumeAction(this.text)
+        }
+        onExited: (code, status) => {
+            if (root.busyEntityId !== "")
+                root.consumeAction("");
+        }
+    }
+
+    Timer {
+        interval: 60000
+        repeat: true
+        running: ShellState.quickSettingsOpen && !root.fixtureMode
+        onTriggered: root.refresh()
+    }
+
+    Timer {
+        id: refreshDelay
+        interval: 350
+        onTriggered: root.refresh()
+    }
+
+    Component.onCompleted: root.refresh()
+}
diff --git a/config/dot/quickshell/services/KdeConnect.qml b/config/dot/quickshell/services/KdeConnect.qml
new file mode 100644
index 0000000..fdb66be
--- /dev/null
+++ b/config/dot/quickshell/services/KdeConnect.qml
@@ -0,0 +1,222 @@
+pragma Singleton
+
+// Shared KDE Connect state. The Python helper owns all CLI and D-Bus parsing;
+// this singleton exposes only normalized devices and user-initiated actions.
+
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+Singleton {
+    id: root
+
+    readonly property string helperPath: Quickshell.shellDir + "/scripts/panama-kdeconnect"
+
+    property bool fixtureMode: false
+    property bool available: false
+    property var devices: []
+    property string lastError: ""
+
+    property bool transferActive: false
+    property string transferFileName: ""
+    property string transferDeviceName: ""
+    property var recentExchange: null
+
+    property string actionKind: ""
+    property string actionPath: ""
+
+    readonly property var preferredPhone: {
+        const phones = root.devices.filter(device => device.type === "phone" && device.paired);
+        return phones.find(device => device.reachable) ?? phones[0] ?? null;
+    }
+    readonly property bool phoneReachable: root.preferredPhone?.reachable === true
+    readonly property int pairedCount: root.devices.filter(device => device.paired).length
+    readonly property var phoneActions: root.preferredPhone?.actions ?? []
+
+    function supports(action: string): bool {
+        return root.phoneActions.indexOf(action) >= 0;
+    }
+
+    function refresh(): void {
+        if (root.fixtureMode || statusProc.running)
+            return;
+        statusProc.running = true;
+    }
+
+    function consumeStatus(text: string): void {
+        if (root.fixtureMode)
+            return;
+        try {
+            const result = JSON.parse(text);
+            root.available = result.available === true;
+            root.devices = Array.isArray(result.devices) ? result.devices : [];
+            root.lastError = String(result.error ?? "");
+        } catch (error) {
+            root.available = false;
+            root.devices = [];
+            root.lastError = "invalid-response";
+        }
+    }
+
+    function sendFile(path: string): void {
+        if (!root.phoneReachable || !root.supports("share") || path === "" || actionProc.running)
+            return;
+        root.actionKind = "share";
+        root.actionPath = path;
+        root.transferActive = true;
+        root.transferFileName = path.split("/").pop();
+        root.transferDeviceName = root.preferredPhone.name;
+        actionProc.command = [root.helperPath, "send-file", root.preferredPhone.id, path];
+        actionProc.running = true;
+    }
+
+    function sendClipboard(): void {
+        root.runSimpleAction("clipboard", "send-clipboard");
+    }
+
+    function ring(): void {
+        root.runSimpleAction("ring", "ring");
+    }
+
+    function runSimpleAction(kind: string, command: string): void {
+        if (!root.phoneReachable || !root.supports(kind) || actionProc.running)
+            return;
+        root.actionKind = kind;
+        root.actionPath = "";
+        actionProc.command = [root.helperPath, command, root.preferredPhone.id];
+        actionProc.running = true;
+    }
+
+    function cancelTransfer(): void {
+        if (actionProc.running && root.actionKind === "share")
+            actionProc.signal(2);
+        root.actionKind = "";
+        root.actionPath = "";
+        root.transferActive = false;
+        root.transferFileName = "";
+        root.transferDeviceName = "";
+    }
+
+    function finishAction(text: string): void {
+        if (root.actionKind === "")
+            return;
+
+        const kind = root.actionKind;
+        const localPath = root.actionPath;
+        const fileName = root.transferFileName;
+        const deviceName = root.transferDeviceName || root.preferredPhone?.name || "Phone";
+        let result = null;
+        try {
+            result = JSON.parse(text);
+        } catch (error) {
+            result = { ok: false, error: "invalid-response" };
+        }
+
+        root.actionKind = "";
+        root.actionPath = "";
+        if (kind === "share") {
+            root.transferActive = false;
+            root.transferFileName = "";
+            root.transferDeviceName = "";
+        }
+
+        if (result.ok === true && kind === "share") {
+            root.recentExchange = {
+                direction: "sent",
+                fileName: String(result.fileName || fileName),
+                deviceName,
+                timestamp: Date.now()
+            };
+            StatusEvents.publish({
+                key: "phone-transfer",
+                glyph: "\u{F03F2}",
+                title: "Sent to " + deviceName,
+                detail: String(result.fileName || fileName),
+                tone: "ok",
+                priority: StatusEvents.importantPriority,
+                actionId: localPath !== "" ? "open-path" : "",
+                actionData: localPath
+            });
+        } else if (result.ok !== true) {
+            root.lastError = String(result.error || "action-failed");
+            StatusEvents.publish({
+                key: "phone-action",
+                glyph: "\u{F03F2}",
+                title: kind === "share" ? "File was not sent" : "Phone action failed",
+                detail: "Check that the phone is nearby and try again",
+                tone: "warn",
+                priority: StatusEvents.importantPriority
+            });
+        }
+        refreshDelay.restart();
+    }
+
+    function applyFixture(name: string): void {
+        if (["reachable", "offline", "transfer"].indexOf(name) < 0)
+            return;
+        root.fixtureMode = true;
+        root.available = true;
+        root.lastError = "";
+        root.recentExchange = null;
+        root.devices = [{
+            id: "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
+            name: "Fixture iPhone",
+            type: "phone",
+            paired: true,
+            reachable: name !== "offline",
+            actions: ["clipboard", "ping", "ring", "share"]
+        }];
+        root.transferActive = name === "transfer";
+        root.transferFileName = name === "transfer" ? "Fixture document.pdf" : "";
+        root.transferDeviceName = name === "transfer" ? "Fixture iPhone" : "";
+        root.actionKind = name === "transfer" ? "share" : "";
+        root.actionPath = "";
+    }
+
+    function clearFixture(): void {
+        root.fixtureMode = false;
+        root.available = false;
+        root.devices = [];
+        root.lastError = "";
+        root.transferActive = false;
+        root.transferFileName = "";
+        root.transferDeviceName = "";
+        root.actionKind = "";
+        root.actionPath = "";
+        root.recentExchange = null;
+        root.refresh();
+    }
+
+    Process {
+        id: statusProc
+        command: [root.helperPath, "status"]
+        stdout: StdioCollector {
+            onStreamFinished: root.consumeStatus(this.text)
+        }
+    }
+
+    Process {
+        id: actionProc
+        stdout: StdioCollector {
+            onStreamFinished: root.finishAction(this.text)
+        }
+        onExited: (code, status) => {
+            if (root.actionKind !== "")
+                root.finishAction("");
+        }
+    }
+
+    Timer {
+        interval: 30000
+        repeat: true
+        running: !root.fixtureMode
+        triggeredOnStart: true
+        onTriggered: root.refresh()
+    }
+
+    Timer {
+        id: refreshDelay
+        interval: 500
+        onTriggered: root.refresh()
+    }
+}
diff --git a/config/dot/quickshell/services/Ongoing.qml b/config/dot/quickshell/services/Ongoing.qml
index 1ae43f2..67c2f77 100644
--- a/config/dot/quickshell/services/Ongoing.qml
+++ b/config/dot/quickshell/services/Ongoing.qml
@@ -54,6 +54,18 @@ Singleton {
         if (PrivacyState.microphoneActive)
             result.push(root.privacyActivity("microphone", "\u{F036C}", "Microphone", PrivacyState.microphoneApp));
 
+        if (KdeConnect.transferActive) {
+            result.push({
+                kind: "phone-transfer",
+                glyph: "\u{F03F2}",
+                label: "Sending to " + (KdeConnect.transferDeviceName || "Phone"),
+                detail: KdeConnect.transferFileName || "Preparing file",
+                state: "Sending",
+                tone: "accent",
+                action: "Cancel"
+            });
+        }
+
         return result;
     }
 
@@ -83,6 +95,8 @@ Singleton {
     function activate(kind: string): void {
         if (kind === "focus")
             FocusSession.activateWorkspace();
+        else if (kind === "phone-transfer")
+            ShellState.open("quicksettings");
         else if (["recording", "screen", "camera", "microphone"].indexOf(kind) >= 0)
             ShellState.open("activity");
     }
@@ -94,5 +108,7 @@ Singleton {
             Caffeine.toggle();
         else if (kind === "recording")
             Capture.stopRecording();
+        else if (kind === "phone-transfer")
+            KdeConnect.cancelTransfer();
     }
 }
diff --git a/config/dot/quickshell/shell.qml b/config/dot/quickshell/shell.qml
index c8bc237..3401581 100644
--- a/config/dot/quickshell/shell.qml
+++ b/config/dot/quickshell/shell.qml
@@ -221,6 +221,50 @@ ShellRoot {
     IpcHandler {
         target: "quicksettings"
         function toggle(): void { ShellState.toggle("quicksettings"); }
+        function open(): void { ShellState.open("quicksettings"); }
+        function close(): void { ShellState.close(); }
+        function status(): string {
+            return JSON.stringify({ open: ShellState.quickSettingsOpen });
+        }
+    }
+
+    IpcHandler {
+        target: "kdeconnect"
+        function fixture(name: string): void { KdeConnect.applyFixture(name); }
+        function reset(): void { KdeConnect.clearFixture(); }
+        function refresh(): void { KdeConnect.refresh(); }
+        function cancel(): void { KdeConnect.cancelTransfer(); }
+        function status(): string {
+            return JSON.stringify({
+                fixture: KdeConnect.fixtureMode,
+                available: KdeConnect.available,
+                reachable: KdeConnect.phoneReachable,
+                pairedCount: KdeConnect.pairedCount,
+                actionCount: KdeConnect.phoneActions.length,
+                transferActive: KdeConnect.transferActive,
+                transferFileName: KdeConnect.transferFileName,
+                ongoingCount: Ongoing.activities.filter(item => item.kind === "phone-transfer").length,
+                lastError: KdeConnect.lastError
+            });
+        }
+    }
+
+    IpcHandler {
+        target: "home-assistant"
+        function fixture(name: string): void { HomeAssistant.applyFixture(name); }
+        function reset(): void { HomeAssistant.clearFixture(); }
+        function refresh(): void { HomeAssistant.refresh(); }
+        function status(): string {
+            return JSON.stringify({
+                fixture: HomeAssistant.fixtureMode,
+                phase: HomeAssistant.phase,
+                configuredCount: HomeAssistant.configuredCount,
+                visibleCount: HomeAssistant.visibleEntities.length,
+                stale: HomeAssistant.stale,
+                busy: HomeAssistant.busyEntityId !== "",
+                lastError: HomeAssistant.lastError
+            });
+        }
     }
 
     IpcHandler {
diff --git a/tests/quickshell/control-center-services-contract.sh b/tests/quickshell/control-center-services-contract.sh
new file mode 100755
index 0000000..ecd4946
--- /dev/null
+++ b/tests/quickshell/control-center-services-contract.sh
@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+fail() {
+    printf 'Control Center services contract: %s\n' "$1" >&2
+    exit 1
+}
+
+cleanup() {
+    qs ipc call kdeconnect reset >/dev/null 2>&1 || true
+    qs ipc call home-assistant reset >/dev/null 2>&1 || true
+    qs ipc call status-events reset >/dev/null 2>&1 || true
+    qs ipc call quicksettings close >/dev/null 2>&1 || true
+}
+trap cleanup EXIT
+
+qs ipc show | rg -q '^target kdeconnect$' \
+    || fail 'KDE Connect IPC target is missing'
+qs ipc show | rg -q '^target home-assistant$' \
+    || fail 'Home Assistant IPC target is missing'
+
+qs ipc call kdeconnect fixture reachable >/dev/null
+jq -e '
+    .fixture == true and
+    .available == true and
+    .reachable == true and
+    .actionCount == 4 and
+    .transferActive == false and
+    .ongoingCount == 0
+' <<<"$(qs ipc call kdeconnect status)" >/dev/null \
+    || fail 'reachable phone fixture is malformed'
+
+qs ipc call kdeconnect fixture offline >/dev/null
+jq -e '
+    .fixture == true and
+    .available == true and
+    .reachable == false and
+    .pairedCount == 1 and
+    .ongoingCount == 0
+' <<<"$(qs ipc call kdeconnect status)" >/dev/null \
+    || fail 'offline phone fixture is malformed'
+
+qs ipc call kdeconnect fixture transfer >/dev/null
+jq -e '
+    .fixture == true and
+    .transferActive == true and
+    .transferFileName == "Fixture document.pdf" and
+    .ongoingCount == 1
+' <<<"$(qs ipc call kdeconnect status)" >/dev/null \
+    || fail 'phone transfer did not enter Ongoing'
+
+qs ipc call kdeconnect cancel >/dev/null
+jq -e '.transferActive == false and .ongoingCount == 0' \
+    <<<"$(qs ipc call kdeconnect status)" >/dev/null \
+    || fail 'phone transfer did not leave Ongoing'
+
+qs ipc call home-assistant fixture ready >/dev/null
+jq -e '
+    .fixture == true and
+    .phase == "ready" and
+    .configuredCount == 7 and
+    .visibleCount == 4 and
+    .stale == false and
+    .lastError == ""
+' <<<"$(qs ipc call home-assistant status)" >/dev/null \
+    || fail 'ready Home fixture is malformed'
+
+qs ipc call home-assistant fixture stale >/dev/null
+jq -e '
+    .fixture == true and
+    .phase == "degraded" and
+    .configuredCount == 7 and
+    .visibleCount == 4 and
+    .stale == true and
+    .lastError == "unreachable"
+' <<<"$(qs ipc call home-assistant status)" >/dev/null \
+    || fail 'stale Home fixture did not retain entities'
+
+qs ipc call home-assistant fixture unavailable >/dev/null
+jq -e '
+    .fixture == true and
+    .phase == "unavailable" and
+    .configuredCount == 0 and
+    .visibleCount == 0 and
+    .lastError == "not-configured"
+' <<<"$(qs ipc call home-assistant status)" >/dev/null \
+    || fail 'unavailable Home fixture is malformed'
+
+trap - EXIT
+cleanup
+printf 'Control Center services contract: PASS\n'