diff --git a/client-gui2 b/client-gui2
index bee662d1..f4710c25 160000
--- a/client-gui2
+++ b/client-gui2
@@ -1 +1 @@
-Subproject commit bee662d1498985ab6ddaab4d5f51c4b8bda56818
+Subproject commit f4710c25be8925ce642ae4967abe63e4d67199b2
diff --git a/common/proto/backup.proto b/common/proto/backup.proto
index c27f2f3e..d5408441 100644
--- a/common/proto/backup.proto
+++ b/common/proto/backup.proto
@@ -104,12 +104,12 @@ message BackupOperationResponse {
 }
 
 message BackupInfoResponse {
+  reserved 6, 22, 23, 24;
   bool success = 1;
   string output = 2;
   string server_version = 3;
   string database_name = 4;
   bool database_healthy = 5;
-  bool search_healthy = 6;
   bool ecb_healthy = 7;
   string ecb_status = 8;
   string dump_directory = 9;
diff --git a/common/proto/search.proto b/common/proto/search.proto
index 8e4f5448..bc11e840 100644
--- a/common/proto/search.proto
+++ b/common/proto/search.proto
@@ -2,11 +2,36 @@
 syntax = "proto3";
 package komp_ac.search;
 
+import "common.proto";
+
 service Searcher {
   rpc Search(SearchRequest) returns (SearchResponse);
   rpc Count(SearchRequest) returns (SearchCountResponse);
 }
 
+service SearchHealth {
+  rpc GetHealth(komp_ac.common.Empty) returns (SearchHealthResponse);
+}
+
+message SearchIndexError {
+  int64 job_id = 1;
+  string profile_name = 2;
+  string table_name = 3;
+  int64 row_id = 4;
+  string operation = 5;
+  int32 attempts = 6;
+  string last_error = 7;
+}
+
+message SearchHealthResponse {
+  bool enabled = 1;
+  bool ready = 2;
+  bool healthy = 3;
+  uint64 pending_jobs = 4;
+  uint64 retrying_jobs = 5;
+  repeated SearchIndexError errors = 6;
+}
+
 message SearchCountResponse {
   uint64 count = 1;
 }
diff --git a/common/src/proto/descriptor.bin b/common/src/proto/descriptor.bin
index 124ca415..40435b67 100644
Binary files a/common/src/proto/descriptor.bin and b/common/src/proto/descriptor.bin differ
diff --git a/common/src/proto/komp_ac.backup.rs b/common/src/proto/komp_ac.backup.rs
index 0c3df534..77f2b1e9 100644
--- a/common/src/proto/komp_ac.backup.rs
+++ b/common/src/proto/komp_ac.backup.rs
@@ -111,8 +111,6 @@ pub struct BackupInfoResponse {
     pub database_name: ::prost::alloc::string::String,
     #[prost(bool, tag = "5")]
     pub database_healthy: bool,
-    #[prost(bool, tag = "6")]
-    pub search_healthy: bool,
     #[prost(bool, tag = "7")]
     pub ecb_healthy: bool,
     #[prost(string, tag = "8")]
diff --git a/common/src/proto/komp_ac.search.rs b/common/src/proto/komp_ac.search.rs
index f853e849..3ef3324d 100644
--- a/common/src/proto/komp_ac.search.rs
+++ b/common/src/proto/komp_ac.search.rs
@@ -1,5 +1,39 @@
 // This file is @generated by prost-build.
 #[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
+pub struct SearchIndexError {
+    #[prost(int64, tag = "1")]
+    pub job_id: i64,
+    #[prost(string, tag = "2")]
+    pub profile_name: ::prost::alloc::string::String,
+    #[prost(string, tag = "3")]
+    pub table_name: ::prost::alloc::string::String,
+    #[prost(int64, tag = "4")]
+    pub row_id: i64,
+    #[prost(string, tag = "5")]
+    pub operation: ::prost::alloc::string::String,
+    #[prost(int32, tag = "6")]
+    pub attempts: i32,
+    #[prost(string, tag = "7")]
+    pub last_error: ::prost::alloc::string::String,
+}
+#[derive(serde::Serialize, serde::Deserialize)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SearchHealthResponse {
+    #[prost(bool, tag = "1")]
+    pub enabled: bool,
+    #[prost(bool, tag = "2")]
+    pub ready: bool,
+    #[prost(bool, tag = "3")]
+    pub healthy: bool,
+    #[prost(uint64, tag = "4")]
+    pub pending_jobs: u64,
+    #[prost(uint64, tag = "5")]
+    pub retrying_jobs: u64,
+    #[prost(message, repeated, tag = "6")]
+    pub errors: ::prost::alloc::vec::Vec<SearchIndexError>,
+}
+#[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct SearchCountResponse {
     #[prost(uint64, tag = "1")]
@@ -538,3 +572,302 @@ pub mod searcher_server {
         const NAME: &'static str = SERVICE_NAME;
     }
 }
+/// Generated client implementations.
+pub mod search_health_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    #[derive(Debug, Clone)]
+    pub struct SearchHealthClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl SearchHealthClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> SearchHealthClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::Body>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> SearchHealthClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::Body>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::Body>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::Body>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            SearchHealthClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        pub async fn get_health(
+            &mut self,
+            request: impl tonic::IntoRequest<super::super::common::Empty>,
+        ) -> std::result::Result<
+            tonic::Response<super::SearchHealthResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic_prost::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/komp_ac.search.SearchHealth/GetHealth",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("komp_ac.search.SearchHealth", "GetHealth"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}
+/// Generated server implementations.
+pub mod search_health_server {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    /// Generated trait containing gRPC methods that should be implemented for use with SearchHealthServer.
+    #[async_trait]
+    pub trait SearchHealth: std::marker::Send + std::marker::Sync + 'static {
+        async fn get_health(
+            &self,
+            request: tonic::Request<super::super::common::Empty>,
+        ) -> std::result::Result<
+            tonic::Response<super::SearchHealthResponse>,
+            tonic::Status,
+        >;
+    }
+    #[derive(Debug)]
+    pub struct SearchHealthServer<T> {
+        inner: Arc<T>,
+        accept_compression_encodings: EnabledCompressionEncodings,
+        send_compression_encodings: EnabledCompressionEncodings,
+        max_decoding_message_size: Option<usize>,
+        max_encoding_message_size: Option<usize>,
+    }
+    impl<T> SearchHealthServer<T> {
+        pub fn new(inner: T) -> Self {
+            Self::from_arc(Arc::new(inner))
+        }
+        pub fn from_arc(inner: Arc<T>) -> Self {
+            Self {
+                inner,
+                accept_compression_encodings: Default::default(),
+                send_compression_encodings: Default::default(),
+                max_decoding_message_size: None,
+                max_encoding_message_size: None,
+            }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> InterceptedService<Self, F>
+        where
+            F: tonic::service::Interceptor,
+        {
+            InterceptedService::new(Self::new(inner), interceptor)
+        }
+        /// Enable decompressing requests with the given encoding.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.accept_compression_encodings.enable(encoding);
+            self
+        }
+        /// Compress responses with the given encoding, if the client supports it.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.send_compression_encodings.enable(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.max_decoding_message_size = Some(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.max_encoding_message_size = Some(limit);
+            self
+        }
+    }
+    impl<T, B> tonic::codegen::Service<http::Request<B>> for SearchHealthServer<T>
+    where
+        T: SearchHealth,
+        B: Body + std::marker::Send + 'static,
+        B::Error: Into<StdError> + std::marker::Send + 'static,
+    {
+        type Response = http::Response<tonic::body::Body>;
+        type Error = std::convert::Infallible;
+        type Future = BoxFuture<Self::Response, Self::Error>;
+        fn poll_ready(
+            &mut self,
+            _cx: &mut Context<'_>,
+        ) -> Poll<std::result::Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
+        }
+        fn call(&mut self, req: http::Request<B>) -> Self::Future {
+            match req.uri().path() {
+                "/komp_ac.search.SearchHealth/GetHealth" => {
+                    #[allow(non_camel_case_types)]
+                    struct GetHealthSvc<T: SearchHealth>(pub Arc<T>);
+                    impl<
+                        T: SearchHealth,
+                    > tonic::server::UnaryService<super::super::common::Empty>
+                    for GetHealthSvc<T> {
+                        type Response = super::SearchHealthResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::super::common::Empty>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as SearchHealth>::get_health(&inner, request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let method = GetHealthSvc(inner);
+                        let codec = tonic_prost::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
+                _ => {
+                    Box::pin(async move {
+                        let mut response = http::Response::new(
+                            tonic::body::Body::default(),
+                        );
+                        let headers = response.headers_mut();
+                        headers
+                            .insert(
+                                tonic::Status::GRPC_STATUS,
+                                (tonic::Code::Unimplemented as i32).into(),
+                            );
+                        headers
+                            .insert(
+                                http::header::CONTENT_TYPE,
+                                tonic::metadata::GRPC_CONTENT_TYPE,
+                            );
+                        Ok(response)
+                    })
+                }
+            }
+        }
+    }
+    impl<T> Clone for SearchHealthServer<T> {
+        fn clone(&self) -> Self {
+            let inner = self.inner.clone();
+            Self {
+                inner,
+                accept_compression_encodings: self.accept_compression_encodings,
+                send_compression_encodings: self.send_compression_encodings,
+                max_decoding_message_size: self.max_decoding_message_size,
+                max_encoding_message_size: self.max_encoding_message_size,
+            }
+        }
+    }
+    /// Generated gRPC service name
+    pub const SERVICE_NAME: &str = "komp_ac.search.SearchHealth";
+    impl<T> tonic::server::NamedService for SearchHealthServer<T> {
+        const NAME: &'static str = SERVICE_NAME;
+    }
+}
diff --git a/packaging/flatpak/README.md b/packaging/flatpak/README.md
index 2cc87270..6d2315e8 100644
--- a/packaging/flatpak/README.md
+++ b/packaging/flatpak/README.md
@@ -12,13 +12,20 @@ binary are downloaded by `flatpak-builder` as checksum-pinned sources.
 
 ## Build
 
-Install `flatpak` and `flatpak-builder` through the host package manager, then
-run from the repository root:
+Install `flatpak`, `flatpak-builder`, and `appstreamcli` through the host package
+manager, then run from the repository root:
 
 ```sh
 packaging/flatpak/build.sh
 ```
 
+On NixOS, all three tools can be provided without changing the system
+configuration:
+
+```sh
+nix shell nixpkgs#flatpak nixpkgs#flatpak-builder nixpkgs#appstream
+```
+
 The script configures the per-user Flathub remote when necessary, installs the
 GNOME SDK and SDK extensions through `flatpak-builder`, retains its reusable
 cache below `${XDG_CACHE_HOME:-$HOME/.cache}/komp-ac-flatpak-builder`, and
diff --git a/packaging/flatpak/build.sh b/packaging/flatpak/build.sh
index 982e997b..75f54981 100755
--- a/packaging/flatpak/build.sh
+++ b/packaging/flatpak/build.sh
@@ -20,7 +20,7 @@ if [[ "$(uname -m)" != x86_64 ]]; then
     echo "The Flatpak production build currently supports x86_64 only" >&2
     exit 1
 fi
-for command in flatpak flatpak-builder; do
+for command in flatpak flatpak-builder appstreamcli; do
     if ! command -v "$command" >/dev/null 2>&1; then
         echo "$command is required to build the Flatpak" >&2
         exit 1
diff --git a/server b/server
index 652c3f68..c0d3d853 160000
--- a/server
+++ b/server
@@ -1 +1 @@
-Subproject commit 652c3f685b6855867f21efbe33ee871ef39373a2
+Subproject commit c0d3d85384d03d9b7f41d9b96b1dfd6a47ced095