diff --git a/CMakeLists.txt b/CMakeLists.txt
index a1b7694bb..ef02c53ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -244,6 +244,7 @@ set(JS_DIRS
     services/user/Supervisor/ui:Supervisor_js
     services/user/Explorer/ui:Explorer_js
     services/user/Tokens/ui:Tokens_js
+    services/user/Chainmail/ui:Chainmail_js
 )
 set(ADMIN_DIR services/user/XAdmin/ui:XAdmin_js)
 set(COMMON_LIB_DIR services/user/CommonApi/common/packages/common-lib/:CommonApiCommonLib_js)
@@ -417,6 +418,12 @@ psibase_package(
     DEPENDS ${ClientDataPlugin_DEP}
 )
 
+cargo_psibase_package(
+    OUTPUT ${SERVICE_DIR}/Chainmail.psi
+    PATH services/user/Chainmail
+    DEPENDS ${Chainmail_js_DEP}
+)
+
 psibase_package(
     OUTPUT ${SERVICE_DIR}/AuthSig.psi
     NAME AuthSig
@@ -738,7 +745,7 @@ psibase_package(
     NAME DevDefault
     VERSION ${PSIBASE_VERSION}
     DESCRIPTION "All development services"
-    PACKAGE_DEPENDS Accounts AuthAny AuthSig AuthDelegate ClientData CommonApi CpuLimit 
+    PACKAGE_DEPENDS Accounts AuthAny AuthSig AuthDelegate Chainmail ClientData CommonApi CpuLimit 
                     Docs Events Explorer Fractal Invite Nft Packages Producers HttpServer
                     Sites SetCode Supervisor Symbol TokenUsers Tokens Transact Homepage
 )
@@ -748,7 +755,7 @@ psibase_package(
     NAME ProdDefault
     VERSION ${PSIBASE_VERSION}
     DESCRIPTION "All production services"
-    PACKAGE_DEPENDS Accounts AuthAny AuthSig AuthDelegate ClientData CommonApi CpuLimit 
+    PACKAGE_DEPENDS Accounts AuthAny AuthSig AuthDelegate Chainmail ClientData CommonApi CpuLimit 
                     Docs Events Explorer Fractal Invite Nft Packages Producers HttpServer
                     Sites SetCode Supervisor Symbol Tokens Transact Homepage
 )
@@ -777,7 +784,7 @@ function(write_package_index target dir)
 endfunction()
 
 write_package_index(package-index ${SERVICE_DIR}
-    Accounts AuthAny AuthSig ClientData CommonApi CpuLimit DevDefault ProdDefault
+    Accounts AuthAny AuthSig Chainmail ClientData CommonApi CpuLimit DevDefault ProdDefault
     Docs Events Explorer Fractal Invite Nft Nop Minimal Packages Producers HttpServer
     Sites SetCode Supervisor Symbol TokenUsers Tokens Transact Homepage)
 
@@ -787,6 +794,7 @@ install(
           ${SERVICE_DIR}/AuthAny.psi
           ${SERVICE_DIR}/AuthDelegate.psi
           ${SERVICE_DIR}/AuthSig.psi
+          ${SERVICE_DIR}/Chainmail.psi
           ${SERVICE_DIR}/ClientData.psi
           ${SERVICE_DIR}/CommonApi.psi
           ${SERVICE_DIR}/DevDefault.psi
diff --git a/doc/psidk/src/development/services/rust-service/package.md b/doc/psidk/src/development/services/rust-service/package.md
index b85d78ac5..ec08eeb43 100644
--- a/doc/psidk/src/development/services/rust-service/package.md
+++ b/doc/psidk/src/development/services/rust-service/package.md
@@ -21,6 +21,7 @@ Example:
 [package]
 name = "example"
 version = "0.1.0"
+description = "An example package"
 
 [package.metadata.psibase]
 # Builds example.psi
diff --git a/libraries/psibase/sdk/pack_service.cmake b/libraries/psibase/sdk/pack_service.cmake
index 8c0f0d19e..0c634a12f 100644
--- a/libraries/psibase/sdk/pack_service.cmake
+++ b/libraries/psibase/sdk/pack_service.cmake
@@ -306,3 +306,42 @@ function(psibase_package)
     )
     add_custom_target(${_NAME} ALL DEPENDS ${_OUTPUT})
 endfunction()
+
+# Description:              - Use this function when you want to add additional details to a package that is 
+#                             built/managed by cargo-psibase, as opposed to packages built entirely using CMake.
+# OUTPUT <filename>         - [Required] The package file.
+# PATH <filepath>           - [Required] The path to the cargo workspace (e.g. `services/user/Branding`).
+# DEPENDS <targets>...      - Targets that this target depends on
+function(cargo_psibase_package)
+    cmake_parse_arguments(ARG "" "PATH;OUTPUT;DEPENDS" "" ${ARGN})
+
+    if(NOT ARG_PATH OR NOT ARG_OUTPUT)
+        message(FATAL_ERROR "Both PATH and OUTPUT must be specified for cargo_psibase_package")
+    endif()
+
+    # Set variables
+    get_filename_component(PACKAGE_NAME ${ARG_OUTPUT} NAME)
+    get_filename_component(TARGET_NAME ${ARG_OUTPUT} NAME_WE)
+    set(PACKAGE_OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/${ARG_PATH}/target/wasm32-wasi/release/packages/${PACKAGE_NAME})
+
+    # Build the package if needed
+    ExternalProject_Add(${TARGET_NAME}_ext
+        SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${ARG_PATH}
+        BUILD_BYPRODUCTS ${PACKAGE_OUTPUT}
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND ${CMAKE_CURRENT_BINARY_DIR}/rust/release/cargo-psibase package
+            --manifest-path ${CMAKE_CURRENT_SOURCE_DIR}/${ARG_PATH}/Cargo.toml
+        INSTALL_COMMAND ""
+        BUILD_ALWAYS 1
+        DEPENDS ${ARG_DEPENDS} cargo-psibase
+    )
+
+    add_custom_command(
+        OUTPUT ${ARG_OUTPUT}
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different ${PACKAGE_OUTPUT} ${ARG_OUTPUT}
+        DEPENDS ${PACKAGE_OUTPUT}
+        DEPENDS ${TARGET_NAME}_ext
+        VERBATIM
+    )
+    add_custom_target(${TARGET_NAME} ALL DEPENDS ${ARG_OUTPUT} cargo-psibase)
+endfunction()
\ No newline at end of file
diff --git a/libraries/psio/include/psio/check.hpp b/libraries/psio/include/psio/check.hpp
index 0d3a4b229..7e029a6df 100644
--- a/libraries/psio/include/psio/check.hpp
+++ b/libraries/psio/include/psio/check.hpp
@@ -17,7 +17,7 @@ namespace psio
    template <typename T>
    [[noreturn]] void abort_error(const T& msg)
    {
-#ifdef __cpp_exceptions
+#ifndef COMPILING_WASM
       throw std::runtime_error((std::string)error_to_str(msg));
 #else
       psibase::abortMessage(error_to_str(msg));
diff --git a/libraries/psio/include/psio/view.hpp b/libraries/psio/include/psio/view.hpp
index 877022bde..4c5961633 100644
--- a/libraries/psio/include/psio/view.hpp
+++ b/libraries/psio/include/psio/view.hpp
@@ -221,7 +221,7 @@ namespace psio
          (void)unpack_numeric<false>(&offset, this->data, pos, 4);
          if (offset == 1)
          {
-#ifdef __cpp_exceptions
+#ifndef COMPILING_WASM
             throw std::bad_optional_access{};
 #else
             abort_error("bad optional access");
@@ -340,7 +340,7 @@ namespace psio
       }
       else
       {
-#ifdef __cpp_exceptions
+#ifndef COMPILING_WASM
          throw std::bad_variant_access{};
 #else
          abort_error("bad variant access");
@@ -358,7 +358,7 @@ namespace psio
       }
       else
       {
-#ifdef __cpp_exceptions
+#ifndef COMPILING_WASM
          throw std::bad_variant_access{};
 #else
          abort_error("bad variant access");
@@ -556,7 +556,7 @@ namespace psio
          }
          else
          {
-#ifdef __cpp_exceptions
+#ifndef COMPILING_WASM
             throw std::out_of_range("view<vector> our of range");
 #else
             abort_error("view<vector> our of range");
@@ -625,7 +625,7 @@ namespace psio
          }
          else
          {
-#ifdef __cpp_exceptions
+#ifndef COMPILING_WASM
             throw std::out_of_range("view<string> out of range");
 #else
             abort_error("view<string> out of range");
diff --git a/programs/psinode/main.cpp b/programs/psinode/main.cpp
index 0d99e7d49..e481f0313 100644
--- a/programs/psinode/main.cpp
+++ b/programs/psinode/main.cpp
@@ -1439,8 +1439,9 @@ void to_config(const PsinodeConfig& config, ConfigFile& file)
    if (!config.tls.trustfiles.empty())
    {
       file.set(
-          "", "tls-trustfile", config.tls.trustfiles, [](std::string_view text)
-          { return std::string(text); }, "A file containing trusted certificate authorities");
+          "", "tls-trustfile", config.tls.trustfiles,
+          [](std::string_view text) { return std::string(text); },
+          "A file containing trusted certificate authorities");
    }
 #endif
    if (!config.services.empty())
@@ -1451,8 +1452,9 @@ void to_config(const PsinodeConfig& config, ConfigFile& file)
          services.push_back(to_string(service));
       }
       file.set(
-          "", "service", services, [](std::string_view text)
-          { return service_from_string(text).host; }, "Native service root directory");
+          "", "service", services,
+          [](std::string_view text) { return service_from_string(text).host; },
+          "Native service root directory");
    }
    if (!std::holds_alternative<http::admin_none>(config.admin))
    {
@@ -1480,6 +1482,7 @@ void to_config(const PsinodeConfig& config, ConfigFile& file)
    // private keys.
    file.keep("", "key");
    file.keep("", "leeway");
+   file.keep("", "database-cache-size");
    //
    to_config(config.loggers, file);
 }
diff --git a/rust/cargo-psibase/src/package.rs b/rust/cargo-psibase/src/package.rs
index 0887614ac..7ed168583 100644
--- a/rust/cargo-psibase/src/package.rs
+++ b/rust/cargo-psibase/src/package.rs
@@ -326,13 +326,14 @@ pub async fn build_package(
         }
     };
 
-    let meta = Meta {
+    let mut meta = Meta {
         name: package_name.to_string(),
         version: package_version.to_string(),
         description: package_description.unwrap_or_else(|| package_name.to_string()),
         depends,
         accounts,
     };
+    meta.depends.sort_by(|a, b| a.name.cmp(&b.name));
 
     let mut service_wasms = Vec::new();
     for (service, info, id) in services {
diff --git a/rust/psibase/src/services/events.rs b/rust/psibase/src/services/events.rs
index d19fcb6bd..f84a45bd1 100644
--- a/rust/psibase/src/services/events.rs
+++ b/rust/psibase/src/services/events.rs
@@ -1,19 +1,15 @@
 #[crate::service(name = "events", dispatch = false, psibase_mod = "crate")]
 #[allow(non_snake_case, unused_variables)]
 mod service {
+    use crate::{AccountNumber, DbId, MethodNumber, Schema};
 
     #[action]
-    fn setSchema(schema: crate::Schema) {
+    fn setSchema(schema: Schema) {
         unimplemented!()
     }
 
     #[action]
-    fn addIndex(
-        db_id: crate::DbId,
-        service: crate::AccountNumber,
-        event: crate::MethodNumber,
-        column: u8,
-    ) {
+    fn addIndex(db_id: DbId, service: AccountNumber, event: MethodNumber, column: u8) {
         unimplemented!()
     }
 }
diff --git a/rust/test_package/Cargo.toml b/rust/test_package/Cargo.toml
index 65d1e5a8f..ab438fac4 100644
--- a/rust/test_package/Cargo.toml
+++ b/rust/test_package/Cargo.toml
@@ -1,5 +1,6 @@
 [package]
 name = "test_package"
+description = "Test for package building"
 version.workspace = true
 rust-version.workspace = true
 repository.workspace = true
@@ -9,7 +10,6 @@ publish = false
 
 [package.metadata.psibase]
 package-name = "TestPackage"
-description = "Test for package building"
 services = ["tpack"]
 
 [lib]
diff --git a/services/user/Branding/ui/src/App.tsx b/services/user/Branding/ui/src/App.tsx
index 9135d3a6c..56ec90b21 100644
--- a/services/user/Branding/ui/src/App.tsx
+++ b/services/user/Branding/ui/src/App.tsx
@@ -19,8 +19,7 @@ export const App = () => {
 
     const init = async () => {
         await supervisor.onLoaded();
-        supervisor.preLoadPlugins([{ service: "branding" }]);
-        setTimeout(getNetworkName, 1500);
+        await getNetworkName();
     };
 
     useEffect(() => {
diff --git a/services/user/Chainmail/Cargo.lock b/services/user/Chainmail/Cargo.lock
index 5ec65dd5b..c3fefaf5d 100644
--- a/services/user/Chainmail/Cargo.lock
+++ b/services/user/Chainmail/Cargo.lock
@@ -364,7 +364,7 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chainmail"
-version = "0.1.0"
+version = "0.12.0"
 dependencies = [
  "async-graphql",
  "chainmail_package",
@@ -374,7 +374,7 @@ dependencies = [
 
 [[package]]
 name = "chainmail_package"
-version = "0.0.0"
+version = "0.12.0"
 dependencies = [
  "chainmail",
  "plugin",
@@ -1438,7 +1438,7 @@ dependencies = [
 
 [[package]]
 name = "plugin"
-version = "0.1.0"
+version = "0.12.0"
 dependencies = [
  "chainmail",
  "chainmail_package",
diff --git a/services/user/Chainmail/Cargo.toml b/services/user/Chainmail/Cargo.toml
index fd3624b35..f6ec5bfd3 100644
--- a/services/user/Chainmail/Cargo.toml
+++ b/services/user/Chainmail/Cargo.toml
@@ -3,7 +3,7 @@ resolver = "2"
 members = ["service", "plugin"]
 
 [workspace.package]
-version = "0.1.0"
+version = "0.12.0"
 rust-version = "1.64"
 edition = "2021"
 repository = "https://github.com/gofractally/psibase"
@@ -12,6 +12,17 @@ publish = false
 
 [package]
 name = "chainmail_package"
+description = "Message-sending application"
+version.workspace = true
+rust-version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+publish.workspace = true
+
+[package.metadata.psibase]
+package-name = "Chainmail"
+services = ["chainmail"]
 
 [profile.release]
 codegen-units = 1
@@ -20,14 +31,9 @@ debug = false
 strip = true
 lto = true
 
-[package.metadata.psibase]
-package-name = "Chainmail"
-description = "Basic email app"
-services = ["chainmail"]
-
 [lib]
 crate-type = ["rlib"]
 
 [dependencies]
-chainmail = { path = "service" }
-plugin = { path = "plugin" }
+chainmail = { path = "service", version = "0.12.0" }
+plugin = { path = "plugin", version = "0.12.0" }
diff --git a/services/user/Chainmail/plugin/Cargo.toml b/services/user/Chainmail/plugin/Cargo.toml
index 1cba67759..4875410a0 100644
--- a/services/user/Chainmail/plugin/Cargo.toml
+++ b/services/user/Chainmail/plugin/Cargo.toml
@@ -26,4 +26,4 @@ world = "impl"
 "transact:plugin" = { path = "../../../system/Transact/plugin/wit/world.wit" }
 
 [dev-dependencies]
-chainmail_package = { path = ".." }
+chainmail_package = { path = "..", version = "0.12.0" }
diff --git a/services/user/Chainmail/service/Cargo.toml b/services/user/Chainmail/service/Cargo.toml
index 1f7a77320..54f375925 100644
--- a/services/user/Chainmail/service/Cargo.toml
+++ b/services/user/Chainmail/service/Cargo.toml
@@ -10,6 +10,18 @@ publish = false
 [package.metadata.psibase]
 server = "chainmail"
 plugin = "plugin"
+data = [{ src = "../ui/dist/", dst = "/" }]
+postinstall = [
+    { sender = "chainmail", service = "chainmail", method = "init", rawData = "0000" },
+]
+
+[package.metadata.psibase.dependencies]
+Accounts = "0.12.0"
+CommonApi = "0.12.0"
+SetCode = "0.12.0"
+HttpServer = "0.12.0"
+Supervisor = "0.12.0"
+Events = "0.12.0"
 
 [dependencies]
 psibase = { path = "../../../../rust/psibase/" }
@@ -17,4 +29,4 @@ async-graphql = "7.0.7"
 serde = { version = "1.0.209", features = ["derive"] }
 
 [dev-dependencies]
-chainmail_package = { path = ".." }
+chainmail_package = { path = "..", version = "0.12.0" }
diff --git a/services/user/Chainmail/service/src/lib.rs b/services/user/Chainmail/service/src/lib.rs
index 282421253..e795e4b09 100644
--- a/services/user/Chainmail/service/src/lib.rs
+++ b/services/user/Chainmail/service/src/lib.rs
@@ -99,14 +99,36 @@ fn serve_rest_api(request: &HttpRequest) -> Option<HttpReply> {
 
 #[psibase::service]
 mod service {
-    use psibase::services::accounts::Wrapper as AccountsSvc;
-    use psibase::{
-        anyhow, check, get_sender, get_service, serve_simple_ui, AccountNumber, HexBytes,
-        HttpReply, HttpRequest, Table,
-    };
+
+    use psibase::*;
+    use serde::{Deserialize, Serialize};
+    use services::accounts::Wrapper as AccountsSvc;
+    use services::events::Wrapper as EventsSvc;
 
     use crate::serve_rest_api;
 
+    #[table(name = "InitTable", index = 1)]
+    #[derive(Serialize, Deserialize, ToSchema, Fracpack)]
+    struct InitRow {}
+    impl InitRow {
+        #[primary_key]
+        fn pk(&self) {}
+    }
+
+    #[action]
+    fn init() {
+        let table = InitTable::new();
+        check(
+            table.get_index_pk().get(&()).is_none(),
+            "Service already initialized",
+        );
+        table.put(&InitRow {}).unwrap();
+
+        EventsSvc::call().setSchema(create_schema::<Wrapper>());
+        EventsSvc::call().addIndex(DbId::HistoryEvent, SERVICE, MethodNumber::from("sent"), 0);
+        EventsSvc::call().addIndex(DbId::HistoryEvent, SERVICE, MethodNumber::from("sent"), 1);
+    }
+
     #[action]
     fn send(receiver: AccountNumber, subject: String, body: String) {
         check(