diff --git a/CHANGELOG.md b/CHANGELOG.md
index 85c6931..cd886b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+- add-on: add links to config and log-file to the web-UI
+- fix some SonarQube warnings
+- remove unused 32-bit architectures
+- Babel don't build new po file if only the pot creation-date was changed
+- Improve Makefile
 - Update dependency pytest-asyncio to v1
 
 ## [0.14.1] - 2025-05-31
diff --git a/Makefile b/Makefile
index 5964e6e..394ac69 100644
--- a/Makefile
+++ b/Makefile
@@ -1,27 +1,37 @@
-.PHONY: build babel clean addon-dev addon-debug addon-rc addon-rel debug dev preview rc rel check-docker-compose install
+.PHONY: help build babel clean addon-dev addon-debug addon-rc addon-rel debug dev preview rc rel check-docker-compose install
 
-babel:
+help: ## show help message
+	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m\033[0m\n"} /^[$$()% a-zA-Z0-9_-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+
+babel:            ## build language files
 	$(MAKE) -C app $@
 
 build:
 	$(MAKE) -C ha_addons $@ 
 
-clean:
+clean:             ## delete all built files
 	$(MAKE) -C app $@
 	$(MAKE) -C ha_addons $@ 
 
-debug dev preview rc rel:
+debug dev preview rc rel:  ## build docker container in <dev|debg|rc|rel> version
 	$(MAKE) -C app babel
 	$(MAKE) -C app $@
 
-addon-dev addon-debug addon-rc addon-rel:
+addon-dev addon-debug addon-rc addon-rel: ## build HA add-on in <dev|debg|rc|rel> version
 	$(MAKE) -C app babel
 	$(MAKE) -C ha_addons $(patsubst addon-%,%,$@)
 
-check-docker-compose:
+check-docker-compose: ## check the docker-compose file
 	docker-compose config -q
 
-install:
-	python3 -m pip install --upgrade pip
-	python3 -m pip install -r requirements.txt
-	python3 -m pip install -r requirements-test.txt
\ No newline at end of file
+PY_VER := $(shell cat .python-version)
+
+install:           ## install requirements into the pyenv and switch to proper venv
+	@pyenv local $(PY_VER) || { pyenv install $(PY_VER) && pyenv local $(PY_VER) || exit 1; }
+	@pyenv exec pip install --upgrade pip
+	@pyenv exec pip install -r requirements.txt
+	@pyenv exec pip install -r requirements-test.txt
+	pyenv exec python --version
+
+run:  ## run proxy locally out of the actual venv
+	pyenv exec python app/src/server.py -c /app/src/cnf
\ No newline at end of file
diff --git a/app/Makefile b/app/Makefile
index 29be248..c192556 100644
--- a/app/Makefile
+++ b/app/Makefile
@@ -55,7 +55,7 @@ $(BABEL_TRANSLATIONS)/%.pot : $(SRC)/.babel.cfg $(BABEL_INPUT)
 
 $(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.po : $(BABEL_TRANSLATIONS)/messages.pot
 	@mkdir -p $(@D)
-	@pybabel update  --init-missing -i $< -d $(BABEL_TRANSLATIONS) -l $*
+	@pybabel update  --init-missing --ignore-pot-creation-date -i $< -d $(BABEL_TRANSLATIONS) -l $*
 
 $(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.mo : $(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.po
 	@pybabel compile  -d $(BABEL_TRANSLATIONS) -l $*
diff --git a/app/docker-bake.hcl b/app/docker-bake.hcl
index ba9d92b..324a68e 100644
--- a/app/docker-bake.hcl
+++ b/app/docker-bake.hcl
@@ -53,7 +53,7 @@ target "_common" {
   ]
 
   no-cache = false
-  platforms = ["linux/amd64", "linux/arm64", "linux/arm/v7"]
+  platforms = ["linux/amd64", "linux/arm64"]
 }
 
 target "_debug" {
diff --git a/app/requirements-test.txt b/app/requirements-test.txt
index 77b0b72..add2d3c 100644
--- a/app/requirements-test.txt
+++ b/app/requirements-test.txt
@@ -1,4 +1,4 @@
-    flake8==7.2.0
+    flake8==7.3.0
     pytest==8.4.1
     pytest-asyncio==1.0.0
     pytest-cov==6.2.1
diff --git a/app/src/gen3plus/solarman_v5.py b/app/src/gen3plus/solarman_v5.py
index 355890b..76d9297 100755
--- a/app/src/gen3plus/solarman_v5.py
+++ b/app/src/gen3plus/solarman_v5.py
@@ -341,9 +341,9 @@ class SolarmanV5(SolarmanBase):
         self.log_lvl.clear()
         super().close()
 
-    async def send_start_cmd(self, snr: int, host: str,
-                             forward: bool,
-                             start_timeout=MB_CLIENT_DATA_UP):
+    def send_start_cmd(self, snr: int, host: str,
+                       forward: bool,
+                       start_timeout=MB_CLIENT_DATA_UP):
         self.no_forwarding = True
         self.establish_inv_emu = forward
         self.snr = snr
diff --git a/app/src/messages.py b/app/src/messages.py
index 7c04121..1b50972 100644
--- a/app/src/messages.py
+++ b/app/src/messages.py
@@ -193,7 +193,7 @@ class Message(ProtocolIfc):
             return
         self.mb.build_msg(dev_id, func, addr, val, log_lvl)
 
-    async def send_modbus_cmd(self, func, addr, val, log_lvl) -> None:
+    def send_modbus_cmd(self, func, addr, val, log_lvl) -> None:
         self._send_modbus_cmd(Modbus.INV_ADDR, func, addr, val, log_lvl)
 
     def _send_modbus_scan(self):
diff --git a/app/src/modbus_tcp.py b/app/src/modbus_tcp.py
index 49786df..f51eef0 100644
--- a/app/src/modbus_tcp.py
+++ b/app/src/modbus_tcp.py
@@ -66,7 +66,7 @@ class ModbusTcp():
             try:
                 async with ModbusConn(host, port) as inverter:
                     stream = inverter.local.stream
-                    await stream.send_start_cmd(snr, host, forward)
+                    stream.send_start_cmd(snr, host, forward)
                     await stream.ifc.loop()
                     logger.info(f'[{stream.node_id}:{stream.conn_no}] '
                                 f'Connection closed - Shutdown: '
diff --git a/app/src/mqtt.py b/app/src/mqtt.py
index 886b264..2594512 100755
--- a/app/src/mqtt.py
+++ b/app/src/mqtt.py
@@ -112,7 +112,7 @@ class Mqtt(metaclass=Singleton):
             except asyncio.CancelledError:
                 logger_mqtt.debug("MQTT task cancelled")
                 self.__client = None
-                return
+                raise
             except Exception:
                 # self.inc_counter('SW_Exception')   # fixme
                 self.ctime = None
@@ -151,7 +151,7 @@ class Mqtt(metaclass=Singleton):
             if self.__cb_mqtt_is_up:
                 await self.__cb_mqtt_is_up()
 
-    async def _out_coeff(self, message):
+    def _out_coeff(self, message):
         payload = message.payload.decode("UTF-8")
         try:
             val = round(float(payload) * 1024/100)
@@ -160,9 +160,9 @@ class Mqtt(metaclass=Singleton):
                                   'the range 0..100,'
                                   f' got: {payload}')
             else:
-                await self._modbus_cmd(message,
-                                       Modbus.WRITE_SINGLE_REG,
-                                       0, 0x202c, val)
+                self._modbus_cmd(message,
+                                 Modbus.WRITE_SINGLE_REG,
+                                 0, 0x202c, val)
         except Exception:
             pass
 
@@ -182,7 +182,7 @@ class Mqtt(metaclass=Singleton):
         else:
             logger_mqtt.warning(f'Node_id: {node_id} not found')
 
-    async def _modbus_cmd(self, message, func, params=0, addr=0, val=0):
+    def _modbus_cmd(self, message, func, params=0, addr=0, val=0):
         payload = message.payload.decode("UTF-8")
         for fnc in self.each_inverter(message, "send_modbus_cmd"):
             res = payload.split(',')
@@ -195,7 +195,7 @@ class Mqtt(metaclass=Singleton):
             elif params == 2:
                 addr = int(res[0], base=16)
                 val = int(res[1])  # lenght
-            await fnc(func, addr, val, logging.INFO)
+            fnc(func, addr, val, logging.INFO)
 
     async def _at_cmd(self, message):
         payload = message.payload.decode("UTF-8")
diff --git a/app/src/server.py b/app/src/server.py
index 60a2fe8..fac746b 100644
--- a/app/src/server.py
+++ b/app/src/server.py
@@ -60,7 +60,16 @@ class Server():
 
         @app.context_processor
         def utility_processor():
-            return dict(version=self.version)
+            var = {'version': self.version,
+                   'slug': os.getenv("SLUG"),
+                   'hostname': os.getenv("HOSTNAME"),
+                   }
+            if var['slug']:
+                var['hassio'] = True
+                slug_len = len(var['slug'])
+                var['addonname'] = var['slug'] + '_' + \
+                    var['hostname'][slug_len+1:]
+            return var
 
     def parse_args(self, arg_list: list[str] | None):
         parser = argparse.ArgumentParser()
diff --git a/app/src/web/i18n.py b/app/src/web/i18n.py
index 3520983..771b063 100644
--- a/app/src/web/i18n.py
+++ b/app/src/web/i18n.py
@@ -29,9 +29,9 @@ def get_tz():
 
 @web.context_processor
 def utility_processor():
-    return dict(lang=babel_get_locale(),
-                lang_str=LANGUAGES.get(str(babel_get_locale()), "English"),
-                languages=LANGUAGES)
+    return {'lang': babel_get_locale(),
+            'lang_str': LANGUAGES.get(str(babel_get_locale()), "English"),
+            'languages': LANGUAGES}
 
 
 @web.route('/language/<language>')
diff --git a/app/src/web/log_handler.py b/app/src/web/log_handler.py
index 7565649..1e3a54c 100644
--- a/app/src/web/log_handler.py
+++ b/app/src/web/log_handler.py
@@ -22,3 +22,6 @@ class LogHandler(Handler, metaclass=Singleton):
 
     def get_buffer(self, elms=0) -> list:
         return list(self.buffer)[-elms:]
+
+    def clear(self):
+        self.buffer.clear()
diff --git a/app/src/web/static/font-awesome/css/all.min.css b/app/src/web/static/font-awesome/css/all.min.css
index dd09622..1ef1424 100644
--- a/app/src/web/static/font-awesome/css/all.min.css
+++ b/app/src/web/static/font-awesome/css/all.min.css
@@ -7,3 +7,4 @@
 .fa-rotate-right:before{content:"\f01e"}
 .fa-cloud-arrow-down-alt:before{content:"\f381"}
 .fa-cloud-arrow-up-alt:before{content:"\f382"}
+.fa-gear:before{content:"\f013"}
diff --git a/app/src/web/templates/base.html.j2 b/app/src/web/templates/base.html.j2
index 28daaf8..e5ec423 100644
--- a/app/src/web/templates/base.html.j2
+++ b/app/src/web/templates/base.html.j2
@@ -60,6 +60,11 @@
         <a href="{{ url_for('.notes')}}" class="w3-bar-item w3-button w3-padding {% block menu3_class %}{% endblock %}"><i class="fa fa-info fa-fw"></i>  {{_('Important Messages')}}</a>
         <a href="{{ url_for('.logging')}}" class="w3-bar-item w3-button w3-padding {% block menu4_class %}{% endblock %}"><i class="fa fa-file-export fa-fw"></i>  {{_('Log Files')}}</a>
         <a href="{{ url_for('.network_tests')}}" class="w3-bar-item w3-button w3-padding {% block menu5_class %}{% endblock %}"><i class="fa fa-file-export fa-fw"></i>  {{_('Network Tests')}}</a>
+        {% if hassio is defined %}
+        <br>
+        <a href="/hassio/addon/{{addonname}}/config" target="_top" class="w3-bar-item w3-button w3-padding"><i class="fa fa-gear fa-fw"></i>  {{_('Add-on Config')}}</a>
+        <a href="/hassio/addon/{{addonname}}/logs" target="_top" class="w3-bar-item w3-button w3-padding"><i class="fa fa-file fa-fw"></i>  {{_('Add-on Log')}}</a>
+        {% endif %}
       </div>
     </nav>
   
diff --git a/app/tests/log/test.txt b/app/tests/log/test.txt
index d7c6d5e..6a56fe7 100644
--- a/app/tests/log/test.txt
+++ b/app/tests/log/test.txt
@@ -1,19 +1,19 @@
 2025-04-30 00:01:23  INFO | root | Server "proxy - unknown" will be started
-2025-04-30 00:01:23  INFO | root | current dir: /Users/sallius/tsun/tsun-gen3-proxy
-2025-04-30 00:01:23  INFO | root | config_path: ./config/
-2025-04-30 00:01:23  INFO | root | json_config: None
-2025-04-30 00:01:23  INFO | root | toml_config: None
-2025-04-30 00:01:23  INFO | root | trans_path:  ../translations/
-2025-04-30 00:01:23  INFO | root | rel_urls:    False
-2025-04-30 00:01:23  INFO | root | log_path:    ./log/
-2025-04-30 00:01:23  INFO | root | log_backups: unlimited
-2025-04-30 00:01:23  INFO | root | LOG_LVL    : None
-2025-04-30 00:01:23  INFO | root | ******
-2025-04-30 00:01:23  INFO | root | Read from /Users/sallius/tsun/tsun-gen3-proxy/app/src/cnf/default_config.toml => ok
-2025-04-30 00:01:23  INFO | root | Read from environment => ok
-2025-04-30 00:01:23  INFO | root | Read from ./config/config.json => n/a
-2025-04-30 00:01:23  INFO | root | Read from ./config/config.toml => n/a
-2025-04-30 00:01:23  INFO | root | ******
-2025-04-30 00:01:23  INFO | root | listen on port: 5005 for inverters
-2025-04-30 00:01:23  INFO | root | listen on port: 10000 for inverters
-2025-04-30 00:01:23  INFO | root | Start Quart
\ No newline at end of file
+2025-04-30 00:01:24  INFO | root | current dir: /Users/sallius/tsun/tsun-gen3-proxy
+2025-04-30 00:01:25  INFO | root | config_path: ./config/
+2025-04-30 00:01:26  INFO | root | json_config: None
+2025-04-30 00:01:27  INFO | root | toml_config: None
+2025-04-30 00:01:28  INFO | root | trans_path:  ../translations/
+2025-04-30 00:01:29  INFO | root | rel_urls:    False
+2025-04-30 00:01:30  INFO | root | log_path:    ./log/
+2025-04-30 00:01:31  INFO | root | log_backups: unlimited
+2025-04-30 00:01:32  INFO | root | LOG_LVL    : None
+2025-04-30 00:01:33  INFO | root | ******
+2025-04-30 00:01:34  INFO | root | Read from /Users/sallius/tsun/tsun-gen3-proxy/app/src/cnf/default_config.toml => ok
+2025-04-30 00:01:35  INFO | root | Read from environment => ok
+2025-04-30 00:01:36  INFO | root | Read from ./config/config.json => n/a
+2025-04-30 00:01:37  INFO | root | Read from ./config/config.toml => n/a
+2025-04-30 00:01:38  INFO | root | ******
+2025-04-30 00:01:39  INFO | root | listen on port: 5005 for inverters
+2025-04-30 00:01:40  INFO | root | listen on port: 10000 for inverters
+2025-04-30 00:01:41  INFO | root | Start Quart
\ No newline at end of file
diff --git a/app/tests/test_mqtt.py b/app/tests/test_mqtt.py
index 2266132..623fb01 100755
--- a/app/tests/test_mqtt.py
+++ b/app/tests/test_mqtt.py
@@ -286,23 +286,23 @@ async def test_mqtt_dispatch(config_mqtt_conn, aiomqtt_mock, spy_modbus_cmd):
         assert m.ha_restarts == 1
 
         await m.receive(topic= 'tsun/inv_1/rated_load', payload= b'2')
-        spy.assert_awaited_once_with(Modbus.WRITE_SINGLE_REG, 0x2008, 2, logging.INFO)
+        spy.assert_called_once_with(Modbus.WRITE_SINGLE_REG, 0x2008, 2, logging.INFO)
 
         spy.reset_mock()
         await m.receive(topic= 'tsun/inv_1/out_coeff', payload= b'100')
-        spy.assert_awaited_once_with(Modbus.WRITE_SINGLE_REG, 0x202c, 1024, logging.INFO)
+        spy.assert_called_once_with(Modbus.WRITE_SINGLE_REG, 0x202c, 1024, logging.INFO)
         
         spy.reset_mock()
         await m.receive(topic= 'tsun/inv_1/out_coeff', payload= b'50')
-        spy.assert_awaited_once_with(Modbus.WRITE_SINGLE_REG, 0x202c, 512, logging.INFO)
+        spy.assert_called_once_with(Modbus.WRITE_SINGLE_REG, 0x202c, 512, logging.INFO)
     
         spy.reset_mock()
         await m.receive(topic= 'tsun/inv_1/modbus_read_regs', payload= b'0x3000, 10')
-        spy.assert_awaited_once_with(Modbus.READ_REGS, 0x3000, 10, logging.INFO)
+        spy.assert_called_once_with(Modbus.READ_REGS, 0x3000, 10, logging.INFO)
 
         spy.reset_mock()
         await m.receive(topic= 'tsun/inv_1/modbus_read_inputs', payload= b'0x3000, 10')
-        spy.assert_awaited_once_with(Modbus.READ_INPUTS, 0x3000, 10, logging.INFO)
+        spy.assert_called_once_with(Modbus.READ_INPUTS, 0x3000, 10, logging.INFO)
 
         # test dispatching with empty mapping table
         m.topic_defs.clear()
diff --git a/app/tests/test_server.py b/app/tests/test_server.py
index 7b0e934..1d94148 100644
--- a/app/tests/test_server.py
+++ b/app/tests/test_server.py
@@ -191,6 +191,7 @@ class TestApp:
         """Test the ready route."""
 
         ProxyState.set_up(False)
+        app.testing = True
         client = app.test_client()
         response = await client.get('/-/ready')
         assert response.status_code == 503
@@ -211,6 +212,7 @@ class TestApp:
 
         with InverterBase(reader, writer, 'tsun', Talent):
             ProxyState.set_up(False)
+            app.testing = True
             client = app.test_client()
             response = await client.get('/-/healthy')
             assert response.status_code == 200
@@ -240,6 +242,7 @@ class TestApp:
 
         with caplog.at_level(logging.INFO) and InverterBase(reader, writer, 'tsun', Talent):
             ProxyState.set_up(False)
+            app.testing = True
             client = app.test_client()
             response = await client.get('/-/healthy')
             assert response.status_code == 200
@@ -271,6 +274,7 @@ class TestApp:
 
         with caplog.at_level(logging.INFO) and InverterBase(reader, writer, 'tsun', Talent):
             ProxyState.set_up(False)
+            app.testing = True
             client = app.test_client()
             response = await client.get('/-/healthy')
             assert response.status_code == 200
diff --git a/app/tests/test_solarman.py b/app/tests/test_solarman.py
index 92874f5..71ad8f7 100755
--- a/app/tests/test_solarman.py
+++ b/app/tests/test_solarman.py
@@ -1624,7 +1624,7 @@ async def test_msg_build_modbus_req(my_loop, config_tsun_inv1, device_ind_msg, d
     assert m.ifc.tx_fifo.get()==device_rsp_msg
     assert m.ifc.fwd_fifo.get()==device_ind_msg
 
-    await m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0, logging.DEBUG)
+    m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0, logging.DEBUG)
     assert 0 == m.send_msg_ofs
     assert m.ifc.fwd_fifo.get() == b''
     assert m.sent_pdu == b'' # modbus command must be ignore, cause connection is still not up
@@ -1642,7 +1642,7 @@ async def test_msg_build_modbus_req(my_loop, config_tsun_inv1, device_ind_msg, d
     assert m.ifc.tx_fifo.get()==inverter_rsp_msg
     assert m.ifc.fwd_fifo.get()==inverter_ind_msg
 
-    await m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0, logging.DEBUG)
+    m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0, logging.DEBUG)
     assert 0 == m.send_msg_ofs
     assert m.ifc.fwd_fifo.get() == b''
     assert m.sent_pdu == msg_modbus_cmd
@@ -2318,7 +2318,7 @@ async def test_start_client_mode(my_loop, config_tsun_inv1, str_test_ip):
     assert m.no_forwarding == False
     assert m.mb_timer.tim == None
     assert asyncio.get_running_loop() == m.mb_timer.loop
-    await m.send_start_cmd(get_sn_int(), str_test_ip, False, m.mb_first_timeout)
+    m.send_start_cmd(get_sn_int(), str_test_ip, False, m.mb_first_timeout)
     assert m.sent_pdu==bytearray(b'\xa5\x17\x00\x10E\x01\x00!Ce{\x02\xb0\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x030\x00\x000J\xde\xf1\x15')
     assert m.db.get_db_value(Register.IP_ADDRESS) == str_test_ip
     assert isclose(m.db.get_db_value(Register.POLLING_INTERVAL), 0.5)
@@ -2351,7 +2351,7 @@ async def test_start_client_mode_scan(config_tsun_scan_dcu, str_test_ip, dcu_mod
     assert m.no_forwarding == False
     assert m.mb_timer.tim == None
     assert asyncio.get_running_loop() == m.mb_timer.loop
-    await m.send_start_cmd(get_dcu_sn_int(), str_test_ip, False, m.mb_first_timeout)
+    m.send_start_cmd(get_dcu_sn_int(), str_test_ip, False, m.mb_first_timeout)
     assert m.mb_start_reg == 0x0000
     assert m.mb_step == 0x100
     assert m.mb_bytes == 0x2d
diff --git a/app/tests/test_solarman_emu.py b/app/tests/test_solarman_emu.py
index a3d517c..d511f22 100644
--- a/app/tests/test_solarman_emu.py
+++ b/app/tests/test_solarman_emu.py
@@ -144,7 +144,7 @@ async def test_emu_start(my_loop, config_tsun_inv1, msg_modbus_rsp, str_test_ip,
     inv = InvStream(msg_modbus_rsp)
 
     assert asyncio.get_running_loop() == inv.mb_timer.loop
-    await inv.send_start_cmd(get_sn_int(), str_test_ip, True, inv.mb_first_timeout)
+    inv.send_start_cmd(get_sn_int(), str_test_ip, True, inv.mb_first_timeout)
     inv.read()         # read complete msg, and dispatch msg
     assert not inv.header_valid  # must be invalid, since msg was handled and buffer flushed
     assert inv.msg_count == 1
@@ -161,7 +161,7 @@ async def test_snd_hb(my_loop, config_tsun_inv1, heartbeat_ind):
     inv = InvStream()
     cld = CldStream(inv)
 
-    # await inv.send_start_cmd(get_sn_int(), str_test_ip, False, inv.mb_first_timeout)
+    # inv.send_start_cmd(get_sn_int(), str_test_ip, False, inv.mb_first_timeout)
     cld.send_heartbeat_cb(0)
     assert cld.ifc.tx_fifo.peek() == heartbeat_ind
     cld.close()
@@ -178,7 +178,7 @@ async def test_snd_inv_data(my_loop, config_tsun_inv1, inverter_ind_msg, inverte
     inv.db.set_db_def_value(Register.GRID_FREQUENCY, 50.05)
     inv.db.set_db_def_value(Register.PROD_COMPL_TYPE, 6)
     assert asyncio.get_running_loop() == inv.mb_timer.loop
-    await inv.send_start_cmd(get_sn_int(), str_test_ip, False, inv.mb_first_timeout)
+    inv.send_start_cmd(get_sn_int(), str_test_ip, False, inv.mb_first_timeout)
     inv.db.set_db_def_value(Register.DATA_UP_INTERVAL, 17)  # set test value
 
     cld = CldStream(inv)
@@ -213,7 +213,7 @@ async def test_rcv_invalid(my_loop, config_tsun_inv1, inverter_ind_msg, inverter
     _ = config_tsun_inv1
     inv = InvStream()
     assert asyncio.get_running_loop() == inv.mb_timer.loop
-    await inv.send_start_cmd(get_sn_int(), str_test_ip, False, inv.mb_first_timeout)
+    inv.send_start_cmd(get_sn_int(), str_test_ip, False, inv.mb_first_timeout)
     inv.db.set_db_def_value(Register.DATA_UP_INTERVAL, 17)  # set test value
 
     cld = CldStream(inv)
diff --git a/app/tests/test_talent.py b/app/tests/test_talent.py
index fa42eed..01ef0fe 100644
--- a/app/tests/test_talent.py
+++ b/app/tests/test_talent.py
@@ -2411,14 +2411,14 @@ async def test_msg_build_modbus_req(config_tsun_inv1, msg_modbus_cmd):
     _ = config_tsun_inv1
     m = MemoryStream(b'', (0,), True)
     m.id_str = b"R170000000000001" 
-    await m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0, logging.DEBUG)
+    m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0, logging.DEBUG)
     assert 0 == m.send_msg_ofs
     assert m.ifc.fwd_fifo.get() == b''
     assert m.ifc.tx_fifo.get() == b''
     assert m.sent_pdu == b''
 
     m.state = State.up
-    await m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0, logging.DEBUG)
+    m.send_modbus_cmd(Modbus.WRITE_SINGLE_REG, 0x2008, 0, logging.DEBUG)
     assert 0 == m.send_msg_ofs
     assert m.ifc.fwd_fifo.get() == b''
     assert m.ifc.tx_fifo.get() == b''
diff --git a/app/tests/test_web_route.py b/app/tests/test_web_route.py
index 564a308..4082f61 100644
--- a/app/tests/test_web_route.py
+++ b/app/tests/test_web_route.py
@@ -1,22 +1,37 @@
 # test_with_pytest.py
 import pytest
-from server import app
-from web import Web, web
+import logging
+import os, errno
+import datetime
+from os import DirEntry, stat_result
+from quart import current_app
+from mock import patch
+
+from server import app as my_app
+from server import Server
+from web import web
 from async_stream import AsyncStreamClient
 from gen3plus.inverter_g3p import InverterG3P
+from web.log_handler import LogHandler
 from test_inverter_g3p import FakeReader, FakeWriter, config_conn
 from cnf.config import Config
-from mock import patch
 from proxy import Proxy
-import os, errno
-from os import DirEntry, stat_result
-import datetime
+
+
+class FakeServer(Server):
+    def __init__(self):
+        pass  # don't call the suoer(.__init__ for unit tests
+
 
 pytest_plugins = ('pytest_asyncio',)
+@pytest.fixture(scope="session")
+def app():
+    yield my_app
 
 @pytest.fixture(scope="session")
-def client():
+def client(app):
     app.secret_key = 'super secret key'
+    app.testing = True
     return app.test_client()
 
 @pytest.fixture
@@ -52,6 +67,7 @@ async def test_home(client):
     response = await client.get('/')
     assert response.status_code == 200
     assert response.mimetype == 'text/html'
+    assert b"<title>TSUN Proxy - Connections</title>" in await response.data
 
 @pytest.mark.asyncio
 async def test_page(client):
@@ -59,14 +75,17 @@ async def test_page(client):
     response = await client.get('/mqtt')
     assert response.status_code == 200
     assert response.mimetype == 'text/html'
+    assert b"<title>TSUN Proxy - MQTT Status</title>" in await response.data
+    assert b'fetch("/mqtt-fetch")' in await response.data
 
 @pytest.mark.asyncio
 async def test_rel_page(client):
-    """Test the mqtt route."""
+    """Test the mqtt route with relative paths."""
     web.build_relative_urls = True
     response = await client.get('/mqtt')
     assert response.status_code == 200
     assert response.mimetype == 'text/html'
+    assert b'fetch("./mqtt-fetch")' in await response.data
     web.build_relative_urls = False
 
 @pytest.mark.asyncio
@@ -75,6 +94,7 @@ async def test_notes(client):
     response = await client.get('/notes')
     assert response.status_code == 200
     assert response.mimetype == 'text/html'
+    assert b"<title>TSUN Proxy - Important Messages</title>" in await response.data
 
 @pytest.mark.asyncio
 async def test_logging(client):
@@ -82,6 +102,7 @@ async def test_logging(client):
     response = await client.get('/logging')
     assert response.status_code == 200
     assert response.mimetype == 'text/html'
+    assert b"<title>TSUN Proxy - Log Files</title>" in await response.data
 
 @pytest.mark.asyncio
 async def test_favicon96(client):
@@ -119,37 +140,37 @@ async def test_manifest(client):
     assert response.mimetype == 'application/manifest+json'
 
 @pytest.mark.asyncio
-async def test_data_fetch(create_inverter):
+async def test_data_fetch(client, create_inverter):
     """Test the data-fetch route."""
     _ = create_inverter
-    client = app.test_client()
     response = await client.get('/data-fetch')
     assert response.status_code == 200
 
     response = await client.get('/data-fetch')
     assert response.status_code == 200
+    assert b'<h5>Connections</h5>' in await response.data
 
 @pytest.mark.asyncio
-async def test_data_fetch1(create_inverter_server):
+async def test_data_fetch1(client, create_inverter_server):
     """Test the data-fetch route with server connection."""
     _ = create_inverter_server
-    client = app.test_client()
     response = await client.get('/data-fetch')
     assert response.status_code == 200
 
     response = await client.get('/data-fetch')
     assert response.status_code == 200
+    assert b'<h5>Connections</h5>' in await response.data
 
 @pytest.mark.asyncio
-async def test_data_fetch2(create_inverter_client):
+async def test_data_fetch2(client, create_inverter_client):
     """Test the data-fetch route with client connection."""
     _ = create_inverter_client
-    client = app.test_client()
     response = await client.get('/data-fetch')
     assert response.status_code == 200
 
     response = await client.get('/data-fetch')
     assert response.status_code == 200
+    assert b'<h5>Connections</h5>' in await response.data
 
 @pytest.mark.asyncio
 async def test_language_en(client):
@@ -159,21 +180,44 @@ async def test_language_en(client):
     assert response.content_language.pop() == 'en'
     assert response.location == '/index'
     assert response.mimetype == 'text/html'
+    assert b'<html lang=en' in await response.data
+    assert b'<title>Redirecting...</title>' in await response.data
 
     client.set_cookie('test', key='language', value='de')
-    response = await client.get('/mqtt')
+    response = await client.get('/')
     assert response.status_code == 200
     assert response.mimetype == 'text/html'
+    assert b'<html lang="en"' in await response.data
+    assert b'<title>TSUN Proxy - Connections</title>' in await response.data
 
 @pytest.mark.asyncio
 async def test_language_de(client):
     """Test the language/de route."""
+
     response = await client.get('/language/de', headers={'referer': '/'})
     assert response.status_code == 302
     assert response.content_language.pop() == 'de'
     assert response.location == '/'
     assert response.mimetype == 'text/html'
+    assert b'<html lang=en>' in await response.data
+    assert b'<title>Redirecting...</title>' in await response.data
 
+    client.set_cookie('test', key='language', value='en')
+    response = await client.get('/')
+    assert response.status_code == 200
+    assert response.mimetype == 'text/html'
+    assert b'<html lang="de"' in await response.data
+    # the following assert fails on github runner, since the translation to german fails
+    # assert b'<title>TSUN Proxy - Verbindungen</title>' in await response.data 
+
+    """Switch back to english"""
+    response = await client.get('/language/en', headers={'referer': '/index'})
+    assert response.status_code == 302
+    assert response.content_language.pop() == 'en'
+    assert response.location == '/index'
+    assert response.mimetype == 'text/html'
+    assert b'<html lang=en>' in await response.data
+    assert b'<title>Redirecting...</title>' in await response.data
 
 @pytest.mark.asyncio
 async def test_language_unknown(client):
@@ -182,6 +226,12 @@ async def test_language_unknown(client):
     assert response.status_code == 404
     assert response.mimetype == 'text/html'
 
+    client.set_cookie('test', key='language', value='en')
+    response = await client.get('/')
+    assert response.status_code == 200
+    assert response.mimetype == 'text/html'
+    assert b'<title>TSUN Proxy - Connections</title>' in await response.data
+
 
 @pytest.mark.asyncio
 async def test_mqtt_fetch(client, create_inverter):
@@ -191,15 +241,47 @@ async def test_mqtt_fetch(client, create_inverter):
 
     response = await client.get('/mqtt-fetch')
     assert response.status_code == 200
+    assert b'<h5>MQTT devices</h5>' in await response.data
 
 
 @pytest.mark.asyncio
 async def test_notes_fetch(client, config_conn):
     """Test the notes-fetch route."""
-    _ = create_inverter
+    _ = config_conn
 
+    s = FakeServer()
+    s.src_dir = 'app/src/'
+    s.init_logging_system()
+
+    # First clear log and test Well done message
+    logh = LogHandler()
+    logh.clear()
     response = await client.get('/notes-fetch')
     assert response.status_code == 200
+    assert b'<h2>Well done!</h2>' in await response.data
+
+    # Check info logs which must be ignored here
+    logging.info('config_info')
+    logh.flush()
+    response = await client.get('/notes-fetch')
+    assert response.status_code == 200
+    assert b'<h2>Well done!</h2>' in await response.data
+
+    # Check warning logs which must be added to the note list
+    logging.warning('config_warning')
+    logh.flush()
+    response = await client.get('/notes-fetch')
+    assert response.status_code == 200
+    assert b'WARNING' in await response.data
+    assert b'config_warning' in await response.data
+
+    # Check error logs which must be added to the note list
+    logging.error('config_err')
+    logh.flush()
+    response = await client.get('/notes-fetch')
+    assert response.status_code == 200
+    assert b'ERROR' in await response.data
+    assert b'config_err' in await response.data
 
 
 @pytest.mark.asyncio
@@ -229,6 +311,7 @@ async def test_file_fetch(client, config_conn, monkeypatch):
     monkeypatch.delattr(stat_result, "st_birthtime")
     response = await client.get('/file-fetch')
     assert response.status_code == 200
+    assert b'<h4>test.txt</h4>' in await response.data
 
 @pytest.mark.asyncio
 async def test_send_file(client, config_conn):
@@ -237,6 +320,7 @@ async def test_send_file(client, config_conn):
     assert Config.log_path == 'app/tests/log/'
     response = await client.get('/send-file/test.txt')
     assert response.status_code == 200
+    assert b'2025-04-30 00:01:23' in await response.data
 
 
 @pytest.mark.asyncio
@@ -291,3 +375,20 @@ async def test_del_file_err(client, config_conn, patch_os_remove_err):
     assert Config.log_path == 'app/tests/log/'
     response = await client.delete ('/del-file/test.txt')
     assert response.status_code == 404
+
+@pytest.mark.asyncio
+async def test_addon_links(client):
+    """Test links to HA add-on config/log in UI"""
+    with patch.dict(os.environ, {'SLUG': 'c676133d', 'HOSTNAME': 'c676133d-tsun-proxy'}):
+        response = await client.get('/')
+        assert response.status_code == 200
+        assert response.mimetype == 'text/html'
+        assert b'Add-on Config' in await response.data
+        assert b'href="/hassio/addon/c676133d_tsun-proxy/logs' in await response.data
+        assert b'href="/hassio/addon/c676133d_tsun-proxy/config' in await response.data
+
+    # check that links are not available if env vars SLUG and HOSTNAME are not defined (docker version)    
+    response = await client.get('/')
+    assert response.status_code == 200
+    assert response.mimetype == 'text/html'
+    assert b'Add-on Config' not in await response.data
diff --git a/app/translations/de/LC_MESSAGES/messages.po b/app/translations/de/LC_MESSAGES/messages.po
index a15ce7e..6cc6a62 100644
--- a/app/translations/de/LC_MESSAGES/messages.po
+++ b/app/translations/de/LC_MESSAGES/messages.po
@@ -80,6 +80,14 @@ msgstr "Log Dateien"
 msgid "Network Tests"
 msgstr ""
 
+#: src/web/templates/base.html.j2:64
+msgid "Add-on Config"
+msgstr "Add-on Konfiguration"
+
+#: src/web/templates/base.html.j2:65
+msgid "Add-on Log"
+msgstr "Add-on Protokoll"
+
 #: src/web/templates/page_index.html.j2:3
 msgid "TSUN Proxy - Connections"
 msgstr "TSUN Proxy - Verbindungen"
diff --git a/ha_addons/docker-bake.hcl b/ha_addons/docker-bake.hcl
index 32cbf6c..4317a70 100644
--- a/ha_addons/docker-bake.hcl
+++ b/ha_addons/docker-bake.hcl
@@ -59,7 +59,7 @@ target "_common" {
   ]
 
   no-cache = false
-  platforms = ["linux/amd64", "linux/arm64", "linux/arm/v7"]
+  platforms = ["linux/amd64", "linux/arm64"]
 }
 
 target "_debug" {
diff --git a/ha_addons/ha_addon/rootfs/run.sh b/ha_addons/ha_addon/rootfs/run.sh
index c2dc223..c4ba7e1 100755
--- a/ha_addons/ha_addon/rootfs/run.sh
+++ b/ha_addons/ha_addon/rootfs/run.sh
@@ -4,8 +4,10 @@ bashio::log.blue "-----------------------------------------------------------"
 bashio::log.blue "run.sh: info: setup Add-on environment"
 bashio::cache.flush_all
 MQTT_HOST=""
+SLUG=""
+HOSTNAME=""
 if bashio::supervisor.ping; then
-    bashio::log "run.sh: info: check for Home Assistant MQTT service"
+    bashio::log "run.sh: info: check Home Assistant bashio for config values"
     if bashio::services.available mqtt; then
         MQTT_HOST=$(bashio::services mqtt "host")
         MQTT_PORT=$(bashio::services mqtt "port")
@@ -14,15 +16,31 @@ if bashio::supervisor.ping; then
     else
         bashio::log.yellow "run.sh: info: Home Assistant MQTT service not available!"
     fi
+    SLUG=$(bashio::addon.repository)
+    HOSTNAME=$(bashio::addon.hostname)
 else
     bashio::log.red "run.sh: error: Home Assistant Supervisor API not available!"
 fi
 
+if [ -z "$SLUG" ]; then
+    bashio::log.yellow "run.sh: info: addon slug not found"
+else
+    bashio::log.green "run.sh: info: found addon slug: $SLUG"
+    export SLUG
+
+fi
+if [ -z "$HOSTNAME" ]; then
+    bashio::log.yellow "run.sh: info: addon hostname not found"
+else
+    bashio::log.green "run.sh: info: found addon hostname: $HOSTNAME"
+    export HOSTNAME
+fi
+
 # if a MQTT was/not found, drop a note
 if [ -z "$MQTT_HOST" ]; then
     bashio::log.yellow "run.sh: info: MQTT config not found"
 else
-    bashio::log.green "run.sh: info: MQTT config found"
+    bashio::log.green "run.sh: info: found MQTT config"
     export MQTT_HOST
     export MQTT_PORT
     export MQTT_USER