diff --git a/application/src/main/resources/thingsboard.yml b/application/src/main/resources/thingsboard.yml
index 2131407cd2..1558d1cf74 100644
--- a/application/src/main/resources/thingsboard.yml
+++ b/application/src/main/resources/thingsboard.yml
@@ -15,6 +15,7 @@
 #
 
 # Server common parameters
+# Configures HTTP/HTTPS bind address, port, SSL, WebSocket, and REST API settings.
 server:
   # Server bind-address
   address: "${HTTP_BIND_ADDRESS:0.0.0.0}"
@@ -109,11 +110,13 @@ server:
       response_timeout: "${DEFAULT_RULE_ENGINE_RESPONSE_TIMEOUT:10000}"
 
 # Application info parameters
+# Exposes application metadata such as version string injected at build time.
 app:
   # Application version
   version: "@project.version@"
 
 # Zookeeper connection parameters
+# Controls ZooKeeper-based service discovery and cluster coordination for microservice deployments.
 zk:
   # Enable/disable zookeeper discovery service.
   enabled: "${ZOOKEEPER_ENABLED:false}"
@@ -133,6 +136,7 @@ zk:
   recalculate_delay: "${ZOOKEEPER_RECALCULATE_DELAY_MS:0}"
 
 # Cluster parameters
+# Controls inter-node communication statistics within a ThingsBoard cluster.
 cluster:
   stats:
     # Enable/Disable the cluster statistics. Calculates the number of messages sent between cluster nodes based on each type
@@ -141,11 +145,13 @@ cluster:
     print_interval_ms: "${TB_CLUSTER_STATS_PRINT_INTERVAL_MS:10000}"
 
 # Plugins configuration parameters
+# Defines classpath scan packages used to discover and register ThingsBoard extension plugins.
 plugins:
   # Comma-separated package list used during classpath scanning for plugins
   scan_packages: "${PLUGINS_SCAN_PACKAGES:org.thingsboard.server.extensions,org.thingsboard.rule.engine}"
 
 # Security parameters
+# Configures JWT tokens, user login, device claiming, OAuth2, and CA certificate trust store.
 security:
   # JWT Token parameters
   jwt: # Since 3.4.2 values are persisted in the database during installation or upgrade. On Install, the key will be generated randomly if no custom value set. You can change it later from Web UI under SYS_ADMIN
@@ -184,6 +190,7 @@ security:
     password: "${SECURITY_JAVA_CACERTS_PASSWORD:changeit}"
 
 # Mail settings parameters
+# Configures mail service OAuth2 token refresh and per-tenant sending rate limits.
 mail:
   oauth2:
     # Interval for checking refresh token expiration in seconds(by default, 1 day).
@@ -192,6 +199,7 @@ mail:
   per_tenant_rate_limits: "${MAIL_PER_TENANT_RATE_LIMITS:}"
 
 # Usage statistics parameters
+# Controls collection and reporting intervals for API usage stats at system, tenant, and customer levels.
 usage:
   stats:
     report:
@@ -215,6 +223,7 @@ usage:
       report_interval: "${DEVICES_STATS_REPORT_INTERVAL:60}"
 
 # UI settings parameters
+# Configures dashboard data limits and base URL for UI help assets.
 ui:
   # Dashboard parameters
   dashboard:
@@ -226,6 +235,7 @@ ui:
     base-url: "${UI_HELP_BASE_URL:https://raw.githubusercontent.com/thingsboard/thingsboard-ui-help/release-4.4}"
 
 # Database telemetry parameters
+# Selects the storage backend (SQL, Cassandra, or TimescaleDB) for time-series and latest telemetry data.
 database:
   ts_max_intervals: "${DATABASE_TS_MAX_INTERVALS:700}" # Max number of DB queries generated by a single API call to fetch telemetry records
   ts:
@@ -234,6 +244,7 @@ database:
     type: "${DATABASE_TS_LATEST_TYPE:sql}" # cassandra, sql, or timescale (for hybrid mode, DATABASE_TS_TYPE value should be cassandra, or timescale)
 
 # Cassandra driver configuration parameters
+# Configures cluster name, keyspace, SSL, credentials, socket, and query settings for the Cassandra driver.
 cassandra:
   # Thingsboard cluster name
   cluster_name: "${CASSANDRA_CLUSTER_NAME:Thingsboard Cluster}"
@@ -352,6 +363,7 @@ cassandra:
       print_tenant_names: "${CASSANDRA_QUERY_TENANT_RATE_LIMITS_PRINT_TENANT_NAMES:false}"
 
 # SQL configuration parameters
+# Tunes batch sizes, delays, thread counts, TTL, and partitioning for SQL-backed persistence of telemetry, events, and audit logs.
 sql:
   # Specify batch size for persisting attribute updates
   attributes:
@@ -453,6 +465,7 @@ sql:
     query_timeout: "${SQL_RELATIONS_QUERY_TIMEOUT_SEC:20}" # This value has to be reasonably small to prevent the relation query from blocking all other DB calls
 
 # Actor system parameters
+# Configures thread pools, timeouts, and behavior for the internal actor system processing devices, rules, and RPCs.
 actors:
   system:
     throughput: "${ACTORS_SYSTEM_THROUGHPUT:5}" # Number of messages the actor system will process per actor before switching to processing of messages for the next actor
@@ -553,6 +566,8 @@ actors:
     # Time in seconds to receive calculation result.
     calculation_timeout: "${ACTORS_CALCULATION_TIMEOUT_SEC:5}"
 
+# Debug settings parameters
+# Configures the global default duration for debug mode used by rule chains and calculated fields.
 debug:
   settings:
     # Default duration (in minutes) for debug mode. Min value is 1 minute. Tenant profile settings override this one.
@@ -560,6 +575,7 @@ debug:
     default_duration: "${DEBUG_SETTINGS_DEFAULT_DURATION_MINUTES:15}"
 
 # Cache settings parameters
+# Configures cache type (Caffeine or Redis), pool size, and per-entity TTL and max-size limits for all caches.
 cache:
   # caffeine or redis(7.2 - latest compatible version)
   type: "${CACHE_TYPE:caffeine}"
@@ -719,6 +735,7 @@ cache:
 spring.data.redis.repositories.enabled: false # Disable this because it is not required.
 
 # Redis/Valkey configuration parameters
+# Configures standalone, cluster, or sentinel Redis connection, SSL, and connection pool settings used for caching.
 redis:
   # standalone or cluster or sentinel
   connection:
@@ -802,11 +819,13 @@ redis:
 
 
 # Update version parameters
+# Controls whether the platform periodically checks for new ThingsBoard releases.
 updates:
   # Enable/disable checks for the new version
   enabled: "${UPDATES_ENABLED:true}"
 
 # Spring CORS configuration parameters
+# Defines allowed origins, methods, headers, and credentials for cross-origin REST API requests.
 spring.mvc.cors:
   mappings:
     # Intercept path
@@ -823,6 +842,7 @@ spring.mvc.cors:
       allow-credentials: "true"
 
 # General spring parameters
+# Miscellaneous Spring Boot settings for circular references, Freemarker, MVC, multipart, and JPA dialect.
 spring.main.allow-circular-references: "true" # Spring Boot configuration property that controls whether circular dependencies between beans are allowed.
 spring.freemarker.checkTemplateLocation: "false" # spring freemarker configuration
 spring.mvc.async.request-timeout: "${SPRING_MVC_ASYNC_REQUEST_TIMEOUT:30000}" # The default timeout for asynchronous requests in milliseconds
@@ -841,6 +861,7 @@ spring.jpa.properties.hibernate.order_by.default_null_ordering: "${SPRING_JPA_PR
 spring.jpa.properties.hibernate.dialect: "${SPRING_JPA_DIALECT:org.thingsboard.server.dao.ThingsboardPostgreSQLDialect}" # we use custom dialect that contains ilike(arg1, arg2) function (is interpreted to postgres ILIKE operator)
 
 # SQL DAO Configuration parameters
+# Configures Spring JPA, Hibernate DDL, and HikariCP datasource connections for the primary and events databases.
 spring:
   data:
     jpa:
@@ -891,6 +912,7 @@ spring:
         registerMbeans: "${SPRING_EVENTS_DATASOURCE_HIKARI_REGISTER_MBEANS:false}"
 
 # Audit log parameters
+# Configures audit logging levels per entity type and optional forwarding to an external sink such as Elasticsearch.
 audit-log:
   # Enable/disable audit log functionality.
   enabled: "${AUDIT_LOG_ENABLED:true}"
@@ -933,6 +955,7 @@ audit-log:
     password: "${AUDIT_LOG_SINK_PASSWORD:}" # Password used to access external sink system
 
 # Device state parameters
+# Configures device inactivity detection, state persistence strategy, and rate limits for state rule nodes.
 state:
   # Device inactivity timeout is a global configuration parameter that defines when the device will be marked as "inactive" by the server.
   # The parameter value is in seconds. A user can overwrite this parameter for an individual device by setting the “inactivityTimeout” server-side attribute (NOTE: expects value in milliseconds).
@@ -963,7 +986,8 @@ state:
         # Refill is set to be greedy. Please refer to Bucket4j library documentation for more details.
         rateLimit: "${DEVICE_STATE_NODE_RATE_LIMIT_CONFIGURATION:1:1,30:60,60:3600}"
 
-# Tbel parameters
+# TBEL parameters
+# Configures the ThingsBoard Expression Language (TBEL) engine: limits, timeouts, thread pool, and blacklisting.
 tbel:
   # Enable/Disable TBEL feature.
   enabled: "${TBEL_ENABLED:true}"
@@ -992,6 +1016,7 @@ tbel:
     print_interval_ms: "${TB_TBEL_STATS_PRINT_INTERVAL_MS:10000}"
 
 # JS parameters
+# Configures the JavaScript execution engine (local Nashorn or remote Node.js): limits, sandboxing, and thread pools.
 js:
   # local (Nashorn Engine, deprecated) OR remote JS-Executors (NodeJS)
   evaluator: "${JS_EVALUATOR:local}"
@@ -1039,6 +1064,7 @@ js:
       print_interval_ms: "${TB_JS_REMOTE_STATS_PRINT_INTERVAL_MS:10000}"
 
 # Transport configuration parameters
+# Configures session management, rate limits, and protocol-specific settings for HTTP, MQTT, CoAP, LwM2M, and SNMP transports.
 transport:
   sessions:
     # Session inactivity timeout is a global configuration parameter that defines how long the device transport session will be opened after the last message arrives from the device.
@@ -1349,6 +1375,7 @@ transport:
         fetch_frequency: "${TB_GATEWAY_DASHBOARD_SYNC_FETCH_FREQUENCY:24}"
 
 # CoAP server parameters
+# Configures the standalone CoAP server bind address, port, DTLS encryption, and credential settings.
 coap:
   server:
     # Enable/disable coap server.
@@ -1433,6 +1460,7 @@ coap:
       dtls_session_report_timeout: "${TB_COAP_X509_DTLS_SESSION_REPORT_TIMEOUT:1800000}"
 
 # Device connectivity parameters
+# Specifies the hosts, ports, and credentials exposed to the UI for generating device connection check commands.
 device:
   connectivity:
     http:
@@ -1486,6 +1514,7 @@ device:
       image_version: "${DEVICE_CONNECTIVITY_GATEWAY_IMAGE_VERSION:3.8-stable}"
 
 # Edges parameters
+# Controls Edge instance gRPC communication, event storage, state persistence, and statistics reporting.
 edges:
   # Enable/disable Edge instance
   enabled: "${EDGES_ENABLED:true}"
@@ -1547,6 +1576,7 @@ edges:
     report-interval-millis: "${EDGES_STATS_REPORT_INTERVAL_MS:600000}"
 
 # Spring doc common parameters
+# Enables or disables the OpenAPI/Swagger documentation endpoint and sets the default media type.
 springdoc:
   # If false swagger API docs will be unavailable
   api-docs.enabled: "${SWAGGER_ENABLED:true}"
@@ -1554,6 +1584,7 @@ springdoc:
   default-produces-media-type: "${SWAGGER_DEFAULT_PRODUCES_MEDIA_TYPE:application/json}"
 
 # Swagger common parameters
+# Configures Swagger UI metadata: title, description, contact, license, version, and API path patterns.
 swagger:
   # General swagger match pattern of swagger UI links
   api_path: "${SWAGGER_API_PATH:/api/**}"
@@ -1585,6 +1616,7 @@ swagger:
   doc_expansion: "${SWAGGER_DOC_EXPANSION:list}"
 
 # Queue configuration parameters
+# Configures the message queue backend (in-memory or Kafka) and all topic/partition/consumer settings for each service.
 queue:
   type: "${TB_QUEUE_TYPE:in-memory}" # in-memory or kafka (Apache Kafka)
   prefix: "${TB_QUEUE_PREFIX:}" # Global queue prefix. If specified, prefix is added before default topic name: 'prefix.default_topic_name'. Prefix is applied to all topics (and consumer groups for kafka).
@@ -1998,12 +2030,14 @@ queue:
       processing_interval: "${TB_QUEUE_TASKS_STATS_PROCESSING_INTERVAL_MS:1000}"
 
 # Event configuration parameters
+# Controls limits on debug event content size stored for rule chain and rule node execution.
 event:
   debug:
     # Maximum number of symbols per debug event. The event content will be truncated if needed
     max-symbols: "${TB_MAX_DEBUG_EVENT_SYMBOLS:4096}"
 
 # General service parameters
+# Sets the deployment type (monolith or microservice) and assigns tenant profiles to specific Rule Engine instances.
 service:
   type: "${TB_SERVICE_TYPE:monolith}" # monolith or tb-core or tb-rule-engine
   # Unique id for this service (autogenerated if empty)
@@ -2017,6 +2051,7 @@ service:
       executor_thread_pool_size: "${TB_RULE_ENGINE_PUBSUB_EXECUTOR_THREAD_POOL_SIZE:0}"
 
 # Metrics parameters
+# Enables actuator metrics endpoint and configures system info (CPU, memory) persistence frequency and TTL.
 metrics:
   # Enable/disable actuator metrics.
   enabled: "${METRICS_ENABLED:false}"
@@ -2030,6 +2065,7 @@ metrics:
     ttl: "${METRICS_SYSTEM_INFO_TTL_DAYS:7}"
 
 # Version control parameters
+# Configures thread pools and Git repository folder for entity version control (export/import) operations.
 vc:
   # Pool size for handling export tasks
   thread_pool_size: "${TB_VC_POOL_SIZE:6}"
@@ -2040,6 +2076,7 @@ vc:
     repositories-folder: "${TB_VC_GIT_REPOSITORIES_FOLDER:${java.io.tmpdir}/repositories}"
 
 # Notification system parameters
+# Configures thread pool size and deduplication intervals for the notification rule processing engine.
 notification_system:
   # Specify thread pool size for Notification System processing notification rules and notification sending. Recommend value <= 10
   thread_pool_size: "${TB_NOTIFICATION_SYSTEM_THREAD_POOL_SIZE:10}"
@@ -2048,6 +2085,7 @@ notification_system:
     deduplication_durations: "${TB_NOTIFICATION_RULES_DEDUPLICATION_DURATIONS:NEW_PLATFORM_VERSION:0;RATE_LIMITS:14400000;}"
 
 # General management parameters
+# Configures Spring Boot Actuator endpoint exposure and health indicator settings.
 management:
   endpoints:
     web:
@@ -2060,6 +2098,7 @@ management:
       enabled: "false"
 
 # Mobile application settings for Thingsboard mobile application
+# Specifies domain name and store links used for the ThingsBoard Live mobile application QR code and deep links.
 mobileApp:
   # Server domain name for Thingsboard Live mobile application
   domain: "${TB_MOBILE_APP_DOMAIN:demo.thingsboard.io}"
@@ -2068,6 +2107,8 @@ mobileApp:
   # Link to App Store for Thingsboard Live mobile application
   appStoreLink: "${TB_MOBILE_APP_APP_STORE_LINK:https://apps.apple.com/us/app/thingsboard-live/id1594355695}"
 
+# MQTT client settings
+# Configures MQTT client retransmission behavior including max attempts, initial delay, and jitter factor.
 mqtt:
   # MQTT client configuration parameters
   client:
diff --git a/msa/js-executor/config/default.yml b/msa/js-executor/config/default.yml
index be49ece5a6..adba4a3409 100644
--- a/msa/js-executor/config/default.yml
+++ b/msa/js-executor/config/default.yml
@@ -14,46 +14,56 @@
 # limitations under the License.
 #
 
-queue_type: "kafka"
-request_topic: "js_eval.requests"
-queue_prefix: ""
-http_port: "8888" # /livenessProbe
+# Queue configuration
+# Defines the messaging queue backend used to dispatch JS evaluation requests to the executor and receive results.
+queue_type: "kafka" # Queue type used for JS evaluation requests: kafka or in-memory
+request_topic: "js_eval.requests" # Kafka topic name for incoming JS evaluation requests
+queue_prefix: "" # Optional prefix applied to all queue/topic names; useful for environment isolation
+http_port: "8888" # HTTP port exposing the /livenessProbe health check endpoint
 
+# JavaScript execution configuration
+# Controls response polling behavior and output size limits for individual JS script executions.
 js:
-  response_poll_interval: "25"
-  max_result_size: "300000"
+  response_poll_interval: "25" # Interval in milliseconds to poll for JS execution responses
+  max_result_size: "300000" # Maximum allowed size in bytes of a JS execution result
 
+# Kafka configuration
+# Connection, producer, and topic settings for the Kafka message broker used as the JS evaluation queue.
 kafka:
   bootstrap:
     # Kafka Bootstrap Servers
     servers: "localhost:9092"
-  replication_factor: "1"
+  replication_factor: "1" # Number of replicas for each Kafka topic partition
   acks: "1" # -1 = all; 0 = no acknowledgments; 1 = only waits for the leader to acknowledge
-  batch_size: "128" # for producer
-  linger_ms: "5" # for producer
+  batch_size: "128" # Maximum number of bytes the producer batches per partition before sending
+  linger_ms: "5" # Time in milliseconds the producer waits before sending a batch, allowing more messages to accumulate
   partitions_consumed_concurrently: "1" # (EXPERIMENTAL) increase this value if you are planning to handle more than one partition (scale up, scale down) - this will decrease the latency
-  requestTimeout: "30000" # The default value in kafkajs is: 30000
-  connectionTimeout: "1000" # The default value in kafkajs is: 1000
-  compression: "none" # gzip or uncompressed
-  topic_properties: "retention.ms:604800000;segment.bytes:52428800;retention.bytes:104857600;partitions:100;min.insync.replicas:1"
-  use_confluent_cloud: false
-  client_id: "kafkajs" #inject pod name to easy identify the client using /opt/kafka/bin/kafka-consumer-groups.sh
+  requestTimeout: "30000" # Time in milliseconds to wait for a response to a Kafka request before timing out
+  connectionTimeout: "1000" # Time in milliseconds to wait when establishing a connection to a Kafka broker
+  compression: "none" # Message compression codec for the producer: none, gzip
+  topic_properties: "retention.ms:604800000;segment.bytes:52428800;retention.bytes:104857600;partitions:100;min.insync.replicas:1" # Semicolon-separated Kafka topic configuration properties applied on topic creation
+  use_confluent_cloud: false # Set to true to enable Confluent Cloud-specific configuration (SSL + SASL)
+  client_id: "kafkajs" # Kafka client identifier; inject the pod name to easily identify the client via kafka-consumer-groups.sh
   ssl:
-    enabled: false
+    enabled: false # Enable SSL/TLS for Kafka broker connections
   confluent:
     sasl:
-      mechanism: "PLAIN"
+      mechanism: "PLAIN" # SASL mechanism for Confluent Cloud authentication: PLAIN, SCRAM-SHA-256, or SCRAM-SHA-512
 
+# Logging configuration
+# Controls log verbosity, output directory, and log file naming pattern for the JS executor service.
 logger:
-  level: "info"
-  path: "logs"
-  filename: "tb-js-executor-%DATE%.log"
+  level: "info" # Log level: trace, debug, info, warn, or error
+  path: "logs" # Directory path where log files are written
+  filename: "tb-js-executor-%DATE%.log" # Log file name pattern; %DATE% is replaced with the current date
 
+# JavaScript execution and monitoring configuration
+# Sandboxing, script caching, and observability settings for the JS script runtime.
 script:
-  use_sandbox: "true"
-  memory_usage_trace_frequency: "1000"
-  script_body_trace_frequency: "10000"
-  stat_print_frequency: "10000"
-  max_active_scripts: "1000"
-  slow_query_log_ms: "5.000000" #millis
-  slow_query_log_body: "false"
+  use_sandbox: "true" # Run scripts inside an isolated sandbox to prevent access to Node.js internals
+  memory_usage_trace_frequency: "1000" # Log memory usage every N script executions
+  script_body_trace_frequency: "10000" # Log the script body every N script executions
+  stat_print_frequency: "10000" # Print execution statistics every N script executions
+  max_active_scripts: "1000" # Maximum number of compiled scripts kept in the cache
+  slow_query_log_ms: "5.000000" # Execution time threshold in milliseconds above which a script is considered slow and logged
+  slow_query_log_body: "false" # Log the script body when execution time exceeds slow_query_log_ms threshold
diff --git a/msa/vc-executor/src/main/resources/tb-vc-executor.yml b/msa/vc-executor/src/main/resources/tb-vc-executor.yml
index 56e15d4b4d..b52ad1ad89 100644
--- a/msa/vc-executor/src/main/resources/tb-vc-executor.yml
+++ b/msa/vc-executor/src/main/resources/tb-vc-executor.yml
@@ -15,11 +15,13 @@
 #
 
 # Spring common parameters
+# Controls Spring Boot startup mode, web environment type, and bean wiring behaviour.
 spring.main.web-environment: "${WEB_APPLICATION_ENABLE:false}" # If you enabled process metrics you should also enable 'web-environment'.
 spring.main.web-application-type: "${WEB_APPLICATION_TYPE:none}" # If you enabled process metrics you should set 'web-application-type' to 'servlet' value.
 spring.main.allow-circular-references: "true" # Spring Boot configuration property that controls whether circular dependencies between beans are allowed.
 
 # Server common parameters
+# Configures the embedded HTTP server bind address and port used for actuator and metrics endpoints.
 server:
   # Server bind address (has no effect if web-environment is disabled).
   address: "${HTTP_BIND_ADDRESS:0.0.0.0}"
@@ -46,6 +48,7 @@ zk:
   recalculate_delay: "${ZOOKEEPER_RECALCULATE_DELAY_MS:0}"
 
 # Queue configuration parameters
+# Defines the message queue type (Kafka or in-memory) and all related producer, consumer, and topic settings.
 queue:
   type: "${TB_QUEUE_TYPE:kafka}" # kafka (Apache Kafka)
   prefix: "${TB_QUEUE_PREFIX:}" # Global queue prefix. If specified, prefix is added before default topic name: 'prefix.default_topic_name'. Prefix is applied to all topics (and consumer groups for kafka).
@@ -196,6 +199,7 @@ queue:
     msg-chunk-size: "${TB_QUEUE_VC_MSG_CHUNK_SIZE:250000}"
 
 # Version control parameters
+# Configures the Git-based version control executor, including thread pools and local repository storage.
 vc:
   # Pool size for handling export tasks
   thread_pool_size: "${TB_VC_POOL_SIZE:6}"
@@ -206,6 +210,7 @@ vc:
     repositories-folder: "${TB_VC_GIT_REPOSITORIES_FOLDER:${java.io.tmpdir}/repositories}"
 
 # Usage statistics parameters
+# Controls collection and reporting of API usage statistics at system, tenant, and customer levels.
 usage:
   stats:
     report:
@@ -221,6 +226,7 @@ usage:
       pack_size: "${USAGE_STATS_REPORT_PACK_SIZE:1024}"
 
 # Metrics parameters
+# Enables actuator-based metrics collection and configures histogram/timer percentile exports.
 metrics:
   # Enable/disable actuator metrics.
   enabled: "${METRICS_ENABLED:false}"
@@ -229,6 +235,7 @@ metrics:
     percentiles: "${METRICS_TIMER_PERCENTILES:0.5}"
 
 # General management parameters
+# Configures Spring Boot Actuator endpoint exposure, including the metrics and info endpoints.
 management:
   endpoints:
     web:
@@ -237,12 +244,14 @@ management:
         include: "${METRICS_ENDPOINTS_EXPOSE:info}"
 
 # Service common properties
+# Identifies this microservice instance by type and optional unique ID for cluster coordination.
 service:
   type: "${TB_SERVICE_TYPE:tb-vc-executor}" # service type
   # Unique id for this service (autogenerated if empty)
   id: "${TB_SERVICE_ID:}"
 
 # Notification system parameters
+# Defines deduplication rules for notification triggers to prevent repeated alerts within a time window.
 notification_system:
   rules:
     # Semicolon-separated deduplication durations (in millis) for trigger types. Format: 'NotificationRuleTriggerType1:123;NotificationRuleTriggerType2:456'
diff --git a/transport/coap/src/main/resources/tb-coap-transport.yml b/transport/coap/src/main/resources/tb-coap-transport.yml
index 376075a0a4..e05ecd18b0 100644
--- a/transport/coap/src/main/resources/tb-coap-transport.yml
+++ b/transport/coap/src/main/resources/tb-coap-transport.yml
@@ -15,11 +15,13 @@
 #
 
 # Spring common parameters
+# Controls core Spring Boot application settings such as web environment and application type.
 spring.main.web-environment: "${WEB_APPLICATION_ENABLE:false}" # If you enabled process metrics you should also enable 'web-environment'.
 spring.main.web-application-type: "${WEB_APPLICATION_TYPE:none}" # If you enabled process metrics you should set 'web-application-type' to 'servlet' value.
 spring.main.allow-circular-references: "true" # Spring Boot configuration property that controls whether circular dependencies between beans are allowed.
 
 # Server common parameters
+# Configures the HTTP server bind address and port for the actuator/metrics web endpoint.
 server:
   # Server bind address (has no effect if web-environment is disabled).
   address: "${HTTP_BIND_ADDRESS:0.0.0.0}"
@@ -27,6 +29,7 @@ server:
   port: "${HTTP_BIND_PORT:8083}"
 
 # Zookeeper connection parameters. Used for service discovery.
+# Defines how this service registers itself and discovers other nodes via Apache ZooKeeper.
 zk:
   # Enable/disable zookeeper discovery service.
   enabled: "${ZOOKEEPER_ENABLED:false}"
@@ -46,6 +49,7 @@ zk:
   recalculate_delay: "${ZOOKEEPER_RECALCULATE_DELAY_MS:0}"
 
 # Cache parameters
+# Configures the caching backend and per-entity cache settings used by the transport service.
 cache:
   # caffeine or redis
   type: "${CACHE_TYPE:redis}"
@@ -55,6 +59,7 @@ cache:
     maxSize: "${CACHE_SPECS_ENTITY_LIMITS_MAX_SIZE:100000}" # 0 means the cache is disabled
 
 # Redis/Valkey configuration parameters
+# Defines connection mode, authentication, SSL, and connection pool settings for Redis or Valkey.
 redis:
   connection:
     # standalone or cluster or sentinel
@@ -90,9 +95,9 @@ redis:
     password: "${REDIS_SENTINEL_PASSWORD:}"
     # if set false will be used pool config build from values of the pool config section
     useDefaultPoolConfig: "${REDIS_USE_DEFAULT_POOL_CONFIG:true}"
-  # db index
+  # Redis logical database index to select after connecting.
   db: "${REDIS_DB:0}"
-  # db password
+  # Password for Redis authentication (leave empty if not required).
   password: "${REDIS_PASSWORD:}"
   # Redis username for ACL authentication (Redis 6.0+). Leave empty for legacy password-only auth
   username: "${REDIS_USERNAME:}"
@@ -172,6 +177,7 @@ transport:
     print-interval-ms: "${TB_TRANSPORT_STATS_PRINT_INTERVAL_MS:60000}"
 
 # CoAP server parameters
+# Configures the CoAP and CoAP/DTLS server endpoints, including bind addresses, timeouts, and TLS credentials.
 coap:
   # CoAP bind-address
   bind_address: "${COAP_BIND_ADDRESS:0.0.0.0}"
@@ -253,6 +259,7 @@ coap:
       dtls_session_report_timeout: "${TB_COAP_X509_DTLS_SESSION_REPORT_TIMEOUT:1800000}"
 
 # Queue configuration parameters
+# Defines the message queue backend (Kafka) and all topic, partition, and consumer settings for inter-service communication.
 queue:
   type: "${TB_QUEUE_TYPE:kafka}" # kafka (Apache Kafka)
   prefix: "${TB_QUEUE_PREFIX:}" # Global queue prefix. If specified, prefix is added before default topic name: 'prefix.default_topic_name'. Prefix is applied to all topics (and consumer groups for kafka).
@@ -406,12 +413,14 @@ queue:
     poll_interval: "${TB_QUEUE_TRANSPORT_NOTIFICATIONS_POLL_INTERVAL_MS:25}"
 
 # Service common properties
+# Identifies this service instance within the ThingsBoard cluster.
 service:
   type: "${TB_SERVICE_TYPE:tb-transport}" # service type
   # Unique id for this service (autogenerated if empty)
   id: "${TB_SERVICE_ID:}"
 
 # Usage statistics parameters
+# Controls reporting of API usage metrics at system, tenant, and customer levels.
 usage:
   stats:
     report:
@@ -427,11 +436,13 @@ usage:
       pack_size: "${USAGE_STATS_REPORT_PACK_SIZE:1024}"
 
 # Metrics parameters
+# Enables Micrometer/Actuator metrics collection and configures the exposed management endpoints.
 metrics:
   # Enable/disable actuator metrics.
   enabled: "${METRICS_ENABLED:false}"
 
 # General management parameters
+# Configures Spring Boot Actuator endpoint exposure for health checks and metrics scraping.
 management:
   endpoints:
     web:
@@ -440,6 +451,7 @@ management:
         include: "${METRICS_ENDPOINTS_EXPOSE:info}"
 
 # Notification system parameters
+# Configures deduplication rules for platform notifications to prevent repeated alerts within a time window.
 notification_system:
   rules:
     # Semicolon-separated deduplication durations (in millis) for trigger types. Format: 'NotificationRuleTriggerType1:123;NotificationRuleTriggerType2:456'
diff --git a/transport/http/src/main/resources/tb-http-transport.yml b/transport/http/src/main/resources/tb-http-transport.yml
index 1f6a251324..0ce5173ed4 100644
--- a/transport/http/src/main/resources/tb-http-transport.yml
+++ b/transport/http/src/main/resources/tb-http-transport.yml
@@ -15,6 +15,7 @@
 #
 
 # Server common properties
+# Configures the HTTP server bind address, port, SSL/TLS settings, and HTTP/2 support.
 server:
   # Server bind address
   address: "${HTTP_BIND_ADDRESS:0.0.0.0}"
@@ -54,6 +55,7 @@ server:
     enabled: "${HTTP2_ENABLED:true}"
 
 # Spring common parameters
+# Controls Spring Boot framework-level settings such as circular references and multipart upload limits.
 spring.main.allow-circular-references: "true" # Spring Boot configuration property that controls whether circular dependencies between beans are allowed.
 spring.servlet.multipart.max-file-size: "${SPRING_SERVLET_MULTIPART_MAX_FILE_SIZE:50MB}" # Total file size cannot exceed 50MB when configuring file uploads
 spring.servlet.multipart.max-request-size: "${SPRING_SERVLET_MULTIPART_MAX_REQUEST_SIZE:50MB}" # Total request size for a multipart/form-data cannot exceed 50MB
@@ -78,6 +80,7 @@ zk:
   recalculate_delay: "${ZOOKEEPER_RECALCULATE_DELAY_MS:0}"
 
 # Cache parameters
+# Defines the cache backend type and per-entity cache configuration such as TTL and maximum size.
 cache:
   # caffeine or redis
   type: "${CACHE_TYPE:redis}"
@@ -87,6 +90,7 @@ cache:
     maxSize: "${CACHE_SPECS_ENTITY_LIMITS_MAX_SIZE:100000}" # 0 means the cache is disabled
 
 # Redis/Valkey configuration parameters
+# Configures connection mode (standalone, cluster, sentinel), credentials, SSL, and connection pool settings.
 redis:
   # standalone or cluster or sentinel
   connection:
@@ -166,6 +170,7 @@ redis:
     blockWhenExhausted: "${REDIS_POOL_CONFIG_BLOCK_WHEN_EXHAUSTED:true}"
 
 # HTTP server parameters
+# Configures HTTP transport request timeouts, payload limits, session management, JSON processing, logging, and statistics.
 transport:
   http:
     # HTTP request processing timeout in milliseconds
@@ -203,6 +208,7 @@ transport:
     print-interval-ms: "${TB_TRANSPORT_STATS_PRINT_INTERVAL_MS:60000}"
 
 # Queue configuration parameters
+# Configures the messaging queue backend (Kafka), topic definitions, partitioning, and per-service consumer settings.
 queue:
   type: "${TB_QUEUE_TYPE:kafka}" # kafka (Apache Kafka)
   prefix: "${TB_QUEUE_PREFIX:}" # Global queue prefix. If specified, prefix is added before default topic name: 'prefix.default_topic_name'. Prefix is applied to all topics (and consumer groups for kafka) .
@@ -355,12 +361,14 @@ queue:
     poll_interval: "${TB_QUEUE_TRANSPORT_NOTIFICATIONS_POLL_INTERVAL_MS:25}"
 
 # General service parameters
+# Defines the service type and unique identifier used for service discovery and cluster coordination.
 service:
   type: "${TB_SERVICE_TYPE:tb-transport}" # type of service
   # Unique id for this service (autogenerated if empty)
   id: "${TB_SERVICE_ID:}"
 
 # Usage statistics parameters
+# Controls reporting of API usage statistics at the system, tenant, and optional customer level.
 usage:
   stats:
     report:
@@ -376,11 +384,13 @@ usage:
       pack_size: "${USAGE_STATS_REPORT_PACK_SIZE:1024}"
 
 # Metrics parameters
+# Enables or disables actuator metrics collection and exposure for monitoring integrations such as Prometheus.
 metrics:
   # Enable/disable actuator metrics.
   enabled: "${METRICS_ENABLED:false}"
 
 # General management parameters
+# Configures Spring Boot Actuator management endpoints, including which endpoints are exposed over HTTP.
 management:
   endpoints:
     web:
@@ -389,6 +399,7 @@ management:
         include: "${METRICS_ENDPOINTS_EXPOSE:info}"
 
 # Notification system parameters
+# Configures notification rules, including deduplication windows to prevent repeated alerts for the same trigger.
 notification_system:
   rules:
     # Semicolon-separated deduplication durations (in millis) for trigger types. Format: 'NotificationRuleTriggerType1:123;NotificationRuleTriggerType2:456'
diff --git a/transport/lwm2m/src/main/resources/tb-lwm2m-transport.yml b/transport/lwm2m/src/main/resources/tb-lwm2m-transport.yml
index b4d8d6c7eb..2bc1e6667d 100644
--- a/transport/lwm2m/src/main/resources/tb-lwm2m-transport.yml
+++ b/transport/lwm2m/src/main/resources/tb-lwm2m-transport.yml
@@ -15,11 +15,13 @@
 #
 
 # Spring common parameters
+# Controls Spring Boot web environment and application type settings used for optional metrics exposure.
 spring.main.web-environment: "${WEB_APPLICATION_ENABLE:false}" # If you enabled process metrics you should also enable 'web-environment'.
 spring.main.web-application-type: "${WEB_APPLICATION_TYPE:none}" # If you enabled process metrics you should set 'web-application-type' to 'servlet' value.
 spring.main.allow-circular-references: "true" # Spring Boot configuration property that controls whether circular dependencies between beans are allowed.
 
 # Server common parameters
+# HTTP server bind address and port, effective only when the web environment is enabled.
 server:
   # Server bind address (has no effect if web-environment is disabled).
   address: "${HTTP_BIND_ADDRESS:0.0.0.0}"
@@ -46,6 +48,7 @@ zk:
   recalculate_delay: "${ZOOKEEPER_RECALCULATE_DELAY_MS:0}"
 
 # Cache parameters
+# Configures the cache backend type and per-entity cache specifications such as TTL and maximum size.
 cache:
   # caffeine or redis
   type: "${CACHE_TYPE:redis}"
@@ -55,6 +58,7 @@ cache:
     maxSize: "${CACHE_SPECS_ENTITY_LIMITS_MAX_SIZE:100000}" # 0 means the cache is disabled
 
 # Redis/Valkey configuration parameters
+# Connection, authentication, SSL, and connection pool settings for the Redis or Valkey cache backend.
 redis:
   connection:
     # standalone or cluster or sentinel
@@ -133,6 +137,7 @@ redis:
     blockWhenExhausted: "${REDIS_POOL_CONFIG_BLOCK_WHEN_EXHAUSTED:true}"
 
 # LWM2M server parameters
+# Session, JSON processing, RPC, logging, and LwM2M-specific transport settings including DTLS, bootstrap, and OTA.
 transport:
   sessions:
     # Session inactivity timeout is a global configuration parameter that defines how long the device transport session will be opened after the last message arrives from the device.
@@ -303,6 +308,7 @@ transport:
     print-interval-ms: "${TB_TRANSPORT_STATS_PRINT_INTERVAL_MS:60000}"
 
 # Queue configuration properties
+# Defines the message queue backend (Kafka) and per-topic settings for transport, core, rule-engine, and JS evaluation.
 queue:
   type: "${TB_QUEUE_TYPE:kafka}" # kafka (Apache Kafka)
   prefix: "${TB_QUEUE_PREFIX:}" # Global queue prefix. If specified, prefix is added before default topic name: 'prefix.default_topic_name'. Prefix is applied to all topics (and consumer groups for kafka).
@@ -456,12 +462,14 @@ queue:
     poll_interval: "${TB_QUEUE_TRANSPORT_NOTIFICATIONS_POLL_INTERVAL_MS:25}"
 
 # Service common parameters
+# Identifies the service type and its unique instance ID within a ThingsBoard cluster.
 service:
   type: "${TB_SERVICE_TYPE:tb-transport}" # service type
   # Unique id for this service (autogenerated if empty)
   id: "${TB_SERVICE_ID:}"
 
 # Usage statistics parameters
+# Controls reporting of API usage statistics at system, tenant, and optionally customer level.
 usage:
   stats:
     report:
@@ -477,11 +485,13 @@ usage:
       pack_size: "${USAGE_STATS_REPORT_PACK_SIZE:1024}"
 
 # Metrics parameters
+# Enables or disables Actuator-based metrics collection (e.g., Prometheus endpoint).
 metrics:
   # Enable/disable actuator metrics.
   enabled: "${METRICS_ENABLED:false}"
 
 # General management parameters
+# Configures Spring Boot Actuator endpoint exposure, e.g. for Prometheus metrics scraping.
 management:
   endpoints:
     web:
@@ -490,6 +500,7 @@ management:
         include: "${METRICS_ENDPOINTS_EXPOSE:info}"
 
 # Notification system parameters
+# Configures deduplication rules for notification triggers to prevent repeated alerts within a time window.
 notification_system:
   rules:
     # Semicolon-separated deduplication durations (in millis) for trigger types. Format: 'NotificationRuleTriggerType1:123;NotificationRuleTriggerType2:456'
diff --git a/transport/mqtt/src/main/resources/tb-mqtt-transport.yml b/transport/mqtt/src/main/resources/tb-mqtt-transport.yml
index 0b96c57c13..9298b06d74 100644
--- a/transport/mqtt/src/main/resources/tb-mqtt-transport.yml
+++ b/transport/mqtt/src/main/resources/tb-mqtt-transport.yml
@@ -15,11 +15,13 @@
 #
 
 # Spring common parameters
+# Controls Spring Boot application type, web environment, and bean dependency settings.
 spring.main.web-environment: "${WEB_APPLICATION_ENABLE:false}" # If you enabled process metrics you should also enable 'web-environment'.
 spring.main.web-application-type: "${WEB_APPLICATION_TYPE:none}" # If you enabled process metrics you should set 'web-application-type' to 'servlet' value.
 spring.main.allow-circular-references: "true" # Spring Boot configuration property that controls whether circular dependencies between beans are allowed.
 
 # Server common parameters
+# Configures the embedded HTTP server bind address and port for actuator/metrics endpoints.
 server:
   # Server bind address (has no effect if web-environment is disabled).
   address: "${HTTP_BIND_ADDRESS:0.0.0.0}"
@@ -27,6 +29,7 @@ server:
   port: "${HTTP_BIND_PORT:8083}"
 
 # Zookeeper connection parameters. Used for service discovery.
+# Defines connection, session, retry settings and the node directory path for Zookeeper-based cluster coordination.
 zk:
   # Enable/disable zookeeper discovery service.
   enabled: "${ZOOKEEPER_ENABLED:false}"
@@ -46,6 +49,7 @@ zk:
   recalculate_delay: "${ZOOKEEPER_RECALCULATE_DELAY_MS:0}"
 
 # Cache parameters
+# Configures the cache backend type (Caffeine or Redis) and per-cache TTL and size limits.
 cache:
   # caffeine or redis
   type: "${CACHE_TYPE:redis}"
@@ -55,6 +59,7 @@ cache:
     maxSize: "${CACHE_SPECS_ENTITY_LIMITS_MAX_SIZE:100000}" # 0 means the cache is disabled
 
 # Redis/Valkey configuration parameters
+# Covers connection mode (standalone, cluster, sentinel), SSL, credentials, and connection pool tuning.
 redis:
   # standalone or cluster or sentinel
   connection:
@@ -134,6 +139,7 @@ redis:
     blockWhenExhausted: "${REDIS_POOL_CONFIG_BLOCK_WHEN_EXHAUSTED:true}"
 
 # MQTT server parameters
+# Configures the MQTT transport layer including bind address/port, SSL, Netty tuning, session management, rate limits, and message processing options.
 transport:
   mqtt:
     # MQTT bind-address
@@ -236,6 +242,7 @@ transport:
     ip_block_timeout: "${TB_TRANSPORT_IP_BLOCK_TIMEOUT:60000}"
 
 # Queue configuration parameters
+# Defines the messaging queue backend (Kafka), topic names, partitioning, and poll/processing settings for all platform microservices.
 queue:
   type: "${TB_QUEUE_TYPE:kafka}" # kafka (Apache Kafka)
   prefix: "${TB_QUEUE_PREFIX:}" # Global queue prefix. If specified, prefix is added before default topic name: 'prefix.default_topic_name'. Prefix is applied to all topics (and consumer groups for kafka).
@@ -389,12 +396,14 @@ queue:
     poll_interval: "${TB_QUEUE_TRANSPORT_NOTIFICATIONS_POLL_INTERVAL_MS:25}"
 
 # Service common properties
+# Identifies this service instance within the cluster by type and optional unique ID.
 service:
   type: "${TB_SERVICE_TYPE:tb-transport}" # service type
   # Unique id for this service (autogenerated if empty)
   id: "${TB_SERVICE_ID:}"
 
 # Usage statistics parameters
+# Controls reporting of API usage statistics at system, tenant, and customer levels with configurable intervals.
 usage:
   stats:
     report:
@@ -410,11 +419,13 @@ usage:
       pack_size: "${USAGE_STATS_REPORT_PACK_SIZE:1024}"
 
 # Metrics parameters
+# Enables or disables Micrometer actuator metrics collection for monitoring this service.
 metrics:
   # Enable/disable actuator metrics.
   enabled: "${METRICS_ENABLED:false}"
 
 # General management parameters
+# Configures Spring Boot Actuator endpoint exposure, including which endpoints are accessible over HTTP.
 management:
   endpoints:
     web:
@@ -423,6 +434,7 @@ management:
         include: "${METRICS_ENDPOINTS_EXPOSE:info}"
 
 # Notification system parameters
+# Configures deduplication rules for notification triggers to prevent repeated alerts within a defined time window.
 notification_system:
   rules:
     # Semicolon-separated deduplication durations (in millis) for trigger types. Format: 'NotificationRuleTriggerType1:123;NotificationRuleTriggerType2:456'
diff --git a/transport/snmp/src/main/resources/tb-snmp-transport.yml b/transport/snmp/src/main/resources/tb-snmp-transport.yml
index 71524ba47e..a3491170da 100644
--- a/transport/snmp/src/main/resources/tb-snmp-transport.yml
+++ b/transport/snmp/src/main/resources/tb-snmp-transport.yml
@@ -15,11 +15,13 @@
 #
 
 # Spring common parameters
+# Controls Spring Boot application type and web environment settings for the SNMP transport service.
 spring.main.web-environment: "${WEB_APPLICATION_ENABLE:false}" # If you enabled process metrics you should also enable 'web-environment'.
 spring.main.web-application-type: "${WEB_APPLICATION_TYPE:none}" # If you enabled process metrics you should set 'web-application-type' to 'servlet' value.
 spring.main.allow-circular-references: "true" # Spring Boot configuration property that controls whether circular dependencies between beans are allowed.
 
 # Server common parameters
+# Configures the embedded HTTP server bind address and port (used when web environment is enabled).
 server:
   # Server bind address (has no effect if web-environment is disabled).
   address: "${HTTP_BIND_ADDRESS:0.0.0.0}"
@@ -27,6 +29,7 @@ server:
   port: "${HTTP_BIND_PORT:8083}"
 
 # Zookeeper connection parameters. Used for service discovery.
+# Defines ZooKeeper connectivity, timeouts, and cluster node registration settings for service coordination.
 zk:
   # Enable/disable zookeeper discovery service.
   enabled: "${ZOOKEEPER_ENABLED:false}"
@@ -46,6 +49,7 @@ zk:
   recalculate_delay: "${ZOOKEEPER_RECALCULATE_DELAY_MS:0}"
 
 # Cache parameters
+# Specifies the caching backend (Caffeine or Redis) and per-entity cache TTL and size limits.
 cache:
   # caffeine or redis
   type: "${CACHE_TYPE:redis}"
@@ -55,6 +59,7 @@ cache:
     maxSize: "${CACHE_SPECS_ENTITY_LIMITS_MAX_SIZE:100000}" # 0 means the cache is disabled
 
 # Redis/Valkey configuration parameters
+# Covers standalone, cluster, and sentinel Redis connection modes, SSL, authentication, and connection pool tuning.
 redis:
   connection:
     # standalone or cluster or sentinel
@@ -133,6 +138,7 @@ redis:
     blockWhenExhausted: "${REDIS_POOL_CONFIG_BLOCK_WHEN_EXHAUSTED:true}"
 
 # Snmp server parameters
+# Configures the SNMP transport protocol, bind port, PDU limits, session management, JSON handling, logging, and statistics.
 transport:
   snmp:
     # Enable/disable SNMP transport protocol
@@ -184,6 +190,7 @@ transport:
     print-interval-ms: "${TB_TRANSPORT_STATS_PRINT_INTERVAL_MS:60000}"
 
 # Queue configuration parameters
+# Defines the message queue backend (Kafka) and topic/consumer settings for transport, core, rule-engine, and JS evaluation.
 queue:
   type: "${TB_QUEUE_TYPE:kafka}" # kafka (Apache Kafka)
   prefix: "${TB_QUEUE_PREFIX:}" # Global queue prefix. If specified, prefix is added before default topic name: 'prefix.default_topic_name'. Prefix is applied to all topics (and consumer groups for kafka).
@@ -344,12 +351,14 @@ queue:
     poll_interval: "${TB_QUEUE_TRANSPORT_NOTIFICATIONS_POLL_INTERVAL_MS:25}"
 
 # Service common parameters
+# Identifies this service instance by type and unique ID within a ThingsBoard cluster.
 service:
   type: "${TB_SERVICE_TYPE:tb-transport}" # service type
   # Unique id for this service (autogenerated if empty)
   id: "${TB_SERVICE_ID:}"
 
 # Usage statistics parameters
+# Controls collection and reporting intervals for API usage statistics at system, tenant, and customer levels.
 usage:
   stats:
     report:
@@ -365,11 +374,13 @@ usage:
       pack_size: "${USAGE_STATS_REPORT_PACK_SIZE:1024}"
 
 # Metrics parameters
+# Enables or disables actuator-based metrics collection (e.g., Prometheus) for the SNMP transport service.
 metrics:
   # Enable/disable actuator metrics.
   enabled: "${METRICS_ENABLED:false}"
 
 # General management parameters
+# Configures Spring Boot Actuator endpoint exposure, including which management endpoints are accessible over HTTP.
 management:
   endpoints:
     web:
@@ -378,6 +389,7 @@ management:
         include: "${METRICS_ENDPOINTS_EXPOSE:info}"
 
 # Notification system parameters
+# Defines deduplication rules for notification triggers to prevent duplicate alerts within configured time windows.
 notification_system:
   rules:
     # Semicolon-separated deduplication durations (in millis) for trigger types. Format: 'NotificationRuleTriggerType1:123;NotificationRuleTriggerType2:456'