diff --git a/README.md b/README.md
index e907d27..bb6634a 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ business REST endpoints (`/v1/*`).
 ## Features
 
 - Thermal printer driver (single printer path)
-- Auto-connect printer during startup
+- Auto-initialize printer driver during startup
 - Async print queue and worker lifecycle management
 - Printer precheck (paper / battery / temperature)
 - MIC key push-to-talk voice flow (button-triggered, no HTTP trigger)
@@ -52,7 +52,6 @@ In `menuconfig -> TQ Printer Config`:
   - `TQ_WIFI_PROV_SOFTAP_CHANNEL`
   - `TQ_WIFI_PROV_SOFTAP_MAX_CONN`
 - Thermal printer runtime and safety policy:
-  - `TQ_DIRECT_PRINTER_*`
   - `TQ_PRINTER_*`
 - Z-Image HTTP fields:
   - `TQ_Z_IMAGE_API_KEY` (optional, empty means fallback to `TQ_VOICE_API_KEY`)
diff --git a/components/domain/include/domain.h b/components/domain/include/domain.h
index bf7ca3c..17e4e86 100644
--- a/components/domain/include/domain.h
+++ b/components/domain/include/domain.h
@@ -25,10 +25,6 @@ bool domain_policy_is_retryable_error(esp_err_t err);
 
 uint32_t domain_policy_printer_stop_timeout_ms(void);
 
-uint32_t domain_policy_printer_connect_timeout_ms(void);
-uint32_t domain_policy_printer_connect_timeout_min_ms(void);
-uint32_t domain_policy_printer_connect_timeout_max_ms(void);
-
 uint32_t domain_policy_image_generation_timeout_default_ms(void);
 uint32_t domain_policy_image_generation_timeout_min_ms(void);
 uint32_t domain_policy_image_generation_timeout_max_ms(void);
@@ -192,7 +188,7 @@ typedef struct {
 
 typedef struct {
     // Printer-only option: bypass paper/temp/battery precheck for this print job.
-    bool direct_ignore_precheck;
+    bool ignore_precheck;
 } printer_print_options_t;
 
 typedef struct {
@@ -205,10 +201,9 @@ typedef struct {
     uint16_t override_strobe_interval_us;
     uint16_t override_motor_step_us;
     uint8_t override_steps_per_line;
-} printer_direct_debug_config_t;
+} printer_debug_config_t;
 
 typedef struct {
-    bool connected;
     bool busy;
     bool has_paper;
     int8_t paper_gpio_level;
@@ -224,13 +219,13 @@ typedef uint32_t printer_status_poll_pause_token_t;
 esp_err_t printer_protocol_init(void);
 esp_err_t printer_protocol_stop(uint32_t timeout_ms);
 
-esp_err_t printer_protocol_get_direct_debug_config(printer_direct_debug_config_t *out_config,
-                                                   char *err,
-                                                   size_t err_len);
-esp_err_t printer_protocol_set_direct_debug_config(const printer_direct_debug_config_t *config,
-                                                   bool reset_defaults,
-                                                   char *err,
-                                                   size_t err_len);
+esp_err_t printer_protocol_get_debug_config(printer_debug_config_t *out_config,
+                                            char *err,
+                                            size_t err_len);
+esp_err_t printer_protocol_set_debug_config(const printer_debug_config_t *config,
+                                            bool reset_defaults,
+                                            char *err,
+                                            size_t err_len);
 
 void printer_protocol_get_runtime_status(printer_runtime_status_t *out_status);
 printer_status_poll_pause_token_t printer_protocol_status_poll_pause_acquire(void);
diff --git a/components/domain/internal/printer_protocol_internal.h b/components/domain/internal/printer_protocol_internal.h
index 3dbe71c..1aba50e 100644
--- a/components/domain/internal/printer_protocol_internal.h
+++ b/components/domain/internal/printer_protocol_internal.h
@@ -26,7 +26,7 @@
 typedef struct {
     bool used;
     bool cancel_requested;
-    bool direct_ignore_precheck;
+    bool ignore_precheck;
     uint32_t id;
     print_job_state_t state;
     uint8_t progress;
@@ -64,9 +64,6 @@ extern TaskHandle_t s_status_poll_task_handle;
 extern bool s_protocol_initialized;
 extern bool s_protocol_stopping;
 
-bool printer_protocol_acquire_control_lane(uint32_t timeout_ms, char *err, size_t err_len);
-void printer_protocol_release_control_lane(void);
-
 int printer_protocol_find_job_idx_locked(uint32_t id);
 int printer_protocol_alloc_job_slot_locked(void);
 bool printer_protocol_is_terminal_state(print_job_state_t state);
diff --git a/components/domain/src/domain_runtime_contracts.c b/components/domain/src/domain_runtime_contracts.c
index da2d45b..a10a571 100644
--- a/components/domain/src/domain_runtime_contracts.c
+++ b/components/domain/src/domain_runtime_contracts.c
@@ -76,18 +76,6 @@ uint32_t domain_policy_printer_stop_timeout_ms(void) {
     return runtime_policy_printer_stop_timeout_ms();
 }
 
-uint32_t domain_policy_printer_connect_timeout_ms(void) {
-    return runtime_policy_printer_connect_timeout_ms();
-}
-
-uint32_t domain_policy_printer_connect_timeout_min_ms(void) {
-    return 1000;
-}
-
-uint32_t domain_policy_printer_connect_timeout_max_ms(void) {
-    return 60000;
-}
-
 uint32_t domain_policy_image_generation_timeout_default_ms(void) {
     return runtime_policy_image_generation_timeout_default_ms();
 }
diff --git a/components/domain/src/printer_protocol.c b/components/domain/src/printer_protocol.c
index 1ee7912..e60cc39 100644
--- a/components/domain/src/printer_protocol.c
+++ b/components/domain/src/printer_protocol.c
@@ -1,7 +1,6 @@
 #include "domain.h"
 #include "printer_protocol_internal.h"
 
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -44,15 +43,12 @@ static const char *TAG = "printer_protocol";
 #endif
 
 static esp_err_t ensure_direct_backend_ready(void) {
-    if (!runtime_policy_direct_printer_enabled()) {
-        return ESP_ERR_NOT_SUPPORTED;
-    }
-    return platform_direct_printer_init();
+    return platform_printer_init();
 }
 
 static void refresh_direct_status_locked(void) {
     platform_printer_sensors_t sensors = {0};
-    if (platform_direct_printer_get_sensors(&sensors) == ESP_OK) {
+    if (platform_printer_get_sensors(&sensors) == ESP_OK) {
         s_status.has_paper = sensors.has_paper;
         s_status.paper_gpio_level = sensors.paper_gpio_level;
         s_status.paper_present_level = sensors.paper_present_level;
@@ -210,57 +206,6 @@ void printer_protocol_status_poll_pause_release(printer_status_poll_pause_token_
     *token = 0;
 }
 
-bool printer_protocol_acquire_control_lane(uint32_t timeout_ms, char *err, size_t err_len) {
-    if (!s_protocol_initialized || s_mutex == NULL) {
-        if (err != NULL && err_len > 0) {
-            snprintf(err, err_len, "printer protocol not initialized");
-        }
-        return false;
-    }
-
-    if (xSemaphoreTake(s_mutex, pdMS_TO_TICKS(timeout_ms)) != pdTRUE) {
-        if (err != NULL && err_len > 0) {
-            snprintf(err, err_len, "lock timeout");
-        }
-        return false;
-    }
-
-    if (s_protocol_stopping) {
-        xSemaphoreGive(s_mutex);
-        if (err != NULL && err_len > 0) {
-            snprintf(err, err_len, "printer protocol stopping");
-        }
-        return false;
-    }
-
-    if (s_busy_refcnt != 0) {
-        xSemaphoreGive(s_mutex);
-        if (err != NULL && err_len > 0) {
-            snprintf(err, err_len, "printer busy");
-        }
-        return false;
-    }
-
-    s_busy_refcnt = 1;
-    xSemaphoreGive(s_mutex);
-    return true;
-}
-
-void printer_protocol_release_control_lane(void) {
-    if (s_mutex == NULL) {
-        return;
-    }
-
-    if (xSemaphoreTake(s_mutex, pdMS_TO_TICKS(1000)) != pdTRUE) {
-        return;
-    }
-
-    if (s_busy_refcnt > 0) {
-        --s_busy_refcnt;
-    }
-    xSemaphoreGive(s_mutex);
-}
-
 static void status_poll_task(void *arg) {
     (void)arg;
 
@@ -278,8 +223,7 @@ static void status_poll_task(void *arg) {
             break;
         }
 
-        if (can_poll && platform_direct_printer_is_connected() &&
-            xSemaphoreTake(s_mutex, pdMS_TO_TICKS(100)) == pdTRUE) {
+        if (can_poll && xSemaphoreTake(s_mutex, pdMS_TO_TICKS(100)) == pdTRUE) {
             refresh_direct_status_locked();
             xSemaphoreGive(s_mutex);
         }
@@ -350,21 +294,11 @@ esp_err_t printer_protocol_init(void) {
         return err;
     }
 
-    uint32_t connect_timeout_ms = domain_policy_printer_connect_timeout_ms();
-    err = platform_direct_printer_connect(connect_timeout_ms);
-    if (err != ESP_OK) {
-        s_protocol_initialized = false;
-        platform_direct_printer_disconnect();
-        platform_direct_printer_deinit();
-        destroy_runtime_objects();
-        return err;
-    }
-
     if (xSemaphoreTake(s_mutex, pdMS_TO_TICKS(200)) == pdTRUE) {
         refresh_direct_status_locked();
         xSemaphoreGive(s_mutex);
     }
-    ESP_LOGI(TAG, "printer auto connected at startup");
+    ESP_LOGI(TAG, "printer driver ready at startup");
 
     BaseType_t ok = printer_create_task_prefer_psram(printer_protocol_worker_task,
                                                       "print_worker",
@@ -423,8 +357,6 @@ esp_err_t printer_protocol_stop(uint32_t timeout_ms) {
         (void)xQueueSend(s_job_queue, &sentinel, 0);
     }
 
-    platform_direct_printer_disconnect();
-
     bool worker_done = (s_worker_task == NULL);
     bool poll_done = (s_status_poll_task_handle == NULL);
 
@@ -468,7 +400,7 @@ esp_err_t printer_protocol_stop(uint32_t timeout_ms) {
     runtime_diag_set_gauge(RUNTIME_DIAG_GAUGE_STATUS_POLL_PAUSE_DEPTH, 0);
     runtime_diag_set_gauge(RUNTIME_DIAG_GAUGE_PRINTER_QUEUE_DEPTH, 0);
 
-    platform_direct_printer_deinit();
+    platform_printer_deinit();
 
     ESP_LOGI(TAG, "printer protocol stopped");
     return (worker_done && poll_done) ? ESP_OK : ESP_ERR_TIMEOUT;
@@ -482,10 +414,8 @@ void printer_protocol_get_runtime_status(printer_runtime_status_t *out_status) {
     memset(out_status, 0, sizeof(*out_status));
     out_status->paper_gpio_level = -1;
 
-    out_status->connected = platform_direct_printer_is_connected();
-
     platform_printer_sensors_t sensors = {0};
-    if (platform_direct_printer_get_sensors(&sensors) == ESP_OK &&
+    if (platform_printer_get_sensors(&sensors) == ESP_OK &&
         s_mutex != NULL &&
         xSemaphoreTake(s_mutex, pdMS_TO_TICKS(100)) == pdTRUE) {
         s_status.has_paper = sensors.has_paper;
diff --git a/components/domain/src/printer_protocol_commands.c b/components/domain/src/printer_protocol_commands.c
index 4050df0..1dc1969 100644
--- a/components/domain/src/printer_protocol_commands.c
+++ b/components/domain/src/printer_protocol_commands.c
@@ -10,34 +10,26 @@ static void write_err(char *err, size_t err_len, const char *msg) {
 }
 
 esp_err_t printer_protocol_gap_move(uint32_t timeout_ms, char *err, size_t err_len) {
-    if (!runtime_policy_direct_printer_enabled()) {
-        write_err(err, err_len, "printer driver disabled");
-        return ESP_ERR_NOT_SUPPORTED;
-    }
-    return platform_direct_printer_gap_move(timeout_ms, err, err_len);
+    return platform_printer_gap_move(timeout_ms, err, err_len);
 }
 
-esp_err_t printer_protocol_get_direct_debug_config(printer_direct_debug_config_t *out_config,
-                                                   char *err,
-                                                   size_t err_len) {
+esp_err_t printer_protocol_get_debug_config(printer_debug_config_t *out_config,
+                                            char *err,
+                                            size_t err_len) {
     if (out_config == NULL) {
         write_err(err, err_len, "invalid args");
         return ESP_ERR_INVALID_ARG;
     }
-    if (!runtime_policy_direct_printer_enabled()) {
-        write_err(err, err_len, "printer driver disabled");
-        return ESP_ERR_NOT_SUPPORTED;
-    }
 
-    esp_err_t rc = platform_direct_printer_get_debug_config(&out_config->shift_clock_high_us,
-                                                            &out_config->shift_clock_low_us,
-                                                            &out_config->latch_pulse_us,
-                                                            &out_config->strobe_active_high,
-                                                            &out_config->boost_active_high,
-                                                            &out_config->override_strobe_on_us,
-                                                            &out_config->override_strobe_interval_us,
-                                                            &out_config->override_motor_step_us,
-                                                            &out_config->override_steps_per_line);
+    esp_err_t rc = platform_printer_get_debug_config(&out_config->shift_clock_high_us,
+                                                     &out_config->shift_clock_low_us,
+                                                     &out_config->latch_pulse_us,
+                                                     &out_config->strobe_active_high,
+                                                     &out_config->boost_active_high,
+                                                     &out_config->override_strobe_on_us,
+                                                     &out_config->override_strobe_interval_us,
+                                                     &out_config->override_motor_step_us,
+                                                     &out_config->override_steps_per_line);
     if (rc != ESP_OK) {
         write_err(err, err_len, "get printer debug config failed");
         return rc;
@@ -45,32 +37,28 @@ esp_err_t printer_protocol_get_direct_debug_config(printer_direct_debug_config_t
     return ESP_OK;
 }
 
-esp_err_t printer_protocol_set_direct_debug_config(const printer_direct_debug_config_t *config,
-                                                   bool reset_defaults,
-                                                   char *err,
-                                                   size_t err_len) {
+esp_err_t printer_protocol_set_debug_config(const printer_debug_config_t *config,
+                                            bool reset_defaults,
+                                            char *err,
+                                            size_t err_len) {
     if (config == NULL && !reset_defaults) {
         write_err(err, err_len, "invalid args");
         return ESP_ERR_INVALID_ARG;
     }
-    if (!runtime_policy_direct_printer_enabled()) {
-        write_err(err, err_len, "printer driver disabled");
-        return ESP_ERR_NOT_SUPPORTED;
-    }
 
-    return platform_direct_printer_set_debug_config(config != NULL,
-                                                    config != NULL ? config->shift_clock_high_us : 0,
-                                                    config != NULL ? config->shift_clock_low_us : 0,
-                                                    config != NULL ? config->latch_pulse_us : 0,
-                                                    config != NULL ? config->strobe_active_high : false,
-                                                    config != NULL ? config->boost_active_high : false,
-                                                    config != NULL ? config->override_strobe_on_us : 0,
-                                                    config != NULL ? config->override_strobe_interval_us : 0,
-                                                    config != NULL ? config->override_motor_step_us : 0,
-                                                    config != NULL ? config->override_steps_per_line : 0,
-                                                    reset_defaults,
-                                                    err,
-                                                    err_len);
+    return platform_printer_set_debug_config(config != NULL,
+                                             config != NULL ? config->shift_clock_high_us : 0,
+                                             config != NULL ? config->shift_clock_low_us : 0,
+                                             config != NULL ? config->latch_pulse_us : 0,
+                                             config != NULL ? config->strobe_active_high : false,
+                                             config != NULL ? config->boost_active_high : false,
+                                             config != NULL ? config->override_strobe_on_us : 0,
+                                             config != NULL ? config->override_strobe_interval_us : 0,
+                                             config != NULL ? config->override_motor_step_us : 0,
+                                             config != NULL ? config->override_steps_per_line : 0,
+                                             reset_defaults,
+                                             err,
+                                             err_len);
 }
 
 const char *printer_protocol_job_state_str(print_job_state_t state) {
diff --git a/components/domain/src/printer_protocol_jobs.c b/components/domain/src/printer_protocol_jobs.c
index dcbff03..a2d9cf5 100644
--- a/components/domain/src/printer_protocol_jobs.c
+++ b/components/domain/src/printer_protocol_jobs.c
@@ -135,11 +135,11 @@ esp_err_t printer_protocol_submit_raster_job_ex(const uint8_t *raster,
     s_jobs[idx].width = width;
     s_jobs[idx].height = height;
     s_jobs[idx].data_len = raster_len;
-    s_jobs[idx].direct_ignore_precheck = (options != NULL && options->direct_ignore_precheck);
+    s_jobs[idx].ignore_precheck = (options != NULL && options->ignore_precheck);
     s_jobs[idx].created_ms = esp_timer_get_time() / 1000;
     s_jobs[idx].data = copy;
     strlcpy(s_jobs[idx].density, density != NULL ? density : "中等", sizeof(s_jobs[idx].density));
-    bool ignore_precheck = s_jobs[idx].direct_ignore_precheck;
+    bool ignore_precheck = s_jobs[idx].ignore_precheck;
 
     xSemaphoreGive(s_mutex);
 
diff --git a/components/domain/src/printer_protocol_worker.c b/components/domain/src/printer_protocol_worker.c
index eb88d09..a1c2192 100644
--- a/components/domain/src/printer_protocol_worker.c
+++ b/components/domain/src/printer_protocol_worker.c
@@ -31,13 +31,13 @@ static uint16_t density_to_hot_time(const char *density) {
     return 2000;
 }
 
-static bool precheck_printer_ready(bool direct_ignore_precheck, char *err, size_t err_len) {
-    if (direct_ignore_precheck) {
+static bool precheck_printer_ready(bool ignore_precheck, char *err, size_t err_len) {
+    if (ignore_precheck) {
         return true;
     }
 
     platform_printer_sensors_t sensors = {0};
-    if (platform_direct_printer_get_sensors(&sensors) != ESP_OK) {
+    if (platform_printer_get_sensors(&sensors) != ESP_OK) {
         snprintf(err, err_len, "sensor read failed");
         return false;
     }
@@ -46,8 +46,8 @@ static bool precheck_printer_ready(bool direct_ignore_precheck, char *err, size_
         return false;
     }
 
-    float temp_min = runtime_policy_direct_printer_temp_min_c();
-    float temp_max = runtime_policy_direct_printer_temp_max_c();
+    float temp_min = runtime_policy_printer_temp_min_c();
+    float temp_max = runtime_policy_printer_temp_max_c();
     if (temp_max <= temp_min) {
         temp_max = temp_min + 1.0f;
     }
@@ -56,7 +56,7 @@ static bool precheck_printer_ready(bool direct_ignore_precheck, char *err, size_
         return false;
     }
 
-    if (sensors.battery_percent < runtime_policy_direct_printer_battery_min_percent()) {
+    if (sensors.battery_percent < runtime_policy_printer_battery_min_percent()) {
         snprintf(err, err_len, "battery too low");
         return false;
     }
@@ -64,28 +64,23 @@ static bool precheck_printer_ready(bool direct_ignore_precheck, char *err, size_
 }
 
 static bool run_print_job_direct(job_slot_t *job) {
-    if (!platform_direct_printer_is_connected()) {
-        snprintf(job->error, sizeof(job->error), "printer not connected");
-        return false;
-    }
-
     char check_err[96];
-    if (!precheck_printer_ready(job->direct_ignore_precheck, check_err, sizeof(check_err))) {
+    if (!precheck_printer_ready(job->ignore_precheck, check_err, sizeof(check_err))) {
         snprintf(job->error, sizeof(job->error), "%s", check_err);
         return false;
     }
 
-    platform_direct_print_request_t req = {
+    platform_printer_print_request_t req = {
         .width = job->width,
         .height = job->height,
         .raster = job->data,
         .raster_len = job->data_len,
         .strobe_on_time_us = density_to_hot_time(job->density),
-        .strobe_interval_us = runtime_policy_direct_printer_strobe_interval_us(),
-        .motor_step_delay_us = runtime_policy_direct_printer_motor_step_us(),
-        .motor_steps_per_line = runtime_policy_direct_printer_steps_per_line(),
-        .timeout_ms = runtime_policy_direct_printer_operation_timeout_ms(),
-        .ignore_precheck = job->direct_ignore_precheck,
+        .strobe_interval_us = runtime_policy_printer_strobe_interval_us(),
+        .motor_step_delay_us = runtime_policy_printer_motor_step_us(),
+        .motor_steps_per_line = runtime_policy_printer_steps_per_line(),
+        .timeout_ms = runtime_policy_printer_operation_timeout_ms(),
+        .ignore_precheck = job->ignore_precheck,
         .cancel_flag = &job->cancel_requested,
     };
 
@@ -95,7 +90,7 @@ static bool run_print_job_direct(job_slot_t *job) {
     }
 
     char direct_err[96] = {0};
-    esp_err_t rc = platform_direct_printer_print(&req, direct_err, sizeof(direct_err));
+    esp_err_t rc = platform_printer_print(&req, direct_err, sizeof(direct_err));
     if (rc != ESP_OK) {
         if (direct_err[0] != 0) {
             snprintf(job->error, sizeof(job->error), "%s", direct_err);
@@ -124,7 +119,7 @@ static bool run_print_job(job_slot_t *job) {
              (unsigned)job->width,
              (unsigned)job->height,
              job->density,
-             job->direct_ignore_precheck);
+             job->ignore_precheck);
 
     if (printer_protocol_is_stopping()) {
         snprintf(job->error, sizeof(job->error), "protocol stopping");
diff --git a/components/domain/src/voice_interaction_marker.c b/components/domain/src/voice_interaction_marker.c
index 7720256..c5df2ca 100644
--- a/components/domain/src/voice_interaction_marker.c
+++ b/components/domain/src/voice_interaction_marker.c
@@ -316,7 +316,7 @@ static esp_err_t voice_submit_marker_generated_image(const voice_image_generatio
     uint32_t job_id = 0;
     char submit_err[128] = {0};
     printer_print_options_t print_opt = {
-        .direct_ignore_precheck = true,
+        .ignore_precheck = true,
     };
     esp_err_t submit_rc = printer_protocol_submit_raster_job_ex(raster,
                                                                  raster_len,
diff --git a/components/platform/CMakeLists.txt b/components/platform/CMakeLists.txt
index 9ee12af..3bcb5ca 100644
--- a/components/platform/CMakeLists.txt
+++ b/components/platform/CMakeLists.txt
@@ -2,7 +2,7 @@ idf_component_register(
     SRCS
         "src/platform_bootstrap.c"
         "src/wifi_manager.c"
-        "src/direct_thermal_printer.c"
+        "src/thermal_printer.c"
         "src/display_st7789.c"
         "src/display_lcd_module.c"
         "src/display_lcd_decode_image.c"
diff --git a/components/platform/include/platform.h b/components/platform/include/platform.h
index a354422..3f40d46 100644
--- a/components/platform/include/platform.h
+++ b/components/platform/include/platform.h
@@ -20,7 +20,7 @@ esp_err_t wifi_manager_stop(void);
 bool wifi_manager_is_ready(void);
 void wifi_manager_get_ip(char *buf, size_t buf_len);
 
-// ---------- direct_thermal_printer ----------
+// ---------- thermal_printer ----------
 typedef struct {
     bool has_paper;
     int8_t paper_gpio_level;
@@ -42,40 +42,37 @@ typedef struct {
     uint32_t timeout_ms;
     bool ignore_precheck;
     const volatile bool *cancel_flag;
-} platform_direct_print_request_t;
+} platform_printer_print_request_t;
 
-esp_err_t platform_direct_printer_init(void);
-void platform_direct_printer_deinit(void);
-esp_err_t platform_direct_printer_connect(uint32_t timeout_ms);
-void platform_direct_printer_disconnect(void);
-bool platform_direct_printer_is_connected(void);
-esp_err_t platform_direct_printer_get_sensors(platform_printer_sensors_t *out_sensors);
-esp_err_t platform_direct_printer_get_debug_config(uint16_t *out_shift_clock_high_us,
-                                                   uint16_t *out_shift_clock_low_us,
-                                                   uint16_t *out_latch_pulse_us,
-                                                   bool *out_strobe_active_high,
-                                                   bool *out_boost_active_high,
-                                                   uint16_t *out_override_strobe_on_us,
-                                                   uint16_t *out_override_strobe_interval_us,
-                                                   uint16_t *out_override_motor_step_us,
-                                                   uint8_t *out_override_steps_per_line);
-esp_err_t platform_direct_printer_set_debug_config(bool has_config,
-                                                   uint16_t shift_clock_high_us,
-                                                   uint16_t shift_clock_low_us,
-                                                   uint16_t latch_pulse_us,
-                                                   bool strobe_active_high,
-                                                   bool boost_active_high,
-                                                   uint16_t override_strobe_on_us,
-                                                   uint16_t override_strobe_interval_us,
-                                                   uint16_t override_motor_step_us,
-                                                   uint8_t override_steps_per_line,
-                                                   bool reset_defaults,
-                                                   char *err,
-                                                   size_t err_len);
-esp_err_t platform_direct_printer_print(const platform_direct_print_request_t *request,
-                                        char *err,
-                                        size_t err_len);
-esp_err_t platform_direct_printer_gap_move(uint32_t timeout_ms, char *err, size_t err_len);
+esp_err_t platform_printer_init(void);
+void platform_printer_deinit(void);
+esp_err_t platform_printer_get_sensors(platform_printer_sensors_t *out_sensors);
+esp_err_t platform_printer_get_debug_config(uint16_t *out_shift_clock_high_us,
+                                            uint16_t *out_shift_clock_low_us,
+                                            uint16_t *out_latch_pulse_us,
+                                            bool *out_strobe_active_high,
+                                            bool *out_boost_active_high,
+                                            uint16_t *out_override_strobe_on_us,
+                                            uint16_t *out_override_strobe_interval_us,
+                                            uint16_t *out_override_motor_step_us,
+                                            uint8_t *out_override_steps_per_line);
+esp_err_t platform_printer_set_debug_config(bool has_config,
+                                            uint16_t shift_clock_high_us,
+                                            uint16_t shift_clock_low_us,
+                                            uint16_t latch_pulse_us,
+                                            bool strobe_active_high,
+                                            bool boost_active_high,
+                                            uint16_t override_strobe_on_us,
+                                            uint16_t override_strobe_interval_us,
+                                            uint16_t override_motor_step_us,
+                                            uint8_t override_steps_per_line,
+                                            bool reset_defaults,
+                                            char *err,
+                                            size_t err_len);
+esp_err_t platform_printer_print(const platform_printer_print_request_t *request,
+                                 char *err,
+                                 size_t err_len);
+esp_err_t platform_printer_gap_move(uint32_t timeout_ms, char *err, size_t err_len);
 
 // ---------- display_st7789 ----------
 esp_err_t platform_display_init(void);
@@ -149,25 +146,23 @@ uint32_t runtime_policy_printer_queue_retry_delay_ms(void);
 uint32_t runtime_policy_printer_status_poll_interval_ms(void);
 uint32_t runtime_policy_printer_stop_timeout_ms(void);
 
-bool runtime_policy_direct_printer_enabled(void);
-uint32_t runtime_policy_direct_printer_operation_timeout_ms(void);
-uint16_t runtime_policy_direct_printer_strobe_on_us(void);
-uint16_t runtime_policy_direct_printer_strobe_interval_us(void);
-uint16_t runtime_policy_direct_printer_motor_step_us(void);
-bool runtime_policy_direct_printer_motor_reverse(void);
-uint8_t runtime_policy_direct_printer_steps_per_line(void);
-uint16_t runtime_policy_direct_printer_gap_steps(void);
-float runtime_policy_direct_printer_temp_min_c(void);
-float runtime_policy_direct_printer_temp_max_c(void);
-uint8_t runtime_policy_direct_printer_battery_min_percent(void);
-uint8_t runtime_policy_direct_printer_paper_present_level(void);
-uint16_t runtime_policy_direct_printer_battery_empty_mv(void);
-uint16_t runtime_policy_direct_printer_battery_full_mv(void);
-uint16_t runtime_policy_direct_printer_battery_divider_ratio_x1000(void);
-uint32_t runtime_policy_direct_printer_ntc_pullup_ohms(void);
-uint32_t runtime_policy_direct_printer_ntc_r25_ohms(void);
-uint32_t runtime_policy_direct_printer_ntc_beta(void);
-uint32_t runtime_policy_printer_connect_timeout_ms(void);
+uint32_t runtime_policy_printer_operation_timeout_ms(void);
+uint16_t runtime_policy_printer_strobe_on_us(void);
+uint16_t runtime_policy_printer_strobe_interval_us(void);
+uint16_t runtime_policy_printer_motor_step_us(void);
+bool runtime_policy_printer_motor_reverse(void);
+uint8_t runtime_policy_printer_steps_per_line(void);
+uint16_t runtime_policy_printer_gap_steps(void);
+float runtime_policy_printer_temp_min_c(void);
+float runtime_policy_printer_temp_max_c(void);
+uint8_t runtime_policy_printer_battery_min_percent(void);
+uint8_t runtime_policy_printer_paper_present_level(void);
+uint16_t runtime_policy_printer_battery_empty_mv(void);
+uint16_t runtime_policy_printer_battery_full_mv(void);
+uint16_t runtime_policy_printer_battery_divider_ratio_x1000(void);
+uint32_t runtime_policy_printer_ntc_pullup_ohms(void);
+uint32_t runtime_policy_printer_ntc_r25_ohms(void);
+uint32_t runtime_policy_printer_ntc_beta(void);
 
 uint32_t runtime_policy_image_generation_timeout_default_ms(void);
 uint32_t runtime_policy_image_generation_timeout_min_ms(void);
diff --git a/components/platform/src/display_lcd_module.c b/components/platform/src/display_lcd_module.c
index 0212193..14d9938 100644
--- a/components/platform/src/display_lcd_module.c
+++ b/components/platform/src/display_lcd_module.c
@@ -179,7 +179,7 @@ static esp_err_t lcd_recover_panel_for_shared_spi(void)
     }
 
     /*
-     * Direct-printer path temporarily takes over shared MOSI/CLK as GPIO.
+     * Printer path temporarily takes over shared MOSI/CLK as GPIO.
      * Recover LCD SPI routing only when printer touched shared pins.
      */
     esp_err_t recover_rc = st7789p3_recover_spi_bus(s_lcd.panel);
diff --git a/components/platform/src/runtime_policy.c b/components/platform/src/runtime_policy.c
index 576f9c8..fe5917c 100644
--- a/components/platform/src/runtime_policy.c
+++ b/components/platform/src/runtime_policy.c
@@ -34,80 +34,72 @@
 #define CONFIG_TQ_PRINTER_STOP_TIMEOUT_MS 8000
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_ENABLE
-#define CONFIG_TQ_DIRECT_PRINTER_ENABLE 1
+#ifndef CONFIG_TQ_PRINTER_OPERATION_TIMEOUT_MS
+#define CONFIG_TQ_PRINTER_OPERATION_TIMEOUT_MS 90000
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_OPERATION_TIMEOUT_MS
-#define CONFIG_TQ_DIRECT_PRINTER_OPERATION_TIMEOUT_MS 90000
+#ifndef CONFIG_TQ_PRINTER_STROBE_ON_US
+#define CONFIG_TQ_PRINTER_STROBE_ON_US 1000
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_STROBE_ON_US
-#define CONFIG_TQ_DIRECT_PRINTER_STROBE_ON_US 1000
+#ifndef CONFIG_TQ_PRINTER_STROBE_INTERVAL_US
+#define CONFIG_TQ_PRINTER_STROBE_INTERVAL_US 200
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_STROBE_INTERVAL_US
-#define CONFIG_TQ_DIRECT_PRINTER_STROBE_INTERVAL_US 200
+#ifndef CONFIG_TQ_PRINTER_MOTOR_STEP_US
+#define CONFIG_TQ_PRINTER_MOTOR_STEP_US 2000
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_MOTOR_STEP_US
-#define CONFIG_TQ_DIRECT_PRINTER_MOTOR_STEP_US 2000
+#ifndef CONFIG_TQ_PRINTER_MOTOR_REVERSE
+#define CONFIG_TQ_PRINTER_MOTOR_REVERSE 0
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_MOTOR_REVERSE
-#define CONFIG_TQ_DIRECT_PRINTER_MOTOR_REVERSE 0
+#ifndef CONFIG_TQ_PRINTER_STEPS_PER_LINE
+#define CONFIG_TQ_PRINTER_STEPS_PER_LINE 2
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_STEPS_PER_LINE
-#define CONFIG_TQ_DIRECT_PRINTER_STEPS_PER_LINE 2
+#ifndef CONFIG_TQ_PRINTER_GAP_STEPS
+#define CONFIG_TQ_PRINTER_GAP_STEPS 96
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_GAP_STEPS
-#define CONFIG_TQ_DIRECT_PRINTER_GAP_STEPS 96
+#ifndef CONFIG_TQ_PRINTER_TEMP_MIN_C
+#define CONFIG_TQ_PRINTER_TEMP_MIN_C 15
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_TEMP_MIN_C
-#define CONFIG_TQ_DIRECT_PRINTER_TEMP_MIN_C 15
+#ifndef CONFIG_TQ_PRINTER_TEMP_MAX_C
+#define CONFIG_TQ_PRINTER_TEMP_MAX_C 55
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_TEMP_MAX_C
-#define CONFIG_TQ_DIRECT_PRINTER_TEMP_MAX_C 55
+#ifndef CONFIG_TQ_PRINTER_BATTERY_MIN_PERCENT
+#define CONFIG_TQ_PRINTER_BATTERY_MIN_PERCENT 5
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_BATTERY_MIN_PERCENT
-#define CONFIG_TQ_DIRECT_PRINTER_BATTERY_MIN_PERCENT 5
+#ifndef CONFIG_TQ_PRINTER_PAPER_PRESENT_LEVEL
+#define CONFIG_TQ_PRINTER_PAPER_PRESENT_LEVEL 0
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_PAPER_PRESENT_LEVEL
-#define CONFIG_TQ_DIRECT_PRINTER_PAPER_PRESENT_LEVEL 0
+#ifndef CONFIG_TQ_PRINTER_BATTERY_EMPTY_MV
+#define CONFIG_TQ_PRINTER_BATTERY_EMPTY_MV 3300
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_BATTERY_EMPTY_MV
-#define CONFIG_TQ_DIRECT_PRINTER_BATTERY_EMPTY_MV 3300
+#ifndef CONFIG_TQ_PRINTER_BATTERY_FULL_MV
+#define CONFIG_TQ_PRINTER_BATTERY_FULL_MV 4200
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_BATTERY_FULL_MV
-#define CONFIG_TQ_DIRECT_PRINTER_BATTERY_FULL_MV 4200
+#ifndef CONFIG_TQ_PRINTER_BATTERY_DIVIDER_RATIO_X1000
+#define CONFIG_TQ_PRINTER_BATTERY_DIVIDER_RATIO_X1000 2000
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_BATTERY_DIVIDER_RATIO_X1000
-#define CONFIG_TQ_DIRECT_PRINTER_BATTERY_DIVIDER_RATIO_X1000 2000
+#ifndef CONFIG_TQ_PRINTER_NTC_PULLUP_OHMS
+#define CONFIG_TQ_PRINTER_NTC_PULLUP_OHMS 10000
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_NTC_PULLUP_OHMS
-#define CONFIG_TQ_DIRECT_PRINTER_NTC_PULLUP_OHMS 10000
+#ifndef CONFIG_TQ_PRINTER_NTC_R25_OHMS
+#define CONFIG_TQ_PRINTER_NTC_R25_OHMS 10000
 #endif
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_NTC_R25_OHMS
-#define CONFIG_TQ_DIRECT_PRINTER_NTC_R25_OHMS 10000
-#endif
-
-#ifndef CONFIG_TQ_DIRECT_PRINTER_NTC_BETA
-#define CONFIG_TQ_DIRECT_PRINTER_NTC_BETA 3950
-#endif
-
-#ifndef CONFIG_TQ_PRINTER_CONNECT_TIMEOUT_MS
-#define CONFIG_TQ_PRINTER_CONNECT_TIMEOUT_MS 15000
+#ifndef CONFIG_TQ_PRINTER_NTC_BETA
+#define CONFIG_TQ_PRINTER_NTC_BETA 3950
 #endif
 
 #ifndef CONFIG_TQ_Z_IMAGE_TIMEOUT_MS
@@ -189,85 +181,77 @@ uint32_t runtime_policy_printer_stop_timeout_ms(void) {
     return clamp_u32(CONFIG_TQ_PRINTER_STOP_TIMEOUT_MS, 1000, 30000);
 }
 
-bool runtime_policy_direct_printer_enabled(void) {
-    return CONFIG_TQ_DIRECT_PRINTER_ENABLE != 0;
+uint32_t runtime_policy_printer_operation_timeout_ms(void) {
+    return clamp_u32(CONFIG_TQ_PRINTER_OPERATION_TIMEOUT_MS, 1000, 300000);
 }
 
-uint32_t runtime_policy_direct_printer_operation_timeout_ms(void) {
-    return clamp_u32(CONFIG_TQ_DIRECT_PRINTER_OPERATION_TIMEOUT_MS, 1000, 300000);
+uint16_t runtime_policy_printer_strobe_on_us(void) {
+    return clamp_u16((uint16_t)CONFIG_TQ_PRINTER_STROBE_ON_US, 100, 10000);
 }
 
-uint16_t runtime_policy_direct_printer_strobe_on_us(void) {
-    return clamp_u16((uint16_t)CONFIG_TQ_DIRECT_PRINTER_STROBE_ON_US, 100, 10000);
+uint16_t runtime_policy_printer_strobe_interval_us(void) {
+    return clamp_u16((uint16_t)CONFIG_TQ_PRINTER_STROBE_INTERVAL_US, 0, 10000);
 }
 
-uint16_t runtime_policy_direct_printer_strobe_interval_us(void) {
-    return clamp_u16((uint16_t)CONFIG_TQ_DIRECT_PRINTER_STROBE_INTERVAL_US, 0, 10000);
+uint16_t runtime_policy_printer_motor_step_us(void) {
+    return clamp_u16((uint16_t)CONFIG_TQ_PRINTER_MOTOR_STEP_US, 100, 20000);
 }
 
-uint16_t runtime_policy_direct_printer_motor_step_us(void) {
-    return clamp_u16((uint16_t)CONFIG_TQ_DIRECT_PRINTER_MOTOR_STEP_US, 100, 20000);
+bool runtime_policy_printer_motor_reverse(void) {
+    return CONFIG_TQ_PRINTER_MOTOR_REVERSE != 0;
 }
 
-bool runtime_policy_direct_printer_motor_reverse(void) {
-    return CONFIG_TQ_DIRECT_PRINTER_MOTOR_REVERSE != 0;
+uint8_t runtime_policy_printer_steps_per_line(void) {
+    return clamp_u8((uint8_t)CONFIG_TQ_PRINTER_STEPS_PER_LINE, 1, 8);
 }
 
-uint8_t runtime_policy_direct_printer_steps_per_line(void) {
-    return clamp_u8((uint8_t)CONFIG_TQ_DIRECT_PRINTER_STEPS_PER_LINE, 1, 8);
+uint16_t runtime_policy_printer_gap_steps(void) {
+    return clamp_u16((uint16_t)CONFIG_TQ_PRINTER_GAP_STEPS, 1, 2000);
 }
 
-uint16_t runtime_policy_direct_printer_gap_steps(void) {
-    return clamp_u16((uint16_t)CONFIG_TQ_DIRECT_PRINTER_GAP_STEPS, 1, 2000);
+float runtime_policy_printer_temp_min_c(void) {
+    return (float)clamp_u32((uint32_t)CONFIG_TQ_PRINTER_TEMP_MIN_C, 0, 120);
 }
 
-float runtime_policy_direct_printer_temp_min_c(void) {
-    return (float)clamp_u32((uint32_t)CONFIG_TQ_DIRECT_PRINTER_TEMP_MIN_C, 0, 120);
+float runtime_policy_printer_temp_max_c(void) {
+    return (float)clamp_u32((uint32_t)CONFIG_TQ_PRINTER_TEMP_MAX_C, 1, 150);
 }
 
-float runtime_policy_direct_printer_temp_max_c(void) {
-    return (float)clamp_u32((uint32_t)CONFIG_TQ_DIRECT_PRINTER_TEMP_MAX_C, 1, 150);
+uint8_t runtime_policy_printer_battery_min_percent(void) {
+    return clamp_u8((uint8_t)CONFIG_TQ_PRINTER_BATTERY_MIN_PERCENT, 0, 100);
 }
 
-uint8_t runtime_policy_direct_printer_battery_min_percent(void) {
-    return clamp_u8((uint8_t)CONFIG_TQ_DIRECT_PRINTER_BATTERY_MIN_PERCENT, 0, 100);
+uint8_t runtime_policy_printer_paper_present_level(void) {
+    return clamp_u8((uint8_t)CONFIG_TQ_PRINTER_PAPER_PRESENT_LEVEL, 0, 1);
 }
 
-uint8_t runtime_policy_direct_printer_paper_present_level(void) {
-    return clamp_u8((uint8_t)CONFIG_TQ_DIRECT_PRINTER_PAPER_PRESENT_LEVEL, 0, 1);
+uint16_t runtime_policy_printer_battery_empty_mv(void) {
+    return clamp_u16((uint16_t)CONFIG_TQ_PRINTER_BATTERY_EMPTY_MV, 2500, 5000);
 }
 
-uint16_t runtime_policy_direct_printer_battery_empty_mv(void) {
-    return clamp_u16((uint16_t)CONFIG_TQ_DIRECT_PRINTER_BATTERY_EMPTY_MV, 2500, 5000);
-}
-
-uint16_t runtime_policy_direct_printer_battery_full_mv(void) {
-    uint16_t empty_mv = runtime_policy_direct_printer_battery_empty_mv();
-    uint16_t full_mv = clamp_u16((uint16_t)CONFIG_TQ_DIRECT_PRINTER_BATTERY_FULL_MV, 2600, 6000);
+uint16_t runtime_policy_printer_battery_full_mv(void) {
+    uint16_t empty_mv = runtime_policy_printer_battery_empty_mv();
+    uint16_t full_mv = clamp_u16((uint16_t)CONFIG_TQ_PRINTER_BATTERY_FULL_MV, 2600, 6000);
     if (full_mv <= empty_mv) {
         full_mv = (uint16_t)(empty_mv + 100);
     }
     return full_mv;
 }
 
-uint16_t runtime_policy_direct_printer_battery_divider_ratio_x1000(void) {
-    return clamp_u16((uint16_t)CONFIG_TQ_DIRECT_PRINTER_BATTERY_DIVIDER_RATIO_X1000, 1000, 10000);
+uint16_t runtime_policy_printer_battery_divider_ratio_x1000(void) {
+    return clamp_u16((uint16_t)CONFIG_TQ_PRINTER_BATTERY_DIVIDER_RATIO_X1000, 1000, 10000);
 }
 
-uint32_t runtime_policy_direct_printer_ntc_pullup_ohms(void) {
-    return clamp_u32(CONFIG_TQ_DIRECT_PRINTER_NTC_PULLUP_OHMS, 1000, 200000);
+uint32_t runtime_policy_printer_ntc_pullup_ohms(void) {
+    return clamp_u32(CONFIG_TQ_PRINTER_NTC_PULLUP_OHMS, 1000, 200000);
 }
 
-uint32_t runtime_policy_direct_printer_ntc_r25_ohms(void) {
-    return clamp_u32(CONFIG_TQ_DIRECT_PRINTER_NTC_R25_OHMS, 1000, 200000);
+uint32_t runtime_policy_printer_ntc_r25_ohms(void) {
+    return clamp_u32(CONFIG_TQ_PRINTER_NTC_R25_OHMS, 1000, 200000);
 }
 
-uint32_t runtime_policy_direct_printer_ntc_beta(void) {
-    return clamp_u32(CONFIG_TQ_DIRECT_PRINTER_NTC_BETA, 1000, 10000);
-}
-
-uint32_t runtime_policy_printer_connect_timeout_ms(void) {
-    return clamp_u32(CONFIG_TQ_PRINTER_CONNECT_TIMEOUT_MS, 1000, 60000);
+uint32_t runtime_policy_printer_ntc_beta(void) {
+    return clamp_u32(CONFIG_TQ_PRINTER_NTC_BETA, 1000, 10000);
 }
 
 uint32_t runtime_policy_image_generation_timeout_default_ms(void) {
diff --git a/components/platform/src/direct_thermal_printer.c b/components/platform/src/thermal_printer.c
similarity index 83%
rename from components/platform/src/direct_thermal_printer.c
rename to components/platform/src/thermal_printer.c
index 86c70bd..daf107a 100644
--- a/components/platform/src/direct_thermal_printer.c
+++ b/components/platform/src/thermal_printer.c
@@ -14,10 +14,6 @@
 #include "freertos/task.h"
 #include "sdkconfig.h"
 
-#ifndef CONFIG_TQ_DIRECT_PRINTER_ENABLE
-#define CONFIG_TQ_DIRECT_PRINTER_ENABLE 1
-#endif
-
 #ifndef CONFIG_TQ_KEY_PRINT_BOOST_ACTIVE_HIGH
 #define CONFIG_TQ_KEY_PRINT_BOOST_ACTIVE_HIGH 1
 #endif
@@ -63,7 +59,6 @@ typedef struct {
 
 typedef struct {
     bool initialized;
-    bool connected;
     uint8_t motor_phase;
     direct_debug_config_t debug;
     SemaphoreHandle_t lock;
@@ -71,9 +66,9 @@ typedef struct {
     adc_oneshot_unit_handle_t adc2_handle;
     adc_pin_t battery_adc;
     adc_pin_t ntc_adc;
-} direct_printer_state_t;
+} printer_state_t;
 
-static direct_printer_state_t s_state;
+static printer_state_t s_state;
 
 static const uint8_t k_motor_step_table[4] = {0x05, 0x09, 0x0A, 0x06};
 
@@ -228,7 +223,7 @@ static void motor_step_once_locked(uint16_t step_delay_us) {
     if (step_delay_us > 0) {
         esp_rom_delay_us(step_delay_us);
     }
-    if (runtime_policy_direct_printer_motor_reverse()) {
+    if (runtime_policy_printer_motor_reverse()) {
         s_state.motor_phase = (uint8_t)((s_state.motor_phase + 3) & 0x03);
     } else {
         s_state.motor_phase = (uint8_t)((s_state.motor_phase + 1) & 0x03);
@@ -362,7 +357,7 @@ static bool read_paper_present_locked(int *out_level) {
     if (out_level != NULL) {
         *out_level = level;
     }
-    return level == (int)runtime_policy_direct_printer_paper_present_level();
+    return level == (int)runtime_policy_printer_paper_present_level();
 }
 
 static uint16_t battery_raw_to_mv(int raw) {
@@ -373,7 +368,7 @@ static uint16_t battery_raw_to_mv(int raw) {
         raw = ADC_RAW_MAX;
     }
     float adc_mv = ((float)raw * 3300.0f) / (float)ADC_RAW_MAX;
-    float ratio = (float)runtime_policy_direct_printer_battery_divider_ratio_x1000() / 1000.0f;
+    float ratio = (float)runtime_policy_printer_battery_divider_ratio_x1000() / 1000.0f;
     float batt_mv = adc_mv * ratio;
     if (batt_mv < 0.0f) {
         batt_mv = 0.0f;
@@ -385,8 +380,8 @@ static uint16_t battery_raw_to_mv(int raw) {
 }
 
 static uint8_t battery_mv_to_percent(uint16_t batt_mv) {
-    uint16_t empty_mv = runtime_policy_direct_printer_battery_empty_mv();
-    uint16_t full_mv = runtime_policy_direct_printer_battery_full_mv();
+    uint16_t empty_mv = runtime_policy_printer_battery_empty_mv();
+    uint16_t full_mv = runtime_policy_printer_battery_full_mv();
     if (full_mv <= empty_mv) {
         return 100;
     }
@@ -404,9 +399,9 @@ static float ntc_raw_to_temp_c(int raw) {
         return 25.0f;
     }
 
-    float pullup = (float)runtime_policy_direct_printer_ntc_pullup_ohms();
-    float r25 = (float)runtime_policy_direct_printer_ntc_r25_ohms();
-    float beta = (float)runtime_policy_direct_printer_ntc_beta();
+    float pullup = (float)runtime_policy_printer_ntc_pullup_ohms();
+    float r25 = (float)runtime_policy_printer_ntc_r25_ohms();
+    float beta = (float)runtime_policy_printer_ntc_beta();
     if (pullup <= 0.0f || r25 <= 0.0f || beta <= 0.0f) {
         return 25.0f;
     }
@@ -433,7 +428,7 @@ static void sample_sensors_locked(platform_printer_sensors_t *out_sensors) {
     int paper_level = -1;
     out_sensors->has_paper = read_paper_present_locked(&paper_level);
     out_sensors->paper_gpio_level = (int8_t)paper_level;
-    out_sensors->paper_present_level = runtime_policy_direct_printer_paper_present_level();
+    out_sensors->paper_present_level = runtime_policy_printer_paper_present_level();
     out_sensors->battery_percent = 100;
     out_sensors->temperature_c = 25.0f;
     out_sensors->updated_ms = esp_timer_get_time() / 1000;
@@ -459,8 +454,8 @@ static esp_err_t precheck_before_print_locked(char *err, size_t err_len) {
         return ESP_ERR_INVALID_STATE;
     }
 
-    float temp_min = runtime_policy_direct_printer_temp_min_c();
-    float temp_max = runtime_policy_direct_printer_temp_max_c();
+    float temp_min = runtime_policy_printer_temp_min_c();
+    float temp_max = runtime_policy_printer_temp_max_c();
     if (temp_max <= temp_min) {
         temp_max = temp_min + 1.0f;
     }
@@ -469,7 +464,7 @@ static esp_err_t precheck_before_print_locked(char *err, size_t err_len) {
         return ESP_ERR_INVALID_STATE;
     }
 
-    uint8_t battery_min = runtime_policy_direct_printer_battery_min_percent();
+    uint8_t battery_min = runtime_policy_printer_battery_min_percent();
     if (sensors.battery_percent < battery_min) {
         write_err(err, err_len, "battery too low");
         return ESP_ERR_INVALID_STATE;
@@ -485,10 +480,7 @@ static bool has_timed_out(int64_t deadline_ms) {
     return (esp_timer_get_time() / 1000) > deadline_ms;
 }
 
-esp_err_t platform_direct_printer_init(void) {
-#if !CONFIG_TQ_DIRECT_PRINTER_ENABLE
-    return ESP_ERR_NOT_SUPPORTED;
-#else
+esp_err_t platform_printer_init(void) {
     if (s_state.initialized) {
         return ESP_OK;
     }
@@ -552,21 +544,21 @@ esp_err_t platform_direct_printer_init(void) {
     init_adc_pin_if_possible(CONFIG_TQ_NTC_ADC_PIN, "ntc_adc", &s_state.ntc_adc);
 
     s_state.motor_phase = 0;
-    s_state.connected = false;
+    set_gpio_level_if_valid(CONFIG_TQ_KEY_PRINT_PIN, boost_on_level_locked());
+    vTaskDelay(pdMS_TO_TICKS(10));
+    safe_drive_off_locked(true);
     s_state.initialized = true;
     ESP_LOGI(TAG, "printer initialized");
     return ESP_OK;
-#endif
 }
 
-void platform_direct_printer_deinit(void) {
+void platform_printer_deinit(void) {
     if (!s_state.initialized) {
         return;
     }
 
     if (s_state.lock != NULL && xSemaphoreTake(s_state.lock, pdMS_TO_TICKS(100)) == pdTRUE) {
         safe_drive_off_locked(false);
-        s_state.connected = false;
         xSemaphoreGive(s_state.lock);
     }
 
@@ -584,67 +576,7 @@ void platform_direct_printer_deinit(void) {
     memset(&s_state, 0, sizeof(s_state));
 }
 
-esp_err_t platform_direct_printer_connect(uint32_t timeout_ms) {
-#if !CONFIG_TQ_DIRECT_PRINTER_ENABLE
-    (void)timeout_ms;
-    return ESP_ERR_NOT_SUPPORTED;
-#else
-    esp_err_t err = platform_direct_printer_init();
-    if (err != ESP_OK) {
-        return err;
-    }
-
-    uint32_t lock_timeout_ms = timeout_ms == 0 ? 500 : timeout_ms;
-    if (lock_timeout_ms > 5000) {
-        lock_timeout_ms = 5000;
-    }
-
-    if (xSemaphoreTake(s_state.lock, pdMS_TO_TICKS(lock_timeout_ms)) != pdTRUE) {
-        return ESP_ERR_TIMEOUT;
-    }
-
-    if (!s_state.connected) {
-        err = ensure_shared_shift_pins_gpio_locked();
-        if (err != ESP_OK) {
-            xSemaphoreGive(s_state.lock);
-            return err;
-        }
-        set_gpio_level_if_valid(CONFIG_TQ_KEY_PRINT_PIN, boost_on_level_locked());
-        vTaskDelay(pdMS_TO_TICKS(10));
-        safe_drive_off_locked(true);
-        s_state.connected = true;
-    }
-
-    xSemaphoreGive(s_state.lock);
-    return ESP_OK;
-#endif
-}
-
-void platform_direct_printer_disconnect(void) {
-    if (!s_state.initialized || s_state.lock == NULL) {
-        return;
-    }
-    if (xSemaphoreTake(s_state.lock, pdMS_TO_TICKS(500)) != pdTRUE) {
-        return;
-    }
-    safe_drive_off_locked(false);
-    s_state.connected = false;
-    xSemaphoreGive(s_state.lock);
-}
-
-bool platform_direct_printer_is_connected(void) {
-    if (!s_state.initialized || s_state.lock == NULL) {
-        return false;
-    }
-    if (xSemaphoreTake(s_state.lock, pdMS_TO_TICKS(100)) != pdTRUE) {
-        return false;
-    }
-    bool connected = s_state.connected;
-    xSemaphoreGive(s_state.lock);
-    return connected;
-}
-
-esp_err_t platform_direct_printer_get_sensors(platform_printer_sensors_t *out_sensors) {
+esp_err_t platform_printer_get_sensors(platform_printer_sensors_t *out_sensors) {
     if (out_sensors == NULL) {
         return ESP_ERR_INVALID_ARG;
     }
@@ -659,7 +591,7 @@ esp_err_t platform_direct_printer_get_sensors(platform_printer_sensors_t *out_se
     return ESP_OK;
 }
 
-esp_err_t platform_direct_printer_get_debug_config(uint16_t *out_shift_clock_high_us,
+esp_err_t platform_printer_get_debug_config(uint16_t *out_shift_clock_high_us,
                                                    uint16_t *out_shift_clock_low_us,
                                                    uint16_t *out_latch_pulse_us,
                                                    bool *out_strobe_active_high,
@@ -668,25 +600,13 @@ esp_err_t platform_direct_printer_get_debug_config(uint16_t *out_shift_clock_hig
                                                    uint16_t *out_override_strobe_interval_us,
                                                    uint16_t *out_override_motor_step_us,
                                                    uint8_t *out_override_steps_per_line) {
-#if !CONFIG_TQ_DIRECT_PRINTER_ENABLE
-    (void)out_shift_clock_high_us;
-    (void)out_shift_clock_low_us;
-    (void)out_latch_pulse_us;
-    (void)out_strobe_active_high;
-    (void)out_boost_active_high;
-    (void)out_override_strobe_on_us;
-    (void)out_override_strobe_interval_us;
-    (void)out_override_motor_step_us;
-    (void)out_override_steps_per_line;
-    return ESP_ERR_NOT_SUPPORTED;
-#else
     if (out_shift_clock_high_us == NULL || out_shift_clock_low_us == NULL || out_latch_pulse_us == NULL ||
         out_strobe_active_high == NULL || out_boost_active_high == NULL || out_override_strobe_on_us == NULL ||
         out_override_strobe_interval_us == NULL || out_override_motor_step_us == NULL ||
         out_override_steps_per_line == NULL) {
         return ESP_ERR_INVALID_ARG;
     }
-    esp_err_t init_rc = platform_direct_printer_init();
+    esp_err_t init_rc = platform_printer_init();
     if (init_rc != ESP_OK) {
         return init_rc;
     }
@@ -704,10 +624,9 @@ esp_err_t platform_direct_printer_get_debug_config(uint16_t *out_shift_clock_hig
     *out_override_steps_per_line = s_state.debug.override_steps_per_line;
     xSemaphoreGive(s_state.lock);
     return ESP_OK;
-#endif
 }
 
-esp_err_t platform_direct_printer_set_debug_config(bool has_config,
+esp_err_t platform_printer_set_debug_config(bool has_config,
                                                    uint16_t shift_clock_high_us,
                                                    uint16_t shift_clock_low_us,
                                                    uint16_t latch_pulse_us,
@@ -720,27 +639,12 @@ esp_err_t platform_direct_printer_set_debug_config(bool has_config,
                                                    bool reset_defaults,
                                                    char *err,
                                                    size_t err_len) {
-#if !CONFIG_TQ_DIRECT_PRINTER_ENABLE
-    (void)has_config;
-    (void)shift_clock_high_us;
-    (void)shift_clock_low_us;
-    (void)latch_pulse_us;
-    (void)strobe_active_high;
-    (void)boost_active_high;
-    (void)override_strobe_on_us;
-    (void)override_strobe_interval_us;
-    (void)override_motor_step_us;
-    (void)override_steps_per_line;
-    (void)reset_defaults;
-    write_err(err, err_len, "printer driver disabled");
-    return ESP_ERR_NOT_SUPPORTED;
-#else
     if (!has_config && !reset_defaults) {
         write_err(err, err_len, "invalid args");
         return ESP_ERR_INVALID_ARG;
     }
 
-    esp_err_t init_rc = platform_direct_printer_init();
+    esp_err_t init_rc = platform_printer_init();
     if (init_rc != ESP_OK) {
         write_err(err, err_len, "printer driver not initialized");
         return init_rc;
@@ -798,19 +702,14 @@ esp_err_t platform_direct_printer_set_debug_config(bool has_config,
         s_state.debug.override_steps_per_line = override_steps_per_line;
     }
 
-    safe_drive_off_locked(s_state.connected);
+    safe_drive_off_locked(true);
     xSemaphoreGive(s_state.lock);
     return ESP_OK;
-#endif
 }
 
-esp_err_t platform_direct_printer_print(const platform_direct_print_request_t *request,
+esp_err_t platform_printer_print(const platform_printer_print_request_t *request,
                                         char *err,
                                         size_t err_len) {
-#if !CONFIG_TQ_DIRECT_PRINTER_ENABLE
-    write_err(err, err_len, "printer driver disabled");
-    return ESP_ERR_NOT_SUPPORTED;
-#else
     if (request == NULL || request->raster == NULL || request->width == 0 || request->height == 0) {
         write_err(err, err_len, "invalid args");
         return ESP_ERR_INVALID_ARG;
@@ -834,7 +733,7 @@ esp_err_t platform_direct_printer_print(const platform_direct_print_request_t *r
 
     uint32_t timeout_ms = request->timeout_ms;
     if (timeout_ms == 0) {
-        timeout_ms = runtime_policy_direct_printer_operation_timeout_ms();
+        timeout_ms = runtime_policy_printer_operation_timeout_ms();
     }
 
     if (xSemaphoreTake(s_state.lock, pdMS_TO_TICKS(1000)) != pdTRUE) {
@@ -842,12 +741,6 @@ esp_err_t platform_direct_printer_print(const platform_direct_print_request_t *r
         return ESP_ERR_TIMEOUT;
     }
 
-    if (!s_state.connected) {
-        xSemaphoreGive(s_state.lock);
-        write_err(err, err_len, "printer not connected");
-        return ESP_ERR_INVALID_STATE;
-    }
-
     esp_err_t rc = ensure_shared_shift_pins_gpio_locked();
     if (rc != ESP_OK) {
         safe_drive_off_locked(true);
@@ -858,16 +751,16 @@ esp_err_t platform_direct_printer_print(const platform_direct_print_request_t *r
 
     uint16_t strobe_on_us = (request->strobe_on_time_us > 0)
                                 ? request->strobe_on_time_us
-                                : runtime_policy_direct_printer_strobe_on_us();
+                                : runtime_policy_printer_strobe_on_us();
     uint16_t strobe_interval_us = (request->strobe_interval_us > 0)
                                       ? request->strobe_interval_us
-                                      : runtime_policy_direct_printer_strobe_interval_us();
+                                      : runtime_policy_printer_strobe_interval_us();
     uint16_t motor_step_us = (request->motor_step_delay_us > 0)
                                  ? request->motor_step_delay_us
-                                 : runtime_policy_direct_printer_motor_step_us();
+                                 : runtime_policy_printer_motor_step_us();
     uint8_t steps_per_line = (request->motor_steps_per_line > 0)
                                  ? request->motor_steps_per_line
-                                 : runtime_policy_direct_printer_steps_per_line();
+                                 : runtime_policy_printer_steps_per_line();
 
     if (s_state.debug.override_strobe_on_us > 0) {
         strobe_on_us = s_state.debug.override_strobe_on_us;
@@ -944,42 +837,31 @@ esp_err_t platform_direct_printer_print(const platform_direct_print_request_t *r
     safe_drive_off_locked(true);
     xSemaphoreGive(s_state.lock);
     return rc;
-#endif
 }
 
-esp_err_t platform_direct_printer_gap_move(uint32_t timeout_ms, char *err, size_t err_len) {
-#if !CONFIG_TQ_DIRECT_PRINTER_ENABLE
-    write_err(err, err_len, "printer driver disabled");
-    return ESP_ERR_NOT_SUPPORTED;
-#else
+esp_err_t platform_printer_gap_move(uint32_t timeout_ms, char *err, size_t err_len) {
     if (!s_state.initialized || s_state.lock == NULL) {
         write_err(err, err_len, "printer driver not initialized");
         return ESP_ERR_INVALID_STATE;
     }
     if (timeout_ms == 0) {
-        timeout_ms = runtime_policy_direct_printer_operation_timeout_ms();
+        timeout_ms = runtime_policy_printer_operation_timeout_ms();
     }
 
     if (xSemaphoreTake(s_state.lock, pdMS_TO_TICKS(1000)) != pdTRUE) {
         write_err(err, err_len, "printer lock timeout");
         return ESP_ERR_TIMEOUT;
     }
-    if (!s_state.connected) {
-        xSemaphoreGive(s_state.lock);
-        write_err(err, err_len, "printer not connected");
-        return ESP_ERR_INVALID_STATE;
-    }
-
     esp_err_t rc = ESP_OK;
-    uint16_t steps = runtime_policy_direct_printer_gap_steps();
-    uint16_t step_delay_us = runtime_policy_direct_printer_motor_step_us();
+    uint16_t steps = runtime_policy_printer_gap_steps();
+    uint16_t step_delay_us = runtime_policy_printer_motor_step_us();
     if (s_state.debug.override_motor_step_us > 0) {
         step_delay_us = s_state.debug.override_motor_step_us;
     }
     platform_printer_sensors_t sensors = {0};
     sample_sensors_locked(&sensors);
 
-    uint8_t battery_min = runtime_policy_direct_printer_battery_min_percent();
+    uint8_t battery_min = runtime_policy_printer_battery_min_percent();
     if (sensors.battery_percent < battery_min) {
         write_err(err, err_len, "battery too low");
         safe_drive_off_locked(true);
@@ -1016,5 +898,4 @@ esp_err_t platform_direct_printer_gap_move(uint32_t timeout_ms, char *err, size_
     safe_drive_off_locked(true);
     xSemaphoreGive(s_state.lock);
     return rc;
-#endif
 }
diff --git a/main/Kconfig.projbuild b/main/Kconfig.projbuild
index 9b6e027..9b750aa 100644
--- a/main/Kconfig.projbuild
+++ b/main/Kconfig.projbuild
@@ -37,11 +37,6 @@ config TQ_LIFECYCLE_RETRY_BACKOFF_MS
     range 100 10000
     default 800
 
-config TQ_PRINTER_CONNECT_TIMEOUT_MS
-    int "Printer connect timeout (ms)"
-    range 1000 60000
-    default 15000
-
 config TQ_PRINTER_CONTROL_LOCK_TIMEOUT_MS
     int "Printer control lane lock timeout (ms)"
     range 100 5000
@@ -67,110 +62,89 @@ config TQ_PRINTER_STOP_TIMEOUT_MS
     range 1000 30000
     default 8000
 
-config TQ_DIRECT_PRINTER_ENABLE
-    bool "Enable thermal printer driver"
-    default y
-
-config TQ_DIRECT_PRINTER_OPERATION_TIMEOUT_MS
+config TQ_PRINTER_OPERATION_TIMEOUT_MS
     int "Printer max operation timeout (ms)"
     range 1000 300000
     default 90000
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_STROBE_ON_US
+config TQ_PRINTER_STROBE_ON_US
     int "Printer strobe on-time (us)"
     range 100 10000
     default 1000
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_STROBE_INTERVAL_US
+config TQ_PRINTER_STROBE_INTERVAL_US
     int "Printer strobe interval (us)"
     range 0 10000
     default 200
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_MOTOR_STEP_US
+config TQ_PRINTER_MOTOR_STEP_US
     int "Printer motor step delay (us)"
     range 100 20000
     default 2000
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_MOTOR_REVERSE
+config TQ_PRINTER_MOTOR_REVERSE
     bool "Printer motor direction reversed"
     default n
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_STEPS_PER_LINE
+config TQ_PRINTER_STEPS_PER_LINE
     int "Printer motor steps per printed line"
     range 1 8
     default 2
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_GAP_STEPS
+config TQ_PRINTER_GAP_STEPS
     int "Printer gap move steps"
     range 1 2000
     default 96
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_TEMP_MIN_C
+config TQ_PRINTER_TEMP_MIN_C
     int "Printer allowed minimum temperature (C)"
     range 0 120
     default 15
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_TEMP_MAX_C
+config TQ_PRINTER_TEMP_MAX_C
     int "Printer allowed maximum temperature (C)"
     range 1 150
     default 55
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_BATTERY_MIN_PERCENT
+config TQ_PRINTER_BATTERY_MIN_PERCENT
     int "Printer minimum battery percent"
     range 0 100
     default 5
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_PAPER_PRESENT_LEVEL
+config TQ_PRINTER_PAPER_PRESENT_LEVEL
     int "Printer paper-present GPIO level (0/1)"
     range 0 1
     default 0
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_BATTERY_EMPTY_MV
+config TQ_PRINTER_BATTERY_EMPTY_MV
     int "Printer battery empty voltage (mV)"
     range 2500 5000
     default 3300
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_BATTERY_FULL_MV
+config TQ_PRINTER_BATTERY_FULL_MV
     int "Printer battery full voltage (mV)"
     range 2600 6000
     default 4200
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_BATTERY_DIVIDER_RATIO_X1000
+config TQ_PRINTER_BATTERY_DIVIDER_RATIO_X1000
     int "Printer battery divider ratio x1000"
     range 1000 10000
     default 2000
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_NTC_PULLUP_OHMS
+config TQ_PRINTER_NTC_PULLUP_OHMS
     int "Printer NTC pull-up resistor (ohms)"
     range 1000 200000
     default 10000
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_NTC_R25_OHMS
+config TQ_PRINTER_NTC_R25_OHMS
     int "Printer NTC R25 resistance (ohms)"
     range 1000 200000
     default 10000
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
-config TQ_DIRECT_PRINTER_NTC_BETA
+config TQ_PRINTER_NTC_BETA
     int "Printer NTC beta constant"
     range 1000 10000
     default 3950
-    depends on TQ_DIRECT_PRINTER_ENABLE
 
 config TQ_Z_IMAGE_API_KEY
     string "Z-Image API Key for DashScope HTTP (optional, fallback to Voice API key)"