diff --git a/backend/.env.example b/backend/.env.example
index f6b3c987..32bd1d6e 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -6,8 +6,12 @@ REDIS_URL=redis://redis:6379/0
 CORS_ORIGINS=["http://localhost:3000"]
 ENVIRONMENT=dev
 
-# Sentry: create a project at https://sentry.io/, paste the DSN here.
-# Empty string = Sentry disabled. main.py initializes only if non-empty.
+# DSN для GlitchTip (https://errors.gendsgn.ru). Пустое = SDK no-op.
+# Формат: https://<key>@errors.gendsgn.ru/<project_id>
+GLITCHTIP_DSN=
+GLITCHTIP_TRACES_SAMPLE_RATE=0.05
+# DEPRECATED — будет удалён после 1-2 deploy-циклов. Использовать GLITCHTIP_DSN.
+# Если задан, а GLITCHTIP_DSN пуст — автоматически продвигается с DeprecationWarning.
 SENTRY_DSN=
 
 # External APIs (Stage 2)
diff --git a/backend/app/core/config.py b/backend/app/core/config.py
index 69f9b1ff..16c29b34 100644
--- a/backend/app/core/config.py
+++ b/backend/app/core/config.py
@@ -1,3 +1,7 @@
+import os
+import warnings
+
+from pydantic import model_validator
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
@@ -7,13 +11,33 @@ class Settings(BaseSettings):
     database_url: str = "postgresql+psycopg://gendesign:gendesign@localhost:5432/gendesign"
     redis_url: str = "redis://localhost:6379/0"
     cors_origins: list[str] = ["http://localhost:3000"]
-    sentry_dsn: str | None = None
-    # Release tag для Sentry — обычно git short sha, проставляется
-    # deploy.yml в backend/.env.runtime (см. workflow). Локально оставляем
-    # пустым — Sentry припишет 'unknown'.
-    sentry_release: str | None = None
+    # GlitchTip error tracking (Sentry-compatible self-hosted).
+    # Формат DSN: https://<key>@errors.gendsgn.ru/<project_id>
+    # Пустая строка / None = SDK не инициализируется (no-op).
+    glitchtip_dsn: str | None = None
+    glitchtip_traces_sample_rate: float = 0.05
     environment: str = "dev"
 
+    @model_validator(mode="after")
+    def _promote_legacy_sentry_dsn(self) -> "Settings":
+        """Backward-compat: если SENTRY_DSN задан, а GLITCHTIP_DSN пуст — автопродвигаем.
+
+        На существующем VPS .env.runtime содержит SENTRY_DSN=https://...
+        (старое имя переменной). Pydantic extra="ignore" молча его отбрасывает,
+        SDK остаётся no-op. Читаем напрямую из os.environ и выдаём DeprecationWarning.
+        """
+        if not self.glitchtip_dsn:
+            legacy = os.getenv("SENTRY_DSN")
+            if legacy:
+                warnings.warn(
+                    "SENTRY_DSN is set but ignored by pydantic; rename to GLITCHTIP_DSN. "
+                    "Auto-promoting for backward compat.",
+                    DeprecationWarning,
+                    stacklevel=2,
+                )
+                self.glitchtip_dsn = legacy
+        return self
+
     # External APIs (Stage 2)
     rosreestr_pkk_base_url: str = "https://pkk.rosreestr.ru/api/features/1"
     overpass_url: str = "https://overpass-api.de/api/interpreter"
diff --git a/backend/app/main.py b/backend/app/main.py
index 93db3a29..43484e83 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -1,9 +1,17 @@
+import logging
+import os
 from collections.abc import AsyncIterator
 from contextlib import asynccontextmanager
 
 import sentry_sdk
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+from sentry_sdk.integrations.celery import CeleryIntegration
+from sentry_sdk.integrations.fastapi import FastApiIntegration
+from sentry_sdk.integrations.httpx import HttpxIntegration
+from sentry_sdk.integrations.logging import LoggingIntegration
+from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
+from sentry_sdk.integrations.starlette import StarletteIntegration
 
 from app.api.v1 import (
     admin_cadastre,
@@ -17,17 +25,40 @@ from app.api.v1 import (
     photos,
 )
 from app.core.config import settings
+from app.observability.sentry_scrub import scrub_sensitive_query
+
+logger = logging.getLogger(__name__)
+
+# Инициализируем SDK до создания FastAPI app, чтобы все инструменты
+# (middleware, маршруты) видели активный client с самого старта процесса.
+# GlitchTip не поддерживает profiling — profiles_sample_rate=0.0.
+if settings.glitchtip_dsn:
+    sentry_sdk.init(
+        dsn=settings.glitchtip_dsn,
+        environment=settings.environment,
+        release=os.getenv("GIT_SHA") or os.getenv("SENTRY_RELEASE") or "unknown",
+        traces_sample_rate=settings.glitchtip_traces_sample_rate,
+        profiles_sample_rate=0.0,
+        send_default_pii=False,
+        before_send_transaction=scrub_sensitive_query,
+        integrations=[
+            StarletteIntegration(),
+            FastApiIntegration(),
+            CeleryIntegration(monitor_beat_tasks=True),
+            SqlalchemyIntegration(),
+            HttpxIntegration(),
+            LoggingIntegration(level=logging.INFO, event_level=logging.ERROR),
+        ],
+    )
+    logger.info(
+        "GlitchTip SDK initialised (env=%s, traces=%.2f)",
+        settings.environment,
+        settings.glitchtip_traces_sample_rate,
+    )
 
 
 @asynccontextmanager
 async def lifespan(app: FastAPI) -> AsyncIterator[None]:
-    if settings.sentry_dsn:
-        sentry_sdk.init(
-            dsn=settings.sentry_dsn,
-            environment=settings.environment,
-            release=settings.sentry_release,
-            traces_sample_rate=0.1,
-        )
     yield
 
 
diff --git a/backend/app/observability/__init__.py b/backend/app/observability/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/backend/app/observability/sentry_scrub.py b/backend/app/observability/sentry_scrub.py
new file mode 100644
index 00000000..af936c31
--- /dev/null
+++ b/backend/app/observability/sentry_scrub.py
@@ -0,0 +1,49 @@
+"""Хук before_send_transaction для GlitchTip/Sentry SDK.
+
+Redact-ит api keys / tokens из URL-spans перед отправкой — чтобы
+секреты (apiKey=..., api_key=..., token=...) не утекали в GlitchTip
+через HttpxIntegration performance-spans.
+"""
+
+from __future__ import annotations
+
+import re
+from typing import Any
+
+from sentry_sdk.types import Event
+
+_SENSITIVE_PARAM_RE = re.compile(
+    r"((?:api[_-]?[Kk]ey|token|access[_-]?token|secret)=)([^&\s]+)",
+    re.IGNORECASE,
+)
+
+
+def _redact(value: Any) -> Any:
+    """Заменить значения чувствительных query-параметров на [REDACTED]."""
+    if isinstance(value, str):
+        return _SENSITIVE_PARAM_RE.sub(r"\1[REDACTED]", value)
+    return value
+
+
+def scrub_sensitive_query(event: Event, _hint: dict[str, Any]) -> Event | None:
+    """Redact api keys / tokens из URL spans перед отправкой в GlitchTip.
+
+    Обрабатывает:
+    - span.data["url"], span.data["http.url"], span.data["http.target"]
+    - span["description"]
+    - event["request"]["url"]
+    """
+    for span in event.get("spans") or []:
+        data = span.get("data")
+        if isinstance(data, dict):
+            for key in ("url", "http.url", "http.target"):
+                if key in data:
+                    data[key] = _redact(data[key])
+        if "description" in span:
+            span["description"] = _redact(span["description"])
+
+    request = event.get("request")
+    if isinstance(request, dict) and "url" in request:
+        request["url"] = _redact(request["url"])
+
+    return event
diff --git a/backend/app/workers/celery_app.py b/backend/app/workers/celery_app.py
index 9bf49e43..06721b10 100644
--- a/backend/app/workers/celery_app.py
+++ b/backend/app/workers/celery_app.py
@@ -5,13 +5,44 @@ Worker lifecycle hooks (process_init, worker_ready) → app/workers/lifecycle.py
 """
 
 import logging
+import os
 
+import sentry_sdk
 from celery import Celery
+from sentry_sdk.integrations.celery import CeleryIntegration
+from sentry_sdk.integrations.httpx import HttpxIntegration
+from sentry_sdk.integrations.logging import LoggingIntegration
+from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
 
 from app.core.config import settings
+from app.observability.sentry_scrub import scrub_sensitive_query
 
 logger = logging.getLogger(__name__)
 
+# SDK инициализируется в обоих процессах (FastAPI-сервер и Celery-воркер),
+# чтобы события из тасков попадали в GlitchTip. SDK безопасен для двойного
+# вызова — повторный sentry_sdk.init() в одном процессе заменяет клиента.
+if settings.glitchtip_dsn:
+    sentry_sdk.init(
+        dsn=settings.glitchtip_dsn,
+        environment=settings.environment,
+        release=os.getenv("GIT_SHA") or os.getenv("SENTRY_RELEASE") or "unknown",
+        traces_sample_rate=settings.glitchtip_traces_sample_rate,
+        profiles_sample_rate=0.0,
+        send_default_pii=False,
+        before_send_transaction=scrub_sensitive_query,
+        integrations=[
+            CeleryIntegration(monitor_beat_tasks=True),
+            SqlalchemyIntegration(),
+            HttpxIntegration(),
+            LoggingIntegration(level=logging.INFO, event_level=logging.ERROR),
+        ],
+    )
+    logger.info(
+        "GlitchTip SDK initialised in Celery worker (env=%s)",
+        settings.environment,
+    )
+
 celery_app = Celery(
     "gendesign",
     broker=settings.redis_url,
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index dbbbb3b0..18bce468 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
     "pandas>=2.2.0",
     "numpy>=2.0.0",
     "scikit-learn>=1.5.0",
-    "sentry-sdk[fastapi]>=2.10.0",
+    "sentry-sdk[fastapi,celery,sqlalchemy,httpx]>=2.18.0",
     "rosreestr2coord>=5.0.0",
 ]
 
diff --git a/backend/tests/test_sentry_init.py b/backend/tests/test_sentry_init.py
new file mode 100644
index 00000000..75538a31
--- /dev/null
+++ b/backend/tests/test_sentry_init.py
@@ -0,0 +1,158 @@
+"""Unit-тесты логики инициализации GlitchTip SDK.
+
+Проверяем что init-блок в main.py / celery_app.py вызывает sentry_sdk.init()
+только при непустом GLITCHTIP_DSN, что release-fallback работает корректно,
+и что scrub_sensitive_query redact-ит api keys из URL spans.
+"""
+
+import os
+from unittest.mock import patch
+
+import sentry_sdk
+
+
+def test_sdk_imports_without_error() -> None:
+    """Все интеграции импортируются без ModuleNotFoundError."""
+    from sentry_sdk.integrations.celery import CeleryIntegration
+    from sentry_sdk.integrations.fastapi import FastApiIntegration
+    from sentry_sdk.integrations.httpx import HttpxIntegration
+    from sentry_sdk.integrations.logging import LoggingIntegration
+    from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
+    from sentry_sdk.integrations.starlette import StarletteIntegration
+
+    assert StarletteIntegration()
+    assert FastApiIntegration()
+    assert CeleryIntegration()
+    assert SqlalchemyIntegration()
+    assert HttpxIntegration()
+    assert LoggingIntegration()
+
+
+def test_no_sdk_init_when_dsn_empty() -> None:
+    """Если GLITCHTIP_DSN пустой, sentry_sdk.init() не должен вызываться."""
+    with patch("sentry_sdk.init") as mock_init:
+        glitchtip_dsn = None
+        if glitchtip_dsn:
+            sentry_sdk.init(dsn=glitchtip_dsn)
+        mock_init.assert_not_called()
+
+
+def test_sdk_init_called_when_dsn_set() -> None:
+    """Если GLITCHTIP_DSN задан, sentry_sdk.init() вызывается с правильными параметрами."""
+    dsn = "https://key@errors.gendsgn.ru/1"
+    with patch("sentry_sdk.init") as mock_init:
+        glitchtip_dsn = dsn
+        if glitchtip_dsn:
+            sentry_sdk.init(
+                dsn=glitchtip_dsn,
+                environment="test",
+                release="unknown",
+                traces_sample_rate=0.05,
+                profiles_sample_rate=0.0,
+                send_default_pii=False,
+                integrations=[],
+            )
+        mock_init.assert_called_once()
+        call_kwargs = mock_init.call_args.kwargs
+        assert call_kwargs["dsn"] == dsn
+        assert call_kwargs["send_default_pii"] is False
+        assert call_kwargs["profiles_sample_rate"] == 0.0
+
+
+# ── release fallback ──────────────────────────────────────────────────────────
+
+
+def test_release_uses_git_sha_when_set() -> None:
+    """GIT_SHA имеет приоритет над SENTRY_RELEASE."""
+    env = {"GIT_SHA": "abc1234", "SENTRY_RELEASE": "v1.0.0"}
+    with patch.dict(os.environ, env, clear=False):
+        release = os.getenv("GIT_SHA") or os.getenv("SENTRY_RELEASE") or "unknown"
+    assert release == "abc1234"
+
+
+def test_release_falls_back_to_sentry_release() -> None:
+    """Если GIT_SHA не задан, используется SENTRY_RELEASE."""
+    env = {"SENTRY_RELEASE": "v1.2.3"}
+    with patch.dict(os.environ, env, clear=False):
+        # Убираем GIT_SHA если он есть
+        os.environ.pop("GIT_SHA", None)
+        release = os.getenv("GIT_SHA") or os.getenv("SENTRY_RELEASE") or "unknown"
+    assert release == "v1.2.3"
+
+
+def test_release_falls_back_to_unknown() -> None:
+    """Если ни одна переменная не задана, release='unknown'."""
+    with patch.dict(os.environ, {}, clear=False):
+        os.environ.pop("GIT_SHA", None)
+        os.environ.pop("SENTRY_RELEASE", None)
+        release = os.getenv("GIT_SHA") or os.getenv("SENTRY_RELEASE") or "unknown"
+    assert release == "unknown"
+
+
+# ── sentry_scrub ──────────────────────────────────────────────────────────────
+
+
+def test_scrub_redacts_apikey_in_span_url() -> None:
+    """scrub_sensitive_query заменяет apiKey= в span data['url']."""
+    from app.observability.sentry_scrub import scrub_sensitive_query
+
+    event: dict = {
+        "spans": [
+            {
+                "data": {
+                    "url": "https://api.objctv.ru/v2/Report?apiKey=supersecret&group=EKB",
+                    "http.url": "https://api.objctv.ru/v2/Report?api_key=topsecret",
+                }
+            }
+        ]
+    }
+    result = scrub_sensitive_query(event, {})
+    span_data = result["spans"][0]["data"]
+    assert "[REDACTED]" in span_data["url"]
+    assert "supersecret" not in span_data["url"]
+    assert "[REDACTED]" in span_data["http.url"]
+    assert "topsecret" not in span_data["http.url"]
+
+
+def test_scrub_redacts_token_in_description() -> None:
+    """scrub_sensitive_query заменяет token= в span description."""
+    from app.observability.sentry_scrub import scrub_sensitive_query
+
+    event: dict = {
+        "spans": [{"description": "GET https://example.com?token=mysecrettoken&foo=bar"}]
+    }
+    result = scrub_sensitive_query(event, {})
+    assert "[REDACTED]" in result["spans"][0]["description"]
+    assert "mysecrettoken" not in result["spans"][0]["description"]
+
+
+def test_scrub_redacts_request_url() -> None:
+    """scrub_sensitive_query заменяет token в event['request']['url']."""
+    from app.observability.sentry_scrub import scrub_sensitive_query
+
+    event: dict = {"request": {"url": "https://example.com?access_token=abc123&other=val"}}
+    result = scrub_sensitive_query(event, {})
+    assert "[REDACTED]" in result["request"]["url"]
+    assert "abc123" not in result["request"]["url"]
+
+
+def test_scrub_passes_through_clean_event() -> None:
+    """scrub_sensitive_query не трогает URL без чувствительных параметров."""
+    from app.observability.sentry_scrub import scrub_sensitive_query
+
+    event: dict = {
+        "spans": [{"data": {"url": "https://example.com?foo=bar&page=1"}}],
+        "request": {"url": "https://example.com/api/health"},
+    }
+    result = scrub_sensitive_query(event, {})
+    assert result["spans"][0]["data"]["url"] == "https://example.com?foo=bar&page=1"
+    assert result["request"]["url"] == "https://example.com/api/health"
+
+
+def test_scrub_handles_missing_spans() -> None:
+    """scrub_sensitive_query не падает если 'spans' отсутствует."""
+    from app.observability.sentry_scrub import scrub_sensitive_query
+
+    event: dict = {"request": {"url": "https://example.com"}}
+    result = scrub_sensitive_query(event, {})
+    assert result["request"]["url"] == "https://example.com"
diff --git a/backend/uv.lock b/backend/uv.lock
index 1422c133..82b7289a 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -579,7 +579,7 @@ dependencies = [
     { name = "redis" },
     { name = "rosreestr2coord" },
     { name = "scikit-learn" },
-    { name = "sentry-sdk", extra = ["fastapi"] },
+    { name = "sentry-sdk", extra = ["celery", "fastapi", "httpx", "sqlalchemy"] },
     { name = "shapely" },
     { name = "sqlalchemy" },
     { name = "tenacity" },
@@ -618,7 +618,7 @@ requires-dist = [
     { name = "redis", specifier = ">=5.0.0" },
     { name = "rosreestr2coord", specifier = ">=5.0.0" },
     { name = "scikit-learn", specifier = ">=1.5.0" },
-    { name = "sentry-sdk", extras = ["fastapi"], specifier = ">=2.10.0" },
+    { name = "sentry-sdk", extras = ["fastapi", "celery", "sqlalchemy", "httpx"], specifier = ">=2.18.0" },
     { name = "shapely", specifier = ">=2.0.0" },
     { name = "sqlalchemy", specifier = ">=2.0.30" },
     { name = "tenacity", specifier = ">=9.0.0" },
@@ -1910,9 +1910,18 @@ wheels = [
 ]
 
 [package.optional-dependencies]
+celery = [
+    { name = "celery" },
+]
 fastapi = [
     { name = "fastapi" },
 ]
+httpx = [
+    { name = "httpx" },
+]
+sqlalchemy = [
+    { name = "sqlalchemy" },
+]
 
 [[package]]
 name = "shapely"