diff --git a/ml/serving/logging_config.py b/ml/serving/logging_config.py
new file mode 100644
index 0000000..b40ae40
--- /dev/null
+++ b/ml/serving/logging_config.py
@@ -0,0 +1,20 @@
+"""Structlog JSON configuration — import once at process start."""
+import logging
+import structlog
+
+
+def configure() -> None:
+    structlog.configure(
+        processors=[
+            structlog.contextvars.merge_contextvars,
+            structlog.stdlib.add_log_level,
+            structlog.stdlib.add_logger_name,
+            structlog.processors.TimeStamper(fmt="iso"),
+            structlog.processors.StackInfoRenderer(),
+            structlog.processors.JSONRenderer(),
+        ],
+        wrapper_class=structlog.make_filtering_bound_logger(logging.INFO),
+        context_class=dict,
+        logger_factory=structlog.PrintLoggerFactory(),
+    )
+    logging.basicConfig(level=logging.WARNING)
diff --git a/ml/serving/main.py b/ml/serving/main.py
index f03e5fc..111eb2b 100644
--- a/ml/serving/main.py
+++ b/ml/serving/main.py
@@ -34,12 +34,25 @@ from typing import Optional, Deque
 
 import httpx
 import numpy as np
-from fastapi import FastAPI, HTTPException
+import sentry_sdk
+import structlog
+import structlog.contextvars
+from fastapi import FastAPI, HTTPException, Request
 from pydantic import BaseModel
+from starlette.middleware.base import BaseHTTPMiddleware
 
+import logging_config
 import nats_consumer
 from prompts import get_prompt
 
+logging_config.configure()
+
+_SENTRY_DSN = os.getenv("SENTRY_DSN")
+if _SENTRY_DSN:
+    sentry_sdk.init(dsn=_SENTRY_DSN, environment=os.getenv("ENV", "development"))
+
+log = structlog.get_logger()
+
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
@@ -50,6 +63,21 @@ async def lifespan(app: FastAPI):
 
 app = FastAPI(title="oO ML Serving", version="1.0.0", lifespan=lifespan)
 
+
+class _TracingMiddleware(BaseHTTPMiddleware):
+    async def dispatch(self, request: Request, call_next):
+        structlog.contextvars.clear_contextvars()
+        traceparent = request.headers.get("traceparent", "")
+        if traceparent:
+            parts = traceparent.split("-")
+            trace_id = parts[1] if len(parts) == 4 and len(parts[1]) == 32 else None
+            if trace_id:
+                structlog.contextvars.bind_contextvars(trace_id=trace_id)
+        return await call_next(request)
+
+
+app.add_middleware(_TracingMiddleware)
+
 LITELLM_URL = os.getenv("LITELLM_URL", "http://localhost:4000")
 LITELLM_MASTER_KEY = os.getenv("LITELLM_MASTER_KEY", "sk-oo-dev")
 
diff --git a/ml/serving/nats_consumer.py b/ml/serving/nats_consumer.py
index 8aa4d0f..3fb0f03 100644
--- a/ml/serving/nats_consumer.py
+++ b/ml/serving/nats_consumer.py
@@ -17,15 +17,15 @@ Config (env vars):
 from __future__ import annotations
 
 import json
-import logging
 import os
 import time
 from pathlib import Path
 from typing import Optional
 
+import structlog
 from schemas import TaskSyncedPayload, TipFeedbackPayload
 
-logger = logging.getLogger(__name__)
+log = structlog.get_logger(__name__)
 
 NATS_URL = os.getenv("NATS_URL", "")
 NATS_DURABLE_PREFIX = os.getenv("NATS_DURABLE_PREFIX", "feature-pipeline")
@@ -56,15 +56,12 @@ async def _handle(subject: str, payload: dict, state_dir: Path) -> None:
             "last_sync_ts": msg.syncedAt,
             "task_count": msg.count,
         }))
-        logger.info("[nats] task_synced user=%s count=%s", msg.userId, msg.count)
+        log.info("nats: task_synced", user_id=msg.userId, count=msg.count)
     elif subject == "signals.tip.feedback":
         msg = TipFeedbackPayload.model_validate(payload)
-        logger.info(
-            "[nats] tip_feedback user=%s tip=%s action=%s reward=%s",
-            msg.userId, msg.tipId, msg.action, msg.reward,
-        )
+        log.info("nats: tip_feedback", user_id=msg.userId, tip_id=msg.tipId, action=msg.action, reward=msg.reward)
     else:
-        logger.debug("[nats] unhandled subject=%s", subject)
+        log.debug("nats: unhandled subject", subject=subject)
 
 
 # ── Consumer factory ───────────────────────────────────────────────────────
@@ -80,7 +77,7 @@ def _make_handler(key: str, state_dir: Path):
             consumer_health[key]["processed"] += 1
         except Exception as exc:
             consumer_health[key]["errors"] += 1
-            logger.warning("[nats] processing error key=%s subject=%s: %s", key, msg.subject, exc)
+            log.warning("nats: processing error", key=key, subject=msg.subject, exc=str(exc))
             await msg.nak()
     return handler
 
@@ -91,7 +88,7 @@ async def start(state_dir: Path) -> None:
     """Connect to NATS and register durable push consumers. No-op if NATS_URL is unset."""
     global _nc
     if not NATS_URL:
-        logger.info("[nats] NATS_URL unset — JetStream consumers disabled")
+        log.info("nats: NATS_URL unset — JetStream consumers disabled")
         return
 
     try:
@@ -105,9 +102,9 @@ async def start(state_dir: Path) -> None:
             max_reconnect_attempts=-1,
         )
         js = _nc.jetstream()
-        logger.info("[nats] connected to %s", NATS_URL)
+        log.info("nats: connected", url=NATS_URL)
     except Exception as exc:
-        logger.warning("[nats] connection failed: %s — consumers disabled", exc)
+        log.warning("nats: connection failed — consumers disabled", exc=str(exc))
         _nc = None
         return
 
@@ -126,9 +123,9 @@ async def start(state_dir: Path) -> None:
                 config=config,
             )
             _subs.append(sub)
-            logger.info("[nats] subscribed subject=%s durable=%s", subject, durable)
+            log.info("nats: subscribed", subject=subject, durable=durable)
         except Exception as exc:
-            logger.warning("[nats] subscribe failed key=%s: %s", key, exc)
+            log.warning("nats: subscribe failed", key=key, exc=str(exc))
 
 
 async def stop() -> None:
@@ -146,4 +143,4 @@ async def stop() -> None:
         except Exception:
             pass
         _nc = None
-        logger.info("[nats] disconnected")
+        log.info("nats: disconnected")
diff --git a/ml/serving/requirements.txt b/ml/serving/requirements.txt
index af17243..4d142cc 100644
--- a/ml/serving/requirements.txt
+++ b/ml/serving/requirements.txt
@@ -5,3 +5,5 @@ numpy>=1.26.0
 httpx>=0.27.0
 anthropic>=0.40.0
 nats-py>=2.9.0
+structlog>=24.1.0
+sentry-sdk>=2.0.0
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c97b708..a47cb25 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -34,7 +34,7 @@ importers:
         version: 14.1.4
       next:
         specifier: ^15.1.6
-        version: 15.5.15(@playwright/test@1.59.1)(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
+        version: 15.5.15(@opentelemetry/api@1.9.1)(@playwright/test@1.59.1)(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
       react:
         specifier: ^19.0.0
         version: 19.2.5
@@ -74,7 +74,7 @@ importers:
         version: link:../../packages/shared-types
       next:
         specifier: ^15.1.6
-        version: 15.5.15(@playwright/test@1.59.1)(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
+        version: 15.5.15(@opentelemetry/api@1.9.1)(@playwright/test@1.59.1)(react-dom@19.2.5(react@19.2.5))(react@19.2.5)
       react:
         specifier: ^19.0.0
         version: 19.2.5
@@ -117,7 +117,7 @@ importers:
         version: 5.9.3
       vitest:
         specifier: ^4.1.4
-        version: 4.1.4(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.27.7)(jiti@1.21.7)(tsx@4.21.0))
+        version: 4.1.4(@opentelemetry/api@1.9.1)(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.27.7)(jiti@1.21.7)(tsx@4.21.0))
 
   ml/serving: {}
 
@@ -131,13 +131,16 @@ importers:
         version: 5.9.3
       vitest:
         specifier: ^4.1.4
-        version: 4.1.4(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.27.7)(jiti@1.21.7)(tsx@4.21.0))
+        version: 4.1.4(@opentelemetry/api@1.9.1)(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.27.7)(jiti@1.21.7)(tsx@4.21.0))
 
   services/api:
     dependencies:
       '@oo/shared-types':
         specifier: workspace:*
         version: link:../../packages/shared-types
+      '@sentry/node':
+        specifier: ^10.50.0
+        version: 10.50.0
       better-sqlite3:
         specifier: ^11.8.1
         version: 11.10.0
@@ -152,7 +155,7 @@ importers:
         version: 16.6.1
       drizzle-orm:
         specifier: ^0.38.3
-        version: 0.38.4(@types/better-sqlite3@7.6.13)(@types/react@19.2.14)(better-sqlite3@11.10.0)(react@19.2.5)
+        version: 0.38.4(@opentelemetry/api@1.9.1)(@types/better-sqlite3@7.6.13)(@types/pg@8.15.6)(@types/react@19.2.14)(better-sqlite3@11.10.0)(react@19.2.5)
       express:
         specifier: ^4.21.2
         version: 4.22.1
@@ -171,6 +174,12 @@ importers:
       openid-client:
         specifier: ^6.3.4
         version: 6.8.3
+      pino:
+        specifier: ^10.3.1
+        version: 10.3.1
+      pino-http:
+        specifier: ^11.0.0
+        version: 11.0.0
       web-push:
         specifier: ^3.6.7
         version: 3.6.7
@@ -210,7 +219,7 @@ importers:
         version: 5.9.3
       vitest:
         specifier: ^4.1.4
-        version: 4.1.4(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.19.12)(jiti@1.21.7)(tsx@4.21.0))
+        version: 4.1.4(@opentelemetry/api@1.9.1)(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.19.12)(jiti@1.21.7)(tsx@4.21.0))
 
 packages:
 
@@ -756,6 +765,11 @@ packages:
       '@noble/hashes':
         optional: true
 
+  '@fastify/otel@0.18.0':
+    resolution: {integrity: sha512-3TASCATfw+ctICSb4ymrv7iCm0qJ0N9CarB+CZ7zIJ7KqNbwI5JjyDL1/sxoC0ccTO1Zyd1iQ+oqncPg5FJXaA==}
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+
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@@ -1044,17 +1058,217 @@ packages:
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     engines: {node: '>= 8'}
 
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+    engines: {node: '>=14'}
+
+  '@opentelemetry/sql-common@0.41.2':
+    resolution: {integrity: sha512-4mhWm3Z8z+i508zQJ7r6Xi7y4mmoJpdvH0fZPFRkWrdp5fq7hhZ2HhYokEOLkfqSMgPR4Z9EyB3DBkbKGOqZiQ==}
+    engines: {node: ^18.19.0 || >=20.6.0}
+    peerDependencies:
+      '@opentelemetry/api': ^1.1.0
+
   '@oxc-project/types@0.124.0':
     resolution: {integrity: sha512-VBFWMTBvHxS11Z5Lvlr3IWgrwhMTXV+Md+EQF0Xf60+wAdsGFTBx7X7K/hP4pi8N7dcm1RvcHwDxZ16Qx8keUg==}
 
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+  '@pinojs/redact@0.4.0':
+    resolution: {integrity: sha512-k2ENnmBugE/rzQfEcdWHcCY+/FM3VLzH9cYEsbdsoqrvzAKRhUZeRNhAZvB8OitQJ1TBed3yqWtdjzS6wJKBwg==}
+
   '@playwright/test@1.59.1':
     resolution: {integrity: sha512-PG6q63nQg5c9rIi4/Z5lR5IVF7yU5MqmKaPOe0HSc0O2cX1fPi96sUQu5j7eo4gKCkB2AnNGoWt7y4/Xx3Kcqg==}
     engines: {node: '>=18'}
     hasBin: true
 
+  '@prisma/instrumentation@7.6.0':
+    resolution: {integrity: sha512-ZPW2gRiwpPzEfgeZgaekhqXrbW+Y2RJKHVqUmlhZhKzRNCcvR6DykzylDrynpArKKRQtLxoZy36fK7U0p3pdgQ==}
+    peerDependencies:
+      '@opentelemetry/api': ^1.8
+
   '@react-aria/focus@3.22.0':
     resolution: {integrity: sha512-ZfDOVuVhqDsM9mkNji3QUZ/d40JhlVgXrDkrfXylM1035QCrcTHN7m2DpbE95sU2A8EQb4wikvt5jM6K/73BPg==}
     peerDependencies:
@@ -1173,6 +1387,47 @@ packages:
   '@rolldown/pluginutils@1.0.0-rc.7':
     resolution: {integrity: sha512-qujRfC8sFVInYSPPMLQByRh7zhwkGFS4+tyMQ83srV1qrxL4g8E2tyxVVyxd0+8QeBM1mIk9KbWxkegRr76XzA==}
 
+  '@sentry/core@10.50.0':
+    resolution: {integrity: sha512-J4A+vzUO3adl0TkFCjaN1+4miamrjHiEIYuLHiuu1lmAjq5WIVw32ObvAh4yMwNtxyaEMosTrrh5M6f12XSJFg==}
+    engines: {node: '>=18'}
+
+  '@sentry/node-core@10.50.0':
+    resolution: {integrity: sha512-Eb1BYf4Lc7ZYmdX3acKP6SgyGikrBA370gbGHaWI5jRu7G7vig8sIu1ghPmY5AlvqBPOetado7GniXr6fAXbTw==}
+    engines: {node: '>=18'}
+    peerDependencies:
+      '@opentelemetry/api': ^1.9.0
+      '@opentelemetry/core': ^1.30.1 || ^2.1.0
+      '@opentelemetry/exporter-trace-otlp-http': '>=0.57.0 <1'
+      '@opentelemetry/instrumentation': '>=0.57.1 <1'
+      '@opentelemetry/sdk-trace-base': ^1.30.1 || ^2.1.0
+      '@opentelemetry/semantic-conventions': ^1.39.0
+    peerDependenciesMeta:
+      '@opentelemetry/api':
+        optional: true
+      '@opentelemetry/core':
+        optional: true
+      '@opentelemetry/exporter-trace-otlp-http':
+        optional: true
+      '@opentelemetry/instrumentation':
+        optional: true
+      '@opentelemetry/sdk-trace-base':
+        optional: true
+      '@opentelemetry/semantic-conventions':
+        optional: true
+
+  '@sentry/node@10.50.0':
+    resolution: {integrity: sha512-TvwzFQu8MGKzMQ2/tqxcNzFA8UG2kKTB+GDmA4uOzx3+GT849YZRRSJzEXCmYhk1teVd2fbmgqyYY2nyLF5a+Q==}
+    engines: {node: '>=18'}
+
+  '@sentry/opentelemetry@10.50.0':
+    resolution: {integrity: sha512-axn3pgDPveGdaMUC0abMCmFN7ux2pA5ebPufCef4lMIsyg7BBQvaEJ+vE19wjstMaBCAJGsdZlL3eeP2rtgRMw==}
+    engines: {node: '>=18'}
+    peerDependencies:
+      '@opentelemetry/api': ^1.9.0
+      '@opentelemetry/core': ^1.30.1 || ^2.1.0
+      '@opentelemetry/sdk-trace-base': ^1.30.1 || ^2.1.0
+      '@opentelemetry/semantic-conventions': ^1.39.0
+
   '@standard-schema/spec@1.1.0':
     resolution: {integrity: sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==}
 
@@ -1335,9 +1590,18 @@ packages:
   '@types/http-errors@2.0.5':
     resolution: {integrity: sha512-r8Tayk8HJnX0FztbZN7oVqGccWgw98T/0neJphO91KkmOzug1KkofZURD4UaD5uH8AqcFLfdPErnBod0u71/qg==}
 
+  '@types/mysql@2.15.27':
+    resolution: {integrity: sha512-YfWiV16IY0OeBfBCk8+hXKmdTKrKlwKN1MNKAPBu5JYxLwBEZl7QzeEpGnlZb3VMGJrrGmB84gXiH+ofs/TezA==}
+
   '@types/node@22.19.17':
     resolution: {integrity: sha512-wGdMcf+vPYM6jikpS/qhg6WiqSV/OhG+jeeHT/KlVqxYfD40iYJf9/AE1uQxVWFvU7MipKRkRv8NSHiCGgPr8Q==}
 
+  '@types/pg-pool@2.0.7':
+    resolution: {integrity: sha512-U4CwmGVQcbEuqpyju8/ptOKg6gEC+Tqsvj2xS9o1g71bUh8twxnC6ZL5rZKCsGN0iyH0CwgUyc9VR5owNQF9Ng==}
+
+  '@types/pg@8.15.6':
+    resolution: {integrity: sha512-NoaMtzhxOrubeL/7UZuNTrejB4MPAJ0RpxZqXQf2qXuVlTPuG6Y8p4u9dKRaue4yjmC7ZhzVO2/Yyyn25znrPQ==}
+
   '@types/qs@6.15.0':
     resolution: {integrity: sha512-JawvT8iBVWpzTrz3EGw9BTQFg3BQNmwERdKE22vlTxawwtbyUSlMppvZYKLZzB5zgACXdXxbD3m1bXaMqP/9ow==}
 
@@ -1358,6 +1622,9 @@ packages:
   '@types/serve-static@2.2.0':
     resolution: {integrity: sha512-8mam4H1NHLtu7nmtalF7eyBH14QyOASmcxHhSfEoRyr0nP/YdoesEtU+uSRvMe96TW/HPTtkoKqQLl53N7UXMQ==}
 
+  '@types/tedious@4.0.14':
+    resolution: {integrity: sha512-KHPsfX/FoVbUGbyYvk1q9MMQHLPeRZhRJZdO45Q4YjvFkv4hMNghCWTvy7rdKessBsmtz4euWCWAB6/tVpI1Iw==}
+
   '@types/web-push@3.6.4':
     resolution: {integrity: sha512-GnJmSr40H3RAnj0s34FNTcJi1hmWFV5KXugE0mYWnYhgTAHLJ/dJKAwDmvPJYMke0RplY2XE9LnM4hqSqKIjhQ==}
 
@@ -1416,6 +1683,16 @@ packages:
     resolution: {integrity: sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==}
     engines: {node: '>= 0.6'}
 
+  acorn-import-attributes@1.9.5:
+    resolution: {integrity: sha512-n02Vykv5uA3eHGM/Z2dQrcD56kL8TyDb2p1+0P83PClMnC/nc+anbQRhIOWnSq4Ke/KvDPrY3C9hDtC/A3eHnQ==}
+    peerDependencies:
+      acorn: ^8
+
+  acorn@8.16.0:
+    resolution: {integrity: sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==}
+    engines: {node: '>=0.4.0'}
+    hasBin: true
+
   agent-base@7.1.4:
     resolution: {integrity: sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ==}
     engines: {node: '>= 14'}
@@ -1462,6 +1739,10 @@ packages:
   ast-v8-to-istanbul@1.0.0:
     resolution: {integrity: sha512-1fSfIwuDICFA4LKkCzRPO7F0hzFf0B7+Xqrl27ynQaa+Rh0e1Es0v6kWHPott3lU10AyAr7oKHa65OppjLn3Rg==}
 
+  atomic-sleep@1.0.0:
+    resolution: {integrity: sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==}
+    engines: {node: '>=8.0.0'}
+
   autoprefixer@10.5.0:
     resolution: {integrity: sha512-FMhOoZV4+qR6aTUALKX2rEqGG+oyATvwBt9IIzVR5rMa2HRWPkxf+P+PAJLD1I/H5/II+HuZcBJYEFBpq39ong==}
     engines: {node: ^10 || ^12 || >=14}
@@ -1469,6 +1750,10 @@ packages:
     peerDependencies:
       postcss: ^8.1.0
 
+  balanced-match@4.0.4:
+    resolution: {integrity: sha512-BLrgEcRTwX2o6gGxGOCNyMvGSp35YofuYzw9h1IMTRmKqttAZZVU67bdb9Pr2vUHA8+j3i2tJfjO6C6+4myGTA==}
+    engines: {node: 18 || 20 || >=22}
+
   base64-js@1.5.1:
     resolution: {integrity: sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==}
 
@@ -1500,6 +1785,10 @@ packages:
     resolution: {integrity: sha512-ZTgYYLMOXY9qKU/57FAo8F+HA2dGX7bqGc71txDRC1rS4frdFI5R7NhluHxH6M0YItAP0sHB4uqAOcYKxO6uGA==}
     engines: {node: '>= 0.8', npm: 1.2.8000 || >= 1.4.16}
 
+  brace-expansion@5.0.5:
+    resolution: {integrity: sha512-VZznLgtwhn+Mact9tfiwx64fA9erHH/MCXEUfB/0bX/6Fz6ny5EGTXYltMocqg4xFAQZtnO3DHWWXi8RiuN7cQ==}
+    engines: {node: 18 || 20 || >=22}
+
   braces@3.0.3:
     resolution: {integrity: sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==}
     engines: {node: '>=8'}
@@ -1548,6 +1837,9 @@ packages:
   chownr@1.1.4:
     resolution: {integrity: sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==}
 
+  cjs-module-lexer@2.2.0:
+    resolution: {integrity: sha512-4bHTS2YuzUvtoLjdy+98ykbNB5jS0+07EvFNXerqZQJ89F7DI6ET7OQo/HJuW6K0aVsKA9hj9/RVb2kQVOrPDQ==}
+
   client-only@0.0.1:
     resolution: {integrity: sha512-IV3Ou0jSMzZrd3pZ48nLkT9DA7Ag1pnPzaiQhpW7c3RbcqqzvzzVu+L8gfqMp/8IM2MQtSiqaCxrrcfu8I8rMA==}
 
@@ -1955,6 +2247,9 @@ packages:
     resolution: {integrity: sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==}
     engines: {node: '>=12.20.0'}
 
+  forwarded-parse@2.1.2:
+    resolution: {integrity: sha512-alTFZZQDKMporBH77856pXgzhEzaUVmLCDk+egLgIgHst3Tpndzz8MnKe+GzRJRfvVdn69HhpW7cmXzvtLvJAw==}
+
   forwarded@0.2.0:
     resolution: {integrity: sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==}
     engines: {node: '>= 0.6'}
@@ -1987,6 +2282,10 @@ packages:
     engines: {node: '>= 18.0.0'}
     hasBin: true
 
+  get-caller-file@2.0.5:
+    resolution: {integrity: sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==}
+    engines: {node: 6.* || 8.* || >= 10.*}
+
   get-intrinsic@1.3.0:
     resolution: {integrity: sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==}
     engines: {node: '>= 0.4'}
@@ -2051,6 +2350,13 @@ packages:
   ieee754@1.2.1:
     resolution: {integrity: sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==}
 
+  import-in-the-middle@2.0.6:
+    resolution: {integrity: sha512-3vZV3jX0XRFW3EJDTwzWoZa+RH1b8eTTx6YOCjglrLyPuepwoBti1k3L2dKwdCUrnVEfc5CuRuGstaC/uQJJaw==}
+
+  import-in-the-middle@3.0.1:
+    resolution: {integrity: sha512-pYkiyXVL2Mf3pozdlDGV6NAObxQx13Ae8knZk1UJRJ6uRW/ZRmTGHlQYtrsSl7ubuE5F8CD1z+s1n4RHNuTtuA==}
+    engines: {node: '>=18'}
+
   indent-string@4.0.0:
     resolution: {integrity: sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg==}
     engines: {node: '>=8'}
@@ -2297,12 +2603,19 @@ packages:
   minimalistic-assert@1.0.1:
     resolution: {integrity: sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==}
 
+  minimatch@10.2.5:
+    resolution: {integrity: sha512-MULkVLfKGYDFYejP07QOurDLLQpcjk7Fw+7jXS2R2czRQzR56yHRveU5NDJEOviH+hETZKSkIk5c+T23GjFUMg==}
+    engines: {node: 18 || 20 || >=22}
+
   minimist@1.2.8:
     resolution: {integrity: sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==}
 
   mkdirp-classic@0.5.3:
     resolution: {integrity: sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==}
 
+  module-details-from-path@1.0.4:
+    resolution: {integrity: sha512-EGWKgxALGMgzvxYF1UyGTy0HXX/2vHLkw6+NvDKW2jypWbHpjQuj4UMcqQWXHERJhVGKikolT06G3bcKe4fi7w==}
+
   ms@2.0.0:
     resolution: {integrity: sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==}
 
@@ -2396,6 +2709,10 @@ packages:
   obug@2.1.1:
     resolution: {integrity: sha512-uTqF9MuPraAQ+IsnPf366RG4cP9RtUi7MLO1N3KEc+wb0a6yKpeL0lmk2IB1jY5KHPAlTc6T/JRdC/YqxHNwkQ==}
 
+  on-exit-leak-free@2.1.2:
+    resolution: {integrity: sha512-0eJJY6hXLGf1udHwfNftBqH+g73EU4B504nZeKpz1sYRKafAghwxEJunB2O7rDZkL4PGfsMVnTXZ2EjibbqcsA==}
+    engines: {node: '>=14.0.0'}
+
   on-finished@2.4.1:
     resolution: {integrity: sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==}
     engines: {node: '>= 0.8'}
@@ -2426,6 +2743,17 @@ packages:
   pathe@2.0.3:
     resolution: {integrity: sha512-WUjGcAqP1gQacoQe+OBJsFA7Ld4DyXuUIjZ5cc75cLHvJ7dtNsTugphxIADwspS+AraAUePCKrSVtPLFj/F88w==}
 
+  pg-int8@1.0.1:
+    resolution: {integrity: sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==}
+    engines: {node: '>=4.0.0'}
+
+  pg-protocol@1.13.0:
+    resolution: {integrity: sha512-zzdvXfS6v89r6v7OcFCHfHlyG/wvry1ALxZo4LqgUoy7W9xhBDMaqOuMiF3qEV45VqsN6rdlcehHrfDtlCPc8w==}
+
+  pg-types@2.2.0:
+    resolution: {integrity: sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==}
+    engines: {node: '>=4'}
+
   picocolors@1.1.1:
     resolution: {integrity: sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==}
 
@@ -2441,6 +2769,19 @@ packages:
     resolution: {integrity: sha512-udgsAY+fTnvv7kI7aaxbqwWNb0AHiB0qBO89PZKPkoTmGOgdbrHDKD+0B2X4uTfJ/FT1R09r9gTsjUjNJotuog==}
     engines: {node: '>=0.10.0'}
 
+  pino-abstract-transport@3.0.0:
+    resolution: {integrity: sha512-wlfUczU+n7Hy/Ha5j9a/gZNy7We5+cXp8YL+X+PG8S0KXxw7n/JXA3c46Y0zQznIJ83URJiwy7Lh56WLokNuxg==}
+
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+    engines: {node: '>= 12.13.0'}
+
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     engines: {node: '>=0.10.0'}
 
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+    engines: {node: '>=9.3.0 || >=8.10.0 <9.0.0'}
+
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+    engines: {node: '>=10'}
+
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+
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     engines: {node: '>=0.10.0'}
 
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+    engines: {node: '>= 10.x'}
+
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+    engines: {node: '>=20'}
+
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+    engines: {node: '>=0.4'}
+
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@@ -3362,6 +3752,16 @@ snapshots:
 
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@@ -3578,14 +3978,269 @@ snapshots:
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+  '@opentelemetry/semantic-conventions@1.40.0': {}
+
+  '@opentelemetry/sql-common@0.41.2(@opentelemetry/api@1.9.1)':
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+      '@opentelemetry/api': 1.9.1
+      '@opentelemetry/core': 2.7.0(@opentelemetry/api@1.9.1)
+
   '@oxc-project/types@0.124.0': {}
 
   '@petamoriken/float16@3.9.3': {}
 
+  '@pinojs/redact@0.4.0': {}
+
   '@playwright/test@1.59.1':
     dependencies:
       playwright: 1.59.1
 
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+      '@opentelemetry/api': 1.9.1
+      '@opentelemetry/instrumentation': 0.207.0(@opentelemetry/api@1.9.1)
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+
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     dependencies:
       '@swc/helpers': 0.5.15
@@ -3658,6 +4313,65 @@ snapshots:
 
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+      '@sentry/core': 10.50.0
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+      '@opentelemetry/instrumentation-mysql': 0.60.0(@opentelemetry/api@1.9.1)
+      '@opentelemetry/instrumentation-mysql2': 0.60.0(@opentelemetry/api@1.9.1)
+      '@opentelemetry/instrumentation-pg': 0.66.0(@opentelemetry/api@1.9.1)
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+      '@sentry/core': 10.50.0
+      '@sentry/node-core': 10.50.0(@opentelemetry/api@1.9.1)(@opentelemetry/core@2.7.0(@opentelemetry/api@1.9.1))(@opentelemetry/instrumentation@0.214.0(@opentelemetry/api@1.9.1))(@opentelemetry/sdk-trace-base@2.7.0(@opentelemetry/api@1.9.1))(@opentelemetry/semantic-conventions@1.40.0)
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+      import-in-the-middle: 3.0.1
+    transitivePeerDependencies:
+      - '@opentelemetry/exporter-trace-otlp-http'
+      - supports-color
+
+  '@sentry/opentelemetry@10.50.0(@opentelemetry/api@1.9.1)(@opentelemetry/core@2.7.0(@opentelemetry/api@1.9.1))(@opentelemetry/sdk-trace-base@2.7.0(@opentelemetry/api@1.9.1))(@opentelemetry/semantic-conventions@1.40.0)':
+    dependencies:
+      '@opentelemetry/api': 1.9.1
+      '@opentelemetry/core': 2.7.0(@opentelemetry/api@1.9.1)
+      '@opentelemetry/sdk-trace-base': 2.7.0(@opentelemetry/api@1.9.1)
+      '@opentelemetry/semantic-conventions': 1.40.0
+      '@sentry/core': 10.50.0
+
   '@standard-schema/spec@1.1.0': {}
 
   '@swc/helpers@0.5.15':
@@ -3824,10 +4538,24 @@ snapshots:
 
   '@types/http-errors@2.0.5': {}
 
+  '@types/mysql@2.15.27':
+    dependencies:
+      '@types/node': 22.19.17
+
   '@types/node@22.19.17':
     dependencies:
       undici-types: 6.21.0
 
+  '@types/pg-pool@2.0.7':
+    dependencies:
+      '@types/pg': 8.15.6
+
+  '@types/pg@8.15.6':
+    dependencies:
+      '@types/node': 22.19.17
+      pg-protocol: 1.13.0
+      pg-types: 2.2.0
+
   '@types/qs@6.15.0': {}
 
   '@types/range-parser@1.2.7': {}
@@ -3849,6 +4577,10 @@ snapshots:
       '@types/http-errors': 2.0.5
       '@types/node': 22.19.17
 
+  '@types/tedious@4.0.14':
+    dependencies:
+      '@types/node': 22.19.17
+
   '@types/web-push@3.6.4':
     dependencies:
       '@types/node': 22.19.17
@@ -3870,7 +4602,7 @@ snapshots:
       obug: 2.1.1
       std-env: 4.1.0
       tinyrainbow: 3.1.0
-      vitest: 4.1.4(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.19.12)(jiti@1.21.7)(tsx@4.21.0))
+      vitest: 4.1.4(@opentelemetry/api@1.9.1)(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.19.12)(jiti@1.21.7)(tsx@4.21.0))
 
   '@vitest/expect@4.1.4':
     dependencies:
@@ -3926,6 +4658,12 @@ snapshots:
       mime-types: 2.1.35
       negotiator: 0.6.3
 
+  acorn-import-attributes@1.9.5(acorn@8.16.0):
+    dependencies:
+      acorn: 8.16.0
+
+  acorn@8.16.0: {}
+
   agent-base@7.1.4: {}
 
   ansi-regex@5.0.1: {}
@@ -3968,6 +4706,8 @@ snapshots:
       estree-walker: 3.0.3
       js-tokens: 10.0.0
 
+  atomic-sleep@1.0.0: {}
+
   autoprefixer@10.5.0(postcss@8.5.9):
     dependencies:
       browserslist: 4.28.2
@@ -3977,6 +4717,8 @@ snapshots:
       postcss: 8.5.9
       postcss-value-parser: 4.2.0
 
+  balanced-match@4.0.4: {}
+
   base64-js@1.5.1: {}
 
   baseline-browser-mapping@2.10.19: {}
@@ -4021,6 +4763,10 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  brace-expansion@5.0.5:
+    dependencies:
+      balanced-match: 4.0.4
+
   braces@3.0.3:
     dependencies:
       fill-range: 7.1.1
@@ -4074,6 +4820,8 @@ snapshots:
 
   chownr@1.1.4: {}
 
+  cjs-module-lexer@2.2.0: {}
+
   client-only@0.0.1: {}
 
   clsx@2.1.1: {}
@@ -4215,9 +4963,11 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  drizzle-orm@0.38.4(@types/better-sqlite3@7.6.13)(@types/react@19.2.14)(better-sqlite3@11.10.0)(react@19.2.5):
+  drizzle-orm@0.38.4(@opentelemetry/api@1.9.1)(@types/better-sqlite3@7.6.13)(@types/pg@8.15.6)(@types/react@19.2.14)(better-sqlite3@11.10.0)(react@19.2.5):
     optionalDependencies:
+      '@opentelemetry/api': 1.9.1
       '@types/better-sqlite3': 7.6.13
+      '@types/pg': 8.15.6
       '@types/react': 19.2.14
       better-sqlite3: 11.10.0
       react: 19.2.5
@@ -4453,6 +5203,8 @@ snapshots:
     dependencies:
       fetch-blob: 3.2.0
 
+  forwarded-parse@2.1.2: {}
+
   forwarded@0.2.0: {}
 
   fraction.js@5.3.4: {}
@@ -4480,6 +5232,8 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  get-caller-file@2.0.5: {}
+
   get-intrinsic@1.3.0:
     dependencies:
       call-bind-apply-helpers: 1.0.2
@@ -4553,6 +5307,20 @@ snapshots:
 
   ieee754@1.2.1: {}
 
+  import-in-the-middle@2.0.6:
+    dependencies:
+      acorn: 8.16.0
+      acorn-import-attributes: 1.9.5(acorn@8.16.0)
+      cjs-module-lexer: 2.2.0
+      module-details-from-path: 1.0.4
+
+  import-in-the-middle@3.0.1:
+    dependencies:
+      acorn: 8.16.0
+      acorn-import-attributes: 1.9.5(acorn@8.16.0)
+      cjs-module-lexer: 2.2.0
+      module-details-from-path: 1.0.4
+
   indent-string@4.0.0: {}
 
   inherits@2.0.4: {}
@@ -4751,10 +5519,16 @@ snapshots:
 
   minimalistic-assert@1.0.1: {}
 
+  minimatch@10.2.5:
+    dependencies:
+      brace-expansion: 5.0.5
+
   minimist@1.2.8: {}
 
   mkdirp-classic@0.5.3: {}
 
+  module-details-from-path@1.0.4: {}
+
   ms@2.0.0: {}
 
   ms@2.1.3: {}
@@ -4777,7 +5551,7 @@ snapshots:
 
   negotiator@0.6.3: {}
 
-  next@15.5.15(@playwright/test@1.59.1)(react-dom@19.2.5(react@19.2.5))(react@19.2.5):
+  next@15.5.15(@opentelemetry/api@1.9.1)(@playwright/test@1.59.1)(react-dom@19.2.5(react@19.2.5))(react@19.2.5):
     dependencies:
       '@next/env': 15.5.15
       '@swc/helpers': 0.5.15
@@ -4795,6 +5569,7 @@ snapshots:
       '@next/swc-linux-x64-musl': 15.5.15
       '@next/swc-win32-arm64-msvc': 15.5.15
       '@next/swc-win32-x64-msvc': 15.5.15
+      '@opentelemetry/api': 1.9.1
       '@playwright/test': 1.59.1
       sharp: 0.34.5
     transitivePeerDependencies:
@@ -4831,6 +5606,8 @@ snapshots:
 
   obug@2.1.1: {}
 
+  on-exit-leak-free@2.1.2: {}
+
   on-finished@2.4.1:
     dependencies:
       ee-first: 1.1.1
@@ -4858,6 +5635,18 @@ snapshots:
 
   pathe@2.0.3: {}
 
+  pg-int8@1.0.1: {}
+
+  pg-protocol@1.13.0: {}
+
+  pg-types@2.2.0:
+    dependencies:
+      pg-int8: 1.0.1
+      postgres-array: 2.0.0
+      postgres-bytea: 1.0.1
+      postgres-date: 1.0.7
+      postgres-interval: 1.2.0
+
   picocolors@1.1.1: {}
 
   picomatch@2.3.2: {}
@@ -4866,6 +5655,33 @@ snapshots:
 
   pify@2.3.0: {}
 
+  pino-abstract-transport@3.0.0:
+    dependencies:
+      split2: 4.2.0
+
+  pino-http@11.0.0:
+    dependencies:
+      get-caller-file: 2.0.5
+      pino: 10.3.1
+      pino-std-serializers: 7.1.0
+      process-warning: 5.0.0
+
+  pino-std-serializers@7.1.0: {}
+
+  pino@10.3.1:
+    dependencies:
+      '@pinojs/redact': 0.4.0
+      atomic-sleep: 1.0.0
+      on-exit-leak-free: 2.1.2
+      pino-abstract-transport: 3.0.0
+      pino-std-serializers: 7.1.0
+      process-warning: 5.0.0
+      quick-format-unescaped: 4.0.4
+      real-require: 0.2.0
+      safe-stable-stringify: 2.5.0
+      sonic-boom: 4.2.1
+      thread-stream: 4.0.0
+
   pirates@4.0.7: {}
 
   playwright-core@1.59.1: {}
@@ -4920,6 +5736,16 @@ snapshots:
       picocolors: 1.1.1
       source-map-js: 1.2.1
 
+  postgres-array@2.0.0: {}
+
+  postgres-bytea@1.0.1: {}
+
+  postgres-date@1.0.7: {}
+
+  postgres-interval@1.2.0:
+    dependencies:
+      xtend: 4.0.2
+
   prebuild-install@7.1.3:
     dependencies:
       detect-libc: 2.1.2
@@ -4941,6 +5767,8 @@ snapshots:
       ansi-styles: 5.2.0
       react-is: 17.0.2
 
+  process-warning@5.0.0: {}
+
   prop-types@15.8.1:
     dependencies:
       loose-envify: 1.4.0
@@ -4965,6 +5793,8 @@ snapshots:
 
   queue-microtask@1.2.3: {}
 
+  quick-format-unescaped@4.0.4: {}
+
   random-bytes@1.0.0: {}
 
   range-parser@1.2.1: {}
@@ -5061,6 +5891,8 @@ snapshots:
     dependencies:
       picomatch: 2.3.2
 
+  real-require@0.2.0: {}
+
   recharts-scale@0.4.5:
     dependencies:
       decimal.js-light: 2.5.1
@@ -5085,6 +5917,13 @@ snapshots:
 
   require-from-string@2.0.2: {}
 
+  require-in-the-middle@8.0.1:
+    dependencies:
+      debug: 4.4.3
+      module-details-from-path: 1.0.4
+    transitivePeerDependencies:
+      - supports-color
+
   resolve-pkg-maps@1.0.0: {}
 
   resolve@1.22.12:
@@ -5123,6 +5962,8 @@ snapshots:
 
   safe-buffer@5.2.1: {}
 
+  safe-stable-stringify@2.5.0: {}
+
   safer-buffer@2.1.2: {}
 
   saxes@6.0.0:
@@ -5234,6 +6075,10 @@ snapshots:
       once: 1.4.0
       simple-concat: 1.0.1
 
+  sonic-boom@4.2.1:
+    dependencies:
+      atomic-sleep: 1.0.0
+
   source-map-js@1.2.1: {}
 
   source-map-support@0.5.21:
@@ -5243,6 +6088,8 @@ snapshots:
 
   source-map@0.6.1: {}
 
+  split2@4.2.0: {}
+
   stackback@0.0.2: {}
 
   statuses@2.0.2: {}
@@ -5337,6 +6184,10 @@ snapshots:
     dependencies:
       any-promise: 1.3.0
 
+  thread-stream@4.0.0:
+    dependencies:
+      real-require: 0.2.0
+
   tiny-invariant@1.3.3: {}
 
   tinybench@2.9.0: {}
@@ -5474,7 +6325,7 @@ snapshots:
       jiti: 1.21.7
       tsx: 4.21.0
 
-  vitest@4.1.4(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.19.12)(jiti@1.21.7)(tsx@4.21.0)):
+  vitest@4.1.4(@opentelemetry/api@1.9.1)(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.19.12)(jiti@1.21.7)(tsx@4.21.0)):
     dependencies:
       '@vitest/expect': 4.1.4
       '@vitest/mocker': 4.1.4(vite@8.0.8(@types/node@22.19.17)(esbuild@0.19.12)(jiti@1.21.7)(tsx@4.21.0))
@@ -5497,13 +6348,14 @@ snapshots:
       vite: 8.0.8(@types/node@22.19.17)(esbuild@0.19.12)(jiti@1.21.7)(tsx@4.21.0)
       why-is-node-running: 2.3.0
     optionalDependencies:
+      '@opentelemetry/api': 1.9.1
       '@types/node': 22.19.17
       '@vitest/coverage-v8': 4.1.4(vitest@4.1.4)
       jsdom: 29.0.2
     transitivePeerDependencies:
       - msw
 
-  vitest@4.1.4(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.27.7)(jiti@1.21.7)(tsx@4.21.0)):
+  vitest@4.1.4(@opentelemetry/api@1.9.1)(@types/node@22.19.17)(@vitest/coverage-v8@4.1.4)(jsdom@29.0.2)(vite@8.0.8(@types/node@22.19.17)(esbuild@0.27.7)(jiti@1.21.7)(tsx@4.21.0)):
     dependencies:
       '@vitest/expect': 4.1.4
       '@vitest/mocker': 4.1.4(vite@8.0.8(@types/node@22.19.17)(esbuild@0.27.7)(jiti@1.21.7)(tsx@4.21.0))
@@ -5526,6 +6378,7 @@ snapshots:
       vite: 8.0.8(@types/node@22.19.17)(esbuild@0.27.7)(jiti@1.21.7)(tsx@4.21.0)
       why-is-node-running: 2.3.0
     optionalDependencies:
+      '@opentelemetry/api': 1.9.1
       '@types/node': 22.19.17
       '@vitest/coverage-v8': 4.1.4(vitest@4.1.4)
       jsdom: 29.0.2
@@ -5575,4 +6428,6 @@ snapshots:
 
   xmlchars@2.2.0: {}
 
+  xtend@4.0.2: {}
+
   zod@3.25.76: {}
diff --git a/services/api/package.json b/services/api/package.json
index 64f0415..146e9e7 100644
--- a/services/api/package.json
+++ b/services/api/package.json
@@ -16,6 +16,7 @@
   },
   "dependencies": {
     "@oo/shared-types": "workspace:*",
+    "@sentry/node": "^10.50.0",
     "better-sqlite3": "^11.8.1",
     "cookie-parser": "^1.4.7",
     "cors": "^2.8.5",
@@ -27,6 +28,8 @@
     "nats": "^2.29.3",
     "node-fetch": "^3.3.2",
     "openid-client": "^6.3.4",
+    "pino": "^10.3.1",
+    "pino-http": "^11.0.0",
     "web-push": "^3.6.7",
     "zod": "^3.24.1"
   },
diff --git a/services/api/src/events/__tests__/nats.test.ts b/services/api/src/events/__tests__/nats.test.ts
index 0b287b2..ee44204 100644
--- a/services/api/src/events/__tests__/nats.test.ts
+++ b/services/api/src/events/__tests__/nats.test.ts
@@ -121,13 +121,14 @@ describe('connectNats — bridge bus → JetStream', () => {
 
   it('swallows JetStream publish errors so the in-process bus keeps working', async () => {
     const { connectNats } = await import('../nats.js');
+    const { logger } = await import('../../logger.js');
     const { bus } = await import('../bus.js');
 
     await connectNats('nats://test:4222');
 
     // Force the next js.publish to reject.
     lastJsPublish.mockRejectedValueOnce(new Error('jetstream down'));
-    const errSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+    const errSpy = vi.spyOn(logger, 'error');
 
     expect(() =>
       bus.publish('signals.task.synced', { userId: 'u', source: 'todoist', count: 0, syncedAt: '' }),
@@ -142,12 +143,16 @@ describe('connectNats — bridge bus → JetStream', () => {
 describe('connectNats — failure mode', () => {
   it('logs a warning and stays silent when connect rejects', async () => {
     const { connectNats } = await import('../nats.js');
+    const { logger } = await import('../../logger.js');
 
     lastConnect.mockRejectedValueOnce(new Error('ECONNREFUSED'));
-    const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
+    const warnSpy = vi.spyOn(logger, 'warn');
 
     await expect(connectNats('nats://nope:4222')).resolves.toBeUndefined();
-    expect(warnSpy).toHaveBeenCalledWith(expect.stringContaining('connection failed'));
+    expect(warnSpy).toHaveBeenCalledWith(
+      expect.objectContaining({ err: expect.anything() }),
+      expect.stringContaining('connection failed'),
+    );
   });
 });
 
diff --git a/services/api/src/events/nats.ts b/services/api/src/events/nats.ts
index 2d4e61d..87b3a68 100644
--- a/services/api/src/events/nats.ts
+++ b/services/api/src/events/nats.ts
@@ -12,6 +12,7 @@
 
 import type { NatsConnection, JetStreamClient, StreamConfig } from 'nats';
 import { bus } from './bus.js';
+import { logger } from '../logger.js';
 
 let nc: NatsConnection | null = null;
 let js: JetStreamClient | null = null;
@@ -67,13 +68,13 @@ export async function connectNats(natsUrl: string): Promise<void> {
       if (!js) return;
       const data = new TextEncoder().encode(JSON.stringify(payload));
       js.publish(subject, data).catch((err: Error) =>
-        console.error(`[nats] publish failed for ${subject}: ${err.message}`),
+        logger.error({ err, subject }, 'nats publish failed'),
       );
     });
 
-    console.log(`[nats] connected to ${natsUrl}, streams: ${STREAMS.map((s) => s.name).join(', ')}`);
+    logger.info({ url: natsUrl, streams: STREAMS.map((s) => s.name) }, 'nats connected');
   } catch (err: any) {
-    console.warn(`[nats] connection failed — running without JetStream: ${err.message}`);
+    logger.warn({ err }, 'nats connection failed — running without JetStream');
   }
 }
 
diff --git a/services/api/src/index.ts b/services/api/src/index.ts
index f68719c..28f1c92 100644
--- a/services/api/src/index.ts
+++ b/services/api/src/index.ts
@@ -1,7 +1,10 @@
 import 'dotenv/config';
+import { logger } from './logger.js';
 import express from 'express';
+import { pinoHttp } from 'pino-http';
 import cookieParser from 'cookie-parser';
 import cors from 'cors';
+import { tracingMiddleware } from './middleware/tracing.js';
 import { config } from './config.js';
 import { db, runMigrations } from './db/index.js';
 import { tipScores, tipFeedback } from './db/schema.js';
@@ -26,13 +29,11 @@ import { registerProfileSubscriptions } from './profile/subscriber.js';
 await mkdir(dirname(config.DATABASE_PATH), { recursive: true });
 runMigrations();
 
-// Keep the API alive on stray async faults (e.g. a single bad admin route)
-// rather than dropping the whole process.
 process.on('unhandledRejection', (reason) => {
-  console.error('[api] unhandledRejection', reason);
+  logger.error({ err: reason }, 'unhandledRejection');
 });
 process.on('uncaughtException', (err) => {
-  console.error('[api] uncaughtException', err);
+  logger.fatal({ err }, 'uncaughtException');
 });
 
 const app = express();
@@ -43,6 +44,15 @@ app.use(
     credentials: true,
   }),
 );
+app.use(tracingMiddleware);
+app.use(
+  pinoHttp({
+    logger,
+    genReqId: (req) => req.traceId,
+    customProps: (req) => ({ traceId: req.traceId }),
+    autoLogging: { ignore: (req) => req.url === '/health' },
+  }),
+);
 app.use(express.json());
 app.use(cookieParser());
 app.use(sessionMiddleware);
@@ -56,16 +66,13 @@ app.use('/api/user', userRouter);
 app.use('/api/push', pushRouter);
 app.use('/api/admin', adminRouter);
 
-// Proxy ml/serving endpoints through the API (admin-only).
-// Allows admin UI to call /api/ml/stats/:userId, /api/ml/features/:userId
-// without needing direct access to the ml/serving port.
 app.use('/api/ml', requireAuth as any, requireAdmin as any, async (req: Request, res: Response) => {
   const mlUrl = config.ML_SERVING_URL;
   const target = `${mlUrl}${req.path}`;
   try {
     const upstream = await fetch(target, {
       method: req.method,
-      headers: { 'Content-Type': 'application/json' },
+      headers: { 'Content-Type': 'application/json', traceparent: req.traceparent },
       body: req.method !== 'GET' ? JSON.stringify(req.body) : undefined,
       signal: AbortSignal.timeout(5000),
     });
@@ -82,7 +89,7 @@ async function purgeExpiredData() {
     await db.delete(tipScores).where(lt(tipScores.servedAt, cutoff));
     await db.delete(tipFeedback).where(lt(tipFeedback.createdAt, cutoff));
   } catch (err: any) {
-    console.error(`[purge] retention cleanup failed: ${err.message}`);
+    logger.error({ err }, 'retention cleanup failed');
   }
 }
 
@@ -90,7 +97,7 @@ purgeExpiredData();
 setInterval(purgeExpiredData, 24 * 60 * 60 * 1000);
 
 app.listen(config.PORT, () => {
-  console.log(`oO API listening on http://localhost:${config.PORT}`);
+  logger.info({ port: config.PORT }, 'oO API listening');
 });
 
 if (config.NATS_URL) {
diff --git a/services/api/src/logger.ts b/services/api/src/logger.ts
new file mode 100644
index 0000000..72966a4
--- /dev/null
+++ b/services/api/src/logger.ts
@@ -0,0 +1,12 @@
+import pino from 'pino';
+import * as Sentry from '@sentry/node';
+
+if (process.env['SENTRY_DSN']) {
+  Sentry.init({
+    dsn: process.env['SENTRY_DSN'],
+    environment: process.env['NODE_ENV'] ?? 'development',
+  });
+}
+
+export const logger = pino({ level: process.env['LOG_LEVEL'] ?? 'info' });
+export { Sentry };
diff --git a/services/api/src/middleware/tracing.ts b/services/api/src/middleware/tracing.ts
new file mode 100644
index 0000000..e393c80
--- /dev/null
+++ b/services/api/src/middleware/tracing.ts
@@ -0,0 +1,26 @@
+import { randomBytes } from 'crypto';
+import type { Request, Response, NextFunction } from 'express';
+
+declare global {
+  namespace Express {
+    interface Request {
+      traceId: string;
+      traceparent: string;
+    }
+  }
+}
+
+export function tracingMiddleware(req: Request, _res: Response, next: NextFunction): void {
+  const incoming = req.headers['traceparent'] as string | undefined;
+  let traceId: string;
+  if (incoming) {
+    const parts = incoming.split('-');
+    traceId = parts.length === 4 && parts[1]?.length === 32 ? parts[1] : randomBytes(16).toString('hex');
+  } else {
+    traceId = randomBytes(16).toString('hex');
+  }
+  const parentId = randomBytes(8).toString('hex');
+  req.traceId = traceId;
+  req.traceparent = `00-${traceId}-${parentId}-01`;
+  next();
+}
diff --git a/services/api/src/routes/admin.ts b/services/api/src/routes/admin.ts
index 1317e84..db407bf 100644
--- a/services/api/src/routes/admin.ts
+++ b/services/api/src/routes/admin.ts
@@ -1,4 +1,5 @@
 import { type Router as ExpressRouter, Router, Response } from 'express';
+import { logger } from '../logger.js';
 import { db, rawSqlite } from '../db/index.js';
 import {
   users,
@@ -766,7 +767,7 @@ router.post('/simulate/start', async (req: AuthenticatedRequest, res: Response)
   // — e.g. in the alpine api container) would emit an unhandled 'error' event
   // and crash the whole API process.
   child.on('error', async (err) => {
-    console.error('[sim] spawn error', err);
+    logger.error({ err }, 'sim: spawn error');
     _simProcesses.delete(id);
     await db
       .update(simRuns)
diff --git a/services/api/src/routes/auth.ts b/services/api/src/routes/auth.ts
index 79778e9..0f378f6 100644
--- a/services/api/src/routes/auth.ts
+++ b/services/api/src/routes/auth.ts
@@ -5,6 +5,7 @@ import { db } from '../db/index.js';
 import { users, sessions } from '../db/schema.js';
 import { eq } from 'drizzle-orm';
 import { config } from '../config.js';
+import { logger } from '../logger.js';
 
 const router: ExpressRouter = Router();
 
@@ -36,7 +37,7 @@ router.get('/login', async (req: Request, res: Response) => {
   setTimeout(() => pendingStates.delete(state), 10 * 60 * 1000);
 
   const redirectUri = `${config.API_BASE_URL}/api/auth/callback`;
-  console.log('[auth] redirect_uri sent to Google:', redirectUri);
+  logger.info({ redirectUri }, 'auth: redirect_uri');
   const authUrl = client.buildAuthorizationUrl(cfg, {
     redirect_uri: redirectUri,
     scope: 'openid email profile',
@@ -72,7 +73,7 @@ router.get('/callback', async (req: Request, res: Response) => {
       expectedState: state,
     });
   } catch (err) {
-    console.error('OAuth callback error', err);
+    logger.error({ err }, 'auth: OAuth callback error');
     res.status(400).json({ error: 'OAuth error' });
     return;
   }
diff --git a/services/api/src/routes/recommender.ts b/services/api/src/routes/recommender.ts
index 819b97c..a949c57 100644
--- a/services/api/src/routes/recommender.ts
+++ b/services/api/src/routes/recommender.ts
@@ -1,5 +1,6 @@
 import { type Router as ExpressRouter, Router, Response } from 'express';
 import { nanoid } from 'nanoid';
+import { logger } from '../logger.js';
 import { db } from '../db/index.js';
 import { integrationTokens, tipFeedback, tipViews, tipScores } from '../db/schema.js';
 import { eq, and, desc } from 'drizzle-orm';
@@ -85,6 +86,7 @@ async function remotePolicy(
   userId: string,
   tasks: TipCandidate[],
   profile: Profile,
+  traceparent?: string,
 ): Promise<{ tipId: string; score: number; policy: string } | null> {
   const hour = new Date().getHours();
   const dayOfWeek = new Date().getDay();
@@ -102,11 +104,10 @@ async function remotePolicy(
     profile_features: profile,
   };
 
-  // Active policy: egreedy-v2 (promoted from shadow after offline sim — ADR-0012)
   try {
     const res = await fetch(`${config.ML_SERVING_URL}/score/egreedy/v2`, {
       method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
+      headers: { 'Content-Type': 'application/json', ...(traceparent ? { traceparent } : {}) },
       body: JSON.stringify(body),
       signal: AbortSignal.timeout(3000),
     });
@@ -146,6 +147,7 @@ async function fetchLlmCandidates(
   dayOfWeek: number,
   promptVersion: string | null,
   profile: Profile,
+  traceparent?: string,
 ): Promise<LlmGenerateResult> {
   try {
     const tasks = signals.slice(0, 10).map((s) => ({
@@ -156,7 +158,7 @@ async function fetchLlmCandidates(
     }));
     const res = await fetch(`${config.ML_SERVING_URL}/generate`, {
       method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
+      headers: { 'Content-Type': 'application/json', ...(traceparent ? { traceparent } : {}) },
       body: JSON.stringify({
         user_id: userId,
         context: { tasks, hour_of_day: hour, day_of_week: dayOfWeek },
@@ -226,6 +228,7 @@ router.post('/recommend', requireAuth, async (req: AuthenticatedRequest, res: Re
     dayOfWeek,
     requestedPromptVersion,
     profile,
+    req.traceparent,
   );
 
   const allCandidates: TipCandidate[] = [...signalCandidates, ...llmResult.candidates];
@@ -240,7 +243,7 @@ router.post('/recommend', requireAuth, async (req: AuthenticatedRequest, res: Re
   const t0 = Date.now();
 
   // Stage 2: score — egreedy bandit with random fallback
-  const scored = await remotePolicy(req.userId!, allCandidates, profile);
+  const scored = await remotePolicy(req.userId!, allCandidates, profile, req.traceparent);
   const latencyMs = Date.now() - t0;
   const tip = scored
     ? (allCandidates.find((t) => t.id === scored.tipId) ?? randomPolicy(allCandidates))
@@ -373,6 +376,7 @@ async function sendRewardWithRetry(
   reward: number,
   features: TipCandidate['features'],
   profile: Profile,
+  traceparent?: string,
 ): Promise<void> {
   const body = JSON.stringify({
     user_id: userId,
@@ -387,7 +391,7 @@ async function sendRewardWithRetry(
     try {
       const res = await fetch(`${config.ML_SERVING_URL}/reward/egreedy/v2`, {
         method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
+        headers: { 'Content-Type': 'application/json', ...(traceparent ? { traceparent } : {}) },
         body,
         signal: AbortSignal.timeout(3000),
       });
@@ -395,7 +399,7 @@ async function sendRewardWithRetry(
       throw new Error(`HTTP ${res.status}`);
     } catch (err: any) {
       if (attempt === 3) {
-        console.error(`[reward] failed after 3 attempts for tip ${tipId}: ${err.message}`);
+        logger.error({ tipId, err }, 'reward: failed after 3 attempts');
         bus.publish('signals.tip.reward_failed', {
           userId,
           tipId,
@@ -468,7 +472,7 @@ router.post('/tip/:id/feedback', requireAuth, async (req: AuthenticatedRequest,
   if (candidate) {
     // Re-fetch profile for the v2 ridge update; TTL cache makes this near-instant.
     const profile = await getProfile(req.userId!);
-    sendRewardWithRetry(req.userId!, tipId, reward, candidate.features, profile);
+    sendRewardWithRetry(req.userId!, tipId, reward, candidate.features, profile, req.traceparent);
   }
 
   // Delegate action to the owning signal source (e.g. mark done in Todoist)
diff --git a/services/api/src/signals/__tests__/scheduler.test.ts b/services/api/src/signals/__tests__/scheduler.test.ts
index 627a280..3e198bb 100644
--- a/services/api/src/signals/__tests__/scheduler.test.ts
+++ b/services/api/src/signals/__tests__/scheduler.test.ts
@@ -8,6 +8,11 @@
  */
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
 
+vi.mock('../../logger.js', () => ({
+  logger: { info: vi.fn(), warn: vi.fn(), error: vi.fn(), fatal: vi.fn() },
+}));
+import { logger } from '../../logger.js';
+
 // ── mock the drizzle query chain: db.select(...).from(...).where(...) ────────
 let users: { userId: string }[] = [];
 const whereMock = vi.fn(async () => users);
@@ -35,6 +40,7 @@ beforeEach(() => {
   whereMock.mockClear();
   fromMock.mockClear();
   selectMock.mockClear();
+  vi.clearAllMocks();
   vi.useFakeTimers();
 });
 
@@ -102,8 +108,6 @@ describe('startTodoistSyncScheduler', () => {
       if (id === 'bad') throw new Error('todoist 401');
       return [];
     });
-    const errSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
-    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
 
     startTodoistSyncScheduler(60_000);
     await vi.advanceTimersByTimeAsync(10_001);
@@ -112,19 +116,27 @@ describe('startTodoistSyncScheduler', () => {
     await Promise.resolve();
 
     expect(fetchSignalsMock).toHaveBeenCalledTimes(3);
-    expect(errSpy).toHaveBeenCalledWith(expect.stringContaining('sync error'), expect.anything());
-    expect(logSpy).toHaveBeenCalledWith(expect.stringContaining('2 ok, 1 failed'));
+    expect(logger.error).toHaveBeenCalledWith(
+      expect.objectContaining({ err: expect.anything() }),
+      'scheduler: sync error',
+    );
+    expect(logger.info).toHaveBeenCalledWith(
+      expect.objectContaining({ ok: 2, failed: 1 }),
+      'scheduler: todoist sync',
+    );
   });
 
   it('survives a db query failure — logs and skips the tick', async () => {
     const { startTodoistSyncScheduler } = await import('../scheduler.js');
     whereMock.mockRejectedValueOnce(new Error('sqlite locked'));
-    const errSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
 
     startTodoistSyncScheduler(60_000);
     await vi.advanceTimersByTimeAsync(10_001);
 
     expect(fetchSignalsMock).not.toHaveBeenCalled();
-    expect(errSpy).toHaveBeenCalledWith(expect.stringContaining('failed to query users'));
+    expect(logger.error).toHaveBeenCalledWith(
+      expect.objectContaining({ err: expect.anything() }),
+      'scheduler: failed to query users',
+    );
   });
 });
diff --git a/services/api/src/signals/aggregator.ts b/services/api/src/signals/aggregator.ts
index e622d40..e37e0be 100644
--- a/services/api/src/signals/aggregator.ts
+++ b/services/api/src/signals/aggregator.ts
@@ -1,4 +1,5 @@
 import type { Signal, SignalSource } from '@oo/shared-types';
+import { logger } from '../logger.js';
 
 /**
  * Merges signals from all registered sources for a user.
@@ -24,7 +25,7 @@ export class SignalAggregator {
       if (r.status === 'fulfilled') {
         signals.push(...r.value);
       } else {
-        console.error(`[aggregator] source '${this.sources[i].id}' failed:`, r.reason);
+        logger.error({ sourceId: this.sources[i]!.id, err: r.reason }, 'aggregator: source failed');
       }
     }
     return signals;
diff --git a/services/api/src/signals/scheduler.ts b/services/api/src/signals/scheduler.ts
index 950865f..fcdbac1 100644
--- a/services/api/src/signals/scheduler.ts
+++ b/services/api/src/signals/scheduler.ts
@@ -13,6 +13,7 @@ import { db } from '../db/index.js';
 import { integrationTokens } from '../db/schema.js';
 import { eq } from 'drizzle-orm';
 import { todoistSource } from './todoist.js';
+import { logger } from '../logger.js';
 
 const DEFAULT_INTERVAL_MS = 15 * 60 * 1000;
 
@@ -25,7 +26,7 @@ export function startTodoistSyncScheduler(intervalMs = DEFAULT_INTERVAL_MS): Nod
         .from(integrationTokens)
         .where(eq(integrationTokens.tokenStatus, 'active'));
     } catch (err: any) {
-      console.error(`[scheduler] failed to query users: ${err.message}`);
+      logger.error({ err }, 'scheduler: failed to query users');
       return;
     }
 
@@ -39,10 +40,10 @@ export function startTodoistSyncScheduler(intervalMs = DEFAULT_INTERVAL_MS): Nod
     let failed = 0;
     for (const r of results) {
       if (r.status === 'fulfilled') ok++;
-      else { failed++; console.error(`[scheduler] sync error:`, r.reason); }
+      else { failed++; logger.error({ err: r.reason }, 'scheduler: sync error'); }
     }
 
-    console.log(`[scheduler] todoist sync: ${ok} ok, ${failed} failed (${users.length} users)`);
+    logger.info({ ok, failed, total: users.length }, 'scheduler: todoist sync');
   }
 
   // Run once shortly after startup, then on interval
diff --git a/services/api/src/signals/todoist.ts b/services/api/src/signals/todoist.ts
index 1b76437..816e327 100644
--- a/services/api/src/signals/todoist.ts
+++ b/services/api/src/signals/todoist.ts
@@ -3,6 +3,7 @@ import { db } from '../db/index.js';
 import { integrationTokens } from '../db/schema.js';
 import { eq, and } from 'drizzle-orm';
 import { bus } from '../events/bus.js';
+import { logger } from '../logger.js';
 
 const CACHE_TTL_MS = 30_000;
 
@@ -46,7 +47,7 @@ export class TodoistSignalSource implements SignalSource {
 
     if (!res.ok) {
       if (res.status === 401) {
-        console.error(`[todoist] token expired for user ${userId}`);
+        logger.warn({ userId }, 'todoist: token expired');
         bus.publish('signals.integration.token_expired', {
           userId,
           provider: 'todoist',