brian14708
diff --git a/‎src/duron/tracing/_tracer.py‎
Lines changed: 10 additions & 2 deletions b/‎src/duron/tracing/_tracer.py‎
Lines changed: 10 additions & 2 deletions
diff --git a/‎tools/trace-ui/README.md‎
Lines changed: 0 additions & 75 deletions b/‎tools/trace-ui/README.md‎
Lines changed: 0 additions & 75 deletions
diff --git a/‎tools/trace-ui/index.html‎
Lines changed: 1 addition & 0 deletions b/‎tools/trace-ui/index.html‎
Lines changed: 1 addition & 0 deletions
diff --git a/‎tools/trace-ui/package.json‎
Lines changed: 3 additions & 2 deletions b/‎tools/trace-ui/package.json‎
Lines changed: 3 additions & 2 deletions
@@ -4,7 +4,6 @@
 import os
 import threading
 import time
-import uuid
 from contextvars import ContextVar
 from dataclasses import dataclass
 from hashlib import blake2b
@@ -43,7 +42,7 @@ def __init__(
         instance_id: str | None = None,
     ) -> None:
         self.trace_id: str = trace_id
-        self.instance_id: str = instance_id or uuid.uuid4().hex
+        self.instance_id: str = instance_id or _trace_id()
         self._events: list[TraceEvent] = []
         self._lock = threading.Lock()
 
@@ -249,3 +248,12 @@ def _random_id() -> str:
 
 def _derive_id(base: str) -> str:
     return blake2b(base.encode(), digest_size=8).hexdigest()
+
+
+def _trace_id() -> str:
+    data = bytearray(16)
+    data[:6] = (time.time_ns() // 1_000_000).to_bytes(6, "big")
+    data[6:] = os.urandom(10)
+    data[6] = (data[6] & 0x0F) | 0x70
+    data[8] = (data[8] & 0x3F) | 0x80
+    return data.hex()
@@ -2,6 +2,7 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Duron Trace UI</title>
   </head>
 
@@ -7,6 +7,7 @@
   "scripts": {
     "dev": "vite",
     "build": "tsc -b && vite build",
+    "check": "tsc -b",
     "lint": "prettier --check . && eslint .",
     "format": "prettier --write .",
     "preview": "vite preview"
@@ -27,7 +28,7 @@
     "@trivago/prettier-plugin-sort-imports": "^5.2.2",
     "@types/node": "^24.7.2",
     "@types/react": "^19.2.2",
-    "@types/react-dom": "^19.2.1",
+    "@types/react-dom": "^19.2.2",
     "@vitejs/plugin-react": "^5.0.4",
     "babel-plugin-react-compiler": "19.1.0-rc.3",
     "eslint": "^9.37.0",
@@ -40,7 +41,7 @@
     "tailwindcss": "^4.1.14",
     "tw-animate-css": "^1.4.0",
     "typescript": "~5.9.3",
-    "typescript-eslint": "^8.46.0",
+    "typescript-eslint": "^8.46.1",
     "vite": "^7.1.9"
   }
 }