feat: Implemented observability layer and benchmarking

tests/services/test_benchmarker.py

@@ -0,0 +1,53 @@
+import pytest
+import asyncio
+from app.core.observability import benchmark, time_it
+
+
+def test_benchmark_context_manager(caplog):
+    import logging
+
+    with caplog.at_level(logging.INFO):
+        with benchmark("Test Task"):
+            # simulate work
+            pass
+
+    assert any(
+        "[BENCHMARK] Test Task completed in" in record.message
+        for record in caplog.records
+    )
+
+
+def test_time_it_decorator_sync(caplog):
+    import logging
+
+    @time_it("Sync Helper")
+    def my_sync_fn(x, y):
+        return x + y
+
+    with caplog.at_level(logging.INFO):
+        res = my_sync_fn(10, 20)
+
+    assert res == 30
+    assert any(
+        "[BENCHMARK] Sync Helper completed in" in record.message
+        for record in caplog.records
+    )
+
+
+@pytest.mark.asyncio
+async def test_time_it_decorator_async(caplog):
+    import logging
+
+    @time_it("Async Helper")
+    async def my_async_fn():
+        await asyncio.sleep(0.01)
+        return "done"
+
+    with caplog.at_level(logging.INFO):
+        res = await my_async_fn()
+
+    assert res == "done"
+    assert any(
+        "[BENCHMARK] Async Helper completed in" in record.message
+        for record in caplog.records
+    )