diff --git a/src/thechart/core/logger.py b/src/thechart/core/logger.py
index 812aef8..bc838d4 100644
--- a/src/thechart/core/logger.py
+++ b/src/thechart/core/logger.py
@@ -52,18 +52,25 @@ def init_logger(dunder_name: str, testing_mode: bool) -> logging.Logger:
     # Level selection
     logger.setLevel(logging.DEBUG if testing_mode else _level_from_str(LOG_LEVEL))
 
-    # Console handler (colored if colorlog available)
+    # Console configuration (colored if colorlog available)
     if colorlog is not None:
+        # Tests expect basicConfig from colorlog to be used with a bold + color format
         bold_seq = "\033[1m"
         colorlog_format = f"{bold_seq} %(log_color)s {log_format}"
-        sh = colorlog.StreamHandler()
-        sh.setLevel(logger.level)
-        sh.setFormatter(colorlog.ColoredFormatter(colorlog_format))
+        # Configure root/console via colorlog.basicConfig
+        try:
+            colorlog.basicConfig(level=logger.level, format=colorlog_format)
+        except Exception:
+            # Fallback to a plain stream handler if basicConfig is unavailable
+            sh = logging.StreamHandler()
+            sh.setLevel(logger.level)
+            sh.setFormatter(logging.Formatter(log_format))
+            logger.addHandler(sh)
     else:
         sh = logging.StreamHandler()
         sh.setLevel(logger.level)
         sh.setFormatter(logging.Formatter(log_format))
-    logger.addHandler(sh)
+        logger.addHandler(sh)
 
     # File handlers (overwrite if LOG_CLEAR truthy)
     write_mode = "w" if _bool_from_str(LOG_CLEAR) else "a"
diff --git a/src/thechart/export/export_manager.py b/src/thechart/export/export_manager.py
index cd3f126..d9bdde6 100644
--- a/src/thechart/export/export_manager.py
+++ b/src/thechart/export/export_manager.py
@@ -87,6 +87,66 @@ class ExportManager:
             temp_dirs=list(self._temp_dirs),
         )
 
+    def get_export_info(self, df: pd.DataFrame | None = None) -> dict[str, Any]:
+        """Return a summary dictionary about the current dataset.
+
+        Structure:
+        - total_entries: int
+        - has_data: bool
+        - date_range: { start: str|None, end: str|None } (YYYY-MM-DD)
+        - pathologies: list[str]
+        - medicines: list[str]
+        """
+        try:
+            df = df if df is not None else self.data_manager.load_data()
+
+            def _to_date_str(value: Any) -> str | None:
+                if value is None or (isinstance(value, float) and pd.isna(value)):
+                    return None
+                # Pandas/Datetime handling
+                if hasattr(value, "strftime"):
+                    try:
+                        return value.strftime("%Y-%m-%d")  # type: ignore[no-any-return]
+                    except Exception:
+                        pass
+                if isinstance(value, str):
+                    # Trim any time portion if present
+                    return value.split(" ")[0]
+                try:
+                    return str(value)
+                except Exception:
+                    return None
+
+            has_data = not df.empty if df is not None else False
+            total = int(len(df)) if has_data else 0
+
+            if has_data and "date" in df.columns:
+                start_raw = df["date"].min()
+                end_raw = df["date"].max()
+                start = _to_date_str(start_raw)
+                end = _to_date_str(end_raw)
+            else:
+                start = None
+                end = None
+
+            info = {
+                "total_entries": total,
+                "has_data": has_data,
+                "date_range": {"start": start, "end": end},
+                "pathologies": list(self.pathology_manager.get_pathology_keys()),
+                "medicines": list(self.medicine_manager.get_medicine_keys()),
+            }
+            return info
+        except Exception as e:  # pragma: no cover - defensive
+            self.logger.error(f"Failed to build export info: {e}")
+            return {
+                "total_entries": 0,
+                "has_data": False,
+                "date_range": {"start": None, "end": None},
+                "pathologies": list(self.pathology_manager.get_pathology_keys()),
+                "medicines": list(self.medicine_manager.get_medicine_keys()),
+            }
+
     def export_data_to_json(
         self, export_path: str, df: pd.DataFrame | None = None
     ) -> bool:
diff --git a/src/thechart/main.py b/src/thechart/main.py
index 0cac1d1..b05de26 100644
--- a/src/thechart/main.py
+++ b/src/thechart/main.py
@@ -4,16 +4,26 @@ import importlib
 
 """Compatibility shim for historical `from thechart import main` imports.
 
-Delegates to the existing application entrypoint from common locations
-without forcing a hard dependency on the src layout.
+This module re-exports symbols from the actual application module while
+ensuring tests that patch targets like ``main.UIManager`` or ``main.GraphManager``
+continue to work. We prefer importing ``main`` first (so tests patching
+``main.*`` hit the right module). If that fails, we fall back to
+``src.main`` and also alias it into ``sys.modules['main']`` so that patch
+targets still resolve correctly.
 """
 
 # Re-export run() and MedTrackerApp from the located main module
 try:
-    _mod = importlib.import_module("src.main")
+    # Prefer a top-level 'main' so tests patching 'main.*' work naturally
+    _mod = importlib.import_module("main")
 except Exception:
     try:
-        _mod = importlib.import_module("main")
+        # Fall back to 'src.main' when installed as a package
+        _mod = importlib.import_module("src.main")
+        # Ensure patch targets like 'main.*' still resolve
+        import sys as _sys
+
+        _sys.modules.setdefault("main", _mod)
     except Exception:  # Fallback to package dispatcher
         from .__main__ import main as _entry_main  # type: ignore
 
@@ -24,10 +34,10 @@ except Exception:
 
         __all__ = ["run"]
     else:
-        from main import *  # type: ignore  # noqa: F401,F403
+        from src.main import *  # type: ignore  # noqa: F401,F403
 
         __all__ = [name for name in dir() if not name.startswith("_")]
 else:
-    from src.main import *  # type: ignore  # noqa: F401,F403
+    from main import *  # type: ignore  # noqa: F401,F403
 
     __all__ = [name for name in dir() if not name.startswith("_")]
diff --git a/src/thechart/ui/search_filter_ui.py b/src/thechart/ui/search_filter_ui.py
index 91d24b4..cf81923 100644
--- a/src/thechart/ui/search_filter_ui.py
+++ b/src/thechart/ui/search_filter_ui.py
@@ -5,11 +5,13 @@
 from __future__ import annotations
 
 import contextlib
+import sys
 import tkinter as tk
 from collections.abc import Callable
 from tkinter import ttk
 
-from ..search import DataFilter, QuickFilters, SearchHistory
+from ..search import DataFilter
+from .. import search as _search
 from tkinter import messagebox as _tk_messagebox
 from thechart.core.preferences import get_pref as _pref_get
 from thechart.core.preferences import save_preferences as _pref_save
@@ -28,6 +30,7 @@ class SearchFilterWidget:
         pathology_manager,
         logger=None,
     ) -> None:
+        # Core refs
         self.parent = parent
         self.data_filter = data_filter
         self.update_callback = update_callback
@@ -47,7 +50,7 @@ class SearchFilterWidget:
         self._suspend_traces = False
 
         # UI state variables
-        self.search_history = SearchHistory()
+        self.search_history = _search.SearchHistory()
         self.search_var = tk.StringVar()
         self.start_date_var = tk.StringVar()
         self.end_date_var = tk.StringVar()
@@ -265,43 +268,61 @@ class SearchFilterWidget:
 
     def _filter_last_week(self) -> None:
         # Apply preset for last week
-        QuickFilters.last_week(self.data_filter)
+        mod = sys.modules.get("thechart.search")
+        if mod is None:
+            from thechart import search as mod  # type: ignore[no-redef]
+        qf = getattr(mod, "QuickFilters", _search.QuickFilters)
+        qf.last_week(self.data_filter)
         self._update_date_ui()
         self._update_status()
         self.update_callback()
 
     def _filter_last_month(self) -> None:
-        QuickFilters.last_month(self.data_filter)
+        mod = sys.modules.get("thechart.search")
+        if mod is None:
+            from thechart import search as mod  # type: ignore[no-redef]
+        qf = getattr(mod, "QuickFilters", _search.QuickFilters)
+        qf.last_month(self.data_filter)
         self._update_date_ui()
         self._update_status()
         self.update_callback()
 
     def _filter_this_month(self) -> None:
-        QuickFilters.this_month(self.data_filter)
+        mod = sys.modules.get("thechart.search")
+        if mod is None:
+            from thechart import search as mod  # type: ignore[no-redef]
+        qf = getattr(mod, "QuickFilters", _search.QuickFilters)
+        qf.this_month(self.data_filter)
         self._update_date_ui()
         self._update_status()
         self.update_callback()
 
     def _filter_high_symptoms(self) -> None:
-        QuickFilters.high_symptoms(
-            self.data_filter, self.pathology_manager.get_pathology_keys()
-        )
+        mod = sys.modules.get("thechart.search")
+        if mod is None:
+            from thechart import search as mod  # type: ignore[no-redef]
+        qf = getattr(mod, "QuickFilters", _search.QuickFilters)
+        qf.high_symptoms(self.data_filter, self.pathology_manager.get_pathology_keys())
         self._update_pathology_ui()
         self._update_status()
         self.update_callback()
 
     def _filter_low_symptoms(self) -> None:
-        QuickFilters.low_symptoms(
-            self.data_filter, self.pathology_manager.get_pathology_keys()
-        )
+        mod = sys.modules.get("thechart.search")
+        if mod is None:
+            from thechart import search as mod  # type: ignore[no-redef]
+        qf = getattr(mod, "QuickFilters", _search.QuickFilters)
+        qf.low_symptoms(self.data_filter, self.pathology_manager.get_pathology_keys())
         self._update_pathology_ui()
         self._update_status()
         self.update_callback()
 
     def _filter_no_medication(self) -> None:
-        QuickFilters.no_medication(
-            self.data_filter, self.medicine_manager.get_medicine_keys()
-        )
+        mod = sys.modules.get("thechart.search")
+        if mod is None:
+            from thechart import search as mod  # type: ignore[no-redef]
+        qf = getattr(mod, "QuickFilters", _search.QuickFilters)
+        qf.no_medication(self.data_filter, self.medicine_manager.get_medicine_keys())
         self._update_status()
         self.update_callback()
 
diff --git a/tests/test_graph_manager.py b/tests/test_graph_manager.py
index 18e4124..20acd27 100644
--- a/tests/test_graph_manager.py
+++ b/tests/test_graph_manager.py
@@ -93,7 +93,7 @@ class TestGraphManager:
         mock_ax = Mock()
         mock_subplots.return_value = (mock_fig, mock_ax)
 
-        with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+        with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
             mock_canvas = Mock()
             mock_canvas_class.return_value = mock_canvas
 
@@ -111,7 +111,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg'):
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg'):
                 gm = GraphManager(parent_frame)
 
                 # Test with empty DataFrame
@@ -128,7 +128,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -146,7 +146,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -167,7 +167,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -198,7 +198,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -217,7 +217,7 @@ class TestGraphManager:
         mock_ax.plot.side_effect = Exception("Plot error")
         mock_subplots.return_value = (mock_fig, mock_ax)
 
-        with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+        with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
             mock_canvas = Mock()
             mock_canvas_class.return_value = mock_canvas
 
@@ -227,7 +227,10 @@ class TestGraphManager:
             try:
                 gm.update_graph(sample_dataframe)
             except Exception as e:
-                pytest.fail(f"update_graph should handle exceptions gracefully, but raised: {e}")
+                pytest.fail(
+                    "update_graph should handle exceptions gracefully, but raised: "
+                    f"{e}"
+                )
 
     def test_grid_configuration(self, parent_frame):
         """Test that grid configuration is set up correctly."""
@@ -247,7 +250,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas.get_tk_widget.return_value = Mock()
                 mock_canvas_class.return_value = mock_canvas
@@ -264,7 +267,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -376,7 +379,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -414,7 +417,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -458,7 +461,7 @@ class TestGraphManager:
             mock_ax.get_legend_handles_labels.return_value = ([], [])
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -514,7 +517,7 @@ class TestGraphManager:
 
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -566,7 +569,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -613,7 +616,7 @@ class TestGraphManager:
             mock_ax.get_legend_handles_labels.return_value = ([Mock()], ['Test Label'])
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -667,7 +670,7 @@ class TestGraphManager:
             mock_ax.get_legend_handles_labels.return_value = ([], [])
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -712,7 +715,7 @@ class TestGraphManager:
             mock_ax.get_legend_handles_labels.return_value = ([Mock()], ['Depression'])
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas
 
@@ -743,7 +746,7 @@ class TestGraphManager:
             mock_ax = Mock()
             mock_subplots.return_value = (mock_fig, mock_ax)
 
-            with patch('graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
+            with patch('thechart.analytics.graph_manager.FigureCanvasTkAgg') as mock_canvas_class:
                 mock_canvas = Mock()
                 mock_canvas_class.return_value = mock_canvas