fix(ui): remove addStretch from auth panel, use compact size policy

Replace layout.addStretch() with QSizePolicy.Maximum so the
Database Auth dock panel only takes the height its content needs,
leaving more vertical space for the Database Activity panel below.

Closes #190

freecad/InitGui.py

@@ -35,18 +35,32 @@ class SiloWorkbench(FreeCADGui.Workbench):
         except Exception as e:
             FreeCAD.Console.PrintWarning(f"Could not register Silo origin: {e}\n")
 
+        # Silo origin toolbar — shown as an overlay on any context when the
+        # active document is Silo-tracked.  Registered as Unavailable so
+        # EditingContextResolver controls visibility via the overlay system.
+        self.silo_toolbar_commands = [
+            "Silo_Commit",
+            "Silo_Pull",
+            "Silo_Push",
+            "Separator",
+            "Silo_Info",
+            "Silo_BOM",
+            "Silo_Jobs",
+        ]
+        self.appendToolbar("Silo Origin", self.silo_toolbar_commands, "Unavailable")
+
         # Silo menu provides admin/management commands.
-        # File operations (New/Open/Save) are handled by the standard File
-        # toolbar via the origin system -- no separate Silo toolbar needed.
         self.menu_commands = [
             "Silo_Info",
             "Silo_BOM",
+            "Silo_Jobs",
             "Silo_TagProjects",
             "Silo_SetStatus",
             "Silo_Rollback",
             "Separator",
             "Silo_Settings",
             "Silo_Auth",
+            "Silo_Runners",
             "Silo_StartPanel",
             "Silo_Diag",
         ]
@@ -67,3 +81,67 @@ class SiloWorkbench(FreeCADGui.Workbench):
 
 FreeCADGui.addWorkbench(SiloWorkbench())
 FreeCAD.Console.PrintMessage("Silo workbench registered\n")
+
+
+# ---------------------------------------------------------------------------
+# Silo overlay context — adds "Silo Origin" toolbar to any active context
+# when the current document is Silo-tracked.
+# ---------------------------------------------------------------------------
+
+
+def _register_silo_overlay():
+    """Register the Silo overlay after the Silo workbench has initialised."""
+
+    def _silo_overlay_match():
+        """Return True if the active document is Silo-tracked."""
+        try:
+            doc = FreeCAD.ActiveDocument
+            if not doc:
+                return False
+            from silo_origin import get_silo_origin
+
+            origin = get_silo_origin()
+            return origin.ownsDocument(doc)
+        except Exception:
+            return False
+
+    try:
+        FreeCADGui.registerEditingOverlay(
+            "silo",  # overlay id
+            ["Silo Origin"],  # toolbar names to append
+            _silo_overlay_match,  # match function
+        )
+    except Exception as e:
+        FreeCAD.Console.PrintWarning(f"Silo overlay registration failed: {e}\n")
+
+
+from PySide import QtCore as _QtCore
+
+_QtCore.QTimer.singleShot(2500, _register_silo_overlay)
+
+
+# Override the Start page with Silo-aware version (must happen before
+# the C++ StartLauncher fires at ~100ms after GUI init)
+try:
+    import silo_start
+
+    silo_start.register()
+except Exception as e:
+    FreeCAD.Console.PrintWarning(f"Silo Start page override failed: {e}\n")
+
+
+# Handle kindred:// URLs passed as command-line arguments on cold start.
+# Delayed to run after the GUI is fully initialised and the Silo addon has
+# loaded its client/sync objects.
+def _handle_startup_urls():
+    """Process any kindred:// URLs passed as command-line arguments."""
+    import sys
+
+    from silo_commands import handle_kindred_url
+
+    for arg in sys.argv[1:]:
+        if arg.startswith("kindred://"):
+            handle_kindred_url(arg)
+
+
+_QtCore.QTimer.singleShot(500, _handle_startup_urls)

freecad/dag.py

@@ -0,0 +1,463 @@
+"""DAG extraction engine for FreeCAD documents.
+
+Extracts the feature tree from a FreeCAD document as nodes and edges
+for syncing to the Silo server.  No GUI dependencies -- usable in both
+desktop and headless (``--console``) mode.
+
+Public API
+----------
+classify_type(type_id)          -> Optional[str]
+compute_properties_hash(obj)    -> str
+extract_dag(doc)                -> (nodes, edges)
+"""
+
+import hashlib
+import json
+import math
+from typing import Any, Dict, List, Optional, Set, Tuple
+
+# ---------------------------------------------------------------------------
+# TypeId -> DAG node type mapping
+# ---------------------------------------------------------------------------
+
+_TYPE_MAP: Dict[str, str] = {
+    # Sketch
+    "Sketcher::SketchObject": "sketch",
+    # Sketch-based additive
+    "PartDesign::Pad": "pad",
+    "PartDesign::Revolution": "pad",
+    "PartDesign::AdditivePipe": "pad",
+    "PartDesign::AdditiveLoft": "pad",
+    "PartDesign::AdditiveHelix": "pad",
+    # Sketch-based subtractive
+    "PartDesign::Pocket": "pocket",
+    "PartDesign::Groove": "pocket",
+    "PartDesign::Hole": "pocket",
+    "PartDesign::SubtractivePipe": "pocket",
+    "PartDesign::SubtractiveLoft": "pocket",
+    "PartDesign::SubtractiveHelix": "pocket",
+    # Dress-up
+    "PartDesign::Fillet": "fillet",
+    "PartDesign::Chamfer": "chamfer",
+    "PartDesign::Draft": "chamfer",
+    "PartDesign::Thickness": "chamfer",
+    # Transformations
+    "PartDesign::Mirrored": "pad",
+    "PartDesign::LinearPattern": "pad",
+    "PartDesign::PolarPattern": "pad",
+    "PartDesign::Scaled": "pad",
+    "PartDesign::MultiTransform": "pad",
+    # Boolean
+    "PartDesign::Boolean": "pad",
+    # Additive primitives
+    "PartDesign::AdditiveBox": "pad",
+    "PartDesign::AdditiveCylinder": "pad",
+    "PartDesign::AdditiveSphere": "pad",
+    "PartDesign::AdditiveCone": "pad",
+    "PartDesign::AdditiveEllipsoid": "pad",
+    "PartDesign::AdditiveTorus": "pad",
+    "PartDesign::AdditivePrism": "pad",
+    "PartDesign::AdditiveWedge": "pad",
+    # Subtractive primitives
+    "PartDesign::SubtractiveBox": "pocket",
+    "PartDesign::SubtractiveCylinder": "pocket",
+    "PartDesign::SubtractiveSphere": "pocket",
+    "PartDesign::SubtractiveCone": "pocket",
+    "PartDesign::SubtractiveEllipsoid": "pocket",
+    "PartDesign::SubtractiveTorus": "pocket",
+    "PartDesign::SubtractivePrism": "pocket",
+    "PartDesign::SubtractiveWedge": "pocket",
+    # Containers
+    "PartDesign::Body": "body",
+    "App::Part": "part",
+    "Part::Feature": "part",
+    # Datum / reference
+    "PartDesign::Point": "datum",
+    "PartDesign::Line": "datum",
+    "PartDesign::Plane": "datum",
+    "PartDesign::CoordinateSystem": "datum",
+    "PartDesign::ShapeBinder": "datum",
+    "PartDesign::SubShapeBinder": "datum",
+}
+
+
+def classify_type(type_id: str) -> Optional[str]:
+    """Map a FreeCAD TypeId string to a DAG node type.
+
+    Returns one of ``sketch``, ``pad``, ``pocket``, ``fillet``,
+    ``chamfer``, ``body``, ``part``, ``datum``, or ``None`` if the
+    TypeId is not a recognized feature.
+    """
+    return _TYPE_MAP.get(type_id)
+
+
+# ---------------------------------------------------------------------------
+# Properties hash
+# ---------------------------------------------------------------------------
+
+
+def _safe_float(val: Any) -> Any:
+    """Convert a float to a JSON-safe value, replacing NaN/Infinity with 0."""
+    if isinstance(val, float) and (math.isnan(val) or math.isinf(val)):
+        return 0.0
+    return val
+
+
+def _prop_value(obj: Any, name: str) -> Any:
+    """Safely read ``obj.<name>.Value``, returning *None* on failure."""
+    try:
+        return _safe_float(getattr(obj, name).Value)
+    except Exception:
+        return None
+
+
+def _prop_raw(obj: Any, name: str) -> Any:
+    """Safely read ``obj.<name>``, returning *None* on failure."""
+    try:
+        return getattr(obj, name)
+    except Exception:
+        return None
+
+
+def _link_name(obj: Any, name: str) -> Optional[str]:
+    """Return the ``.Name`` of a linked object property, or *None*."""
+    try:
+        link = getattr(obj, name)
+        if isinstance(link, (list, tuple)):
+            link = link[0]
+        return link.Name if link is not None else None
+    except Exception:
+        return None
+
+
+def _collect_inputs(obj: Any) -> Dict[str, Any]:
+    """Extract the parametric inputs that affect *obj*'s geometry.
+
+    The returned dict is JSON-serialized and hashed to produce the
+    ``properties_hash`` for the DAG node.
+    """
+    tid = obj.TypeId
+    inputs: Dict[str, Any] = {"_type": tid}
+
+    # --- Sketch ---
+    if tid == "Sketcher::SketchObject":
+        inputs["geometry_count"] = _prop_raw(obj, "GeometryCount")
+        inputs["constraint_count"] = _prop_raw(obj, "ConstraintCount")
+        try:
+            inputs["geometry"] = obj.Shape.exportBrepToString()
+        except Exception:
+            pass
+        return inputs
+
+    # --- Extrude (Pad / Pocket) ---
+    if tid in ("PartDesign::Pad", "PartDesign::Pocket"):
+        inputs["length"] = _prop_value(obj, "Length")
+        inputs["type"] = str(_prop_raw(obj, "Type") or "")
+        inputs["reversed"] = _prop_raw(obj, "Reversed")
+        inputs["sketch"] = _link_name(obj, "Profile")
+        return inputs
+
+    # --- Revolution / Groove ---
+    if tid in ("PartDesign::Revolution", "PartDesign::Groove"):
+        inputs["angle"] = _prop_value(obj, "Angle")
+        inputs["type"] = str(_prop_raw(obj, "Type") or "")
+        inputs["reversed"] = _prop_raw(obj, "Reversed")
+        inputs["sketch"] = _link_name(obj, "Profile")
+        return inputs
+
+    # --- Hole ---
+    if tid == "PartDesign::Hole":
+        inputs["diameter"] = _prop_value(obj, "Diameter")
+        inputs["depth"] = _prop_value(obj, "Depth")
+        inputs["threaded"] = _prop_raw(obj, "Threaded")
+        inputs["thread_type"] = str(_prop_raw(obj, "ThreadType") or "")
+        inputs["depth_type"] = str(_prop_raw(obj, "DepthType") or "")
+        inputs["sketch"] = _link_name(obj, "Profile")
+        return inputs
+
+    # --- Pipe / Loft / Helix (additive + subtractive) ---
+    if tid in (
+        "PartDesign::AdditivePipe",
+        "PartDesign::SubtractivePipe",
+        "PartDesign::AdditiveLoft",
+        "PartDesign::SubtractiveLoft",
+        "PartDesign::AdditiveHelix",
+        "PartDesign::SubtractiveHelix",
+    ):
+        inputs["sketch"] = _link_name(obj, "Profile")
+        inputs["spine"] = _link_name(obj, "Spine")
+        return inputs
+
+    # --- Fillet ---
+    if tid == "PartDesign::Fillet":
+        inputs["radius"] = _prop_value(obj, "Radius")
+        return inputs
+
+    # --- Chamfer ---
+    if tid == "PartDesign::Chamfer":
+        inputs["chamfer_type"] = str(_prop_raw(obj, "ChamferType") or "")
+        inputs["size"] = _prop_value(obj, "Size")
+        inputs["size2"] = _prop_value(obj, "Size2")
+        inputs["angle"] = _prop_value(obj, "Angle")
+        return inputs
+
+    # --- Draft ---
+    if tid == "PartDesign::Draft":
+        inputs["angle"] = _prop_value(obj, "Angle")
+        inputs["reversed"] = _prop_raw(obj, "Reversed")
+        return inputs
+
+    # --- Thickness ---
+    if tid == "PartDesign::Thickness":
+        inputs["value"] = _prop_value(obj, "Value")
+        inputs["reversed"] = _prop_raw(obj, "Reversed")
+        inputs["mode"] = str(_prop_raw(obj, "Mode") or "")
+        inputs["join"] = str(_prop_raw(obj, "Join") or "")
+        return inputs
+
+    # --- Mirrored ---
+    if tid == "PartDesign::Mirrored":
+        inputs["mirror_plane"] = _link_name(obj, "MirrorPlane")
+        return inputs
+
+    # --- LinearPattern ---
+    if tid == "PartDesign::LinearPattern":
+        inputs["direction"] = _link_name(obj, "Direction")
+        inputs["reversed"] = _prop_raw(obj, "Reversed")
+        inputs["length"] = _prop_value(obj, "Length")
+        inputs["occurrences"] = _prop_value(obj, "Occurrences")
+        return inputs
+
+    # --- PolarPattern ---
+    if tid == "PartDesign::PolarPattern":
+        inputs["axis"] = _link_name(obj, "Axis")
+        inputs["reversed"] = _prop_raw(obj, "Reversed")
+        inputs["angle"] = _prop_value(obj, "Angle")
+        inputs["occurrences"] = _prop_value(obj, "Occurrences")
+        return inputs
+
+    # --- Scaled ---
+    if tid == "PartDesign::Scaled":
+        inputs["factor"] = _prop_value(obj, "Factor")
+        inputs["occurrences"] = _prop_value(obj, "Occurrences")
+        return inputs
+
+    # --- MultiTransform ---
+    if tid == "PartDesign::MultiTransform":
+        try:
+            inputs["transform_count"] = len(obj.Transformations)
+        except Exception:
+            pass
+        return inputs
+
+    # --- Boolean ---
+    if tid == "PartDesign::Boolean":
+        inputs["type"] = str(_prop_raw(obj, "Type") or "")
+        return inputs
+
+    # --- Primitives (additive) ---
+    if tid in (
+        "PartDesign::AdditiveBox",
+        "PartDesign::SubtractiveBox",
+    ):
+        inputs["length"] = _prop_value(obj, "Length")
+        inputs["width"] = _prop_value(obj, "Width")
+        inputs["height"] = _prop_value(obj, "Height")
+        return inputs
+
+    if tid in (
+        "PartDesign::AdditiveCylinder",
+        "PartDesign::SubtractiveCylinder",
+    ):
+        inputs["radius"] = _prop_value(obj, "Radius")
+        inputs["height"] = _prop_value(obj, "Height")
+        inputs["angle"] = _prop_value(obj, "Angle")
+        return inputs
+
+    if tid in (
+        "PartDesign::AdditiveSphere",
+        "PartDesign::SubtractiveSphere",
+    ):
+        inputs["radius"] = _prop_value(obj, "Radius")
+        return inputs
+
+    if tid in (
+        "PartDesign::AdditiveCone",
+        "PartDesign::SubtractiveCone",
+    ):
+        inputs["radius1"] = _prop_value(obj, "Radius1")
+        inputs["radius2"] = _prop_value(obj, "Radius2")
+        inputs["height"] = _prop_value(obj, "Height")
+        return inputs
+
+    if tid in (
+        "PartDesign::AdditiveEllipsoid",
+        "PartDesign::SubtractiveEllipsoid",
+    ):
+        inputs["radius1"] = _prop_value(obj, "Radius1")
+        inputs["radius2"] = _prop_value(obj, "Radius2")
+        inputs["radius3"] = _prop_value(obj, "Radius3")
+        return inputs
+
+    if tid in (
+        "PartDesign::AdditiveTorus",
+        "PartDesign::SubtractiveTorus",
+    ):
+        inputs["radius1"] = _prop_value(obj, "Radius1")
+        inputs["radius2"] = _prop_value(obj, "Radius2")
+        return inputs
+
+    if tid in (
+        "PartDesign::AdditivePrism",
+        "PartDesign::SubtractivePrism",
+    ):
+        inputs["polygon"] = _prop_raw(obj, "Polygon")
+        inputs["circumradius"] = _prop_value(obj, "Circumradius")
+        inputs["height"] = _prop_value(obj, "Height")
+        return inputs
+
+    if tid in (
+        "PartDesign::AdditiveWedge",
+        "PartDesign::SubtractiveWedge",
+    ):
+        for dim in (
+            "Xmin",
+            "Ymin",
+            "Zmin",
+            "X2min",
+            "Z2min",
+            "Xmax",
+            "Ymax",
+            "Zmax",
+            "X2max",
+            "Z2max",
+        ):
+            inputs[dim.lower()] = _prop_value(obj, dim)
+        return inputs
+
+    # --- Datum / ShapeBinder ---
+    if tid in (
+        "PartDesign::Point",
+        "PartDesign::Line",
+        "PartDesign::Plane",
+        "PartDesign::CoordinateSystem",
+        "PartDesign::ShapeBinder",
+        "PartDesign::SubShapeBinder",
+    ):
+        try:
+            p = obj.Placement
+            inputs["position"] = {
+                "x": _safe_float(p.Base.x),
+                "y": _safe_float(p.Base.y),
+                "z": _safe_float(p.Base.z),
+            }
+            inputs["rotation"] = {
+                "axis_x": _safe_float(p.Rotation.Axis.x),
+                "axis_y": _safe_float(p.Rotation.Axis.y),
+                "axis_z": _safe_float(p.Rotation.Axis.z),
+                "angle": _safe_float(p.Rotation.Angle),
+            }
+        except Exception:
+            pass
+        return inputs
+
+    # --- Body / Part (containers) ---
+    if tid in ("PartDesign::Body", "App::Part", "Part::Feature"):
+        try:
+            inputs["child_count"] = len(obj.Group)
+        except Exception:
+            inputs["child_count"] = 0
+        return inputs
+
+    # --- Fallback ---
+    inputs["label"] = obj.Label
+    return inputs
+
+
+def compute_properties_hash(obj: Any) -> str:
+    """Return a SHA-256 hex digest of *obj*'s parametric inputs.
+
+    The hash is used for memoization -- if a node's inputs haven't
+    changed since the last validation run, re-validation can be skipped.
+    """
+    inputs = _collect_inputs(obj)
+    canonical = json.dumps(inputs, sort_keys=True, default=str)
+    return hashlib.sha256(canonical.encode()).hexdigest()
+
+
+# ---------------------------------------------------------------------------
+# DAG extraction
+# ---------------------------------------------------------------------------
+
+
+def extract_dag(
+    doc: Any,
+) -> Tuple[List[Dict[str, Any]], List[Dict[str, Any]]]:
+    """Walk a FreeCAD document and return ``(nodes, edges)``.
+
+    *nodes* is a list of dicts matching the Silo ``PUT /dag`` payload
+    schema.  *edges* connects dependencies (source) to dependents
+    (target).
+
+    Only objects whose TypeId is recognized by :func:`classify_type`
+    are included.  Edges are limited to pairs where **both** endpoints
+    are included, preventing dangling references to internal objects
+    such as ``App::Origin``.
+    """
+    # Pass 1 -- identify included objects
+    included: Set[str] = set()
+    classified: Dict[str, str] = {}  # obj.Name -> node_type
+
+    for obj in doc.Objects:
+        if not hasattr(obj, "TypeId"):
+            continue
+        node_type = classify_type(obj.TypeId)
+        if node_type is not None:
+            included.add(obj.Name)
+            classified[obj.Name] = node_type
+
+    # Pass 2 -- build nodes and edges
+    nodes: List[Dict[str, Any]] = []
+    edges: List[Dict[str, Any]] = []
+    seen_edges: Set[Tuple[str, str]] = set()
+
+    for obj in doc.Objects:
+        if obj.Name not in included:
+            continue
+
+        nodes.append(
+            {
+                "node_key": obj.Name,
+                "node_type": classified[obj.Name],
+                "properties_hash": compute_properties_hash(obj),
+                "metadata": {
+                    "label": obj.Label,
+                    "type_id": obj.TypeId,
+                },
+            }
+        )
+
+        # Walk dependencies: OutList contains objects this one depends on
+        try:
+            out_list = obj.OutList
+        except Exception:
+            continue
+
+        for dep in out_list:
+            if not hasattr(dep, "Name"):
+                continue
+            if dep.Name not in included:
+                continue
+            edge_key = (dep.Name, obj.Name)
+            if edge_key in seen_edges:
+                continue
+            seen_edges.add(edge_key)
+            edges.append(
+                {
+                    "source_key": dep.Name,
+                    "target_key": obj.Name,
+                    "edge_type": "depends_on",
+                }
+            )
+
+    return nodes, edges

freecad/open_search.py

@@ -0,0 +1,191 @@
+"""Search-and-open widget for Kindred Create.
+
+Provides :class:`OpenItemWidget`, a plain ``QWidget`` that can be
+embedded in an MDI sub-window.  Searches both the Silo database and
+local CAD files, presenting results in a unified table.  Emits
+``item_selected`` when the user picks an item and ``cancelled`` when
+the user clicks Cancel.
+"""
+
+import FreeCAD
+from PySide import QtCore, QtWidgets
+
+
+class OpenItemWidget(QtWidgets.QWidget):
+    """Search-and-open widget for embedding in an MDI subwindow.
+
+    Parameters
+    ----------
+    client : SiloClient
+        Authenticated Silo API client instance.
+    search_local_fn : callable
+        Function that accepts a search term string and returns an
+        iterable of dicts with keys ``part_number``, ``description``,
+        ``path``, ``modified``.
+    parent : QWidget, optional
+        Parent widget.
+
+    Signals
+    -------
+    item_selected(dict)
+        Emitted when the user selects an item.  The dict contains
+        keys: *part_number*, *description*, *item_type*, *source*
+        (``"database"``, ``"local"``, or ``"both"``), *modified*,
+        and *path* (str or ``None``).
+    cancelled()
+        Emitted when the user clicks Cancel.
+    """
+
+    item_selected = QtCore.Signal(dict)
+    cancelled = QtCore.Signal()
+
+    def __init__(self, client, search_local_fn, parent=None):
+        super().__init__(parent)
+        self._client = client
+        self._search_local = search_local_fn
+        self._results_data = []
+
+        self.setMinimumWidth(700)
+        self.setMinimumHeight(500)
+
+        self._build_ui()
+
+        # Debounced search timer (500 ms)
+        self._search_timer = QtCore.QTimer(self)
+        self._search_timer.setSingleShot(True)
+        self._search_timer.setInterval(500)
+        self._search_timer.timeout.connect(self._do_search)
+
+        # Populate on first display
+        QtCore.QTimer.singleShot(0, self._do_search)
+
+    # ---- UI construction ---------------------------------------------------
+
+    def _build_ui(self):
+        layout = QtWidgets.QVBoxLayout(self)
+        layout.setSpacing(8)
+
+        # Search row
+        self._search_input = QtWidgets.QLineEdit()
+        self._search_input.setPlaceholderText("Search by part number or description...")
+        self._search_input.textChanged.connect(self._on_search_changed)
+        layout.addWidget(self._search_input)
+
+        # Filter checkboxes
+        filter_layout = QtWidgets.QHBoxLayout()
+        self._db_checkbox = QtWidgets.QCheckBox("Database")
+        self._db_checkbox.setChecked(True)
+        self._local_checkbox = QtWidgets.QCheckBox("Local Files")
+        self._local_checkbox.setChecked(True)
+        self._db_checkbox.toggled.connect(self._on_filter_changed)
+        self._local_checkbox.toggled.connect(self._on_filter_changed)
+        filter_layout.addWidget(self._db_checkbox)
+        filter_layout.addWidget(self._local_checkbox)
+        filter_layout.addStretch()
+        layout.addLayout(filter_layout)
+
+        # Results table
+        self._results_table = QtWidgets.QTableWidget()
+        self._results_table.setColumnCount(5)
+        self._results_table.setHorizontalHeaderLabels(
+            ["Part Number", "Description", "Type", "Source", "Modified"]
+        )
+        self._results_table.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
+        self._results_table.setSelectionMode(QtWidgets.QAbstractItemView.SingleSelection)
+        self._results_table.horizontalHeader().setStretchLastSection(True)
+        self._results_table.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers)
+        self._results_table.doubleClicked.connect(self._open_selected)
+        layout.addWidget(self._results_table, 1)
+
+        # Buttons
+        btn_layout = QtWidgets.QHBoxLayout()
+        btn_layout.addStretch()
+        open_btn = QtWidgets.QPushButton("Open")
+        open_btn.clicked.connect(self._open_selected)
+        cancel_btn = QtWidgets.QPushButton("Cancel")
+        cancel_btn.clicked.connect(self.cancelled.emit)
+        btn_layout.addWidget(open_btn)
+        btn_layout.addWidget(cancel_btn)
+        layout.addLayout(btn_layout)
+
+    # ---- Search logic ------------------------------------------------------
+
+    def _on_search_changed(self, _text):
+        """Restart debounce timer on each keystroke."""
+        self._search_timer.start()
+
+    def _on_filter_changed(self, _checked):
+        """Re-run search immediately when filter checkboxes change."""
+        self._do_search()
+
+    def _do_search(self):
+        """Execute search against database and/or local files."""
+        search_term = self._search_input.text().strip()
+        self._results_data = []
+
+        if self._db_checkbox.isChecked():
+            try:
+                for item in self._client.list_items(search=search_term):
+                    self._results_data.append(
+                        {
+                            "part_number": item.get("part_number", ""),
+                            "description": item.get("description", ""),
+                            "item_type": item.get("item_type", ""),
+                            "source": "database",
+                            "modified": item.get("updated_at", "")[:10]
+                            if item.get("updated_at")
+                            else "",
+                            "path": None,
+                        }
+                    )
+            except Exception as e:
+                FreeCAD.Console.PrintWarning(f"DB search failed: {e}\n")
+
+        if self._local_checkbox.isChecked():
+            try:
+                for item in self._search_local(search_term):
+                    existing = next(
+                        (r for r in self._results_data if r["part_number"] == item["part_number"]),
+                        None,
+                    )
+                    if existing:
+                        existing["source"] = "both"
+                        existing["path"] = item.get("path")
+                    else:
+                        self._results_data.append(
+                            {
+                                "part_number": item.get("part_number", ""),
+                                "description": item.get("description", ""),
+                                "item_type": "",
+                                "source": "local",
+                                "modified": item.get("modified", "")[:10]
+                                if item.get("modified")
+                                else "",
+                                "path": item.get("path"),
+                            }
+                        )
+            except Exception as e:
+                FreeCAD.Console.PrintWarning(f"Local search failed: {e}\n")
+
+        self._populate_table()
+
+    def _populate_table(self):
+        """Refresh the results table from ``_results_data``."""
+        self._results_table.setRowCount(len(self._results_data))
+        for row, data in enumerate(self._results_data):
+            self._results_table.setItem(row, 0, QtWidgets.QTableWidgetItem(data["part_number"]))
+            self._results_table.setItem(row, 1, QtWidgets.QTableWidgetItem(data["description"]))
+            self._results_table.setItem(row, 2, QtWidgets.QTableWidgetItem(data["item_type"]))
+            self._results_table.setItem(row, 3, QtWidgets.QTableWidgetItem(data["source"]))
+            self._results_table.setItem(row, 4, QtWidgets.QTableWidgetItem(data["modified"]))
+        self._results_table.resizeColumnsToContents()
+
+    # ---- Selection ---------------------------------------------------------
+
+    def _open_selected(self):
+        """Emit ``item_selected`` with the data from the selected row."""
+        selected = self._results_table.selectedItems()
+        if not selected:
+            return
+        row = selected[0].row()
+        self.item_selected.emit(dict(self._results_data[row]))

freecad/runner.py

@@ -0,0 +1,156 @@
+"""Headless runner entry points for silorunner compute jobs.
+
+These functions are invoked via ``create --console -e`` by the
+silorunner binary.  They must work without a display server.
+
+Entry Points
+------------
+dag_extract(input_path, output_path)
+    Extract feature DAG and write JSON.
+validate(input_path, output_path)
+    Rebuild all features and report pass/fail per node.
+export(input_path, output_path, format='step')
+    Export geometry to STEP, IGES, STL, or OBJ.
+"""
+
+import json
+
+import FreeCAD
+
+
+def dag_extract(input_path, output_path):
+    """Extract the feature DAG from a Create file.
+
+    Parameters
+    ----------
+    input_path : str
+        Path to the ``.kc`` or ``.FCStd`` file.
+    output_path : str
+        Path to write the JSON output.
+
+    Output JSON::
+
+        {"nodes": [...], "edges": [...]}
+    """
+    from dag import extract_dag
+
+    doc = FreeCAD.openDocument(input_path)
+    try:
+        nodes, edges = extract_dag(doc)
+        with open(output_path, "w") as f:
+            json.dump({"nodes": nodes, "edges": edges}, f)
+        FreeCAD.Console.PrintMessage(
+            f"DAG extracted: {len(nodes)} nodes, {len(edges)} edges -> {output_path}\n"
+        )
+    finally:
+        FreeCAD.closeDocument(doc.Name)
+
+
+def validate(input_path, output_path):
+    """Validate a Create file by rebuilding all features.
+
+    Parameters
+    ----------
+    input_path : str
+        Path to the ``.kc`` or ``.FCStd`` file.
+    output_path : str
+        Path to write the JSON output.
+
+    Output JSON::
+
+        {
+            "valid": true/false,
+            "nodes": [
+                {"node_key": "Pad001", "state": "clean", "message": null, "properties_hash": "..."},
+                ...
+            ]
+        }
+    """
+    from dag import classify_type, compute_properties_hash
+
+    doc = FreeCAD.openDocument(input_path)
+    try:
+        doc.recompute()
+
+        results = []
+        all_valid = True
+
+        for obj in doc.Objects:
+            if not hasattr(obj, "TypeId"):
+                continue
+            node_type = classify_type(obj.TypeId)
+            if node_type is None:
+                continue
+
+            state = "clean"
+            message = None
+            if hasattr(obj, "isValid") and not obj.isValid():
+                state = "failed"
+                message = f"Feature {obj.Label} failed to recompute"
+                all_valid = False
+
+            results.append(
+                {
+                    "node_key": obj.Name,
+                    "state": state,
+                    "message": message,
+                    "properties_hash": compute_properties_hash(obj),
+                }
+            )
+
+        with open(output_path, "w") as f:
+            json.dump({"valid": all_valid, "nodes": results}, f)
+
+        status = "PASS" if all_valid else "FAIL"
+        FreeCAD.Console.PrintMessage(
+            f"Validation {status}: {len(results)} nodes -> {output_path}\n"
+        )
+    finally:
+        FreeCAD.closeDocument(doc.Name)
+
+
+def export(input_path, output_path, format="step"):
+    """Export a Create file to an external geometry format.
+
+    Parameters
+    ----------
+    input_path : str
+        Path to the ``.kc`` or ``.FCStd`` file.
+    output_path : str
+        Path to write the exported file.
+    format : str
+        One of ``step``, ``iges``, ``stl``, ``obj``.
+    """
+    import Part
+
+    doc = FreeCAD.openDocument(input_path)
+    try:
+        shapes = [
+            obj.Shape for obj in doc.Objects if hasattr(obj, "Shape") and obj.Shape
+        ]
+        if not shapes:
+            raise ValueError("No geometry found in document")
+
+        compound = Part.makeCompound(shapes)
+
+        format_lower = format.lower()
+        if format_lower == "step":
+            compound.exportStep(output_path)
+        elif format_lower == "iges":
+            compound.exportIges(output_path)
+        elif format_lower == "stl":
+            import Mesh
+
+            Mesh.export([compound], output_path)
+        elif format_lower == "obj":
+            import Mesh
+
+            Mesh.export([compound], output_path)
+        else:
+            raise ValueError(f"Unsupported format: {format}")
+
+        FreeCAD.Console.PrintMessage(
+            f"Exported {format_lower.upper()} -> {output_path}\n"
+        )
+    finally:
+        FreeCAD.closeDocument(doc.Name)

freecad/schema_form.py

@@ -0,0 +1,629 @@
+"""Schema-driven new-item form for Kindred Create.
+
+Fetches schema data from the Silo REST API and builds a dynamic Qt form
+that mirrors the React ``CreateItemPane`` — category picker, property
+fields grouped by domain, live part number preview, and project tagging.
+
+The primary widget is :class:`SchemaFormWidget` (a plain ``QWidget``)
+which can be embedded in an MDI tab, dock panel, or wrapped in the
+backward-compatible :class:`SchemaFormDialog` modal.
+"""
+
+import json
+import urllib.error
+import urllib.parse
+import urllib.request
+
+import FreeCAD
+from PySide import QtCore, QtGui, QtWidgets
+
+# ---------------------------------------------------------------------------
+# Domain labels derived from the first character of category codes.
+# ---------------------------------------------------------------------------
+
+_DOMAIN_LABELS = {
+    "F": "Fasteners",
+    "C": "Fluid Fittings",
+    "R": "Motion Components",
+    "S": "Structural",
+    "E": "Electrical",
+    "M": "Mechanical",
+    "T": "Tooling",
+    "A": "Assemblies",
+    "P": "Purchased",
+    "X": "Custom Fabricated",
+}
+
+_ITEM_TYPES = ["part", "assembly", "consumable", "tool"]
+_SOURCING_TYPES = ["manufactured", "purchased"]
+
+
+# ---------------------------------------------------------------------------
+# Collapsible group box
+# ---------------------------------------------------------------------------
+
+
+class _CollapsibleGroup(QtWidgets.QGroupBox):
+    """A QGroupBox that can be collapsed by clicking its title."""
+
+    def __init__(self, title: str, parent=None, collapsed=False):
+        super().__init__(title, parent)
+        self.setCheckable(True)
+        self.setChecked(not collapsed)
+        self.toggled.connect(self._on_toggled)
+        self._content = QtWidgets.QWidget()
+        self._layout = QtWidgets.QFormLayout(self._content)
+        self._layout.setContentsMargins(8, 4, 8, 4)
+        self._layout.setSpacing(6)
+
+        outer = QtWidgets.QVBoxLayout(self)
+        outer.setContentsMargins(0, 4, 0, 0)
+        outer.addWidget(self._content)
+
+        if collapsed:
+            self._content.hide()
+
+    def form_layout(self) -> QtWidgets.QFormLayout:
+        return self._layout
+
+    def _on_toggled(self, checked: bool):
+        self._content.setVisible(checked)
+
+
+# ---------------------------------------------------------------------------
+# Category picker (domain combo → subcategory combo)
+# ---------------------------------------------------------------------------
+
+
+class _CategoryPicker(QtWidgets.QWidget):
+    """Two chained combo boxes: domain group → subcategory within that group."""
+
+    category_changed = QtCore.Signal(str)  # emits full code e.g. "F01"
+
+    def __init__(self, categories: dict, parent=None):
+        super().__init__(parent)
+        self._categories = categories  # {code: description, ...}
+
+        # Group by first character
+        self._groups = {}  # {prefix: [(code, desc), ...]}
+        for code, desc in sorted(categories.items()):
+            prefix = code[0] if code else "?"
+            self._groups.setdefault(prefix, []).append((code, desc))
+
+        layout = QtWidgets.QHBoxLayout(self)
+        layout.setContentsMargins(0, 0, 0, 0)
+        layout.setSpacing(8)
+
+        self._domain_combo = QtWidgets.QComboBox()
+        self._domain_combo.addItem("-- Select domain --", "")
+        for prefix in sorted(self._groups.keys()):
+            label = _DOMAIN_LABELS.get(prefix, prefix)
+            count = len(self._groups[prefix])
+            self._domain_combo.addItem(f"{prefix} \u2014 {label} ({count})", prefix)
+        self._domain_combo.currentIndexChanged.connect(self._on_domain_changed)
+        layout.addWidget(self._domain_combo, 1)
+
+        self._sub_combo = QtWidgets.QComboBox()
+        self._sub_combo.setEnabled(False)
+        self._sub_combo.currentIndexChanged.connect(self._on_sub_changed)
+        layout.addWidget(self._sub_combo, 1)
+
+    def selected_category(self) -> str:
+        return self._sub_combo.currentData() or ""
+
+    def _on_domain_changed(self, _index: int):
+        prefix = self._domain_combo.currentData()
+        self._sub_combo.clear()
+        if not prefix:
+            self._sub_combo.setEnabled(False)
+            self.category_changed.emit("")
+            return
+
+        self._sub_combo.setEnabled(True)
+        self._sub_combo.addItem("-- Select subcategory --", "")
+        for code, desc in self._groups.get(prefix, []):
+            self._sub_combo.addItem(f"{code} \u2014 {desc}", code)
+
+    def _on_sub_changed(self, _index: int):
+        code = self._sub_combo.currentData() or ""
+        self.category_changed.emit(code)
+
+
+# ---------------------------------------------------------------------------
+# Property field factory
+# ---------------------------------------------------------------------------
+
+
+def _make_field(prop_def: dict) -> QtWidgets.QWidget:
+    """Create a Qt widget for a property definition.
+
+    ``prop_def`` has keys: type, default, unit, description, required.
+    """
+    ptype = prop_def.get("type", "string")
+
+    if ptype == "boolean":
+        cb = QtWidgets.QCheckBox()
+        default = prop_def.get("default")
+        if default is True:
+            cb.setChecked(True)
+        if prop_def.get("description"):
+            cb.setToolTip(prop_def["description"])
+        return cb
+
+    if ptype == "number":
+        container = QtWidgets.QWidget()
+        h = QtWidgets.QHBoxLayout(container)
+        h.setContentsMargins(0, 0, 0, 0)
+        h.setSpacing(4)
+
+        spin = QtWidgets.QDoubleSpinBox()
+        spin.setDecimals(4)
+        spin.setRange(-1e9, 1e9)
+        spin.setSpecialValueText("")  # show empty when at minimum
+        default = prop_def.get("default")
+        if default is not None and default != "":
+            try:
+                spin.setValue(float(default))
+            except (ValueError, TypeError):
+                pass
+        else:
+            spin.clear()
+        if prop_def.get("description"):
+            spin.setToolTip(prop_def["description"])
+        h.addWidget(spin, 1)
+
+        unit = prop_def.get("unit", "")
+        if unit:
+            unit_label = QtWidgets.QLabel(unit)
+            unit_label.setFixedWidth(40)
+            h.addWidget(unit_label)
+
+        return container
+
+    # Default: string
+    le = QtWidgets.QLineEdit()
+    default = prop_def.get("default")
+    if default and isinstance(default, str):
+        le.setText(default)
+    if prop_def.get("description"):
+        le.setPlaceholderText(prop_def["description"])
+        le.setToolTip(prop_def["description"])
+    return le
+
+
+def _read_field(widget: QtWidgets.QWidget, prop_def: dict):
+    """Extract the value from a property widget, type-converted."""
+    ptype = prop_def.get("type", "string")
+
+    if ptype == "boolean":
+        return widget.isChecked()
+
+    if ptype == "number":
+        spin = widget.findChild(QtWidgets.QDoubleSpinBox)
+        if spin is None:
+            return None
+        text = spin.text().strip()
+        if not text:
+            return None
+        return spin.value()
+
+    # string
+    if isinstance(widget, QtWidgets.QLineEdit):
+        val = widget.text().strip()
+        return val if val else None
+    return None
+
+
+# ---------------------------------------------------------------------------
+# Embeddable form widget
+# ---------------------------------------------------------------------------
+
+
+class SchemaFormWidget(QtWidgets.QWidget):
+    """Schema-driven new-item form widget.
+
+    A plain ``QWidget`` that can be embedded in an MDI subwindow, dock
+    panel, or dialog.  Emits :pyqt:`item_created` on successful creation
+    and :pyqt:`cancelled` when the user clicks Cancel.
+    """
+
+    item_created = QtCore.Signal(dict)
+    cancelled = QtCore.Signal()
+
+    def __init__(self, client, parent=None):
+        super().__init__(parent)
+        self._client = client
+        self._prop_widgets = {}  # {key: (widget, prop_def)}
+        self._prop_groups = []  # list of _CollapsibleGroup to clear on category change
+        self._categories = {}
+        self._projects = []
+
+        self._load_schema_data()
+        self._build_ui()
+
+        # Part number preview debounce timer
+        self._pn_timer = QtCore.QTimer(self)
+        self._pn_timer.setSingleShot(True)
+        self._pn_timer.setInterval(500)
+        self._pn_timer.timeout.connect(self._update_pn_preview)
+
+    # -- data loading -------------------------------------------------------
+
+    def _load_schema_data(self):
+        """Fetch categories and projects from the API."""
+        try:
+            schema = self._client.get_schema()
+            segments = schema.get("segments", [])
+            cat_segment = next((s for s in segments if s.get("name") == "category"), None)
+            if cat_segment and cat_segment.get("values"):
+                self._categories = cat_segment["values"]
+        except Exception as e:
+            FreeCAD.Console.PrintWarning(f"Schema form: failed to fetch schema: {e}\n")
+
+        try:
+            self._projects = self._client.get_projects() or []
+        except Exception:
+            self._projects = []
+
+    def _fetch_properties(self, category: str) -> dict:
+        """Fetch merged property definitions for a category."""
+        from silo_commands import _get_api_url, _get_auth_headers, _get_ssl_context
+
+        api_url = _get_api_url().rstrip("/")
+        url = f"{api_url}/schemas/kindred-rd/properties?category={urllib.parse.quote(category)}"
+        req = urllib.request.Request(url, method="GET")
+        req.add_header("Accept", "application/json")
+        for k, v in _get_auth_headers().items():
+            req.add_header(k, v)
+        try:
+            resp = urllib.request.urlopen(req, context=_get_ssl_context(), timeout=5)
+            data = json.loads(resp.read().decode("utf-8"))
+            return data.get("properties", data)
+        except Exception as e:
+            FreeCAD.Console.PrintWarning(
+                f"Schema form: failed to fetch properties for {category}: {e}\n"
+            )
+            return {}
+
+    def _generate_pn_preview(self, category: str) -> str:
+        """Call the server to preview the next part number."""
+        from silo_commands import _get_api_url, _get_auth_headers, _get_ssl_context
+
+        api_url = _get_api_url().rstrip("/")
+        url = f"{api_url}/generate-part-number"
+        payload = json.dumps({"schema": "kindred-rd", "category": category}).encode()
+        req = urllib.request.Request(url, data=payload, method="POST")
+        req.add_header("Content-Type", "application/json")
+        req.add_header("Accept", "application/json")
+        for k, v in _get_auth_headers().items():
+            req.add_header(k, v)
+        try:
+            resp = urllib.request.urlopen(req, context=_get_ssl_context(), timeout=5)
+            data = json.loads(resp.read().decode("utf-8"))
+            return data.get("part_number", "")
+        except Exception:
+            return ""
+
+    # -- UI construction ----------------------------------------------------
+
+    def _build_ui(self):
+        root = QtWidgets.QVBoxLayout(self)
+        root.setSpacing(8)
+
+        # Inline error label (hidden by default)
+        self._error_label = QtWidgets.QLabel()
+        self._error_label.setStyleSheet(
+            "background-color: #f38ba8; color: #1e1e2e; "
+            "padding: 8px; border-radius: 4px; font-weight: bold;"
+        )
+        self._error_label.setAlignment(QtCore.Qt.AlignCenter)
+        self._error_label.hide()
+        root.addWidget(self._error_label)
+
+        # Part number preview banner
+        self._pn_label = QtWidgets.QLabel("Part Number: \u2014")
+        self._pn_label.setStyleSheet("font-size: 16px; font-weight: bold; padding: 8px;")
+        self._pn_label.setAlignment(QtCore.Qt.AlignCenter)
+        root.addWidget(self._pn_label)
+
+        # Scroll area for form content
+        scroll = QtWidgets.QScrollArea()
+        scroll.setWidgetResizable(True)
+        scroll.setFrameShape(QtWidgets.QFrame.NoFrame)
+        scroll_content = QtWidgets.QWidget()
+        self._form_layout = QtWidgets.QVBoxLayout(scroll_content)
+        self._form_layout.setSpacing(8)
+        self._form_layout.setContentsMargins(8, 4, 8, 4)
+        scroll.setWidget(scroll_content)
+        root.addWidget(scroll, 1)
+
+        # --- Identity section ---
+        identity = _CollapsibleGroup("Identity")
+        fl = identity.form_layout()
+
+        self._type_combo = QtWidgets.QComboBox()
+        for t in _ITEM_TYPES:
+            self._type_combo.addItem(t.capitalize(), t)
+        fl.addRow("Type:", self._type_combo)
+
+        self._desc_edit = QtWidgets.QLineEdit()
+        self._desc_edit.setPlaceholderText("Item description")
+        fl.addRow("Description:", self._desc_edit)
+
+        self._cat_picker = _CategoryPicker(self._categories)
+        self._cat_picker.category_changed.connect(self._on_category_changed)
+        fl.addRow("Category:", self._cat_picker)
+
+        self._form_layout.addWidget(identity)
+
+        # --- Sourcing section ---
+        sourcing = _CollapsibleGroup("Sourcing", collapsed=True)
+        fl = sourcing.form_layout()
+
+        self._sourcing_combo = QtWidgets.QComboBox()
+        for s in _SOURCING_TYPES:
+            self._sourcing_combo.addItem(s.capitalize(), s)
+        fl.addRow("Sourcing:", self._sourcing_combo)
+
+        self._cost_spin = QtWidgets.QDoubleSpinBox()
+        self._cost_spin.setDecimals(2)
+        self._cost_spin.setRange(0, 1e9)
+        self._cost_spin.setPrefix("$ ")
+        self._cost_spin.setSpecialValueText("")
+        fl.addRow("Standard Cost:", self._cost_spin)
+
+        self._sourcing_url = QtWidgets.QLineEdit()
+        self._sourcing_url.setPlaceholderText("https://...")
+        fl.addRow("Sourcing URL:", self._sourcing_url)
+
+        self._form_layout.addWidget(sourcing)
+
+        # --- Details section ---
+        details = _CollapsibleGroup("Details", collapsed=True)
+        fl = details.form_layout()
+
+        self._long_desc = QtWidgets.QTextEdit()
+        self._long_desc.setMaximumHeight(80)
+        self._long_desc.setPlaceholderText("Detailed description...")
+        fl.addRow("Long Description:", self._long_desc)
+
+        # Project selection
+        self._project_list = QtWidgets.QListWidget()
+        self._project_list.setSelectionMode(QtWidgets.QAbstractItemView.MultiSelection)
+        self._project_list.setMaximumHeight(100)
+        for proj in self._projects:
+            code = proj.get("code", "")
+            name = proj.get("name", "")
+            label = f"{code} \u2014 {name}" if name else code
+            item = QtWidgets.QListWidgetItem(label)
+            item.setData(QtCore.Qt.UserRole, code)
+            self._project_list.addItem(item)
+        if self._projects:
+            fl.addRow("Projects:", self._project_list)
+
+        self._form_layout.addWidget(details)
+
+        # --- Dynamic property groups (inserted here on category change) ---
+        self._prop_insert_index = self._form_layout.count()
+
+        # Spacer
+        self._form_layout.addStretch()
+
+        # --- Buttons ---
+        btn_layout = QtWidgets.QHBoxLayout()
+        btn_layout.addStretch()
+
+        self._cancel_btn = QtWidgets.QPushButton("Cancel")
+        self._cancel_btn.clicked.connect(self.cancelled.emit)
+        btn_layout.addWidget(self._cancel_btn)
+
+        self._create_btn = QtWidgets.QPushButton("Create")
+        self._create_btn.setEnabled(False)
+        self._create_btn.setDefault(True)
+        self._create_btn.clicked.connect(self._on_create)
+        btn_layout.addWidget(self._create_btn)
+
+        root.addLayout(btn_layout)
+
+    # -- category change ----------------------------------------------------
+
+    def _on_category_changed(self, category: str):
+        """Rebuild property groups when category selection changes."""
+        self._create_btn.setEnabled(bool(category))
+
+        # Remove old property groups
+        for group in self._prop_groups:
+            self._form_layout.removeWidget(group)
+            group.deleteLater()
+        self._prop_groups.clear()
+        self._prop_widgets.clear()
+
+        if not category:
+            self._pn_label.setText("Part Number: \u2014")
+            return
+
+        # Trigger part number preview
+        self._pn_timer.start()
+
+        # Fetch properties
+        all_props = self._fetch_properties(category)
+        if not all_props:
+            return
+
+        # Separate into category-specific and common (default) properties.
+        # The server merges them but we can identify category-specific ones
+        # by checking what the schema defines for this category prefix.
+        prefix = category[0]
+        domain_label = _DOMAIN_LABELS.get(prefix, prefix)
+
+        # We fetch the raw schema to determine which keys are category-specific.
+        # For now, use a heuristic: keys that are NOT in the well-known defaults
+        # list are category-specific.
+        _KNOWN_DEFAULTS = {
+            "manufacturer",
+            "manufacturer_pn",
+            "supplier",
+            "supplier_pn",
+            "sourcing_link",
+            "standard_cost",
+            "lead_time_days",
+            "minimum_order_qty",
+            "lifecycle_status",
+            "rohs_compliant",
+            "country_of_origin",
+            "notes",
+        }
+
+        cat_specific = {}
+        common = {}
+        for key, pdef in sorted(all_props.items()):
+            if key in _KNOWN_DEFAULTS:
+                common[key] = pdef
+            else:
+                cat_specific[key] = pdef
+
+        insert_pos = self._prop_insert_index
+
+        # Category-specific properties group
+        if cat_specific:
+            group = _CollapsibleGroup(f"{domain_label} Properties")
+            fl = group.form_layout()
+            for key, pdef in cat_specific.items():
+                label = key.replace("_", " ").title()
+                widget = _make_field(pdef)
+                fl.addRow(f"{label}:", widget)
+                self._prop_widgets[key] = (widget, pdef)
+            self._form_layout.insertWidget(insert_pos, group)
+            self._prop_groups.append(group)
+            insert_pos += 1
+
+        # Common properties group (collapsed by default)
+        if common:
+            group = _CollapsibleGroup("Common Properties", collapsed=True)
+            fl = group.form_layout()
+            for key, pdef in common.items():
+                label = key.replace("_", " ").title()
+                widget = _make_field(pdef)
+                fl.addRow(f"{label}:", widget)
+                self._prop_widgets[key] = (widget, pdef)
+            self._form_layout.insertWidget(insert_pos, group)
+            self._prop_groups.append(group)
+
+    def _update_pn_preview(self):
+        """Fetch and display the next part number preview."""
+        category = self._cat_picker.selected_category()
+        if not category:
+            self._pn_label.setText("Part Number: \u2014")
+            return
+
+        pn = self._generate_pn_preview(category)
+        if pn:
+            self._pn_label.setText(f"Part Number: {pn}")
+            self.setWindowTitle(f"New: {pn}")
+        else:
+            self._pn_label.setText(f"Part Number: {category}-????")
+            self.setWindowTitle(f"New: {category}-????")
+
+    # -- submission ---------------------------------------------------------
+
+    def _collect_form_data(self) -> dict:
+        """Collect all form values into a dict suitable for create_item."""
+        category = self._cat_picker.selected_category()
+        description = self._desc_edit.text().strip()
+        item_type = self._type_combo.currentData()
+        sourcing_type = self._sourcing_combo.currentData()
+        cost_text = self._cost_spin.text().strip().lstrip("$ ")
+        standard_cost = float(cost_text) if cost_text else None
+        sourcing_link = self._sourcing_url.text().strip() or None
+        long_description = self._long_desc.toPlainText().strip() or None
+
+        # Projects
+        selected_projects = []
+        for item in self._project_list.selectedItems():
+            code = item.data(QtCore.Qt.UserRole)
+            if code:
+                selected_projects.append(code)
+
+        # Properties
+        properties = {}
+        for key, (widget, pdef) in self._prop_widgets.items():
+            val = _read_field(widget, pdef)
+            if val is not None and val != "":
+                properties[key] = val
+
+        return {
+            "category": category,
+            "description": description,
+            "item_type": item_type,
+            "sourcing_type": sourcing_type,
+            "standard_cost": standard_cost,
+            "sourcing_link": sourcing_link,
+            "long_description": long_description,
+            "projects": selected_projects if selected_projects else None,
+            "properties": properties if properties else None,
+        }
+
+    def _on_create(self):
+        """Validate and submit the form."""
+        self._error_label.hide()
+        data = self._collect_form_data()
+
+        if not data["category"]:
+            self._error_label.setText("Category is required.")
+            self._error_label.show()
+            return
+
+        try:
+            result = self._client.create_item(
+                "kindred-rd",
+                data["category"],
+                data["description"],
+                projects=data["projects"],
+            )
+            result["_form_data"] = data
+            self.item_created.emit(result)
+        except Exception as e:
+            self._error_label.setText(f"Failed to create item: {e}")
+            self._error_label.show()
+
+
+# ---------------------------------------------------------------------------
+# Modal dialog wrapper (backward compatibility)
+# ---------------------------------------------------------------------------
+
+
+class SchemaFormDialog(QtWidgets.QDialog):
+    """Modal dialog wrapper around :class:`SchemaFormWidget`.
+
+    Provides the same ``exec_and_create()`` API as the original
+    implementation for callers that still need blocking modal behavior.
+    """
+
+    def __init__(self, client, parent=None):
+        super().__init__(parent)
+        self.setWindowTitle("New Item")
+        self.setMinimumSize(600, 500)
+        self.resize(680, 700)
+        self._result = None
+
+        layout = QtWidgets.QVBoxLayout(self)
+        layout.setContentsMargins(0, 0, 0, 0)
+        self._form = SchemaFormWidget(client, parent=self)
+        self._form.item_created.connect(self._on_created)
+        self._form.cancelled.connect(self.reject)
+        layout.addWidget(self._form)
+
+    @property
+    def _desc_edit(self):
+        """Expose description field for pre-fill by callers."""
+        return self._form._desc_edit
+
+    def _on_created(self, result):
+        self._result = result
+        self.accept()
+
+    def exec_and_create(self):
+        """Show dialog and return the creation result, or None if cancelled."""
+        if self.exec_() == QtWidgets.QDialog.Accepted:
+            return self._result
+        return None

freecad/silo_origin.py

@@ -299,9 +299,7 @@ class SiloOrigin:
             Created App.Document or None
         """
         try:
-            cmd = FreeCADGui.Command.get("Silo_New")
+            FreeCADGui.runCommand("Silo_New")
-            if cmd:
-                cmd.Activated()
             return FreeCAD.ActiveDocument
         except Exception as e:
             FreeCAD.Console.PrintError(f"Silo new document failed: {e}\n")
@@ -322,9 +320,7 @@ class SiloOrigin:
         if not identity:
             # No identity - show search dialog
             try:
-                cmd = FreeCADGui.Command.get("Silo_Open")
+                FreeCADGui.runCommand("Silo_Open")
-                if cmd:
-                    cmd.Activated()
                 return FreeCAD.ActiveDocument
             except Exception as e:
                 FreeCAD.Console.PrintError(f"Silo open failed: {e}\n")
@@ -354,9 +350,7 @@ class SiloOrigin:
             Opened App.Document or None
         """
         try:
-            cmd = FreeCADGui.Command.get("Silo_Open")
+            FreeCADGui.runCommand("Silo_Open")
-            if cmd:
-                cmd.Activated()
             return FreeCAD.ActiveDocument
         except Exception as e:
             FreeCAD.Console.PrintError(f"Silo open failed: {e}\n")
@@ -398,12 +392,17 @@ class SiloOrigin:
                 obj.SiloPartNumber, str(file_path), properties, comment=""
             )
 
-            # Clear modified flag
+            # Clear modified flag (Modified is on Gui.Document, not App.Document)
-            doc.Modified = False
+            gui_doc = FreeCADGui.getDocument(doc.Name)
+            if gui_doc:
+                gui_doc.Modified = False
 
             return True
         except Exception as e:
+            import traceback
+
             FreeCAD.Console.PrintError(f"Silo save failed: {e}\n")
+            FreeCAD.Console.PrintError(traceback.format_exc())
             return False
 
     def saveDocumentAs(self, doc, newIdentity: str) -> bool:
@@ -473,10 +472,8 @@ class SiloOrigin:
             True if command was executed
         """
         try:
-            cmd = FreeCADGui.Command.get("Silo_Commit")
+            FreeCADGui.runCommand("Silo_Commit")
-            if cmd:
+            return True
-                cmd.Activated()
-                return True
         except Exception as e:
             FreeCAD.Console.PrintError(f"Silo commit failed: {e}\n")
         return False
@@ -493,10 +490,8 @@ class SiloOrigin:
             True if command was executed
         """
         try:
-            cmd = FreeCADGui.Command.get("Silo_Pull")
+            FreeCADGui.runCommand("Silo_Pull")
-            if cmd:
+            return True
-                cmd.Activated()
-                return True
         except Exception as e:
             FreeCAD.Console.PrintError(f"Silo pull failed: {e}\n")
         return False
@@ -513,10 +508,8 @@ class SiloOrigin:
             True if command was executed
         """
         try:
-            cmd = FreeCADGui.Command.get("Silo_Push")
+            FreeCADGui.runCommand("Silo_Push")
-            if cmd:
+            return True
-                cmd.Activated()
-                return True
         except Exception as e:
             FreeCAD.Console.PrintError(f"Silo push failed: {e}\n")
         return False
@@ -530,9 +523,7 @@ class SiloOrigin:
             doc: FreeCAD App.Document
         """
         try:
-            cmd = FreeCADGui.Command.get("Silo_Info")
+            FreeCADGui.runCommand("Silo_Info")
-            if cmd:
-                cmd.Activated()
         except Exception as e:
             FreeCAD.Console.PrintError(f"Silo info failed: {e}\n")
 
@@ -545,9 +536,7 @@ class SiloOrigin:
             doc: FreeCAD App.Document
         """
         try:
-            cmd = FreeCADGui.Command.get("Silo_BOM")
+            FreeCADGui.runCommand("Silo_BOM")
-            if cmd:
-                cmd.Activated()
         except Exception as e:
             FreeCAD.Console.PrintError(f"Silo BOM failed: {e}\n")
 

freecad/silo_start.py

@@ -0,0 +1,667 @@
+"""Silo Start Page — native Qt start view for Kindred Create.
+
+Replaces the default Start page with a rich native panel that fetches data
+from the Silo REST API, shows real-time activity via SSE, and provides quick
+access to database items and recent local files.
+
+The command override is activated by calling ``register()`` at module level
+from InitGui.py, which overwrites the C++ ``Start_Start`` command.
+"""
+
+import os
+from datetime import datetime
+from pathlib import Path
+
+import FreeCAD
+import FreeCADGui
+from PySide import QtCore, QtGui, QtWidgets
+
+# ---------------------------------------------------------------------------
+# Catppuccin Mocha palette
+# ---------------------------------------------------------------------------
+_MOCHA = {
+    "base": "#1e1e2e",
+    "mantle": "#181825",
+    "crust": "#11111b",
+    "surface0": "#313244",
+    "surface1": "#45475a",
+    "surface2": "#585b70",
+    "text": "#cdd6f4",
+    "subtext0": "#a6adc8",
+    "subtext1": "#bac2de",
+    "blue": "#89b4fa",
+    "green": "#a6e3a1",
+    "red": "#f38ba8",
+    "peach": "#fab387",
+    "lavender": "#b4befe",
+    "overlay0": "#6c7086",
+}
+
+_PREF_GROUP = "User parameter:BaseApp/Preferences/Mod/KindredSilo"
+
+
+# ---------------------------------------------------------------------------
+# Helpers
+# ---------------------------------------------------------------------------
+
+
+def _get_silo_base_url() -> str:
+    """Return the Silo web UI root URL (without /api)."""
+    param = FreeCAD.ParamGet(_PREF_GROUP)
+    url = param.GetString("ApiUrl", "")
+    if not url:
+        url = os.environ.get("SILO_API_URL", "http://localhost:8080/api")
+    url = url.rstrip("/")
+    if url.endswith("/api"):
+        url = url[:-4]
+    return url
+
+
+def _get_recent_files() -> list:
+    """Read recent files from FreeCAD preferences."""
+    group = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/RecentFiles")
+    count = group.GetInt("RecentFiles", 0)
+    files = []
+    for i in range(count):
+        path = group.GetString(f"MRU{i}", "")
+        if path and os.path.exists(path):
+            p = Path(path)
+            mtime = datetime.fromtimestamp(p.stat().st_mtime)
+            files.append({"path": str(p), "name": p.name, "modified": mtime})
+    return files
+
+
+def _relative_time(dt: datetime) -> str:
+    """Format a datetime as a human-friendly relative string."""
+    now = datetime.now()
+    diff = now - dt
+    seconds = int(diff.total_seconds())
+    if seconds < 60:
+        return "just now"
+    minutes = seconds // 60
+    if minutes < 60:
+        return f"{minutes}m ago"
+    hours = minutes // 60
+    if hours < 24:
+        return f"{hours}h ago"
+    days = hours // 24
+    if days < 30:
+        return f"{days}d ago"
+    return dt.strftime("%Y-%m-%d")
+
+
+# ---------------------------------------------------------------------------
+# Stylesheet
+# ---------------------------------------------------------------------------
+
+_STYLESHEET = f"""
+SiloStartView {{
+    background-color: {_MOCHA["base"]};
+}}
+
+/* --- Status banner --- */
+#SiloStatusBanner {{
+    background-color: {_MOCHA["surface0"]};
+    border-radius: 8px;
+}}
+#SiloStatusBanner QLabel {{
+    color: {_MOCHA["text"]};
+    font-size: 13px;
+}}
+#SiloStatusBanner QPushButton {{
+    background-color: {_MOCHA["blue"]};
+    color: {_MOCHA["crust"]};
+    border: none;
+    border-radius: 4px;
+    padding: 6px 12px;
+    font-weight: bold;
+    font-size: 12px;
+}}
+#SiloStatusBanner QPushButton:hover {{
+    background-color: {_MOCHA["lavender"]};
+}}
+
+/* --- Section headers --- */
+.SiloSectionHeader {{
+    color: {_MOCHA["text"]};
+    font-size: 14px;
+    font-weight: bold;
+}}
+
+/* --- Search field --- */
+#SiloSearchField {{
+    background-color: {_MOCHA["surface0"]};
+    border: 1px solid {_MOCHA["surface1"]};
+    border-radius: 4px;
+    padding: 6px 10px;
+    color: {_MOCHA["text"]};
+    font-size: 13px;
+}}
+#SiloSearchField:focus {{
+    border-color: {_MOCHA["blue"]};
+}}
+
+/* --- List widgets --- */
+.SiloList {{
+    background-color: {_MOCHA["mantle"]};
+    border: 1px solid {_MOCHA["surface0"]};
+    border-radius: 6px;
+    padding: 4px;
+}}
+.SiloList::item {{
+    padding: 8px 10px;
+    border-bottom: 1px solid {_MOCHA["surface0"]};
+    color: {_MOCHA["text"]};
+}}
+.SiloList::item:last {{
+    border-bottom: none;
+}}
+.SiloList::item:hover {{
+    background-color: {_MOCHA["surface0"]};
+}}
+.SiloList::item:selected {{
+    background-color: {_MOCHA["surface1"]};
+}}
+
+/* --- Activity feed --- */
+#SiloActivityFeed {{
+    background-color: {_MOCHA["mantle"]};
+    border: 1px solid {_MOCHA["surface0"]};
+    border-radius: 6px;
+    padding: 4px;
+}}
+#SiloActivityFeed::item {{
+    padding: 6px 10px;
+    border-bottom: 1px solid {_MOCHA["surface0"]};
+    color: {_MOCHA["subtext0"]};
+    font-size: 12px;
+}}
+#SiloActivityFeed::item:last {{
+    border-bottom: none;
+}}
+
+/* --- Footer checkbox --- */
+QCheckBox {{
+    color: {_MOCHA["subtext0"]};
+    font-size: 12px;
+}}
+QCheckBox::indicator {{
+    width: 14px;
+    height: 14px;
+}}
+"""
+
+
+# ---------------------------------------------------------------------------
+# Main start view
+# ---------------------------------------------------------------------------
+
+
+class SiloStartView(QtWidgets.QWidget):
+    """Native Qt start page with Silo database items, recent files, and
+    real-time activity feed."""
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.setObjectName("SiloStartView")
+
+        self._silo_url = _get_silo_base_url()
+        self._connected = False
+        self._event_listener = None
+        self._activity_events = []  # list of (datetime, text) tuples
+        self._silo_imported = False
+        self._silo_cmds = None  # lazy ref to silo_commands module
+
+        self._build_ui()
+        self.setStyleSheet(_STYLESHEET)
+
+        # Debounce timer for search
+        self._search_timer = QtCore.QTimer(self)
+        self._search_timer.setSingleShot(True)
+        self._search_timer.setInterval(300)
+        self._search_timer.timeout.connect(self._refresh_items)
+
+        # Periodic refresh
+        self._poll_timer = QtCore.QTimer(self)
+        self._poll_timer.setInterval(30000)
+        self._poll_timer.timeout.connect(self._periodic_refresh)
+        self._poll_timer.start()
+
+        # Initial load after event loop starts
+        QtCore.QTimer.singleShot(100, self._initial_load)
+
+    # -- lazy import --------------------------------------------------------
+
+    def _silo(self):
+        """Lazy-import silo_commands to avoid circular import at module load."""
+        if not self._silo_imported:
+            try:
+                import silo_commands
+
+                self._silo_cmds = silo_commands
+            except Exception as e:
+                FreeCAD.Console.PrintWarning(f"Silo Start: cannot import silo_commands: {e}\n")
+                self._silo_cmds = None
+            self._silo_imported = True
+        return self._silo_cmds
+
+    # -- UI construction ----------------------------------------------------
+
+    def _build_ui(self):
+        root = QtWidgets.QVBoxLayout(self)
+        root.setContentsMargins(32, 24, 32, 16)
+        root.setSpacing(0)
+
+        # --- Status banner ---
+        banner = QtWidgets.QFrame()
+        banner.setObjectName("SiloStatusBanner")
+        banner_layout = QtWidgets.QHBoxLayout(banner)
+        banner_layout.setContentsMargins(16, 10, 16, 10)
+
+        self._status_icon = QtWidgets.QLabel()
+        self._status_icon.setFixedSize(12, 12)
+        banner_layout.addWidget(self._status_icon)
+
+        self._status_label = QtWidgets.QLabel("Checking Silo connection...")
+        self._status_label.setWordWrap(True)
+        banner_layout.addWidget(self._status_label, 1)
+
+        self._browser_btn = QtWidgets.QPushButton("Open in Browser")
+        self._browser_btn.setFixedWidth(130)
+        self._browser_btn.setCursor(QtCore.Qt.PointingHandCursor)
+        self._browser_btn.clicked.connect(self._open_in_browser)
+        banner_layout.addWidget(self._browser_btn)
+
+        self._retry_btn = QtWidgets.QPushButton("Retry")
+        self._retry_btn.setFixedWidth(70)
+        self._retry_btn.setCursor(QtCore.Qt.PointingHandCursor)
+        self._retry_btn.clicked.connect(self._initial_load)
+        self._retry_btn.hide()
+        banner_layout.addWidget(self._retry_btn)
+
+        root.addWidget(banner)
+        root.addSpacing(20)
+
+        # --- Main content: items (left) + recent files (right) ---
+        content_splitter = QtWidgets.QSplitter(QtCore.Qt.Horizontal)
+        content_splitter.setHandleWidth(12)
+        content_splitter.setStyleSheet(
+            f"QSplitter::handle {{ background-color: {_MOCHA['base']}; }}"
+        )
+
+        # Left: Database Items
+        left = QtWidgets.QWidget()
+        left_layout = QtWidgets.QVBoxLayout(left)
+        left_layout.setContentsMargins(0, 0, 0, 0)
+        left_layout.setSpacing(8)
+
+        items_header = QtWidgets.QLabel("Database Items")
+        items_header.setProperty("class", "SiloSectionHeader")
+        left_layout.addWidget(items_header)
+
+        self._search_field = QtWidgets.QLineEdit()
+        self._search_field.setObjectName("SiloSearchField")
+        self._search_field.setPlaceholderText("Search items...")
+        self._search_field.textChanged.connect(self._on_search_changed)
+        left_layout.addWidget(self._search_field)
+
+        self._items_list = QtWidgets.QListWidget()
+        self._items_list.setProperty("class", "SiloList")
+        self._items_list.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
+        self._items_list.itemDoubleClicked.connect(self._on_item_double_clicked)
+        self._items_list.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
+        self._items_list.customContextMenuRequested.connect(self._on_item_context_menu)
+        left_layout.addWidget(self._items_list, 1)
+
+        content_splitter.addWidget(left)
+
+        # Right: Recent Files
+        right = QtWidgets.QWidget()
+        right_layout = QtWidgets.QVBoxLayout(right)
+        right_layout.setContentsMargins(0, 0, 0, 0)
+        right_layout.setSpacing(8)
+
+        recent_header = QtWidgets.QLabel("Recent Files")
+        recent_header.setProperty("class", "SiloSectionHeader")
+        right_layout.addWidget(recent_header)
+
+        self._file_list = QtWidgets.QListWidget()
+        self._file_list.setProperty("class", "SiloList")
+        self._file_list.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
+        self._file_list.itemDoubleClicked.connect(self._on_file_clicked)
+        right_layout.addWidget(self._file_list, 1)
+
+        content_splitter.addWidget(right)
+        content_splitter.setStretchFactor(0, 3)
+        content_splitter.setStretchFactor(1, 2)
+
+        root.addWidget(content_splitter, 1)
+        root.addSpacing(12)
+
+        # --- Activity Feed (bottom) ---
+        activity_header = QtWidgets.QLabel("Activity")
+        activity_header.setProperty("class", "SiloSectionHeader")
+        root.addWidget(activity_header)
+        root.addSpacing(6)
+
+        self._activity_list = QtWidgets.QListWidget()
+        self._activity_list.setObjectName("SiloActivityFeed")
+        self._activity_list.setMaximumHeight(140)
+        self._activity_list.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
+        root.addWidget(self._activity_list)
+        root.addSpacing(12)
+
+        # --- Footer ---
+        footer = QtWidgets.QHBoxLayout()
+        footer.addStretch()
+        self._startup_cb = QtWidgets.QCheckBox("Don't show this page on startup")
+        start_prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Start")
+        show = start_prefs.GetBool("ShowOnStartup", True)
+        self._startup_cb.setChecked(not show)
+        self._startup_cb.toggled.connect(self._on_startup_toggled)
+        footer.addWidget(self._startup_cb)
+        root.addLayout(footer)
+
+    # -- data loading -------------------------------------------------------
+
+    def _initial_load(self):
+        """First-time data load and SSE connection."""
+        self._refresh_status()
+        self._refresh_items()
+        self._refresh_recent_files()
+        self._start_sse()
+
+    def _periodic_refresh(self):
+        """Periodic refresh of items and connection status."""
+        self._refresh_status()
+        self._refresh_items()
+        self._refresh_recent_files()
+
+    def _refresh_status(self):
+        """Update the connection status banner."""
+        sc = self._silo()
+        if sc is None:
+            self._set_status(False, "Silo addon not available")
+            return
+
+        try:
+            reachable, _ = sc._client.check_connection()
+        except Exception:
+            reachable = False
+
+        self._silo_url = _get_silo_base_url()
+        if reachable:
+            self._set_status(True, f"Connected to {self._silo_url}")
+        else:
+            self._set_status(False, f"Cannot reach {self._silo_url}")
+
+    def _set_status(self, connected: bool, message: str):
+        self._connected = connected
+        if connected:
+            self._status_icon.setStyleSheet(
+                f"background-color: {_MOCHA['green']}; border-radius: 6px;"
+            )
+            self._retry_btn.hide()
+            self._browser_btn.show()
+        else:
+            self._status_icon.setStyleSheet(
+                f"background-color: {_MOCHA['red']}; border-radius: 6px;"
+            )
+            self._retry_btn.show()
+            self._browser_btn.hide()
+        self._status_label.setText(message)
+
+    def _refresh_items(self):
+        """Fetch items from Silo API and populate the items list."""
+        sc = self._silo()
+        if sc is None:
+            return
+
+        self._items_list.clear()
+        search = self._search_field.text().strip()
+
+        try:
+            if search:
+                items = sc._client.list_items(search=search)
+            else:
+                items = sc._client.list_items()
+        except Exception:
+            item = QtWidgets.QListWidgetItem("(Unable to fetch items)")
+            item.setFlags(QtCore.Qt.NoItemFlags)
+            self._items_list.addItem(item)
+            return
+
+        if not isinstance(items, list) or not items:
+            item = QtWidgets.QListWidgetItem("(No items found)")
+            item.setFlags(QtCore.Qt.NoItemFlags)
+            self._items_list.addItem(item)
+            return
+
+        # Collect local part numbers for badge
+        local_pns = set()
+        try:
+            for lf in sc.search_local_files():
+                local_pns.add(lf.get("part_number", ""))
+        except Exception:
+            pass
+
+        for entry in items[:30]:
+            pn = entry.get("part_number", "")
+            desc = entry.get("description", "")
+            rev = entry.get("current_revision", "")
+
+            desc_display = desc
+            if len(desc_display) > 50:
+                desc_display = desc_display[:47] + "..."
+
+            local_badge = "  [local]" if pn in local_pns else ""
+            rev_part = f"  Rev {rev}" if rev else ""
+            label = f"{pn} \u2014 {desc_display}{rev_part}{local_badge}"
+
+            list_item = QtWidgets.QListWidgetItem(label)
+            list_item.setData(QtCore.Qt.UserRole, pn)
+            if desc and len(desc) > 50:
+                list_item.setToolTip(desc)
+            if pn in local_pns:
+                list_item.setForeground(QtGui.QColor(_MOCHA["green"]))
+            self._items_list.addItem(list_item)
+
+    def _refresh_recent_files(self):
+        """Populate the recent files list."""
+        self._file_list.clear()
+        files = _get_recent_files()
+        if not files:
+            item = QtWidgets.QListWidgetItem("(No recent files)")
+            item.setFlags(QtCore.Qt.NoItemFlags)
+            self._file_list.addItem(item)
+            return
+        for f in files:
+            label = f"{f['name']}\n{_relative_time(f['modified'])}"
+            item = QtWidgets.QListWidgetItem(label)
+            item.setData(QtCore.Qt.UserRole, f["path"])
+            item.setToolTip(f["path"])
+            self._file_list.addItem(item)
+
+    # -- SSE ----------------------------------------------------------------
+
+    def _start_sse(self):
+        """Connect to SSE for live activity updates."""
+        sc = self._silo()
+        if sc is None:
+            return
+
+        if self._event_listener is not None:
+            return  # already running
+
+        try:
+            self._event_listener = sc.SiloEventListener()
+            self._event_listener.item_updated.connect(self._on_sse_item_updated)
+            self._event_listener.revision_created.connect(self._on_sse_revision_created)
+            self._event_listener.connection_status.connect(self._on_sse_status)
+            self._event_listener.start()
+        except Exception as e:
+            FreeCAD.Console.PrintLog(f"Silo Start: SSE listener failed to start: {e}\n")
+
+    def _stop_sse(self):
+        """Stop SSE listener when the view is destroyed."""
+        if self._event_listener is not None:
+            self._event_listener.stop()
+            self._event_listener = None
+
+    def _on_sse_item_updated(self, part_number: str):
+        self._add_activity_event(f"{part_number} updated")
+        self._refresh_items()
+
+    def _on_sse_revision_created(self, part_number: str, revision: int):
+        self._add_activity_event(f"{part_number} Rev {revision} created")
+        self._refresh_items()
+
+    def _on_sse_status(self, status: str, retry: int, error: str):
+        if status == "connected":
+            FreeCAD.Console.PrintLog("Silo Start: SSE connected\n")
+        elif status == "disconnected":
+            FreeCAD.Console.PrintLog(f"Silo Start: SSE disconnected (retry {retry}): {error}\n")
+
+    def _add_activity_event(self, text: str):
+        """Add an event to the activity feed."""
+        now = datetime.now()
+        self._activity_events.insert(0, (now, text))
+        self._activity_events = self._activity_events[:20]
+        self._rebuild_activity_feed()
+
+    def _rebuild_activity_feed(self):
+        """Rebuild the activity list widget from stored events."""
+        self._activity_list.clear()
+        if not self._activity_events:
+            item = QtWidgets.QListWidgetItem("(No recent activity)")
+            item.setFlags(QtCore.Qt.NoItemFlags)
+            self._activity_list.addItem(item)
+            return
+        for ts, text in self._activity_events:
+            label = f"{text}  \u00b7  {_relative_time(ts)}"
+            self._activity_list.addItem(label)
+
+    # -- interaction --------------------------------------------------------
+
+    def _on_search_changed(self, _text: str):
+        """Debounce search input."""
+        self._search_timer.start()
+
+    def _on_item_double_clicked(self, item: QtWidgets.QListWidgetItem):
+        pn = item.data(QtCore.Qt.UserRole)
+        if not pn:
+            return
+        sc = self._silo()
+        if sc is None:
+            return
+        local_path = sc.find_file_by_part_number(pn)
+        if local_path and local_path.exists():
+            FreeCAD.openDocument(str(local_path))
+        else:
+            sc._sync.open_item(pn)
+
+    def _on_item_context_menu(self, pos):
+        item = self._items_list.itemAt(pos)
+        if item is None:
+            return
+        pn = item.data(QtCore.Qt.UserRole)
+        if not pn:
+            return
+
+        menu = QtWidgets.QMenu()
+        open_action = menu.addAction("Open in Create")
+        browser_action = menu.addAction("Open in Browser")
+        copy_action = menu.addAction("Copy Part Number")
+
+        action = menu.exec_(self._items_list.mapToGlobal(pos))
+        sc = self._silo()
+        if action == open_action:
+            if sc:
+                local_path = sc.find_file_by_part_number(pn)
+                if local_path and local_path.exists():
+                    FreeCAD.openDocument(str(local_path))
+                else:
+                    sc._sync.open_item(pn)
+        elif action == browser_action:
+            url = f"{_get_silo_base_url()}/items/{pn}"
+            QtGui.QDesktopServices.openUrl(QtCore.QUrl(url))
+        elif action == copy_action:
+            QtWidgets.QApplication.clipboard().setText(pn)
+
+    def _on_file_clicked(self, item: QtWidgets.QListWidgetItem):
+        path = item.data(QtCore.Qt.UserRole)
+        if path:
+            try:
+                FreeCADGui.open(path)
+            except Exception as e:
+                FreeCAD.Console.PrintError(f"Silo Start: failed to open {path}: {e}\n")
+
+    def _open_in_browser(self):
+        """Open Silo web UI in the system browser."""
+        url = _get_silo_base_url()
+        QtGui.QDesktopServices.openUrl(QtCore.QUrl(url))
+
+    @staticmethod
+    def _on_startup_toggled(checked: bool):
+        prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Start")
+        prefs.SetBool("ShowOnStartup", not checked)
+
+    # -- cleanup ------------------------------------------------------------
+
+    def closeEvent(self, event):
+        self._stop_sse()
+        self._poll_timer.stop()
+        super().closeEvent(event)
+
+
+# ---------------------------------------------------------------------------
+# Command override
+# ---------------------------------------------------------------------------
+
+
+class _SiloStartCommand:
+    """Replacement for the C++ Start_Start command."""
+
+    def Activated(self):
+        mw = FreeCADGui.getMainWindow()
+        mdi = mw.findChild(QtWidgets.QMdiArea)
+        if not mdi:
+            return
+
+        # Reuse existing view if open
+        for sw in mdi.subWindowList():
+            if sw.widget() and sw.widget().objectName() == "SiloStartView":
+                mdi.setActiveSubWindow(sw)
+                sw.show()
+                return
+
+        # Create new view as MDI subwindow
+        view = SiloStartView()
+        sw = mdi.addSubWindow(view)
+        sw.setWindowTitle("Start")
+        sw.setWindowIcon(QtGui.QIcon(":/icons/StartCommandIcon.svg"))
+        sw.show()
+        mdi.setActiveSubWindow(sw)
+
+    def GetResources(self):
+        return {
+            "MenuText": "&Start Page",
+            "ToolTip": "Displays the start page",
+            "Pixmap": "StartCommandIcon",
+        }
+
+    def IsActive(self):
+        return True
+
+
+def register():
+    """Override the Start_Start command with the Silo start page.
+
+    Call this from InitGui.py at module level so the override is in
+    place before the C++ StartLauncher fires (100ms after GUI init).
+    """
+    try:
+        FreeCADGui.addCommand("Start_Start", _SiloStartCommand())
+        FreeCAD.Console.PrintMessage("Silo Start: registered start page override\n")
+    except Exception as e:
+        FreeCAD.Console.PrintWarning(f"Silo Start: failed to register override: {e}\n")