docs: Update project specs and align statuses

- Add Timber to technical decisions in tech_spec.txt
- Update feature statuses to 'backend_implemented' in tech_spec.txt
- Update UI component statuses to 'needs_review' in project_structure.txt

tech_spec/tech_spec.txt

@@ -5,8 +5,15 @@
         <description>An Android client for the Homebox inventory management system. It allows users to manage their inventory by interacting with a Homebox server instance.</description>
     </PROJECT_INFO>
 
+    <TECHNICAL_DECISIONS>
+        <DECISION id="tech_logging">
+            <summary>Logging Library</summary>
+            <description>The project uses Timber (timber.log.Timber) for all logging purposes. It provides a simple and extensible API for logging.</description>
+        </DECISION>
+    </TECHNICAL_DECISIONS>
+
     <FEATURES>
-        <FEATURE id="feat_dashboard" status="in_progress">
+        <FEATURE id="feat_dashboard" status="backend_implemented">
             <summary>Dashboard Screen</summary>
             <description>Displays a summary of the inventory, including statistics like total items, total value, and counts by location/label.</description>
             <UI_COMPONENT ref_id="screen_dashboard" />
@@ -19,7 +26,7 @@
             </FUNCTIONALITY>
         </FEATURE>
 
-        <FEATURE id="feat_inventory_list" status="in_progress">
+        <FEATURE id="feat_inventory_list" status="backend_implemented">
             <summary>Inventory List Screen</summary>
             <description>Displays a searchable and filterable list of all inventory items.</description>
             <UI_COMPONENT ref_id="screen_inventory_list" />
@@ -37,7 +44,7 @@
             </FUNCTIONALITY>
         </FEATURE>
 
-        <FEATURE id="feat_item_details" status="in_progress">
+        <FEATURE id="feat_item_details" status="backend_implemented">
             <summary>Item Details Screen</summary>
             <description>Shows all details for a single inventory item, including its name, description, images, attachments, and custom fields.</description>
             <UI_COMPONENT ref_id="screen_item_details" />
@@ -50,7 +57,7 @@
             </FUNCTIONALITY>
         </FEATURE>
 
-        <FEATURE id="feat_item_management" status="in_progress">
+        <FEATURE id="feat_item_management" status="backend_implemented">
             <summary>Create/Edit/Delete Items</summary>
             <description>Allows users to create new items, update existing ones, and delete them.</description>
             <UI_COMPONENT ref_id="screen_item_edit" />
@@ -73,7 +80,7 @@
             </FUNCTIONALITY>
         </FEATURE>
 
-        <FEATURE id="feat_labels_locations" status="in_progress">
+        <FEATURE id="feat_labels_locations" status="backend_implemented">
             <summary>Manage Labels and Locations</summary>
             <description>Allows users to view lists of all available labels and locations.</description>
             <UI_COMPONENT ref_id="screen_labels_list" />
@@ -92,7 +99,7 @@
             </FUNCTIONALITY>
         </FEATURE>
 
-        <FEATURE id="feat_search" status="in_progress">
+        <FEATURE id="feat_search" status="backend_implemented">
             <summary>Search Screen</summary>
             <description>Provides a dedicated UI for searching items.</description>
             <UI_COMPONENT ref_id="screen_search" />