docs: Update CLAUDE.md with completed features #14, #15, and new features

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CLAUDE.md

@@ -139,8 +139,8 @@ This is a fork with UX improvements. Issues are tracked on the Gitea instance ab
 | 11 | Slicer Integration / Print Jobs | ✅ DONE |
 | 12 | Redesign Home Page Dashboard | ✅ DONE |
 | 13 | Batch Operations (Multi-Select Edit) | ✅ DONE |
-| 14 | Extra Weight Field (DryPods, etc.) | **Open** |
-| 15 | Spool Count per Filament in List | **Open** |
+| 14 | Extra Weight Field (DryPods, etc.) | ✅ DONE |
+| 15 | Spool Count per Filament in List | ✅ DONE |
 
 ### Other Features (not tracked in Gitea)
 - ✅ Theme Colors (5 options)
@@ -148,6 +148,9 @@ This is a fork with UX improvements. Issues are tracked on the Gitea instance ab
 - ✅ QR Code Size Setting
 - ✅ Parse Temps from Comments
 - ✅ Prev/Next Navigation on Edit Pages
+- ✅ Price/Cost Tracking (remaining value, inventory value)
+- ✅ Print History on Spool Detail
+- ✅ Usage Analytics Dashboard
 - ✅ Color Column in Spool List (with filter)
 
 ### Issue #1 Complete - Inline Creation Modals
@@ -411,6 +414,67 @@ Multi-select spools with bulk archive/delete/move actions.
 - Archive, unarchive, delete, move to location
 - Confirmation modals for all destructive actions
 
+### Issue #14 Complete - Extra Weight Field
+
+Track extra weight from DryPods, custom spool holders, or other accessories.
+
+**Backend:**
+- `spoolman/database/models.py` - Added `extra_weight` column to Spool model
+- `spoolman/database/spool.py` - Updated `measure()` to account for extra weight
+- `spoolman/api/v1/spool.py` - Added `extra_weight` to create/update parameters
+- `migrations/versions/2025_01_21_0200-*.py` - Migration for extra_weight column
+
+**Frontend:**
+- `client/src/pages/spools/create.tsx` - Added extra_weight form field
+- `client/src/pages/spools/edit.tsx` - Added extra_weight form field
+- Weight calculations updated to include extra_weight in gross weight
+
+**Features:**
+- Optional field for tracking additional weight on spool
+- Automatically subtracted when measuring spool weight
+- Useful for DryPods, custom spool holders, reel adapters
+
+### Issue #15 Complete - Spool Count per Filament
+
+Already implemented - filament list shows `spool_count` and `total_remaining_weight` columns.
+
+### Price & Cost Tracking
+
+Track spool purchase price and calculate remaining value.
+
+**Backend:**
+- `spoolman/api/v1/models.py` - Added `remaining_value` computed field
+- Formula: `remaining_value = (remaining_weight / initial_weight) * price`
+- Price falls back to filament price if not set on spool
+
+**Frontend:**
+- `client/src/pages/spools/list.tsx` - Added remaining_value column (hidden by default)
+- `client/src/pages/home/components/QuickStats.tsx` - Added "Inventory Value" stat
+
+### Print History on Spool Detail
+
+Show print job history on the spool detail page.
+
+**Frontend:**
+- `client/src/pages/spools/show.tsx` - Added collapsible print history table
+- Fetches print jobs filtered by spool_id
+- Shows: Created date, Filename, Filament Used, Status, Finished date
+
+### Usage Analytics Dashboard
+
+Time-series charts showing filament consumption trends.
+
+**Backend:**
+- `spoolman/api/v1/other.py` - New analytics endpoints:
+  - `GET /analytics/usage?days=N` - Daily usage from SpoolAdjustments
+  - `GET /analytics/by-material?days=N` - Usage breakdown by material
+
+**Frontend:**
+- `client/src/pages/home/components/UsageAnalytics.tsx` - New component
+- Area chart showing daily consumption (recharts)
+- Period selector: 7, 30, or 90 days
+- Material breakdown cards showing usage by filament type
+
 ---
 
 ## Deployment