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TROUBLESHOOTING.md

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+# Troubleshooting Guide - Jellycleanarr TUI
+
+## Data Verification ✅
+
+The file **`jellycleanarr_data_dump.txt`** contains a complete dump of all API requests and responses.
+
+**Key findings**:
+- ✅ API connection working
+- ✅ 12 users found
+- ✅ 3 libraries found
+- ✅ Playback stats queries working
+- ✅ Data formatted correctly for tables
+
+Example data that should display:
+```
+HRiggs: 346 plays, 3h 9m watch time
+TV: 204 plays, 5d 1h 16m watch time
+Landman - s02e05: 13 plays
+```
+
+## Issue: Blank TUI
+
+The TUI header, tabs, and footer render, but the content area (tables) is blank.
+
+### Fixes Applied
+
+1. **API Client** - Fixed data format conversion from list-of-lists to dictionaries
+2. **StatsTable** - Moved column initialization to proper lifecycle method
+3. **CSS** - Added explicit height configuration
+
+### Things to Try
+
+#### 1. Run with Textual Developer Console
+
+Open two terminals:
+
+**Terminal 1:**
+```bash
+.venv/Scripts/python.exe -m textual console
+```
+
+**Terminal 2:**
+```bash
+.venv/Scripts/python.exe -m jellycleanarr
+```
+
+This will show you internal logs and help diagnose rendering issues.
+
+#### 2. Check Terminal Compatibility
+
+Some terminals don't render TUIs properly. Try running in:
+- Windows Terminal (recommended)
+- PowerShell
+- Git Bash
+- WSL terminal
+
+#### 3. Verify Data Loading
+
+Run the verification script:
+```bash
+.venv/Scripts/python.exe -c "import asyncio; from src.jellycleanarr.services.stats_service import StatsService; from src.jellycleanarr.api.client import JellyfinClient; from src.jellycleanarr.config import settings; async def test(): c = JellyfinClient(settings.jellyfin_address, settings.jellyfin_api_key); s = StatsService(c); m, l = await s.get_user_stats(limit=3); print(f'Users: {[(u.username, u.total_plays) for u in m]}'); await c.close(); asyncio.run(test())"
+```
+
+#### 4. Try Running with --dev Flag
+
+```bash
+.venv/Scripts/python.exe -m jellycleanarr --dev
+```
+
+#### 5. Check for Rendering in Specific Area
+
+Try pressing:
+- `r` to refresh
+- `1`, `2`, `3` to switch tabs
+- Resize the terminal window
+
+Sometimes TUI elements need a refresh or resize to render properly.
+
+#### 6. Update Textual
+
+Current version: `^0.83.0`
+
+Try updating to latest:
+```bash
+uv pip install --upgrade textual
+```
+
+## If Still Blank
+
+The data is definitely loading correctly (verified in dump file). The issue is likely:
+
+1. **CSS/Layout**: Tables exist but are hidden/collapsed
+2. **Textual Bug**: Version-specific rendering issue
+3. **Terminal**: Terminal emulator doesn't support required features
+
+### Alternative: Export Data
+
+Since the API is working, you could:
+1. Use the dump file for analysis
+2. Create a web-based version instead of TUI
+3. Export data to CSV/JSON for external viewing
+
+## Files for Review
+
+- `jellycleanarr_data_dump.txt` - Complete API data dump (1590 lines)
+- `DEBUGGING_NOTES.md` - Technical details on fixes applied
+- `FIXES.md` - Summary of all fixes
+
+## Contact/Support
+
+If the issue persists, the problem is likely environmental (terminal, Textual version, etc.) rather than with the code logic, since all data fetching and processing is confirmed working.