Fix error logging and metadata

docs/ERROR_LOGGING_FIX_COMPLETE.md

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+# Error Logging Fix - Complete ✅
+
+**Date:** 2025-11-03  
+**Status:** COMPLETE
+
+## Problem Summary
+The error logging system had critical database schema mismatches that prevented proper error tracking:
+1. Missing `timezone` and `referrer` columns in `request_metadata` table
+2. Application code expected breadcrumbs to be pre-fetched but wasn't passing environment data
+3. Database function signature didn't match application calls
+
+## Solution Implemented
+
+### 1. Database Schema Fix (Migration)
+```sql
+-- Added missing environment columns
+ALTER TABLE public.request_metadata
+ADD COLUMN IF NOT EXISTS timezone TEXT,
+ADD COLUMN IF NOT EXISTS referrer TEXT;
+
+-- Added index for better breadcrumbs performance
+CREATE INDEX IF NOT EXISTS idx_request_breadcrumbs_request_id 
+ON public.request_breadcrumbs(request_id);
+
+-- Updated log_request_metadata function
+-- Now accepts p_timezone and p_referrer parameters
+```
+
+### 2. Application Code Updates
+
+#### `src/lib/requestTracking.ts`
+- ✅ Added `captureEnvironmentContext()` import
+- ✅ Captures environment context on error
+- ✅ Passes `timezone` and `referrer` to database function
+- ✅ Updated `RequestMetadata` interface with new fields
+
+#### `src/components/admin/ErrorDetailsModal.tsx`
+- ✅ Added missing imports (`useState`, `useEffect`, `supabase`)
+- ✅ Simplified to use breadcrumbs from parent query (already fetched)
+- ✅ Displays timezone and referrer in Environment tab
+- ✅ Removed unused state management
+
+#### `src/pages/admin/ErrorMonitoring.tsx`
+- ✅ Already correctly fetches breadcrumbs from `request_breadcrumbs` table
+- ✅ No changes needed - working as expected
+
+## Architecture: Full Relational Structure
+
+Following the project's **"NO JSON OR JSONB"** policy:
+- ✅ Breadcrumbs stored in separate `request_breadcrumbs` table
+- ✅ Environment data stored as direct columns (`timezone`, `referrer`, `user_agent`, etc.)
+- ✅ No JSONB in active data structures
+- ✅ Legacy `p_environment_context` parameter kept for backward compatibility (receives empty string)
+
+## What Now Works
+
+### Error Capture
+```typescript
+try {
+  // Your code
+} catch (error) {
+  handleError(error, { 
+    action: 'Action Name',
+    userId: user?.id,
+    metadata: { /* context */ }
+  });
+}
+```
+
+**Captures:**
+- ✅ Full stack trace (up to 5000 chars)
+- ✅ Last 10 breadcrumbs (navigation, actions, API calls)
+- ✅ Environment context (timezone, referrer, user agent, client version)
+- ✅ Request metadata (endpoint, method, duration)
+- ✅ User context (user ID if authenticated)
+
+### Error Monitoring Dashboard (`/admin/error-monitoring`)
+- ✅ Lists recent errors with filtering
+- ✅ Search by request ID, endpoint, or message
+- ✅ Date range filtering (1h, 24h, 7d, 30d)
+- ✅ Error type filtering
+- ✅ Auto-refresh every 30 seconds
+- ✅ Error analytics overview
+
+### Error Details Modal
+- ✅ **Overview Tab:** Request ID, timestamp, endpoint, method, status, duration, user
+- ✅ **Stack Trace Tab:** Full error stack (if available)
+- ✅ **Breadcrumbs Tab:** User actions leading to error (sorted by sequence)
+- ✅ **Environment Tab:** Timezone, referrer, user agent, client version, IP hash
+- ✅ Copy error ID (short reference for support)
+- ✅ Copy full error report (for sharing with devs)
+
+### Error Lookup (`/admin/error-lookup`)
+- ✅ Quick search by short reference ID (first 8 chars)
+- ✅ Direct link from user-facing error messages
+
+## Testing Checklist
+
+- [x] Database migration applied successfully
+- [x] New columns exist in `request_metadata` table
+- [x] `log_request_metadata` function accepts new parameters
+- [x] Application code compiles without errors
+- [ ] **Manual Test Required:** Trigger an error and verify:
+  - [ ] Error appears in `/admin/error-monitoring`
+  - [ ] Click error shows all tabs with data
+  - [ ] Breadcrumbs display correctly
+  - [ ] Environment tab shows timezone and referrer
+  - [ ] Copy functions work
+
+## Performance Notes
+
+- Breadcrumbs query is indexed (`idx_request_breadcrumbs_request_id`)
+- Breadcrumbs limited to last 10 per request (prevents memory bloat)
+- Error stack traces limited to 5000 chars
+- Fire-and-forget logging (doesn't block user operations)
+
+## Related Files
+
+- `src/lib/requestTracking.ts` - Request/error tracking service
+- `src/lib/errorHandler.ts` - Error handling utilities
+- `src/lib/errorBreadcrumbs.ts` - Breadcrumb capture system
+- `src/lib/environmentContext.ts` - Environment data capture
+- `src/pages/admin/ErrorMonitoring.tsx` - Error monitoring dashboard
+- `src/components/admin/ErrorDetailsModal.tsx` - Error details modal
+- `docs/ERROR_TRACKING.md` - Full system documentation
+- `docs/LOGGING_POLICY.md` - Logging policy and best practices
+
+## Next Steps (Optional Enhancements)
+
+1. Add error trending graphs (error count over time)
+2. Add error grouping by stack trace similarity
+3. Add user notification when their error is resolved
+4. Add automatic error assignment to developers
+5. Add integration with external monitoring (Sentry, etc.)