Add NocoDB events/RSVPs table config and improve session handling

- Add events and rsvps table ID fields to NocoDB settings dialog
- Replace mock getUserSession with proper SessionManager integration
- Improve type safety with explicit type casting and error handling
- Add comprehensive events system bug analysis documentation

components/NocoDBSettingsDialog.vue

@@ -101,6 +101,38 @@
               </div>
             </v-col>
 
+            <v-col cols="12">
+              <v-text-field
+                v-model="form.tables.events"
+                label="Events Table ID"
+                variant="outlined"
+                :rules="[rules.required]"
+                required
+                placeholder="events-table-id"
+                :error="hasFieldError('tables.events')"
+                :error-messages="getFieldError('tables.events')"
+              />
+              <div class="text-caption text-medium-emphasis mt-1">
+                Configure the table ID for the Events functionality
+              </div>
+            </v-col>
+
+            <v-col cols="12">
+              <v-text-field
+                v-model="form.tables.rsvps"
+                label="RSVPs Table ID"
+                variant="outlined"
+                :rules="[rules.required]"
+                required
+                placeholder="rsvps-table-id"
+                :error="hasFieldError('tables.rsvps')"
+                :error-messages="getFieldError('tables.rsvps')"
+              />
+              <div class="text-caption text-medium-emphasis mt-1">
+                Configure the table ID for the Event RSVPs functionality
+              </div>
+            </v-col>
+
             <v-col cols="12">
               <v-divider class="my-2" />
             </v-col>
@@ -217,7 +249,11 @@ const form = ref<NocoDBSettings>({
   url: 'https://database.monacousa.org',
   apiKey: '',
   baseId: '',
-  tables: { members: '' }
+  tables: { 
+    members: '',
+    events: '',
+    rsvps: ''
+  }
 });
 
 // Error handling
@@ -268,9 +304,13 @@ const loadSettings = async () => {
     
     if (response.success && response.data) {
       form.value = { ...response.data };
-      // Ensure tables object exists
+      // Ensure tables object exists with all required fields
       if (!form.value.tables) {
-        form.value.tables = { members: '' };
+        form.value.tables = { 
+          members: '',
+          events: '',
+          rsvps: ''
+        };
       }
     }
   } catch (error: any) {
@@ -363,7 +403,11 @@ const resetForm = () => {
     url: 'https://database.monacousa.org',
     apiKey: '',
     baseId: '',
-    tables: { members: '' }
+    tables: { 
+      members: '',
+      events: '',
+      rsvps: ''
+    }
   };
   clearFieldErrors();
   connectionStatus.value = null;