Fix dentistry migration MySQL index name length.

Shorten composite index names under the 64-character limit and recover partial deploys where treatment plans already exist.

Co-authored-by: Cursor <cursoragent@cursor.com>

database/migrations/2026_07_18_160000_create_care_dentistry_tables.php

@@ -56,7 +56,7 @@ return new class extends Migration
                 $table->timestamp('recorded_at')->nullable();
                 $table->timestamps();
 
-                $table->index(['dental_chart_id', 'recorded_at']);
+                $table->index(['dental_chart_id', 'recorded_at'], 'care_den_chart_events_chart_at_idx');
                 $table->index(['visit_id']);
             });
         }
@@ -78,7 +78,18 @@ return new class extends Migration
                 $table->timestamps();
                 $table->softDeletes();
 
-                $table->index(['organization_id', 'patient_id', 'status']);
+                $table->index(
+                    ['organization_id', 'patient_id', 'status'],
+                    'care_den_plans_org_pt_status_idx',
+                );
+            });
+        } elseif (! $this->hasIndex('care_dental_treatment_plans', 'care_den_plans_org_pt_status_idx')) {
+            // Partial deploy: table created before long auto index name failed (MySQL 64-char limit).
+            Schema::table('care_dental_treatment_plans', function (Blueprint $table) {
+                $table->index(
+                    ['organization_id', 'patient_id', 'status'],
+                    'care_den_plans_org_pt_status_idx',
+                );
             });
         }
 
@@ -98,7 +109,7 @@ return new class extends Migration
                 $table->text('notes')->nullable();
                 $table->timestamps();
 
-                $table->index(['treatment_plan_id', 'status']);
+                $table->index(['treatment_plan_id', 'status'], 'care_den_plan_items_plan_status_idx');
             });
         }
 
@@ -124,8 +135,8 @@ return new class extends Migration
                 $table->timestamp('performed_at')->nullable();
                 $table->timestamps();
 
-                $table->index(['visit_id', 'status']);
+                $table->index(['visit_id', 'status'], 'care_den_proc_visit_status_idx');
-                $table->index(['organization_id', 'procedure_code']);
+                $table->index(['organization_id', 'procedure_code'], 'care_den_proc_org_code_idx');
             });
         }
 
@@ -145,8 +156,8 @@ return new class extends Migration
                 $table->timestamp('captured_at')->nullable();
                 $table->timestamps();
 
-                $table->index(['visit_id', 'modality']);
+                $table->index(['visit_id', 'modality'], 'care_den_images_visit_mod_idx');
-                $table->index(['patient_id', 'captured_at']);
+                $table->index(['patient_id', 'captured_at'], 'care_den_images_patient_cap_idx');
             });
         }
 
@@ -171,6 +182,18 @@ return new class extends Migration
         }
     }
 
+    protected function hasIndex(string $table, string $indexName): bool
+    {
+        $connection = Schema::getConnection();
+        $database = $connection->getDatabaseName();
+        $row = $connection->selectOne(
+            'select 1 as ok from information_schema.statistics where table_schema = ? and table_name = ? and index_name = ? limit 1',
+            [$database, $table, $indexName],
+        );
+
+        return $row !== null;
+    }
+
     public function down(): void
     {
         Schema::dropIfExists('care_dental_visit_notes');