fix(ios): avoid TCC prompt on Mac Catalyst by using Application Support

native/ios/WatermelonDB/DatabasePlatformIOS.mm

@@ -19,6 +19,39 @@ void initializeSqlite() {
 }
 
 std::string resolveDatabasePath(std::string path) {
+#if TARGET_OS_MACCATALYST
+    // On Mac Catalyst (unsandboxed), NSDocumentDirectory resolves to
+    // ~/Documents and any access there triggers the macOS TCC prompt
+    // asking the user to grant access to their Documents folder at
+    // launch. Use Application Support instead — per-app, private to the
+    // bundle, and never triggers TCC.
+    //
+    // We intentionally don't migrate from the legacy ~/Documents path:
+    // probing for a legacy file would itself trigger the TCC prompt
+    // we're trying to avoid.
+    NSError *err = nil;
+    NSURL *appSupport = [NSFileManager.defaultManager URLForDirectory:NSApplicationSupportDirectory
+                                                             inDomain:NSUserDomainMask
+                                                    appropriateForURL:nil
+                                                               create:YES
+                                                                error:&err];
+
+    if (err) {
+        NSLog(@"Error: %@", err);
+        throw std::runtime_error("Failed to resolve database path - could not find Application Support URL");
+    }
+
+    NSString *bundleId = [[NSBundle mainBundle] bundleIdentifier] ?: @"WatermelonDB";
+    NSURL *dir = [appSupport URLByAppendingPathComponent:bundleId isDirectory:YES];
+    [NSFileManager.defaultManager createDirectoryAtURL:dir
+                           withIntermediateDirectories:YES
+                                            attributes:nil
+                                                 error:nil];
+    NSString *dbPath = [dir URLByAppendingPathComponent:
+                       [NSString stringWithFormat:@"%s.db", path.c_str()]].path;
+
+    return std::string([dbPath cStringUsingEncoding:NSUTF8StringEncoding]);
+#else
     // Default: app documents/<name>.db
     NSError *err = nil;
     NSURL *documentsUrl = [NSFileManager.defaultManager URLForDirectory:NSDocumentDirectory
@@ -36,6 +69,7 @@ void initializeSqlite() {
                       [NSString stringWithFormat:@"%s.db", path.c_str()]].path;
 
     return std::string([dbPath cStringUsingEncoding:NSUTF8StringEncoding]);
+#endif
 }
 
 void deleteDatabaseFile(std::string path, bool warnIfDoesNotExist) {

native/ios/WatermelonDB/objc/WMDatabaseDriver.m

@@ -25,13 +25,37 @@ - (NSString *) pathForName:(NSString *)dbName
     if ([dbName hasPrefix:@"file:"] || [dbName containsString:@"/"]) {
         return dbName;
     } else {
+#if TARGET_OS_MACCATALYST
+        // On Mac Catalyst (unsandboxed), NSDocumentDirectory resolves to
+        // ~/Documents and any access there triggers the macOS TCC prompt
+        // asking the user to grant access to their Documents folder at
+        // launch. Use Application Support instead — per-app, private to
+        // the bundle, and never triggers TCC.
+        //
+        // We intentionally don't migrate from the legacy ~/Documents path:
+        // probing for a legacy file would itself trigger the TCC prompt
+        // we're trying to avoid.
+        NSURL *appSupport = [[NSFileManager defaultManager] URLForDirectory:NSApplicationSupportDirectory
+                                                                   inDomain:NSUserDomainMask
+                                                          appropriateForURL:nil
+                                                                     create:YES
+                                                                      error:nil];
+        NSString *bundleId = [[NSBundle mainBundle] bundleIdentifier] ?: @"WatermelonDB";
+        NSURL *dir = [appSupport URLByAppendingPathComponent:bundleId isDirectory:YES];
+        [[NSFileManager defaultManager] createDirectoryAtURL:dir
+                                 withIntermediateDirectories:YES
+                                                  attributes:nil
+                                                       error:nil];
+        return [[dir URLByAppendingPathComponent:[NSString stringWithFormat:@"%@.db", dbName]] path];
+#else
         NSURL *url = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory
                                                             inDomain:NSUserDomainMask
                                                    appropriateForURL:nil
                                                               create:false
                                                                error:nil];
 
         return [[url URLByAppendingPathComponent:[NSString stringWithFormat:@"%@.db", dbName]] path];
+#endif
     }
 }