fix: move LLMs back to Obj-C / Kotlin (#497)

## Description

We've observed that under the new C++ JSI architecture the performance
of LLMs downgrades significantly. While we work on this issue, this PR
reverts the changes made with the new architecture.

### Introduces a breaking change?

- [ ] Yes
- [ ] No

### Type of change

- [ ] Bug fix (change which fixes an issue)
- [ ] New feature (change which adds functionality)
- [ ] Documentation update (improves or adds clarity to existing
documentation)
- [ ] Other (chores, tests, code style improvements etc.)

### Tested on

- [ ] iOS
- [ ] Android

### Testing instructions

<!-- Provide step-by-step instructions on how to test your changes.
Include setup details if necessary. -->

### Screenshots

<!-- Add screenshots here, if applicable -->

### Related issues

<!-- Link related issues here using #issue-number -->

### Checklist

- [ ] I have performed a self-review of my code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have updated the documentation accordingly
- [ ] My changes generate no new warnings

### Additional notes

<!-- Include any additional information, assumptions, or context that
reviewers might need to understand this PR. -->

Author: chmjkb

apps/llm/ios/Podfile.lock

@@ -2153,9 +2153,9 @@ PODS:
     - ReactCommon/turbomodule/core
     - Yoga
   - SocketRocket (0.7.1)
-  - sqlite3 (3.50.1):
-    - sqlite3/common (= 3.50.1)
-  - sqlite3/common (3.50.1)
+  - sqlite3 (3.50.4):
+    - sqlite3/common (= 3.50.4)
+  - sqlite3/common (3.50.4)
   - Yoga (0.0.0)
 
 DEPENDENCIES:
@@ -2444,97 +2444,97 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   boost: 7e761d76ca2ce687f7cc98e698152abd03a18f90
   DoubleConversion: cb417026b2400c8f53ae97020b2be961b59470cb
-  EXConstants: be238322d57d084dc055dbd5d6fe6479510504ce
-  Expo: 77b39f42396989cbe6fbef9f6fafc9b35186a95b
-  ExpoAsset: 3ea3275cca6a7793b3d36fbf1075c590f803fbcb
-  ExpoBrightness: 05e750736f8886dcf235212b0caf85b0f605fc88
-  ExpoCalendar: 660542dc1c5ef98f46bedcc8745aa707df5d501a
-  ExpoFileSystem: 3a98ca2a6f13674ecfd97327d1b44a8ace444cbd
-  ExpoFont: 312c73403bbd4f98e1d6a5330641a56292583cd2
-  ExpoHead: 5df88545652c2d3a3ea50bcd7f6be6ca935ac997
-  ExpoKeepAwake: e8dedc115d9f6f24b153ccd2d1d8efcdfd68a527
-  ExpoLinking: 5d151d4a497d7e375308602f0a89b4e8acf7b5f8
-  ExpoModulesCore: e2e363bcdee87b46f858586d1887ebb215582001
+  EXConstants: 9f310f44bfedba09087042756802040e464323c0
+  Expo: 4e8bda07d30b024b1732f87843a5349a3ecc1316
+  ExpoAsset: 3bc9adb7dbbf27ae82c18ca97eb988a3ae7e73b1
+  ExpoBrightness: c335c6ccc082d5249a4b38dba5cd9a08aa0bf62b
+  ExpoCalendar: f5f94ea8dcd957b1434beb4e1c0da1af063322e6
+  ExpoFileSystem: c36eb8155eb2381c83dda7dc210e3eec332368b6
+  ExpoFont: abbb91a911eb961652c2b0a22eef801860425ed6
+  ExpoHead: af044f3e9c99e7d8d21bf653b4c2f2ef53a7f082
+  ExpoKeepAwake: bf0811570c8da182bfb879169437d4de298376e7
+  ExpoLinking: b85ff4eafeae6fc638c6cace60007ae521af0ef4
+  ExpoModulesCore: d431ffe83c8673d02cb38425594a5f5480fd3061
   fast_float: 06eeec4fe712a76acc9376682e4808b05ce978b6
   FBLazyVector: 84b955f7b4da8b895faf5946f73748267347c975
   fmt: a40bb5bd0294ea969aaaba240a927bd33d878cdd
   glog: 5683914934d5b6e4240e497e0f4a3b42d1854183
   hermes-engine: 314be5250afa5692b57b4dd1705959e1973a8ebe
   opencv-rne: 2305807573b6e29c8c87e3416ab096d09047a7a0
-  RCT-Folly: 36fe2295e44b10d831836cc0d1daec5f8abcf809
+  RCT-Folly: e78785aa9ba2ed998ea4151e314036f6c49e6d82
   RCTDeprecation: 83ffb90c23ee5cea353bd32008a7bca100908f8c
   RCTRequired: eb7c0aba998009f47a540bec9e9d69a54f68136e
   RCTTypeSafety: 659ae318c09de0477fd27bbc9e140071c7ea5c93
   React: c2d3aa44c49bb34e4dfd49d3ee92da5ebacc1c1c
   React-callinvoker: 1bdfb7549b5af266d85757193b5069f60659ef9d
-  React-Core: 7150cf9b6a5af063b37003062689f1691e79c020
-  React-CoreModules: 15a85e6665d61678942da6ae485b351f4c699049
-  React-cxxreact: 74f9de59259ac951923f5726aa14f0398f167af9
+  React-Core: 10597593fdbae06f0089881e025a172e51d4a769
+  React-CoreModules: 6907b255529dd46895cf687daa67b24484a612c2
+  React-cxxreact: a9f5b8180d6955bc3f6a3fcd657c4d9b4d95c1f6
   React-debug: e74e76912b91e08d580c481c34881899ccf63da9
-  React-defaultsnativemodule: 628285212bbd65417d40ad6a9f8781830fda6c98
-  React-domnativemodule: 185d9808198405c176784aaf33403d713bd24fb7
-  React-Fabric: c814804affbe1952e16149ddd20256e1bccae67e
-  React-FabricComponents: 81ef47d596966121784afec9924f9562a29b1691
-  React-FabricImage: f14f371d678aa557101def954ac3ba27e48948ff
+  React-defaultsnativemodule: 11f6ee2cf69bf3af9d0f28a6253def33d21b5266
+  React-domnativemodule: f940bbc4fa9e134190acbf3a4a9f95621b5a8f51
+  React-Fabric: 6f5c357bf3a42ff11f8844ad3fc7a1eb04f4b9de
+  React-FabricComponents: 10e0c0209822ac9e69412913a8af1ca33573379b
+  React-FabricImage: f582e764072dfa4715ae8c42979a5bace9cbcc12
   React-featureflags: d5facceff8f8f6de430e0acecf4979a9a0839ba9
-  React-featureflagsnativemodule: 96f0ab285382d95c90f663e02526a5ceefa95a11
-  React-graphics: 1a66ee0a3f093b125b853f6370296fadcaf6f233
-  React-hermes: 8b86e5f54a65ecb69cdf22b3a00a11562eda82d2
-  React-idlecallbacksnativemodule: 5c25ab145c602264d00cb26a397ab52e0efa031c
-  React-ImageManager: 15e34bd5ef1ac4a18e96660817ef70a7f99ee8c2
-  React-jserrorhandler: 02cdf2cd45350108be1ffd2b164578936dbbdff7
-  React-jsi: 6af1987cfbb1b6621664fdbf6c7b62bd4d38c923
-  React-jsiexecutor: 51f372998e0303585cb0317232b938d694663cbd
-  React-jsinspector: 3539ad976d073bfaa8a7d2fa9bef35e70e55033e
-  React-jsinspectortracing: e8dbacaf67c201f23052ca1c2bae2f7b84dec443
-  React-jsitooling: 95a34f41e3c249d42181de13b4f8d854f178ca9f
-  React-jsitracing: 25b029cf5cad488252d46da19dd8c4c134fd5fe4
-  React-logger: 368570a253f00879a1e4fea24ed4047e72e7bbf3
-  React-Mapbuffer: c04fcda1c6281fc0a6824c7dcc1633dd217ac1ec
-  React-microtasksnativemodule: ca2804a25fdcefffa0aa942aa23ab53b99614a34
-  react-native-executorch: 66ffc33df70ec85bc591f9ee34c862835966ead3
-  react-native-safe-area-context: 00d03dc688ba86664be66f9e3f203fc7d747d899
-  React-NativeModulesApple: 452b86b29fae99ed0a4015dca3ad9cd222f88abf
+  React-featureflagsnativemodule: a7dd141f1ef4b7c1331af0035689fbc742a49ff4
+  React-graphics: 36ae3407172c1c77cea29265d2b12b90aaef6aa0
+  React-hermes: 9116d4e6d07abeb519a2852672de087f44da8f12
+  React-idlecallbacksnativemodule: ae7f5ffc6cf2d2058b007b78248e5b08172ad5c3
+  React-ImageManager: 9daee0dc99ad6a001d4b9e691fbf37107e2b7b54
+  React-jserrorhandler: 1e6211581071edaf4ecd5303147328120c73f4dc
+  React-jsi: 753ba30c902f3a41fa7f956aca8eea3317a44ee6
+  React-jsiexecutor: 47520714aa7d9589c51c0f3713dfbfca4895d4f9
+  React-jsinspector: cfd27107f6d6f1076a57d88c932401251560fe5f
+  React-jsinspectortracing: 76a7d791f3c0c09a0d2bf6f46dfb0e79a4fcc0ac
+  React-jsitooling: 995e826570dd58f802251490486ebd3244a037ab
+  React-jsitracing: 094ae3d8c123cea67b50211c945b7c0443d3e97b
+  React-logger: 8edfcedc100544791cd82692ca5a574240a16219
+  React-Mapbuffer: c3f4b608e4a59dd2f6a416ef4d47a14400194468
+  React-microtasksnativemodule: 054f34e9b82f02bd40f09cebd4083828b5b2beb6
+  react-native-executorch: 88c3786c6346d5fbd62417b5c799e818568e6cc5
+  react-native-safe-area-context: 562163222d999b79a51577eda2ea8ad2c32b4d06
+  React-NativeModulesApple: 2c4377e139522c3d73f5df582e4f051a838ff25e
   React-oscompat: ef5df1c734f19b8003e149317d041b8ce1f7d29c
-  React-perflogger: 6fd2f6811533e9c19a61e855c3033eecbf4ad2a0
-  React-performancetimeline: abf31259d794c9274b3ea19c5016186925eec6c4
+  React-perflogger: 9a151e0b4c933c9205fd648c246506a83f31395d
+  React-performancetimeline: 5b0dfc0acba29ea0269ddb34cd6dd59d3b8a1c66
   React-RCTActionSheet: a499b0d6d9793886b67ba3e16046a3fef2cdbbc3
-  React-RCTAnimation: 2595dcb10a82216a511b54742f8c28d793852ac6
-  React-RCTAppDelegate: f03604b70f57c9469a84a159d8abecf793a5bcff
-  React-RCTBlob: e00f9b4e2f151938f4d9864cf33ebf24ac03328a
-  React-RCTFabric: 3945d116fd271598db262d4e6ed5691d431ed9e8
-  React-RCTFBReactNativeSpec: 0f4d4f0da938101f2ca9d5333a8f46e527ad2819
-  React-RCTImage: dac5e9f8ec476aefe6e60ee640ebc1dfaf1a4dbe
-  React-RCTLinking: 494b785a40d952a1dfbe712f43214376e5f0e408
-  React-RCTNetwork: b3d7c30cd21793e268db107dd0980cb61b3c1c44
-  React-RCTRuntime: a8ff419d437228e7b8a793b14f9d711e1cbb82af
-  React-RCTSettings: a060c7e381a3896104761b8eed7e284d95e37df3
-  React-RCTText: 4f272b72dbb61f390d8c8274528f9fdbff983806
-  React-RCTVibration: 0e5326220719aca12473d703aa46693e3b4ce67a
+  React-RCTAnimation: cc64adc259aabc3354b73065e2231d796dfce576
+  React-RCTAppDelegate: 9d523da768f1c9e84c5f3b7e3624d097dfb0e16b
+  React-RCTBlob: e727f53eeefded7e6432eb76bd22b57bc880e5d1
+  React-RCTFabric: 58590aa4fdb4ad546c06a7449b486cf6844e991f
+  React-RCTFBReactNativeSpec: 9064c63d99e467a3893e328ba3612745c3c3a338
+  React-RCTImage: 7159cbdbb18a09d97ba1a611416eced75b3ccb29
+  React-RCTLinking: 46293afdb859bccc63e1d3dedc6901a3c04ef360
+  React-RCTNetwork: 4a6cd18f5bcd0363657789c64043123a896b1170
+  React-RCTRuntime: 5ab904fd749aa52f267ef771d265612582a17880
+  React-RCTSettings: 61e361dc85136d1cb0e148b7541993d2ee950ea7
+  React-RCTText: abd1e196c3167175e6baef18199c6d9d8ac54b4e
+  React-RCTVibration: 490e0dcb01a3fe4a0dfb7bc51ad5856d8b84f343
   React-rendererconsistency: 351fdbc5c1fe4da24243d939094a80f0e149c7a1
-  React-renderercss: d333f2ada83969591100d91ec6b23ca2e17e1507
-  React-rendererdebug: 039e5949b72ba63c703de020701e3fd152434c61
+  React-renderercss: 3438814bee838ae7840a633ab085ac81699fd5cf
+  React-rendererdebug: 0ac2b9419ad6f88444f066d4b476180af311fb1e
   React-rncore: 57ed480649bb678d8bdc386d20fee8bf2b0c307c
-  React-RuntimeApple: 344a5e1105256000afabaa8df12c3e4cab880340
-  React-RuntimeCore: 0e48fb5e5160acc0334c7a723a42d42cef4b58b6
+  React-RuntimeApple: 8b7a9788f31548298ba1990620fe06b40de65ad7
+  React-RuntimeCore: e03d96fbd57ce69fd9bca8c925942194a5126dbc
   React-runtimeexecutor: d60846710facedd1edb70c08b738119b3ee2c6c2
-  React-RuntimeHermes: 064286a03871d932c99738e0f8ef854962ab4b99
-  React-runtimescheduler: e917ab17ae08c204af1ebf8f669b7e411b0220c8
+  React-RuntimeHermes: aab794755d9f6efd249b61f3af4417296904e3ba
+  React-runtimescheduler: c3cd124fa5db7c37f601ee49ca0d97019acd8788
   React-timing: a90f4654cbda9c628614f9bee68967f1768bd6a5
-  React-utils: 51c4e71608b8133fecc9a15801d244ae7bdf3758
-  ReactAppDependencyProvider: d5dcc564f129632276bd3184e60f053fcd574d6b
-  ReactCodegen: c9a256facbe4996140f3fb95c7f03ba61c12acc9
-  ReactCommon: 4d0da92a5eb8da86c08e3ec34bd23ab439fb2461
-  RNAudioAPI: f93e51adeee0911c8c6629a56f6df35edc60c084
-  RNDeviceInfo: feea80a690d2bde1fe51461cf548039258bd03f2
-  RNGestureHandler: ccf4105b125002bd88e39d2a1f2b7e6001bcdf34
-  RNLiveAudioStream: 02584d52711b6b9f268cb371a4b1bdd76ab3e079
-  RNReanimated: c567de23384730756bb19ff55490819980536b09
-  RNScreens: c2e3cc506212228c607b4785b315205e28acbf0f
-  RNSVG: ee32efbed652c5151fd3f98bed13c68af285bc38
+  React-utils: a612d50555b6f0f90c74b7d79954019ad47f5de6
+  ReactAppDependencyProvider: 04d5eb15eb46be6720e17a4a7fa92940a776e584
+  ReactCodegen: 7ea266ccd94436294f516247db7402b57b1214af
+  ReactCommon: 76d2dc87136d0a667678668b86f0fca0c16fdeb0
+  RNAudioAPI: 2e3fd4bf75aa5717791babb30126707504996f09
+  RNDeviceInfo: d863506092aef7e7af3a1c350c913d867d795047
+  RNGestureHandler: 7d0931a61d7ba0259f32db0ba7d0963c3ed15d2b
+  RNLiveAudioStream: 93ac2bb6065be9018d0b00157b220f11cebc1513
+  RNReanimated: afd6a269a47d6f13ba295c46c6c0e14e3cbd0d8a
+  RNScreens: 482e9707f9826230810c92e765751af53826d509
+  RNSVG: 794f269526df9ddc1f79b3d1a202b619df0368e3
   SocketRocket: d4aabe649be1e368d1318fdf28a022d714d65748
-  sqlite3: 1d85290c3321153511f6e900ede7a1608718bbd5
-  Yoga: 9f110fc4b7aa538663cba3c14cbb1c335f43c13f
+  sqlite3: 73513155ec6979715d3904ef53a8d68892d4032b
+  Yoga: c758bfb934100bb4bf9cbaccb52557cee35e8bdf
 
 PODFILE CHECKSUM: bba19a069e673f2259009e9d2caab44374fdebcf
 

apps/llm/ios/llm.xcodeproj/project.pbxproj

@@ -26,14 +26,14 @@
 		63C842393C3838DA2ECEFC7C /* Pods-llm.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-llm.release.xcconfig"; path = "Target Support Files/Pods-llm/Pods-llm.release.xcconfig"; sourceTree = "<group>"; };
 		8CD8BF58A368F789F1E7DF50 /* ExpoModulesProvider.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = ExpoModulesProvider.swift; path = "Pods/Target Support Files/Pods-llm/ExpoModulesProvider.swift"; sourceTree = "<group>"; };
 		AA286B85B6C04FC6940260E9 /* SplashScreen.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = SplashScreen.storyboard; path = llm/SplashScreen.storyboard; sourceTree = "<group>"; };
-		B79E360E00239D910BF9B38D /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; includeInIndex = 1; name = PrivacyInfo.xcprivacy; path = llm/PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
+		B79E360E00239D910BF9B38D /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xml; name = PrivacyInfo.xcprivacy; path = llm/PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
 		BB2F792C24A3F905000567C9 /* Expo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Expo.plist; sourceTree = "<group>"; };
-		E8C01EF33FCE4105BBBC9DF6 /* Aeonik-Medium.otf */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = undefined; includeInIndex = 0; lastKnownFileType = unknown; name = "Aeonik-Medium.otf"; path = "../assets/fonts/Aeonik-Medium.otf"; sourceTree = "<group>"; };
+		E8C01EF33FCE4105BBBC9DF6 /* Aeonik-Medium.otf */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = 9; includeInIndex = 0; lastKnownFileType = unknown; name = "Aeonik-Medium.otf"; path = "../assets/fonts/Aeonik-Medium.otf"; sourceTree = "<group>"; };
 		ED297162215061F000B7C4FE /* JavaScriptCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = JavaScriptCore.framework; path = System/Library/Frameworks/JavaScriptCore.framework; sourceTree = SDKROOT; };
 		F11748412D0307B40044C1D9 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = AppDelegate.swift; path = llm/AppDelegate.swift; sourceTree = "<group>"; };
 		F11748442D0722820044C1D9 /* llm-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = "llm-Bridging-Header.h"; path = "llm/llm-Bridging-Header.h"; sourceTree = "<group>"; };
 		F5CE0775ADE5923FA417B603 /* libPods-llm.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-llm.a"; sourceTree = BUILT_PRODUCTS_DIR; };
-		F866B7979FB94C8797EE2E3D /* Aeonik-Regular.otf */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = undefined; includeInIndex = 0; lastKnownFileType = unknown; name = "Aeonik-Regular.otf"; path = "../assets/fonts/Aeonik-Regular.otf"; sourceTree = "<group>"; };
+		F866B7979FB94C8797EE2E3D /* Aeonik-Regular.otf */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = 9; includeInIndex = 0; lastKnownFileType = unknown; name = "Aeonik-Regular.otf"; path = "../assets/fonts/Aeonik-Regular.otf"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -93,7 +93,6 @@
 				4F489A14802F01369BFDDEFD /* Pods-llm.debug.xcconfig */,
 				63C842393C3838DA2ECEFC7C /* Pods-llm.release.xcconfig */,
 			);
-			name = Pods;
 			path = Pods;
 			sourceTree = "<group>";
 		};
@@ -135,7 +134,6 @@
 				E8C01EF33FCE4105BBBC9DF6 /* Aeonik-Medium.otf */,
 			);
 			name = Resources;
-			path = "";
 			sourceTree = "<group>";
 		};
 		BB2F792B24A3F905000567C9 /* Supporting */ = {
@@ -355,6 +353,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = llm/llm.entitlements;
 				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = "";
 				ENABLE_BITCODE = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
@@ -391,6 +390,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = llm/llm.entitlements;
 				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = llm/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 15.1;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -468,10 +468,7 @@
 				LIBRARY_SEARCH_PATHS = "$(SDKROOT)/usr/lib/swift\"$(inherited)\"";
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
-				OTHER_LDFLAGS = (
-					"$(inherited)",
-					" ",
-				);
+				OTHER_LDFLAGS = "$(inherited)  ";
 				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../../node_modules/react-native";
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "$(inherited) DEBUG";
@@ -526,10 +523,7 @@
 				);
 				LIBRARY_SEARCH_PATHS = "$(SDKROOT)/usr/lib/swift\"$(inherited)\"";
 				MTL_ENABLE_DEBUG_INFO = NO;
-				OTHER_LDFLAGS = (
-					"$(inherited)",
-					" ",
-				);
+				OTHER_LDFLAGS = "$(inherited)  ";
 				REACT_NATIVE_PATH = "${PODS_ROOT}/../../../../node_modules/react-native";
 				SDKROOT = iphoneos;
 				USE_HERMES = true;