chore(deps): bump flutter_gemma from 0.12.0 to 0.12.5

[dependabot]

Bumps flutter_gemma from 0.12.0 to 0.12.5.

Release notes

Sourced from flutter_gemma's releases.

Release v0.12.5

Pre-converted tokenizer.json files for iOS embedding models (avoids SentencePiece/TFLite protobuf conflict).

Release v0.12.3

JAR for desktop support

Changelog

Sourced from flutter_gemma's changelog.

0.12.5

• iOS Tokenizer Rewrite: Replaced SentencePiece C++ with pure Swift tokenizers (BPE + Unigram)
  • Eliminates protobuf symbol conflict between SentencePiece and TensorFlow Lite (#184)
  • Auto-detects tokenizer type from model.type field in tokenizer.json
  • Supports both EmbeddingGemma (BPE) and Gecko (Unigram) models
• HNSW Vector Search: O(log n) approximate nearest neighbor search for VectorStore
  • Cross-platform: Android (Kotlin), iOS (Swift), Web (JavaScript)
  • Configurable M and efConstruction parameters
  • Falls back to brute-force for small datasets
• iOS Embeddings: iosPath parameter for platform-aware tokenizer downloads
  • Pre-converted tokenizer.json files on CDN (no SentencePiece dependency on iOS)
• Desktop JAR Fix: Updated litertlm-server.jar URL to v0.12.5 (#189)
• Bug Fixes:
  • Fixed iOS embedder crash due to protobuf symbol conflict (#184)
  • Removed deprecated package attribute from AndroidManifest.xml

0.12.4

• Android ProGuard Fix: Added ProGuard rules for LiteRT-LM classes (#185)

0.12.3

• Android LiteRT-LM Engine: Added LiteRT-LM inference engine for Android
  • Automatic engine selection based on file extension (.litertlm → LiteRT-LM, .task/.bin → MediaPipe)
  • NPU acceleration support (Qualcomm, MediaTek, Google Tensor)
• Audio Input Support: Audio input for Gemma 3n models via LiteRT-LM
  • Platforms: Android + Desktop (macOS, Windows, Linux)
  • WAV format (16kHz, mono, 16-bit PCM)
  • supportAudio parameter in session configuration
• Desktop LiteRT-LM Fixes: Fixed text chat and audio on desktop platforms
  • Switched from Flow-based to Callback-based async API (matches Android)
  • Audio transcription now works correctly
• Bug Fixes:
  • Fixed model deletion not removing metadata
  • Fixed model creation failure blocking switching to another model
  • Fixed download issues for large models

0.12.2

• Model Deletion Fix: Fixed model deletion not removing metadata (#169)
• Model Switch Fix: Fixed model creation failure blocking switching to another model (#170)
• Android SDK: Updated to API 36

0.12.1

• Web Large Model Support: WebStorageMode for models >2GB via OPFS streaming (#162)
• Desktop JAR Checksum Fix: Fixed JAR checksum mismatch in setup scripts (#167)

Commits

• 96b881f Merge pull request #186 from DenisovAV/fix/proguard-litertlm
• e96d6a5 Add ProGuard rules for LiteRT-LM (#185)
• 5a41b1c Merge pull request #183 from DenisovAV/feature/audio-input
• 5f06486 Update Podfile.lock for v0.12.3
• f7430f0 Merge pull request #182 from DenisovAV/feature/audio-input
• 4400f87 Update prepare_resources.sh: Zulu JRE 24 and JAR 0.12.3
• 85e3e1d Fix background_downloader_service_test: mock plugin channel
• 63eec14 Fix lint warnings in pigeon_support_audio_test.dart
• 8d9b596 Upgrade to Azul Zulu JRE 24 and bump server version to 0.12.3
• b4bed19 Add desktopUrl for gemma3n_2B_litertlm and gemma3n_4B_litertlm models
• Additional commits viewable in compare view

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[dependabot]

Superseded by #21.