feat(local-ai): guided model tier selection by device capability#120
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Add tiered model presets (Low/Medium/High) with device-aware recommendations so users can pick a local AI model that fits their machine without editing raw JSON config. Detect RAM, CPU, GPU via sysinfo crate and recommend a tier. Persist selection to config.toml, with env var override and graceful degradation hints on bootstrap failure. - Rust: presets.rs (tier definitions, recommendation logic), device.rs (hardware detection), 3 new RPC methods, env var override, bootstrap hints - Frontend: tier selector UI in Settings > Local AI Model with device info, loading/error states, and "Advanced" toggle for existing controls - Tests: 7 Rust unit tests + comprehensive JSON-RPC E2E test - Also fixes pre-existing lint warning in SkillSetupWizard.tsx Closes #80
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Summary
local_ai_device_profile,local_ai_presets,local_ai_apply_preset— preset selection persists toconfig.tomlwithOPENHUMAN_LOCAL_AI_TIERenv var overrideSkillSetupWizard.tsxChanges
Rust core
src/openhuman/local_ai/presets.rs—ModelTierenum,ModelPresetstruct, tier definitions,recommend_tier(),apply_preset_to_config(),current_tier_from_config()src/openhuman/local_ai/device.rs—DeviceProfilestruct,detect_device_profile()usingsysinfocrate (Apple Silicon GPU detection)src/openhuman/local_ai/schemas.rs— 3 new controller schemas + handlerssrc/openhuman/config/schema/local_ai.rs—selected_tier: Option<String>fieldsrc/openhuman/config/schema/load.rs—OPENHUMAN_LOCAL_AI_TIERenv var overridesrc/openhuman/local_ai/service/bootstrap.rs— degradation hint for tier step-downFrontend
app/src/components/settings/panels/LocalModelPanel.tsx— tier selection UI with device info, loading/error statesapp/src/components/settings/SettingsHome.tsx— "Local AI Model" main menu itemapp/src/components/settings/panels/DeveloperOptionsPanel.tsx— removed duplicate entryapp/src/utils/tauriCommands.ts— TypeScript types + 3 RPC wrappersTests
Test plan
cargo checkpassesyarn typecheckpassesyarn lintpasses (0 warnings)yarn format:checkpassesyarn buildpassesyarn tauri dev— app launches, core connects, presets RPC returns correct device info and tier recommendationsCloses #80
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