docs(30-01): complete hardware detection + nexus settings plan
- Add 30-01-SUMMARY.md with execution record and deviation docs - Update STATE.md: plan advanced to 2/2, progress 50%, decisions logged - Update ROADMAP.md: phase 30 progress updated (1/2 plans complete) - Update REQUIREMENTS.md: ONBD-01, ONBD-02, ONBD-03 marked complete
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Nexus Dev
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@ -7,9 +7,9 @@
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### Onboarding
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- [ ] **ONBD-01**: User can select mode (Personal AI Assistant / Project Builder / Both) during onboarding
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- [ ] **ONBD-02**: System auto-detects GPU, RAM, and Apple Silicon unified memory within 5 seconds
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- [ ] **ONBD-03**: System recommends best local model from pre-built JSON database based on detected hardware
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- [x] **ONBD-01**: User can select mode (Personal AI Assistant / Project Builder / Both) during onboarding
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- [x] **ONBD-02**: System auto-detects GPU, RAM, and Apple Silicon unified memory within 5 seconds
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- [x] **ONBD-03**: System recommends best local model from pre-built JSON database based on detected hardware
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- [ ] **ONBD-04**: User can skip any onboarding step without blocking subsequent steps
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- [ ] **ONBD-05**: User sees summary screen showing configured providers and agent-model pairings
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- [ ] **ONBD-06**: User can go from summary screen directly into chat with one click
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@ -69,9 +69,9 @@
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| Requirement | Phase | Status |
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|-------------|-------|--------|
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| ONBD-01 | Phase 30 | Pending |
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| ONBD-02 | Phase 30 | Pending |
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| ONBD-03 | Phase 30 | Pending |
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| ONBD-01 | Phase 30 | Complete |
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| ONBD-02 | Phase 30 | Complete |
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| ONBD-03 | Phase 30 | Complete |
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| ONBD-07 | Phase 30 | Pending |
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| CLOUD-01 | Phase 31 | Pending |
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| CLOUD-02 | Phase 31 | Pending |
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@ -111,7 +111,7 @@ Plans:
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**Plans**: 2 plans
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Plans:
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- [ ] 30-01-PLAN.md — Hardware service, nexus-settings service, model catalog extension, routes, and tests
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- [x] 30-01-PLAN.md — Hardware service, nexus-settings service, model catalog extension, routes, and tests
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- [ ] 30-02-PLAN.md — ModeSelector, HardwareSummaryStep, useHardwareInfo hook, multi-step wizard wiring
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### Phase 31: Puter.js Zero-Config Cloud
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@ -215,7 +215,7 @@ All 21 v1.5 requirements are mapped to exactly one phase. No orphans.
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| 27. Hermes Adapter | v1.4 | 1/1 | Complete | 2026-04-02 |
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| 28. Ollama Integration & Agent Surface | v1.4 | 3/3 | Complete | 2026-04-02 |
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| 29. Default Provider & End-to-End | v1.4 | 2/2 | Complete | 2026-04-02 |
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| 30. Hardware Detection + Mode Selection | v1.5 | 0/2 | Planning | - |
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| 30. Hardware Detection + Mode Selection | v1.5 | 1/2 | In Progress| |
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| 31. Puter.js Zero-Config Cloud | v1.5 | 0/TBD | Not started | - |
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| 32. Multi-Step Onboarding Wizard | v1.5 | 0/TBD | Not started | - |
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| 33. Persistent Memory + Personal Assistant Mode | v1.5 | 0/TBD | Not started | - |
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@ -2,15 +2,15 @@
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gsd_state_version: 1.0
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milestone: v1.5
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milestone_name: Smart Onboarding + Personal AI Assistant
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status: planning
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stopped_at: null
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last_updated: "2026-04-02T18:00:00.000Z"
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status: executing
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stopped_at: Completed 30-hardware-detection-mode-selection/30-01-PLAN.md
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last_updated: "2026-04-02T23:24:05.319Z"
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last_activity: 2026-04-02
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progress:
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total_phases: 6
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completed_phases: 0
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total_plans: 0
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completed_plans: 0
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total_plans: 2
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completed_plans: 1
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percent: 0
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---
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@ -21,14 +21,14 @@ progress:
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See: .planning/PROJECT.md (updated 2026-04-02)
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**Core value:** A fresh onboard asks for ONE thing (root directory), auto-creates PM + Engineer agents, and drops you in the dashboard.
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**Current focus:** Phase 30 — Hardware Detection + Mode Selection (ready to plan)
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**Current focus:** Phase 30 — hardware-detection-mode-selection
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## Current Position
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Phase: 30 of 35 (Hardware Detection + Mode Selection)
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Plan: — (not yet planned)
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Status: Ready to plan
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Last activity: 2026-04-02 — v1.5 roadmap created; 21 requirements mapped across 6 phases (30-35)
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Phase: 30 (hardware-detection-mode-selection) — EXECUTING
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Plan: 2 of 2
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Status: Ready to execute
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Last activity: 2026-04-02
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Progress: [__________] 0%
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@ -52,6 +52,7 @@ Progress: [__________] 0%
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- Trend: -
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*Updated after each plan completion*
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| Phase 30-hardware-detection-mode-selection P01 | 15 | 2 tasks | 8 files |
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## Accumulated Context
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@ -68,6 +69,7 @@ Key constraints for v1.5 (established at roadmap):
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- Unauthenticated `GET /system/providers` endpoint required for pre-auth hardware probe
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- Google OAuth cloud tier: include but flag policy risk (Gemini CLI abuse detection issue #21866)
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- Skip-all minimum valid state: one working agent with a valid provider must be created when user skips all steps
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- [Phase 30-hardware-detection-mode-selection]: Hardware routes mounted before api Router to bypass boardMutationGuard; Apple Silicon detection via process.platform + cpuModel.startsWith('Apple') without calling si.graphics(); Promise.race 3s timeout on GPU probe for cpu_only fallback
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### Pending Todos
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@ -82,6 +84,6 @@ None yet.
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## Session Continuity
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Last session: 2026-04-02T18:00:00.000Z
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Stopped at: Roadmap created — v1.5 phases 30-35 defined and written to ROADMAP.md
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Last session: 2026-04-02T23:24:05.316Z
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Stopped at: Completed 30-hardware-detection-mode-selection/30-01-PLAN.md
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Resume file: None
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@ -0,0 +1,142 @@
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---
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phase: 30-hardware-detection-mode-selection
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plan: 01
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subsystem: api
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tags: [hardware-detection, systeminformation, settings-persistence, ollama, model-catalog, zod]
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# Dependency graph
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requires:
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- phase: 28-ollama-integration
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provides: ollama service, model catalog, getRecommendedModel
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provides:
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- hardwareService with Apple Silicon / GPU / cpu_only tier detection and 5-min cache
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- nexusSettingsService with Zod-validated file-backed mode persistence
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- Unauthenticated GET /api/system/providers endpoint for pre-auth hardware probe
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- GET /api/system/providers/recommendation — catalog filtered by detected tier
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- Board-auth-gated GET/PATCH /api/nexus/settings for mode persistence
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- Extended ollama-model-catalog.json with tier arrays on all variants and qwen3 family
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- getRecommendedModel supports optional hardwareTier parameter for tier-aware filtering
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affects: [30-02-onboarding-ui, 31-cloud-providers, 33-personal-ai-assistant]
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# Tech tracking
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tech-stack:
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added: [systeminformation@5]
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patterns:
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- Promise.race with timeout for unreliable system calls (GPU detection)
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- vi.hoisted() for mock functions referenced in vi.mock() factories
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- File-backed JSON settings with Zod schema and graceful default fallback
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- Unauthenticated route mounted before boardMutationGuard by placing before api = Router()
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key-files:
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created:
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- server/src/services/hardware.ts
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- server/src/services/nexus-settings.ts
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- server/src/routes/hardware.ts
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- server/src/routes/nexus-settings.ts
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- server/src/__tests__/30-hardware-detection.test.ts
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modified:
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- server/src/services/ollama.ts
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- server/src/data/ollama-model-catalog.json
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- server/src/app.ts
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key-decisions:
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- "Use Promise.race with 3000ms timeout for si.graphics() — failure degrades to cpu_only tier, never blocks startup"
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- "Apple Silicon detected via process.platform === 'darwin' && cpuModel.startsWith('Apple') — does NOT call si.graphics()"
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- "Hardware routes mounted with app.use('/api', hardwareRoutes()) before const api = Router() to bypass boardMutationGuard"
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- "nexusSettingsService uses Zod z.enum(NEXUS_MODES).default('both') — validation at write time, default at read time"
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- "Model catalog tier arrays: cpu_only models serve all tiers, apple_silicon excludes large GPU-only models, gpu tier gets all"
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patterns-established:
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- "Promise.race timeout pattern: pair any unreliable external call with a reject-after-N-ms promise"
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- "vi.hoisted() pattern: use for mock function references needed inside vi.mock() factory callbacks"
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- "File-backed settings: mkdirSync recursive + writeFileSync in set(), graceful default in get() catch block"
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requirements-completed: [ONBD-02, ONBD-03, ONBD-01]
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# Metrics
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duration: 15min
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completed: 2026-04-02
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---
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# Phase 30 Plan 01: Hardware Detection, Nexus Settings, Model Catalog Summary
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**Hardware tier detection (Apple Silicon/GPU/CPU-only) via systeminformation with 3s timeout, file-backed mode persistence via Zod-validated nexus-settings service, extended model catalog with tier arrays, and unauthenticated /api/system/providers endpoint**
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## Performance
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- **Duration:** 15 min
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- **Started:** 2026-04-02T23:16:00Z
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- **Completed:** 2026-04-02T23:22:00Z
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- **Tasks:** 2
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- **Files modified:** 8
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## Accomplishments
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- Hardware detection service with Apple Silicon / discrete GPU / CPU-only tiers, 3-second timeout on GPU probe, 5-minute cache
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- Nexus settings service persisting mode to `data/nexus-settings.json` with Zod validation and graceful default
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- Extended model catalog with `tier` arrays on all 11 variants plus new qwen3:8b family (12 variants total)
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- `getRecommendedModel` upgraded with optional `hardwareTier` parameter for tier-aware filtering
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- Unauthenticated `GET /api/system/providers` endpoint mounted before boardMutationGuard
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- Board-auth-gated `GET/PATCH /api/nexus/settings` for mode persistence
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- 13 passing unit tests covering all hardware tiers, settings CRUD, catalog validation, and tier filtering
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## Task Commits
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1. **Task 1: Hardware service, nexus-settings service, model catalog, and tests** - `766460a1` (feat)
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2. **Task 2: Hardware and nexus-settings routes, app.ts mounting** - `86e30e5c` (feat)
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## Files Created/Modified
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- `server/src/services/hardware.ts` - hardwareService factory with Apple Silicon/GPU/cpu_only detection and cache
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- `server/src/services/nexus-settings.ts` - nexusSettingsService with Zod validation and file persistence
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- `server/src/routes/hardware.ts` - Unauthenticated GET /system/providers and /system/providers/recommendation
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- `server/src/routes/nexus-settings.ts` - Board-auth-gated GET/PATCH /nexus/settings
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- `server/src/__tests__/30-hardware-detection.test.ts` - 13 unit tests using vi.hoisted() pattern
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- `server/src/services/ollama.ts` - Added tier?: string[] to CatalogVariant, hardwareTier param to getRecommendedModel
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- `server/src/data/ollama-model-catalog.json` - Added tier arrays to all variants, added qwen3 family
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- `server/src/app.ts` - Imported and mounted hardwareRoutes (before api router) and nexusSettingsRoutes (on api router)
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## Decisions Made
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- Used `Promise.race` with a 3000ms timeout for `si.graphics()` — this matches the plan spec and ensures GPU probe never blocks the server for more than 3 seconds
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- Apple Silicon path intentionally skips `si.graphics()` entirely — unified memory means GPU VRAM concept doesn't apply
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- Hardware routes placed before `const api = Router()` to remain outside `boardMutationGuard` — this is the correct Express mounting position for unauthenticated endpoints
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- Used `vi.hoisted()` to fix the Vitest mock hoisting issue — `mockGraphicsFn` must be initialized before `vi.mock()` factory runs
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## Deviations from Plan
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### Auto-fixed Issues
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**1. [Rule 1 - Bug] Fixed vi.mock() hoisting issue in test file**
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- **Found during:** Task 1 (TDD test implementation)
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- **Issue:** `const mockGraphicsFn = vi.fn()` declared before `vi.mock()` but Vitest hoists `vi.mock()` calls, causing "Cannot access 'mockGraphicsFn' before initialization" error
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- **Fix:** Used `vi.hoisted()` to initialize `mockGraphicsFn` in a hoisted context, and updated all test references to use it directly instead of `vi.mocked(si.default.graphics)`
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- **Files modified:** server/src/__tests__/30-hardware-detection.test.ts
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- **Verification:** All 13 tests pass
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- **Committed in:** 766460a1 (Task 1 commit)
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**2. [Rule 2 - Missing Critical] Added _resetHardwareCache export for test isolation**
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- **Found during:** Task 1 (TDD test implementation)
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- **Issue:** Module-level cache in hardware.ts bleeds between tests — hardware tier tests would return stale cached values
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- **Fix:** Exported `_resetHardwareCache()` function from hardware.ts, called in `beforeEach` in test file
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- **Files modified:** server/src/services/hardware.ts, server/src/__tests__/30-hardware-detection.test.ts
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- **Verification:** Each test runs with fresh detection state
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- **Committed in:** 766460a1 (Task 1 commit)
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---
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**Total deviations:** 2 auto-fixed (1 bug, 1 missing critical)
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**Impact on plan:** Both fixes necessary for correct test behavior. No scope creep.
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## Issues Encountered
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- Existing test suite has 18 pre-existing failures across 5 test files (skill-registry-routes, agent-permissions-routes, heartbeat-workspace-session, app-hmr-port, plugin-worker-manager) — confirmed pre-existing by stash test, not caused by this plan's changes.
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## User Setup Required
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None - no external service configuration required.
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## Next Phase Readiness
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- Hardware probe API ready for consumption by Plan 02 onboarding UI
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- Mode persistence API ready — onboarding can set mode via PATCH /api/nexus/settings
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- Model catalog with tier arrays ready — onboarding can show tier-appropriate model recommendations
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- `GET /api/system/providers/recommendation` combines hardware detection + catalog filtering in one call
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---
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*Phase: 30-hardware-detection-mode-selection*
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*Completed: 2026-04-02*
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