recall/
├── src/
│   ├── index.ts                          # Bootstrap entry point
│   ├── app.module.ts                     # Root @McpApp module
│   └── modules/
│       ├── storage/
│       │   ├── storage.module.ts          # Global storage module
│       │   └── database.service.ts        # SQLite wrapper (sql.js)
│       └── recall/
│           ├── recall.module.ts           # Feature module
│           ├── recall.tools.ts            # 5 MCP tools
│           ├── recall.resources.ts        # Session graph resource
│           ├── recall.prompts.ts          # 2 prompt templates
│           ├── observation.service.ts     # Business logic service
│           └── types.ts                   # TypeScript interfaces
├── data/                                  # SQLite DB (auto-created)
├── package.json
├── tsconfig.json
├── .env / .env.example
└── README.md

# 1. Install dependencies
npm install

# 2. Start the dev server
npx @nitrostack/cli dev

DB_PATH=./data/recall.db

→ capture_observation({
    label: "titration setup",
    note: "Flask with 25ml NaOH, add phenolphthalein indicator, 3 drops",
    context: "experiment-3",
    session_id: "chem-lab-2026-07-18"
  })
← { id: "abc-123", timestamp: "2026-07-18T10:30:00Z" }

→ capture_observation({
    label: "titration endpoint",
    note: "Color changed from pink to colorless at 22.4ml HCl",
    context: "experiment-3",
    session_id: "chem-lab-2026-07-18"
  })
← { id: "def-456", timestamp: "2026-07-18T10:45:00Z" }

→ recall({ query: "titration", session_id: "chem-lab-2026-07-18" })
← { count: 2, results: [ ... ] }

→ read resource: recall://sessions/chem-lab-2026-07-18/graph
← { observations: [...], relations: [...], metadata: { ... } }

→ use prompt: study_summary({ session_id: "chem-lab-2026-07-18", topic: "titration" })
← [Formatted prompt with observations embedded, asking AI to produce a study summary]

→ use prompt: lab_report_draft({ session_id: "chem-lab-2026-07-18" })
← [Formatted prompt asking AI to produce Objective → Method → Observations → Conclusion]