a4a07df7fa
- Fix directory names (adiuva/ → adiuvAI/, adiuva-api/ → api/) - Document git submodule structure and clone instructions - Correct Electron architecture (local-first LangGraph, not backend-dependent) - Add non-obvious gotchas for both projects - Mark microservices migration as planned but not yet started - Remove duplicate langfuse-docs MCP definition from settings.json - Simplify settings.local.json (enableAllProjectMcpServers replaces explicit list) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
206 lines
9.8 KiB
Markdown
206 lines
9.8 KiB
Markdown
# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Keeping This File Up to Date
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Update this file whenever a lesson is learned during development. Specifically, update CLAUDE.md when:
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- A non-obvious architectural decision is made or discovered
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- A gotcha, footgun, or surprising behavior is encountered (and the fix/workaround)
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- A new command, workflow, or tool is added to the project
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- A convention is established that isn't obvious from reading the code
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- An integration detail is clarified (e.g., how the IPC protocol actually behaves, edge cases in the agent tool call cycle)
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Do **not** add things already derivable from reading the code, generic best practices, or ephemeral task notes — only durable, reusable knowledge.
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## Repository Layout
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This is a **monorepo with git submodules**. Each submodule is an independent repo with its own `.claude/CLAUDE.md` for detailed guidance.
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| Directory | What | Submodule |
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|-----------|------|-----------|
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| **`adiuvAI/`** | Electron desktop app (TypeScript/React) | `git.muticolturano.com/adiuvAI/adiuvAI` |
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| **`api/`** | FastAPI backend (Python) | `git.muticolturano.com/adiuvAI/api` |
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| **`website/`** | Landing page (single `index.html`) | `git.muticolturano.com/adiuvAI/website` |
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| **`docs/`** | Planning docs & working memory (not a submodule) | -- |
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After cloning, run `git submodule update --init --recursive` to populate submodule contents.
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---
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## adiuvAI (Electron App)
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> **Detailed docs**: `adiuvAI/.claude/CLAUDE.md` covers commands, architecture, AI subsystem, design context, and conventions in depth.
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### Commands
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```bash
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cd adiuvAI
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npm run start # Start dev server (Electron + Vite)
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npm run lint # ESLint
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npm run knip # Dead code analysis
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npm run make # Build installers (Windows/Linux/macOS)
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npm run package # Package without creating installers
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npx drizzle-kit generate # Generate migration from schema changes
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npx drizzle-kit push # Push schema directly (dev only)
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```
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No test suite currently.
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### Architecture
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```
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Renderer (React 19 + TanStack Router)
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↓ custom ipcLink (NOT electron-trpc — incompatible with tRPC v11)
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Preload (contextBridge: window.electronTRPC + window.electronAI)
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↓ IPC channels
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Main Process (Node.js)
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├── tRPC router (all CRUD + AI procedures)
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├── SQLite (better-sqlite3 + Drizzle ORM, WAL mode)
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├── LanceDB (vector embeddings, 1536-dim text-embedding-3-small)
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└── LangGraph orchestrator (3 specialist agents, pluggable LLM providers)
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```
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**This is a local-first app.** All user data (tasks, notes, projects) lives in local SQLite. The AI system (LangGraph + LangChain) runs entirely in the Electron main process with pluggable providers (OpenAI, Anthropic, GitHub Copilot).
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**IPC channels**:
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- `'trpc'` — bidirectional tRPC request/response (all CRUD)
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- `'ai:stream'` — one-way token streaming from main → renderer
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- `'ai:action'` — AI side-effects (e.g., task auto-created by agent)
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**Key source paths**:
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- `src/main/ipc.ts` — Custom tRPC↔IPC bridge
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- `src/main/router/index.ts` — All tRPC routers (~600 LOC)
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- `src/main/ai/orchestrator.ts` — LangGraph intent routing + 3 agents (~991 LOC)
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- `src/main/db/schema.ts` — 6 tables (clients, projects, tasks, checkpoints, notes, taskComments)
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- `src/renderer/routes/` — File-based routing (TanStack Router auto-generates `routeTree.gen.ts`)
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- `src/renderer/components/ui/` — shadcn/ui primitives (new-york theme, neutral colors)
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**Non-obvious details**:
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- `electron-trpc` is NOT used — custom IPC bridge in `ipc.ts` + `ipcLink.ts` because electron-trpc bundles tRPC v10 internals
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- Vite configs use `.mts` extension to avoid ESM/CJS conflicts with electron-forge
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- `forge.config.ts` has complex cross-compilation hooks (downloads platform-specific native binaries for better-sqlite3 and LanceDB)
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- DB has no foreign key constraints — cascade deletes are implemented in tRPC procedures
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- Timestamps are milliseconds (JavaScript `Date.getTime()`), not ISO strings
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- Notes auto-embed to LanceDB on create/update (fire-and-forget, errors swallowed)
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---
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## api (FastAPI Backend)
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### Commands
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```bash
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cd api
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# Development
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uvicorn app.main:app --reload --host 0.0.0.0 --port 8000
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# Production
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gunicorn app.main:app -k uvicorn.workers.UvicornWorker -w 4 --timeout 120
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# Database migrations
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alembic upgrade head
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# Testing
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pytest # all tests
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pytest -v # verbose
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pytest tests/test_agents.py # single file
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pytest tests/test_agents.py -k test_name # single test
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# Linting/formatting
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ruff check .
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ruff format .
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# Docker (full stack: app + postgres + minio + qdrant)
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docker compose up --build
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```
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### Architecture
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```
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FastAPI app (app/main.py)
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├── Middleware: TierRateLimiter → Sanitizer → CORS
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├── HTTP Routes (app/api/routes/)
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│ ├── auth.py — register, login, token refresh (bcrypt + HS256 JWT)
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│ ├── chat.py — POST /chat, WS /chat/stream
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│ ├── plans.py — execution plan playbooks
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│ ├── storage.py — E2E-encrypted cloud storage (S3)
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│ ├── backup.py — encrypted backup upload/download
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│ ├── vectors.py — encrypted vector upsert/search (Pinecone/Qdrant)
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│ ├── plugins.py — plugin marketplace (Power+ tier)
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│ └── billing.py — Stripe subscriptions
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├── Agent System (app/agents/)
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│ ├── task_agent.py — 8 tools
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│ ├── project_agent.py — 6 tools
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│ ├── checkpoint_agent.py — 4 tools
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│ └── note_agent.py — 5 tools
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├── Orchestration (app/core/)
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│ ├── orchestrator.py — intent classification + agent routing
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│ ├── agent_registry.py — decorator-based agent registry
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│ ├── execution_plan.py — server-side prompt templates + plan builder
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│ ├── llm.py — LiteLLM factory (100+ providers)
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│ └── memory_middleware.py
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├── Billing (app/billing/)
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│ ├── tier_manager.py — feature matrix (Free/Pro/Power/Team)
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│ └── stripe_service.py — Stripe checkout + webhooks
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├── Storage (app/storage/) — S3 blob store, vector store, encryption
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└── Marketplace (app/marketplace/) — plugin catalog, review, revenue sharing
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```
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**LLM routing**: `gpt-4o-mini` classifies intent → routes to domain agent → agent uses `gpt-4o` with tools → tool calls describe client-side operations (JSON) → Electron executes locally and returns results.
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**Zero-trust data model**: The backend never stores or decrypts user content. PostgreSQL holds only auth, billing, plugin metadata, and storage record pointers. All user data is E2E-encrypted before leaving the Electron client.
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**Key config**: `app/config/settings.py` — all env vars via Pydantic Settings. Copy `.env.example` to `.env` for local dev. Stripe and S3 gracefully stub when keys aren't configured.
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**Database**: PostgreSQL with async SQLAlchemy 2.0 + asyncpg. 9 ORM models in `app/models.py`. Alembic migrations in `alembic/versions/`.
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**Testing**: pytest + pytest-asyncio. Fixtures in `tests/conftest.py` create in-memory SQLite + moto-mocked S3. Test users seeded per tier (free/pro/power/team).
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### Non-obvious details
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- **Tier from DB, not JWT**: `get_current_user` decodes JWT but fetches authoritative tier from `subscriptions` table — tier changes take effect immediately without re-login
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- **Refresh tokens hashed**: Plaintext returned to client, stored as SHA-256 in DB — server can never retrieve the plaintext (intentional)
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- **WebSocket auth via query param**: `?token=<jwt>` instead of Bearer header (WebSocket handshake limitation)
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- **Prompt IP protection**: `PromptTemplateRegistry` keeps prompts server-side; clients receive opaque `template_id`. `SanitizerMiddleware` strips leaked fragments from responses
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- **Agents don't execute operations**: Tools return JSON describing client-side ops — the Electron client executes against local SQLite
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- **Alembic async/sync split**: App uses `postgresql+asyncpg`, Alembic CLI needs `postgresql+psycopg2` — `env.py` handles the URL conversion
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- **Tool loop cap**: Agent `_tool_loop` stops after 5 iterations to prevent infinite loops
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- **Route order matters**: `/backup/history` must be declared before `/backup/{backup_id}` to avoid path param shadowing
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- **CORS includes `app://`**: Electron uses custom `app://` protocol, not http/https
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- **Vector search on encrypted data is not semantic**: Backend derives deterministic 32-dim floats from blob SHA-256 for storage/search — a known trade-off
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### Tier System
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| Feature | Free | Pro | Power | Team |
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|---------|------|-----|-------|------|
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| Rate limit | 20/min | 60/min | 120/min | 200/min |
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| Agents | 3 | unlimited | unlimited | unlimited |
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| Cloud storage | 0 GB | 5 GB | 25 GB | unlimited |
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| Plugin marketplace | no | no | yes | yes |
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Enforced in `app/api/middleware/rate_limit.py` (sliding window) and `app/billing/tier_manager.py` (feature checks + quota enforcement).
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---
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## Cross-Project Integration
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The Electron app and FastAPI backend communicate via **WebSocket** (`/chat/stream`):
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1. Electron connects with `?token=<jwt>` query param
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2. Client sends `ChatRequest` JSON frame
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3. Server streams text chunks, then a final frame: `{"done": true, "response": "...", "actions": []}`
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4. Server sends `tool_call` frames → Electron executes against local SQLite → returns `tool_result`
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5. Server pings every 30 seconds to keep connection alive
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The Electron app also has a **fully local AI path** (LangGraph orchestrator in main process) that doesn't require the backend — this is the primary path for desktop use.
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---
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## MCP Servers
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- **Langfuse Docs** (`https://langfuse.com/api/mcp`) — configured at workspace level for prompt management documentation
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- **shadcn** (`npx shadcn@latest mcp`) — configured in `adiuvAI/` for UI component generation
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