Complete all 37 items: frontend UI, backend stubs, infrastructure, docs, tests

Frontend (items 1-10):
- WebSocket streaming integration with useWebSocket hook
- Admin Dashboard UI (status, voices, agents, governance tabs)
- Voice playback UI (TTS/STT integration)
- Settings/Preferences page (conversation style, sliders)
- Responsive/mobile layout (breakpoints at 480px, 768px)
- Dark/light theme with CSS variables and localStorage
- Error handling & loading states (retry, empty state, disabled input)
- Authentication UI (login page, Bearer token, logout)
- Head visualization improvements (active/speaking states, animations)
- Consequence/Ethics dashboard (lessons, consequences, insights tabs)

Backend stubs (items 11-21):
- Tool connectors: DocsConnector (text/md/PDF), DBConnector (SQLite/Postgres), CodeRunnerConnector (Python/JS/Bash/Ruby sandboxed)
- STT adapter: WhisperSTTAdapter, AzureSTTAdapter
- Multi-modal interface adapters: Visual, Haptic, Gesture, Biometric
- SSE streaming endpoint (/v1/sessions/{id}/stream/sse)
- Multi-tenant support (X-Tenant-ID header, tenant CRUD)
- Plugin marketplace/registry (register, install, list)
- Backup/restore endpoints
- Versioned API negotiation (Accept-Version header, deprecation)

Infrastructure (items 22-26):
- docker-compose.yml (API + Postgres + Redis + frontend)
- .env.example with all configurable vars
- gunicorn.conf.py production ASGI config
- Prometheus metrics collector and /metrics endpoint
- Structured JSON logging configuration

Documentation (items 27-29):
- Architecture docs with module layout and subsystem descriptions
- Quickstart guide with setup, API tour, and test instructions

Tests (items 30-32):
- Integration tests: 25 end-to-end API tests
- Frontend tests: 10 Vitest tests for hooks (useTheme, useAuth)
- Load/performance tests: latency and throughput benchmarks
- Connector tests: 16 tests for Docs, DB, CodeRunner
- Multi-modal adapter tests: 9 tests
- Metrics collector tests: 5 tests
- STT adapter tests: 2 tests

511 Python tests passing, 10 frontend tests passing, 0 ruff errors.

Co-Authored-By: Nakamoto, S <defi@defi-oracle.io>

fusionagi/interfaces/adapters.py

@@ -0,0 +1,161 @@
+"""Concrete multi-modal interface adapters: visual, haptic, gesture, biometric."""
+
+from __future__ import annotations
+
+import asyncio
+from collections import deque
+from typing import Any
+
+from fusionagi._logger import logger
+from fusionagi.interfaces.base import (
+    InterfaceAdapter,
+    InterfaceCapabilities,
+    InterfaceMessage,
+    ModalityType,
+)
+
+
+class VisualAdapter(InterfaceAdapter):
+    """Visual modality adapter for images, video, and AR/VR content.
+
+    In production, connect to a rendering engine or display server.
+    This implementation queues messages for external consumers.
+    """
+
+    def __init__(self) -> None:
+        super().__init__("visual")
+        self._outbox: deque[InterfaceMessage] = deque(maxlen=100)
+        self._inbox: asyncio.Queue[InterfaceMessage] = asyncio.Queue()
+
+    def capabilities(self) -> InterfaceCapabilities:
+        return InterfaceCapabilities(
+            supported_modalities=[ModalityType.VISUAL],
+            supports_streaming=True,
+            supports_interruption=False,
+            supports_multimodal=True,
+        )
+
+    async def send(self, message: InterfaceMessage) -> None:
+        self._outbox.append(message)
+        logger.debug("VisualAdapter: queued visual output", extra={"id": message.id})
+
+    async def receive(self, timeout_seconds: float | None = None) -> InterfaceMessage | None:
+        try:
+            return await asyncio.wait_for(self._inbox.get(), timeout=timeout_seconds)
+        except (asyncio.TimeoutError, TimeoutError):
+            return None
+
+    def get_pending_outputs(self) -> list[InterfaceMessage]:
+        """Drain pending visual outputs for external rendering."""
+        msgs = list(self._outbox)
+        self._outbox.clear()
+        return msgs
+
+
+class HapticAdapter(InterfaceAdapter):
+    """Haptic feedback adapter for tactile interactions.
+
+    Stores haptic events (vibration patterns, force feedback) for
+    consumption by a hardware controller.
+    """
+
+    def __init__(self) -> None:
+        super().__init__("haptic")
+        self._events: deque[InterfaceMessage] = deque(maxlen=50)
+
+    def capabilities(self) -> InterfaceCapabilities:
+        return InterfaceCapabilities(
+            supported_modalities=[ModalityType.HAPTIC],
+            supports_streaming=False,
+            supports_interruption=True,
+            latency_ms=10.0,
+        )
+
+    async def send(self, message: InterfaceMessage) -> None:
+        self._events.append(message)
+        logger.debug("HapticAdapter: queued haptic event", extra={"id": message.id})
+
+    async def receive(self, timeout_seconds: float | None = None) -> InterfaceMessage | None:
+        return None  # haptic is output-only
+
+
+class GestureAdapter(InterfaceAdapter):
+    """Gesture recognition adapter for motion control input.
+
+    Processes gesture events from external tracking systems
+    (cameras, IMUs, depth sensors).
+    """
+
+    def __init__(self) -> None:
+        super().__init__("gesture")
+        self._inbox: asyncio.Queue[InterfaceMessage] = asyncio.Queue()
+
+    def capabilities(self) -> InterfaceCapabilities:
+        return InterfaceCapabilities(
+            supported_modalities=[ModalityType.GESTURE],
+            supports_streaming=True,
+            supports_interruption=True,
+            latency_ms=50.0,
+        )
+
+    async def send(self, message: InterfaceMessage) -> None:
+        pass  # gesture is input-only
+
+    async def receive(self, timeout_seconds: float | None = None) -> InterfaceMessage | None:
+        try:
+            return await asyncio.wait_for(self._inbox.get(), timeout=timeout_seconds)
+        except (asyncio.TimeoutError, TimeoutError):
+            return None
+
+    async def inject_gesture(self, gesture: InterfaceMessage) -> None:
+        """Inject a gesture event from an external tracking system."""
+        await self._inbox.put(gesture)
+
+
+class BiometricAdapter(InterfaceAdapter):
+    """Biometric adapter for physiological signal processing.
+
+    Handles emotion detection, heart rate, GSR (galvanic skin response),
+    and other biosensors. Input-only modality.
+    """
+
+    def __init__(self) -> None:
+        super().__init__("biometric")
+        self._inbox: asyncio.Queue[InterfaceMessage] = asyncio.Queue()
+        self._latest: dict[str, Any] = {}
+
+    def capabilities(self) -> InterfaceCapabilities:
+        return InterfaceCapabilities(
+            supported_modalities=[ModalityType.BIOMETRIC],
+            supports_streaming=True,
+            supports_interruption=False,
+            latency_ms=100.0,
+        )
+
+    async def send(self, message: InterfaceMessage) -> None:
+        pass  # biometric is input-only
+
+    async def receive(self, timeout_seconds: float | None = None) -> InterfaceMessage | None:
+        try:
+            msg = await asyncio.wait_for(self._inbox.get(), timeout=timeout_seconds)
+            if isinstance(msg.content, dict):
+                self._latest.update(msg.content)
+            return msg
+        except (asyncio.TimeoutError, TimeoutError):
+            return None
+
+    async def inject_reading(self, reading: InterfaceMessage) -> None:
+        """Inject a biometric reading from external sensors."""
+        await self._inbox.put(reading)
+
+    def get_latest(self) -> dict[str, Any]:
+        """Get the latest aggregated biometric readings."""
+        return dict(self._latest)
+
+
+__all__ = [
+    "VisualAdapter",
+    "HapticAdapter",
+    "GestureAdapter",
+    "BiometricAdapter",
+]