architecture: remove redundant SFM service and simplify deployment

app/api/slmm_proxy.py

@@ -0,0 +1,83 @@
+"""
+SLMM API Proxy
+Forwards /api/slmm/* requests to the SLMM backend service
+"""
+import httpx
+import logging
+from fastapi import APIRouter, Request, Response, WebSocket
+from fastapi.responses import StreamingResponse
+from app.core.config import SLMM_API_URL
+
+logger = logging.getLogger(__name__)
+
+router = APIRouter(prefix="/api/slmm", tags=["slmm-proxy"])
+
+
+@router.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH"])
+async def proxy_slmm_request(path: str, request: Request):
+    """Proxy HTTP requests to SLMM backend"""
+    # Build target URL - rewrite /api/slmm/* to /api/nl43/*
+    target_url = f"{SLMM_API_URL}/api/nl43/{path}"
+
+    # Get query params
+    query_string = str(request.url.query)
+    if query_string:
+        target_url += f"?{query_string}"
+
+    logger.info(f"Proxying {request.method} {target_url}")
+
+    # Read request body
+    body = await request.body()
+
+    # Forward headers (exclude host)
+    headers = {
+        key: value
+        for key, value in request.headers.items()
+        if key.lower() not in ['host', 'content-length']
+    }
+
+    async with httpx.AsyncClient(timeout=30.0) as client:
+        try:
+            # Make proxied request
+            response = await client.request(
+                method=request.method,
+                url=target_url,
+                content=body,
+                headers=headers
+            )
+
+            # Return response
+            return Response(
+                content=response.content,
+                status_code=response.status_code,
+                headers=dict(response.headers)
+            )
+        except httpx.RequestError as e:
+            logger.error(f"Proxy request failed: {e}")
+            return Response(
+                content=f'{{"detail": "SLMM backend unavailable: {str(e)}"}}',
+                status_code=502,
+                media_type="application/json"
+            )
+
+
+@router.websocket("/{unit_id}/live")
+async def proxy_slmm_websocket(websocket: WebSocket, unit_id: str):
+    """Proxy WebSocket connections to SLMM backend for live data streaming"""
+    await websocket.accept()
+
+    # Build WebSocket URL
+    ws_protocol = "ws" if "localhost" in SLMM_API_URL or "127.0.0.1" in SLMM_API_URL else "wss"
+    ws_url = SLMM_API_URL.replace("http://", f"{ws_protocol}://").replace("https://", f"{ws_protocol}://")
+    ws_target = f"{ws_url}/api/slmm/{unit_id}/live"
+
+    logger.info(f"Proxying WebSocket to {ws_target}")
+
+    async with httpx.AsyncClient() as client:
+        try:
+            async with client.stream("GET", ws_target) as response:
+                async for chunk in response.aiter_bytes():
+                    await websocket.send_bytes(chunk)
+        except Exception as e:
+            logger.error(f"WebSocket proxy error: {e}")
+            await websocket.close(code=1011, reason=f"Backend error: {str(e)}")

app/core/config.py

@@ -12,6 +12,8 @@ ENVIRONMENT = os.getenv("ENVIRONMENT", "production")
 PORT = int(os.getenv("PORT", 8001))
 
 # External Services
+# Terra-View is a unified application with seismograph logic built-in
+# The only external HTTP dependency is SLMM for NL-43 device communication
 SLMM_API_URL = os.getenv("SLMM_API_URL", "http://localhost:8100")
 
 # Database URLs (feature-specific)

app/main.py

@@ -112,6 +112,10 @@ app.include_router(seismo_legacy_routes.router)
 app.include_router(slm_router)
 app.include_router(slm_dashboard_router)
 
+# SLMM Backend Proxy (forward /api/slmm/* to SLMM service)
+from app.api import slmm_proxy
+app.include_router(slmm_proxy.router)
+
 # API Aggregation Layer (future cross-feature endpoints)
 # app.include_router(api_dashboard.router)  # TODO: Implement aggregation
 # app.include_router(api_roster.router)     # TODO: Implement aggregation

app/slm/dashboard.py

@@ -2,108 +2,145 @@
 Dashboard API endpoints for SLM/NL43 devices.
 This layer aggregates and transforms data from the device API for UI consumption.
 """
-from fastapi import APIRouter, Depends, HTTPException
+from fastapi import APIRouter, Depends, HTTPException, Request
+from fastapi.responses import HTMLResponse
+from fastapi.templating import Jinja2Templates
 from sqlalchemy.orm import Session
 from sqlalchemy import func
 from typing import List, Dict, Any
 import logging
 
-from app.slm.database import get_db
+from app.slm.database import get_db as get_slm_db
 from app.slm.models import NL43Config, NL43Status
 from app.slm.services import NL43Client
+# Import seismo database for roster data
+from app.seismo.database import get_db as get_seismo_db
+from app.seismo.models import RosterUnit
 
 logger = logging.getLogger(__name__)
 
 router = APIRouter(prefix="/api/slm-dashboard", tags=["slm-dashboard"])
+templates = Jinja2Templates(directory="app/ui/templates")
 
 
-@router.get("/stats")
+@router.get("/stats", response_class=HTMLResponse)
-async def get_dashboard_stats(db: Session = Depends(get_db)):
+async def get_dashboard_stats(request: Request, db: Session = Depends(get_seismo_db)):
-    """Get aggregate statistics for the SLM dashboard."""
+    """Get aggregate statistics for the SLM dashboard from roster (returns HTML)."""
-    total_units = db.query(func.count(NL43Config.unit_id)).scalar() or 0
+    # Query SLMs from the roster
+    slms = db.query(RosterUnit).filter_by(
+        device_type="sound_level_meter",
+        retired=False
+    ).all()
 
-    # Count units with recent status updates (within last 5 minutes)
+    total_units = len(slms)
-    from datetime import datetime, timedelta
+    deployed = sum(1 for s in slms if s.deployed)
-    five_min_ago = datetime.utcnow() - timedelta(minutes=5)
+    benched = sum(1 for s in slms if not s.deployed)
-    online_units = db.query(func.count(NL43Status.unit_id)).filter(
-        NL43Status.last_seen >= five_min_ago
-    ).scalar() or 0
 
-    # Count units currently measuring
+    # For "active", count SLMs with recent check-ins (within last hour)
-    measuring_units = db.query(func.count(NL43Status.unit_id)).filter(
+    from datetime import datetime, timedelta, timezone
-        NL43Status.measurement_state == "Measure"
+    one_hour_ago = datetime.now(timezone.utc) - timedelta(hours=1)
-    ).scalar() or 0
+    active = sum(1 for s in slms if s.slm_last_check and s.slm_last_check >= one_hour_ago)
 
-    return {
+    # Map to template variable names
-        "total_units": total_units,
+    # total_count, deployed_count, active_count, benched_count
-        "online_units": online_units,
+    return templates.TemplateResponse(
-        "offline_units": total_units - online_units,
+        "partials/slm_stats.html",
-        "measuring_units": measuring_units,
+        {
-        "idle_units": online_units - measuring_units
+            "request": request,
+            "total_count": total_units,
+            "deployed_count": deployed,
+            "active_count": active,
+            "benched_count": benched
         }
+    )
 
 
-@router.get("/units")
+@router.get("/units", response_class=HTMLResponse)
-async def get_units_list(db: Session = Depends(get_db)):
+async def get_units_list(request: Request, db: Session = Depends(get_seismo_db)):
-    """Get list of all NL43 units with their latest status."""
+    """Get list of all SLM units from roster (returns HTML)."""
-    configs = db.query(NL43Config).all()
+    # Query SLMs from the roster (not retired)
+    slms = db.query(RosterUnit).filter_by(
+        device_type="sound_level_meter",
+        retired=False
+    ).order_by(RosterUnit.id).all()
+
     units = []
-
+    for slm in slms:
-    for config in configs:
+        # Map to template field names
-        status = db.query(NL43Status).filter_by(unit_id=config.unit_id).first()
-
-        # Determine if unit is online (status updated within last 5 minutes)
-        from datetime import datetime, timedelta
-        is_online = False
-        if status and status.last_seen:
-            five_min_ago = datetime.utcnow() - timedelta(minutes=5)
-            is_online = status.last_seen >= five_min_ago
-
         unit_data = {
-            "unit_id": config.unit_id,
+            "id": slm.id,
-            "host": config.host,
+            "slm_host": slm.slm_host,
-            "tcp_port": config.tcp_port,
+            "slm_tcp_port": slm.slm_tcp_port,
-            "tcp_enabled": config.tcp_enabled,
+            "slm_last_check": slm.slm_last_check,
-            "is_online": is_online,
+            "slm_model": slm.slm_model or "NL-43",
-            "measurement_state": status.measurement_state if status else "unknown",
+            "address": slm.address,
-            "last_seen": status.last_seen.isoformat() if status and status.last_seen else None,
+            "deployed_with_modem_id": slm.deployed_with_modem_id,
-            "lp": status.lp if status else None,
-            "leq": status.leq if status else None,
-            "lmax": status.lmax if status else None,
-            "battery_level": status.battery_level if status else None,
         }
         units.append(unit_data)
 
-    return {"units": units}
+    return templates.TemplateResponse(
-
+        "partials/slm_unit_list.html",
-
+        {
-@router.get("/live-view/{unit_id}")
+            "request": request,
-async def get_live_view(unit_id: str, db: Session = Depends(get_db)):
+            "units": units
-    """Get live measurement data for a specific unit."""
-    status = db.query(NL43Status).filter_by(unit_id=unit_id).first()
-    if not status:
-        raise HTTPException(status_code=404, detail="Unit not found")
-
-    return {
-        "unit_id": unit_id,
-        "last_seen": status.last_seen.isoformat() if status.last_seen else None,
-        "measurement_state": status.measurement_state,
-        "measurement_start_time": status.measurement_start_time.isoformat() if status.measurement_start_time else None,
-        "counter": status.counter,
-        "lp": status.lp,
-        "leq": status.leq,
-        "lmax": status.lmax,
-        "lmin": status.lmin,
-        "lpeak": status.lpeak,
-        "battery_level": status.battery_level,
-        "power_source": status.power_source,
-        "sd_remaining_mb": status.sd_remaining_mb,
-        "sd_free_ratio": status.sd_free_ratio,
         }
+    )
+
+
+@router.get("/live-view/{unit_id}", response_class=HTMLResponse)
+async def get_live_view(unit_id: str, request: Request, slm_db: Session = Depends(get_slm_db), roster_db: Session = Depends(get_seismo_db)):
+    """Get live measurement data for a specific unit (returns HTML)."""
+    # Get unit from roster
+    unit = roster_db.query(RosterUnit).filter_by(
+        id=unit_id,
+        device_type="sound_level_meter"
+    ).first()
+
+    if not unit:
+        return templates.TemplateResponse(
+            "partials/slm_live_view_error.html",
+            {
+                "request": request,
+                "error": f"Unit {unit_id} not found in roster"
+            }
+        )
+
+    # Get status from monitoring database (may not exist yet)
+    status = slm_db.query(NL43Status).filter_by(unit_id=unit_id).first()
+
+    # Get modem info if available
+    modem = None
+    modem_ip = None
+    if unit.deployed_with_modem_id:
+        modem = roster_db.query(RosterUnit).filter_by(
+            id=unit.deployed_with_modem_id,
+            device_type="modem"
+        ).first()
+        if modem:
+            modem_ip = modem.ip_address
+    elif unit.slm_host:
+        modem_ip = unit.slm_host
+
+    # Determine if measuring
+    is_measuring = False
+    if status and status.measurement_state:
+        is_measuring = status.measurement_state.lower() == 'start'
+
+    return templates.TemplateResponse(
+        "partials/slm_live_view.html",
+        {
+            "request": request,
+            "unit": unit,
+            "modem": modem,
+            "modem_ip": modem_ip,
+            "current_status": status,
+            "is_measuring": is_measuring
+        }
+    )
 
 
 @router.get("/config/{unit_id}")
-async def get_unit_config(unit_id: str, db: Session = Depends(get_db)):
+async def get_unit_config(unit_id: str, db: Session = Depends(get_slm_db)):
     """Get configuration for a specific unit."""
     config = db.query(NL43Config).filter_by(unit_id=unit_id).first()
     if not config:
@@ -122,7 +159,7 @@ async def get_unit_config(unit_id: str, db: Session = Depends(get_db)):
 
 
 @router.post("/config/{unit_id}")
-async def update_unit_config(unit_id: str, config_data: Dict[str, Any], db: Session = Depends(get_db)):
+async def update_unit_config(unit_id: str, config_data: Dict[str, Any], db: Session = Depends(get_slm_db)):
     """Update configuration for a specific unit."""
     config = db.query(NL43Config).filter_by(unit_id=unit_id).first()
 
@@ -154,7 +191,7 @@ async def update_unit_config(unit_id: str, config_data: Dict[str, Any], db: Sess
 
 
 @router.post("/control/{unit_id}/{action}")
-async def control_unit(unit_id: str, action: str, db: Session = Depends(get_db)):
+async def control_unit(unit_id: str, action: str, db: Session = Depends(get_slm_db)):
     """Send control command to a unit (start, stop, pause, resume, etc.)."""
     config = db.query(NL43Config).filter_by(unit_id=unit_id).first()
     if not config:
@@ -201,7 +238,7 @@ async def control_unit(unit_id: str, action: str, db: Session = Depends(get_db))
 
 
 @router.get("/test-modem/{unit_id}")
-async def test_modem(unit_id: str, db: Session = Depends(get_db)):
+async def test_modem(unit_id: str, db: Session = Depends(get_slm_db)):
     """Test connectivity to a unit's modem/device."""
     config = db.query(NL43Config).filter_by(unit_id=unit_id).first()
     if not config:

dfjkl

@@ -1,41 +0,0 @@
-16eb9eb (HEAD -> dev) migration Part 1.
-991aaca chore: modular monolith folder split (no behavior change)
-893cb96 fixed syntax error, unexpected token
-c30d7fa (origin/dev) SLM config now sync to SLMM, SLMM caches configs for speed
-6d34e54 Update Terra-view SLM live view to use correct DRD field names
-4d74eda 0.4.2 - Early implementation of SLMs. WIP.
-96cb27e v0.4.1
-85b211e bugfix: unit status updating based on last heard, not just using cached status
-e16f61a slm integration added
-dba4ad1 refactor: clean up whitespace and improve formatting in emit_status_snapshot function
-e78d252 (origin/wip/nl43-scaffold-backup, wip/nl43-scaffold-backup) .dockerignore improve for deployment
-ab9c650 .dockerignore improve for deployment
-2d22d0d docs updated to v0.4.0
-7d17d35 settings oragnized, DB management system fixes
-7c89d20 renamed datamanagement to roster management
-27f8719 db management system added
-d97999e unit history added
-191dcef Photo mode feature added.
-6db958f map overlap bug fixed
-3a41b81 docs updated for 0.3.2
-3aff0cb fixed mobile modal view status
-7cadd97 Bump version to v0.3.2
-274e390 Full PWA mobile version added, bug fixes on deployment status, navigation links added
-195df96 0.3.0 update-docs updated
-6fc8721 settings overhaul, many QOL improvements
-690669c v0.2.2-series4 endpoint added, dev branch set up at :1001
-83593f7 update docs
-4cef580 v0.2.1.  many features added and cleaned up.
-dc85380 v0.2 fleet overhaul
-802601a pre refactor
-e46f668 added frontend unit addition/editing
-90ecada v0.1.1 update
-938e950 Merge pull request #3 from serversdwn/main
-a6ad9fd Merge pull request #2 from serversdwn/claude/seismo-frontend-scaffold-015sto5mf2MpPCE57TbNKtaF
-02a99ea (origin/claude/seismo-frontend-scaffold-015sto5mf2MpPCE57TbNKtaF, claude/seismo-frontend-scaffold-015sto5mf2MpPCE57TbNKtaF) Fix Docker configuration for new backend structure
-247405c Add MVP frontend scaffold with FastAPI + HTMX + TailwindCSS
-e7e660a Merge pull request #1 from serversdwn/claude/seismo-backend-server-01FsCdpT2WT4B342V3KtWx38
-36ce63f (origin/claude/seismo-backend-server-01FsCdpT2WT4B342V3KtWx38, claude/seismo-backend-server-01FsCdpT2WT4B342V3KtWx38) Change exposed port from 8000 to 8001 to avoid port conflict
-05c6336 Containerize backend with Docker Compose
-f976e4e Add Seismo Fleet Manager backend v0.1
-c1bdf17 (origin/main, origin/HEAD, main) Initial commit

docker-compose.yml

@@ -1,7 +1,8 @@
 services:
 
-  # --- TERRA-VIEW UI/ORCHESTRATOR (PRODUCTION) ---
+  # --- TERRA-VIEW (PRODUCTION) ---
-  # Serves HTML, proxies to SFM and SLMM backends
+  # Unified application: UI + Seismograph logic + SLM dashboard/proxy
+  # Only external HTTP dependency: SLMM backend for NL-43 device communication
   terra-view-prod:
     build:
       context: .
@@ -14,13 +15,11 @@ services:
       - PYTHONUNBUFFERED=1
       - ENVIRONMENT=production
       - PORT=8001
-      - SFM_API_URL=http://localhost:8002     # New: Points to SFM container
       - SLMM_API_URL=http://localhost:8100    # Points to SLMM container
     restart: unless-stopped
     depends_on:
-      - sfm
       - slmm
-    command: python3 -m app.main              # Runs full Terra-View (UI + orchestration)
+    command: python3 -m app.main              # Runs full Terra-View (UI + seismo + SLM)
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:8001/health"]
       interval: 30s
@@ -28,7 +27,7 @@ services:
       retries: 3
       start_period: 40s
 
-  # --- TERRA-VIEW UI/ORCHESTRATOR (DEVELOPMENT) ---
+  # --- TERRA-VIEW (DEVELOPMENT) ---
   terra-view-dev:
     build:
       context: .
@@ -41,11 +40,9 @@ services:
       - PYTHONUNBUFFERED=1
       - ENVIRONMENT=development
       - PORT=1001
-      - SFM_API_URL=http://localhost:8002
       - SLMM_API_URL=http://localhost:8100
     restart: unless-stopped
     depends_on:
-      - sfm
       - slmm
     profiles:
       - dev
@@ -57,30 +54,6 @@ services:
       retries: 3
       start_period: 40s
 
-  # --- SFM - SEISMOGRAPH FLEET MODULE (BACKEND API) ---
-  # Eventually will be API-only, but for now runs same code as Terra-View
-  sfm:
-    build:
-      context: .
-      dockerfile: Dockerfile.sfm
-    container_name: sfm
-    network_mode: host
-    volumes:
-      - ./data:/app/data
-    environment:
-      - PYTHONUNBUFFERED=1
-      - ENVIRONMENT=production
-      - PORT=8002                           # Different port from Terra-View
-      - MODULE_MODE=sfm                     # Future: Tells app to run SFM-only mode
-    restart: unless-stopped
-    command: python3 -m app.main            # For now: Same entry point, different port
-    healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8002/health"]
-      interval: 30s
-      timeout: 10s
-      retries: 3
-      start_period: 40s
-
   # --- SLMM (Sound Level Meter Manager) ---
   slmm:
     build: