SLM return to project button added.

backend/main.py

@@ -7,7 +7,7 @@ from fastapi.templating import Jinja2Templates
 from fastapi.responses import HTMLResponse, FileResponse, JSONResponse
 from fastapi.exceptions import RequestValidationError
 from sqlalchemy.orm import Session
-from typing import List, Dict
+from typing import List, Dict, Optional
 from pydantic import BaseModel
 
 # Configure logging
@@ -158,11 +158,24 @@ async def sound_level_meters_page(request: Request):
 
 
 @app.get("/slm/{unit_id}", response_class=HTMLResponse)
-async def slm_legacy_dashboard(request: Request, unit_id: str):
+async def slm_legacy_dashboard(
+    request: Request,
+    unit_id: str,
+    from_project: Optional[str] = None,
+    db: Session = Depends(get_db)
+):
     """Legacy SLM control center dashboard for a specific unit"""
+    # Get project details if from_project is provided
+    project = None
+    if from_project:
+        from backend.models import Project
+        project = db.query(Project).filter_by(id=from_project).first()
+
     return templates.TemplateResponse("slm_legacy_dashboard.html", {
         "request": request,
-        "unit_id": unit_id
+        "unit_id": unit_id,
+        "from_project": from_project,
+        "project": project
     })
 
 

backend/routers/projects.py

@@ -17,6 +17,7 @@ from datetime import datetime, timedelta
 from typing import Optional
 import uuid
 import json
+import logging
 
 from backend.database import get_db
 from backend.models import (
@@ -31,6 +32,7 @@ from backend.models import (
 
 router = APIRouter(prefix="/api/projects", tags=["projects"])
 templates = Jinja2Templates(directory="templates")
+logger = logging.getLogger(__name__)
 
 
 # ============================================================================
@@ -565,6 +567,183 @@ async def get_project_files(
     })
 
 
+@router.get("/{project_id}/ftp-browser", response_class=HTMLResponse)
+async def get_ftp_browser(
+    project_id: str,
+    request: Request,
+    db: Session = Depends(get_db),
+):
+    """
+    Get FTP browser interface for downloading files from assigned SLMs.
+    Returns HTML partial with FTP browser.
+    """
+    from backend.models import DataFile
+
+    # Get all assignments for this project
+    assignments = db.query(UnitAssignment).filter(
+        and_(
+            UnitAssignment.project_id == project_id,
+            UnitAssignment.status == "active",
+        )
+    ).all()
+
+    # Enrich with unit and location details
+    units_data = []
+    for assignment in assignments:
+        unit = db.query(RosterUnit).filter_by(id=assignment.unit_id).first()
+        location = db.query(MonitoringLocation).filter_by(id=assignment.location_id).first()
+
+        # Only include SLM units
+        if unit and unit.device_type == "sound_level_meter":
+            units_data.append({
+                "assignment": assignment,
+                "unit": unit,
+                "location": location,
+            })
+
+    return templates.TemplateResponse("partials/projects/ftp_browser.html", {
+        "request": request,
+        "project_id": project_id,
+        "units": units_data,
+    })
+
+
+@router.post("/{project_id}/ftp-download-to-server")
+async def ftp_download_to_server(
+    project_id: str,
+    request: Request,
+    db: Session = Depends(get_db),
+):
+    """
+    Download a file from an SLM to the server via FTP.
+    Creates a DataFile record and stores the file in data/Projects/{project_id}/
+    """
+    import httpx
+    import os
+    import hashlib
+    from pathlib import Path
+    from backend.models import DataFile
+
+    data = await request.json()
+    unit_id = data.get("unit_id")
+    remote_path = data.get("remote_path")
+    location_id = data.get("location_id")
+
+    if not unit_id or not remote_path:
+        raise HTTPException(status_code=400, detail="Missing unit_id or remote_path")
+
+    # Get or create active session for this location/unit
+    session = db.query(RecordingSession).filter(
+        and_(
+            RecordingSession.project_id == project_id,
+            RecordingSession.location_id == location_id,
+            RecordingSession.unit_id == unit_id,
+            RecordingSession.status.in_(["recording", "paused"])
+        )
+    ).first()
+
+    # If no active session, create one
+    if not session:
+        session = RecordingSession(
+            id=str(uuid.uuid4()),
+            project_id=project_id,
+            location_id=location_id,
+            unit_id=unit_id,
+            status="completed",
+            started_at=datetime.utcnow(),
+            stopped_at=datetime.utcnow(),
+            notes="Auto-created for FTP download"
+        )
+        db.add(session)
+        db.commit()
+        db.refresh(session)
+
+    # Download file from SLMM
+    SLMM_BASE_URL = os.getenv("SLMM_BASE_URL", "http://localhost:8100")
+
+    try:
+        async with httpx.AsyncClient(timeout=300.0) as client:
+            response = await client.post(
+                f"{SLMM_BASE_URL}/api/nl43/{unit_id}/ftp/download",
+                json={"remote_path": remote_path}
+            )
+
+            if not response.is_success:
+                raise HTTPException(
+                    status_code=response.status_code,
+                    detail=f"Failed to download from SLMM: {response.text}"
+                )
+
+            # Extract filename from remote_path
+            filename = os.path.basename(remote_path)
+
+            # Determine file type from extension
+            ext = os.path.splitext(filename)[1].lower()
+            file_type_map = {
+                '.wav': 'audio',
+                '.mp3': 'audio',
+                '.csv': 'data',
+                '.txt': 'data',
+                '.log': 'log',
+                '.json': 'data',
+            }
+            file_type = file_type_map.get(ext, 'data')
+
+            # Create directory structure: data/Projects/{project_id}/{session_id}/
+            project_dir = Path(f"data/Projects/{project_id}/{session.id}")
+            project_dir.mkdir(parents=True, exist_ok=True)
+
+            # Save file to disk
+            file_path = project_dir / filename
+            file_content = response.content
+
+            with open(file_path, 'wb') as f:
+                f.write(file_content)
+
+            # Calculate checksum
+            checksum = hashlib.sha256(file_content).hexdigest()
+
+            # Create DataFile record
+            data_file = DataFile(
+                id=str(uuid.uuid4()),
+                session_id=session.id,
+                file_path=str(file_path.relative_to("data")),  # Store relative to data/
+                file_type=file_type,
+                file_size_bytes=len(file_content),
+                downloaded_at=datetime.utcnow(),
+                checksum=checksum,
+                file_metadata=json.dumps({
+                    "source": "ftp",
+                    "remote_path": remote_path,
+                    "unit_id": unit_id,
+                    "location_id": location_id,
+                })
+            )
+
+            db.add(data_file)
+            db.commit()
+
+            return {
+                "success": True,
+                "message": f"Downloaded {filename} to server",
+                "file_id": data_file.id,
+                "file_path": str(file_path),
+                "file_size": len(file_content),
+            }
+
+    except httpx.TimeoutException:
+        raise HTTPException(
+            status_code=504,
+            detail="Timeout downloading file from SLM"
+        )
+    except Exception as e:
+        logger.error(f"Error downloading file to server: {e}")
+        raise HTTPException(
+            status_code=500,
+            detail=f"Failed to download file to server: {str(e)}"
+        )
+
+
 # ============================================================================
 # Project Types
 # ============================================================================

templates/partials/projects/ftp_browser.html

@@ -0,0 +1,331 @@
+<!-- FTP File Browser for SLMs -->
+<div class="bg-white dark:bg-slate-800 rounded-xl shadow-lg p-6 mb-6">
+    <h2 class="text-xl font-semibold text-gray-900 dark:text-white mb-4">Download Files from SLMs</h2>
+
+    {% if units %}
+        <div class="space-y-6">
+            {% for unit_item in units %}
+            <div class="border border-gray-200 dark:border-gray-700 rounded-lg overflow-hidden">
+                <!-- Unit Header -->
+                <div class="bg-gray-50 dark:bg-gray-900 px-4 py-3 flex items-center justify-between">
+                    <div class="flex items-center gap-3">
+                        <h3 class="font-semibold text-gray-900 dark:text-white">
+                            {{ unit_item.unit.id }}
+                        </h3>
+                        {% if unit_item.location %}
+                        <span class="text-xs text-gray-500 dark:text-gray-400">
+                            @ {{ unit_item.location.name }}
+                        </span>
+                        {% endif %}
+                        <span id="ftp-status-{{ unit_item.unit.id }}" class="px-2 py-1 text-xs font-medium rounded-full bg-gray-200 text-gray-700 dark:bg-gray-700 dark:text-gray-300">
+                            Checking...
+                        </span>
+                    </div>
+                    <div class="flex items-center gap-2">
+                        <button onclick="enableFTP('{{ unit_item.unit.id }}')"
+                                id="enable-ftp-{{ unit_item.unit.id }}"
+                                class="px-3 py-1 text-xs bg-green-600 text-white rounded-lg hover:bg-green-700 transition-colors"
+                                disabled>
+                            Enable FTP
+                        </button>
+                        <button onclick="disableFTP('{{ unit_item.unit.id }}')"
+                                id="disable-ftp-{{ unit_item.unit.id }}"
+                                class="px-3 py-1 text-xs bg-red-600 text-white rounded-lg hover:bg-red-700 transition-colors"
+                                disabled>
+                            Disable FTP
+                        </button>
+                        <button onclick="loadFTPFiles('{{ unit_item.unit.id }}', '/NL43_DATA')"
+                                id="browse-ftp-{{ unit_item.unit.id }}"
+                                class="px-3 py-1 text-xs bg-seismo-orange text-white rounded-lg hover:bg-seismo-navy transition-colors"
+                                disabled>
+                            Browse Files
+                        </button>
+                    </div>
+                </div>
+
+                <!-- FTP File List -->
+                <div id="ftp-files-{{ unit_item.unit.id }}" class="hidden" data-location-id="{{ unit_item.location.id if unit_item.location else '' }}">
+                    <div class="p-4">
+                        <div class="flex items-center gap-2 mb-3">
+                            <svg class="w-5 h-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-6l-2-2H5a2 2 0 00-2 2z"></path>
+                            </svg>
+                            <span id="current-path-{{ unit_item.unit.id }}" class="text-sm font-mono text-gray-600 dark:text-gray-400">/NL43_DATA</span>
+                            <button onclick="loadFTPFiles('{{ unit_item.unit.id }}', '/NL43_DATA')"
+                                    class="ml-auto text-xs px-2 py-1 bg-gray-100 dark:bg-gray-700 rounded hover:bg-gray-200 dark:hover:bg-gray-600">
+                                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"></path>
+                                </svg>
+                            </button>
+                        </div>
+                        <div id="ftp-file-list-{{ unit_item.unit.id }}" class="space-y-1">
+                            <!-- Files will be loaded here -->
+                        </div>
+                    </div>
+                </div>
+            </div>
+            {% endfor %}
+        </div>
+    {% else %}
+        <div class="text-center py-8 text-gray-500 dark:text-gray-400">
+            <svg class="w-12 h-12 mx-auto mb-3 opacity-50" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 3v2m6-2v2M9 19v2m6-2v2M5 9H3m2 6H3m18-6h-2m2 6h-2M7 19h10a2 2 0 002-2V7a2 2 0 00-2-2H7a2 2 0 00-2 2v10a2 2 0 002 2zM9 9h6v6H9V9z"></path>
+            </svg>
+            <p>No units assigned to this project</p>
+        </div>
+    {% endif %}
+</div>
+
+<script>
+// Check FTP status for all units on load
+document.addEventListener('DOMContentLoaded', function() {
+    {% for unit_item in units %}
+    checkFTPStatus('{{ unit_item.unit.id }}');
+    {% endfor %}
+});
+
+async function checkFTPStatus(unitId) {
+    const statusSpan = document.getElementById(`ftp-status-${unitId}`);
+    const enableBtn = document.getElementById(`enable-ftp-${unitId}`);
+    const disableBtn = document.getElementById(`disable-ftp-${unitId}`);
+    const browseBtn = document.getElementById(`browse-ftp-${unitId}`);
+
+    try {
+        const response = await fetch(`/api/slmm/${unitId}/ftp/status`);
+        const data = await response.json();
+
+        if (data.ftp_enabled) {
+            statusSpan.textContent = 'FTP Enabled';
+            statusSpan.className = 'px-2 py-1 text-xs font-medium rounded-full bg-green-100 text-green-800 dark:bg-green-900/30 dark:text-green-300';
+            enableBtn.disabled = true;
+            disableBtn.disabled = false;
+            browseBtn.disabled = false;
+        } else {
+            statusSpan.textContent = 'FTP Disabled';
+            statusSpan.className = 'px-2 py-1 text-xs font-medium rounded-full bg-gray-200 text-gray-700 dark:bg-gray-700 dark:text-gray-300';
+            enableBtn.disabled = false;
+            disableBtn.disabled = true;
+            browseBtn.disabled = true;
+        }
+    } catch (error) {
+        statusSpan.textContent = 'Error';
+        statusSpan.className = 'px-2 py-1 text-xs font-medium rounded-full bg-red-100 text-red-800 dark:bg-red-900/30 dark:text-red-300';
+        console.error('Error checking FTP status:', error);
+    }
+}
+
+async function enableFTP(unitId) {
+    const enableBtn = document.getElementById(`enable-ftp-${unitId}`);
+    enableBtn.disabled = true;
+    enableBtn.textContent = 'Enabling...';
+
+    try {
+        const response = await fetch(`/api/slmm/${unitId}/ftp/enable`, {
+            method: 'POST'
+        });
+
+        if (response.ok) {
+            await checkFTPStatus(unitId);
+            // Auto-load files after enabling
+            setTimeout(() => loadFTPFiles(unitId, '/NL43_DATA'), 1000);
+        } else {
+            alert('Failed to enable FTP');
+        }
+    } catch (error) {
+        alert('Error enabling FTP: ' + error);
+    } finally {
+        enableBtn.textContent = 'Enable FTP';
+        enableBtn.disabled = false;
+    }
+}
+
+async function disableFTP(unitId) {
+    if (!confirm('Disable FTP on this unit? This will close the FTP connection.')) return;
+
+    const disableBtn = document.getElementById(`disable-ftp-${unitId}`);
+    disableBtn.disabled = true;
+    disableBtn.textContent = 'Disabling...';
+
+    try {
+        const response = await fetch(`/api/slmm/${unitId}/ftp/disable`, {
+            method: 'POST'
+        });
+
+        if (response.ok) {
+            await checkFTPStatus(unitId);
+            // Hide file list
+            document.getElementById(`ftp-files-${unitId}`).classList.add('hidden');
+        } else {
+            alert('Failed to disable FTP');
+        }
+    } catch (error) {
+        alert('Error disabling FTP: ' + error);
+    } finally {
+        disableBtn.textContent = 'Disable FTP';
+        disableBtn.disabled = false;
+    }
+}
+
+async function loadFTPFiles(unitId, path) {
+    const fileListDiv = document.getElementById(`ftp-file-list-${unitId}`);
+    const filesContainer = document.getElementById(`ftp-files-${unitId}`);
+    const currentPathSpan = document.getElementById(`current-path-${unitId}`);
+
+    // Show loading
+    fileListDiv.innerHTML = '<div class="text-center py-4 text-gray-500">Loading files...</div>';
+    filesContainer.classList.remove('hidden');
+    currentPathSpan.textContent = path;
+
+    try {
+        const response = await fetch(`/api/slmm/${unitId}/ftp/files?path=${encodeURIComponent(path)}`);
+        const data = await response.json();
+
+        if (!data.files || data.files.length === 0) {
+            fileListDiv.innerHTML = '<div class="text-center py-4 text-gray-500">No files found</div>';
+            return;
+        }
+
+        // Sort: directories first, then files
+        const sorted = data.files.sort((a, b) => {
+            if (a.is_dir && !b.is_dir) return -1;
+            if (!a.is_dir && b.is_dir) return 1;
+            return a.name.localeCompare(b.name);
+        });
+
+        // Render file list
+        let html = '';
+        for (const file of sorted) {
+            const icon = file.is_dir
+                ? '<svg class="w-5 h-5 text-blue-500" fill="currentColor" viewBox="0 0 20 20"><path d="M2 6a2 2 0 012-2h5l2 2h5a2 2 0 012 2v6a2 2 0 01-2 2H4a2 2 0 01-2-2V6z"></path></svg>'
+                : '<svg class="w-5 h-5 text-gray-400" fill="currentColor" viewBox="0 0 20 20"><path fill-rule="evenodd" d="M4 4a2 2 0 012-2h4.586A2 2 0 0112 2.586L15.414 6A2 2 0 0116 7.414V16a2 2 0 01-2 2H6a2 2 0 01-2-2V4z" clip-rule="evenodd"></path></svg>';
+
+            const sizeStr = file.is_dir ? '' : formatFileSize(file.size);
+            const clickAction = file.is_dir
+                ? `onclick="loadFTPFiles('${unitId}', '${file.path}')"`
+                : '';
+
+            html += `
+                <div class="flex items-center gap-3 px-3 py-2 hover:bg-gray-50 dark:hover:bg-gray-800 rounded ${file.is_dir ? 'cursor-pointer' : ''}" ${clickAction}>
+                    ${icon}
+                    <div class="flex-1 min-w-0">
+                        <div class="text-sm font-medium text-gray-900 dark:text-white truncate">${file.name}</div>
+                        <div class="text-xs text-gray-500 dark:text-gray-400">${file.modified}${sizeStr ? ' • ' + sizeStr : ''}</div>
+                    </div>
+                    ${!file.is_dir ? `
+                    <div class="flex items-center gap-2">
+                        <button onclick="downloadToServer('${unitId}', '${file.path}', '${file.name}')"
+                                class="px-3 py-1 text-xs bg-green-600 text-white rounded hover:bg-green-700 transition-colors"
+                                title="Download to server and add to database">
+                            <svg class="w-3 h-3 inline mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 12h14M5 12a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v4a2 2 0 01-2 2M5 12a2 2 0 00-2 2v4a2 2 0 002 2h14a2 2 0 002-2v-4a2 2 0 00-2-2m-2-4h.01M17 16h.01"></path>
+                            </svg>
+                            To Server
+                        </button>
+                        <button onclick="downloadFTPFile('${unitId}', '${file.path}', '${file.name}')"
+                                class="px-3 py-1 text-xs bg-seismo-orange text-white rounded hover:bg-seismo-navy transition-colors"
+                                title="Download directly to your computer">
+                            <svg class="w-3 h-3 inline mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"></path>
+                            </svg>
+                            To Browser
+                        </button>
+                    </div>
+                    ` : ''}
+                </div>
+            `;
+        }
+
+        fileListDiv.innerHTML = html;
+    } catch (error) {
+        fileListDiv.innerHTML = '<div class="text-center py-4 text-red-500">Error loading files: ' + error + '</div>';
+        console.error('Error loading FTP files:', error);
+    }
+}
+
+async function downloadFTPFile(unitId, remotePath, fileName) {
+    const btn = event.target;
+    btn.disabled = true;
+    btn.textContent = 'Downloading...';
+
+    try {
+        const response = await fetch(`/api/slmm/${unitId}/ftp/download`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                remote_path: remotePath
+            })
+        });
+
+        if (response.ok) {
+            const blob = await response.blob();
+            const url = window.URL.createObjectURL(blob);
+            const a = document.createElement('a');
+            a.href = url;
+            a.download = fileName;
+            document.body.appendChild(a);
+            a.click();
+            window.URL.revokeObjectURL(url);
+            document.body.removeChild(a);
+        } else {
+            const errorData = await response.json();
+            alert('Download failed: ' + (errorData.detail || 'Unknown error'));
+        }
+    } catch (error) {
+        alert('Error downloading file: ' + error);
+    } finally {
+        btn.disabled = false;
+        btn.textContent = 'Download';
+    }
+}
+
+async function downloadToServer(unitId, remotePath, fileName) {
+    const btn = event.target;
+    const originalText = btn.innerHTML;
+    btn.disabled = true;
+    btn.innerHTML = '<svg class="w-3 h-3 inline mr-1 animate-spin" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"></path></svg>Downloading...';
+
+    // Get location_id from the unit's data attribute
+    const unitContainer = btn.closest('[id^="ftp-files-"]');
+    const locationId = unitContainer.dataset.locationId;
+
+    try {
+        const response = await fetch(`/api/projects/{{ project_id }}/ftp-download-to-server`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                unit_id: unitId,
+                remote_path: remotePath,
+                location_id: locationId
+            })
+        });
+
+        const data = await response.json();
+
+        if (response.ok) {
+            // Show success message
+            alert(`✓ ${fileName} downloaded to server successfully!\n\nFile ID: ${data.file_id}\nSize: ${formatFileSize(data.file_size)}`);
+
+            // Refresh the downloaded files list
+            htmx.trigger('#project-files', 'refresh');
+        } else {
+            alert('Download to server failed: ' + (data.detail || 'Unknown error'));
+        }
+    } catch (error) {
+        alert('Error downloading to server: ' + error);
+    } finally {
+        btn.disabled = false;
+        btn.innerHTML = originalText;
+    }
+}
+
+function formatFileSize(bytes) {
+    if (bytes < 1024) return bytes + ' B';
+    if (bytes < 1048576) return (bytes / 1024).toFixed(1) + ' KB';
+    if (bytes < 1073741824) return (bytes / 1048576).toFixed(1) + ' MB';
+    return (bytes / 1073741824).toFixed(2) + ' GB';
+}
+</script>

templates/partials/projects/session_list.html

@@ -33,7 +33,7 @@
                         {% if item.unit %}
                         <div>
                             <span class="text-xs text-gray-500 dark:text-gray-500">Unit:</span>
-                            <a href="/slm/{{ item.unit.id }}" class="text-seismo-orange hover:text-seismo-navy font-medium ml-1">
+                            <a href="/slm/{{ item.unit.id }}?from_project={{ project_id }}" class="text-seismo-orange hover:text-seismo-navy font-medium ml-1">
                                 {{ item.unit.id }}
                             </a>
                         </div>

templates/partials/projects/unit_list.html

@@ -7,7 +7,7 @@
                 <div class="min-w-0 flex-1">
                     <div class="flex items-center gap-3 mb-2">
                         <h4 class="font-semibold text-gray-900 dark:text-white">
-                            <a href="/slm/{{ item.unit.id }}" class="hover:text-seismo-orange">
+                            <a href="/slm/{{ item.unit.id }}?from_project={{ project_id }}" class="hover:text-seismo-orange">
                                 {{ item.unit.id }}
                             </a>
                         </h4>
@@ -73,7 +73,7 @@
                 </div>
 
                 <div class="flex items-center gap-2">
-                    <a href="/slm/{{ item.unit.id }}"
+                    <a href="/slm/{{ item.unit.id }}?from_project={{ project_id }}"
                        class="px-3 py-1 text-xs bg-seismo-orange text-white rounded-lg hover:bg-seismo-navy transition-colors">
                         View Unit
                     </a>

templates/projects/detail.html

@@ -180,9 +180,20 @@
 
     <!-- Data Files Tab -->
     <div id="data-tab" class="tab-panel hidden">
+        <!-- FTP File Browser -->
+        <div id="ftp-browser"
+             hx-get="/api/projects/{{ project_id }}/ftp-browser"
+             hx-trigger="load"
+             hx-swap="innerHTML">
+            <div class="bg-white dark:bg-slate-800 rounded-xl shadow-lg p-6 mb-6">
+                <div class="text-center py-8 text-gray-500">Loading FTP browser...</div>
+            </div>
+        </div>
+
+        <!-- Downloaded Files List -->
         <div class="bg-white dark:bg-slate-800 rounded-xl shadow-lg p-6">
             <div class="flex items-center justify-between mb-6">
-                <h2 class="text-xl font-semibold text-gray-900 dark:text-white">Data Files</h2>
+                <h2 class="text-xl font-semibold text-gray-900 dark:text-white">Downloaded Files</h2>
                 <div class="flex items-center gap-4">
                     <select id="files-filter" onchange="filterFiles()"
                             class="px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-lg bg-white dark:bg-gray-700 text-gray-900 dark:text-white text-sm">

templates/slm_detail.html

@@ -4,12 +4,27 @@
 
 {% block content %}
 <div class="mb-6">
+    {% if from_project and project %}
+        <nav class="flex items-center space-x-2 text-sm">
+            <a href="/projects" class="text-gray-500 hover:text-seismo-orange">Projects</a>
+            <svg class="w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
+            </svg>
+            <a href="/projects/{{ from_project }}" class="text-seismo-orange hover:text-seismo-orange-dark flex items-center">
+                <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path>
+                </svg>
+                {{ project.name }}
+            </a>
+        </nav>
+    {% else %}
         <a href="/roster" class="text-seismo-orange hover:text-seismo-orange-dark flex items-center">
             <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                 <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path>
             </svg>
             Back to Roster
         </a>
+    {% endif %}
 </div>
 
 <div class="mb-8">

templates/slm_legacy_dashboard.html

@@ -6,6 +6,22 @@
 <!-- Breadcrumb Navigation -->
 <div class="mb-6">
     <nav class="flex items-center space-x-2 text-sm">
+        {% if from_project and project %}
+            <a href="/projects" class="text-gray-500 hover:text-seismo-orange">Projects</a>
+            <svg class="w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
+            </svg>
+            <a href="/projects/{{ from_project }}" class="text-seismo-orange hover:text-seismo-navy flex items-center">
+                <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path>
+                </svg>
+                {{ project.name }}
+            </a>
+            <svg class="w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
+            </svg>
+            <span class="text-gray-900 dark:text-white font-medium">{{ unit_id }}</span>
+        {% else %}
             <a href="/sound-level-meters" class="text-seismo-orange hover:text-seismo-navy flex items-center">
                 <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                     <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"></path>
@@ -16,6 +32,7 @@
                 <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
             </svg>
             <span class="text-gray-900 dark:text-white font-medium">{{ unit_id }}</span>
+        {% endif %}
     </nav>
 </div>