feat: Add Playbook Manager, Saved Searches, and Timeline View components

- Implemented PlaybookManager for creating and managing investigation playbooks with templates.
- Added SavedSearches component for managing bookmarked queries and recurring scans.
- Introduced TimelineView for visualizing forensic event timelines with zoomable charts.
- Enhanced backend processing with auto-queued jobs for dataset uploads and improved database concurrency.
- Updated frontend components for better user experience and performance optimizations.
- Documented changes in update log for future reference.

backend/app/services/host_profiler.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import asyncio
+import re
 import json
 import logging
 
@@ -18,6 +19,9 @@ logger = logging.getLogger(__name__)
 HEAVY_MODEL = settings.DEFAULT_HEAVY_MODEL
 WILE_URL = f"{settings.wile_url}/api/generate"
 
+# Velociraptor client IDs (C.hex) are not real hostnames
+CLIENTID_RE = re.compile(r"^C\.[0-9a-fA-F]{8,}$")
+
 
 async def _get_triage_summary(db, dataset_id: str) -> str:
     result = await db.execute(
@@ -154,7 +158,7 @@ async def profile_host(
             logger.info("Host profile %s: risk=%.1f level=%s", hostname, profile.risk_score, profile.risk_level)
 
         except Exception as e:
-            logger.error("Failed to profile host %s: %s", hostname, e)
+            logger.error("Failed to profile host %s: %r", hostname, e)
             profile = HostProfile(
                 hunt_id=hunt_id, hostname=hostname, fqdn=fqdn,
                 risk_score=0.0, risk_level="unknown",
@@ -185,6 +189,13 @@ async def profile_all_hosts(hunt_id: str) -> None:
                     if h not in hostnames:
                         hostnames[h] = data.get("fqdn") or data.get("Fqdn")
 
+    # Filter out Velociraptor client IDs - not real hostnames
+    real_hosts = {h: f for h, f in hostnames.items() if not CLIENTID_RE.match(h)}
+    skipped = len(hostnames) - len(real_hosts)
+    if skipped:
+        logger.info("Skipped %d Velociraptor client IDs", skipped)
+    hostnames = real_hosts
+
     logger.info("Discovered %d unique hosts in hunt %s", len(hostnames), hunt_id)
 
     semaphore = asyncio.Semaphore(settings.HOST_PROFILE_CONCURRENCY)