FIX: QVAC Updates

user-guide/qvac.md

@@ -79,17 +79,23 @@ If a build was made with `PEARDATA_SKIP_QVAC=1`, the tab stays tools-only (metri
 
 ## Tools available to chat
 
+Tools are tiered (core always; deep on Recommended/Strong; write for operators).
+
 | Tool | Purpose |
 |------|---------|
-| `host_snapshot` | Live health + KPIs |
-| `search_charts` / `summarize_chart` / `query_metric` | Catalog + time series |
-| `list_anomalies` / `list_alerts` | Anomaly / alert state |
+| `investigate_host` | **Best first call** — findings, hot charts, top processes |
+| `host_snapshot` | Lighter live health + KPIs |
+| `hot_metrics` / `related_charts` / `compare_chart_windows` | Investigation drill-down |
+| `search_charts` / `summarize_chart` / `summarize_charts` / `query_metric` | Catalog + time series |
+| `get_weights` | Correlation / influence for a chart |
+| `list_anomalies` / `list_alerts` / `get_alert` | Anomaly / alert state |
 | `list_processes` | Top processes (when enabled on agent) |
 | `query_logs` | Journal / anomaly / audit lines |
-| `fleet_health` / `storage_info` | Fleet + retention |
+| `fleet_health` / `list_child_peers` / `storage_info` | Fleet + retention |
+| `agent_health` / `node_info` / `db_info` / `list_contexts` / `get_chart` / `list_jobs` | Agent meta |
 | `local_knowledge` | Offline product how-tos |
 | `open_chart` / `open_view` | Navigate the desktop UI |
-| `silence_alert` | Operator only, with confirmation |
+| `silence_alert` / `ack_alert` / `run_job` | Operator only, with confirmation |
 
 ## Privacy