feat: 31 new tests, metrics LLM counters, Dockerfile caching, Makefile targets, compose limits, code fixes

guarddog_nexus/routes/metrics.py

@@ -33,6 +33,19 @@ async def metrics(session: AsyncSession = Depends(get_session)) -> Response:
     # Latest scan timestamp
     latest = await session.scalar(select(func.max(Scan.started_at)))
 
+    # LLM analysis
+    analyzed = (
+        await session.scalar(
+            select(func.count(Finding.id)).where(
+                func.json_extract(Finding.report, "$.verdict").isnot(None)
+            )
+        )
+        or 0
+    )
+    pending = (
+        await session.scalar(select(func.count(Finding.id)).where(Finding.report.is_(None))) or 0
+    )
+
     lines = [
         "# HELP guarddog_scans_total Total number of package scans.",
         "# TYPE guarddog_scans_total counter",
@@ -46,6 +59,14 @@ async def metrics(session: AsyncSession = Depends(get_session)) -> Response:
         "# TYPE guarddog_findings_total counter",
         f"guarddog_findings_total {findings_total}",
         "",
+        "# HELP guarddog_llm_analyzed_total Total findings analyzed by LLM.",
+        "# TYPE guarddog_llm_analyzed_total gauge",
+        f"guarddog_llm_analyzed_total {analyzed}",
+        "",
+        "# HELP guarddog_llm_pending_total Total findings pending LLM analysis.",
+        "# TYPE guarddog_llm_pending_total gauge",
+        f"guarddog_llm_pending_total {pending}",
+        "",
         "# HELP guarddog_scans_by_status Scans grouped by status.",
         "# TYPE guarddog_scans_by_status gauge",
     ]