fix core report inspection and vendored roots

packages/casan-harness/assets/local-viewer/app.css

@@ -103,6 +103,11 @@ main { max-width: 1500px; margin: 0 auto; padding: 28px clamp(20px,4vw,48px) 64p
 .hero-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 24px; color: #667085; font: 10px ui-monospace, monospace; }
 .hero-actions { display: flex; flex-wrap: wrap; gap: 9px; justify-content: flex-end; }
 .trace-hero { border-radius: 18px; padding: 20px 22px; box-shadow: none; }
+.run-dossier-anchor { scroll-margin-top: 94px; outline: none; }
+.run-dossier-anchor:focus-visible {
+  border-radius: 20px;
+  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.22);
+}
 .trace-title { margin: 8px 0 !important; font-size: 18px !important; }
 .trace-meta { margin-top: 8px; }
 .rail-spaced { margin-top: 20px; }

packages/casan-harness/assets/local-viewer/app.js

@@ -202,7 +202,7 @@
       : empty("No safe evidence fields", "This control has not emitted a sanitized evidence manifest.");
     const actions = `<a class="button secondary" href="${downloadUrl(`/api/v1/reports/run/${encodeURIComponent(report.trace_id)}/export`, { format: "json" })}">JSON evidence</a>
       <a class="button primary" href="${downloadUrl(`/api/v1/reports/run/${encodeURIComponent(report.trace_id)}/export`, { format: "html" })}">Export dossier</a>`;
-    return panel(
+    return `<section id="run-dossier" class="run-dossier-anchor" tabindex="-1">${panel(
       "Run assurance",
       "Governed execution dossier",
       "A control-by-control reconstruction backed by sanitized lifecycle evidence.",
@@ -219,7 +219,7 @@
         ${disclosure("Safe evidence manifest", "Sanitized fields persisted by the harness · hidden by default", manifest, pill(`${entries.length} fields`))}
        </div>`,
       actions,
-    );
+    )}</section>`;
   }
 
   function renderH6() {
@@ -317,6 +317,16 @@
     try {
       state.run = await api(`/api/v1/reports/run/${encodeURIComponent(traceId)}`);
       setView("runs");
+      const dossier = $("#run-dossier");
+      if (dossier) {
+        requestAnimationFrame(() => {
+          dossier.focus({ preventScroll: true });
+          dossier.scrollIntoView({
+            behavior: window.matchMedia("(prefers-reduced-motion: reduce)").matches ? "auto" : "smooth",
+            block: "start",
+          });
+        });
+      }
     } catch (error) {
       showError(`Run report could not be reconstructed: ${error.message}`);
     } finally {

packages/casan-harness/scripts/bash/traceability-matrix.py

@@ -16,6 +16,9 @@ FR_RE = re.compile(r"\|\s*(FR-\d+)\s*\|\s*([^|]+?)\s*\|")
 
 
 def project_root() -> str:
+    explicit = os.environ.get("CASAN_APP_ROOT")
+    if explicit:
+        return os.path.abspath(explicit)
     # Plan-01: harness code lives in packages/casan-harness/; a fixed __file__ parent
     # depth lands on the package, not the app. Walk UP for the `.specify` state marker
     # so this resolves the app root whether invoked via packages/... or the .specify facade.

packages/casan-harness/tests/local-viewer-tests.py

@@ -11,6 +11,7 @@ import unittest
 
 
 MODULE = Path(__file__).resolve().parents[1] / "scripts" / "python" / "local_report.py"
+APP_JS = Path(__file__).resolve().parents[1] / "assets" / "local-viewer" / "app.js"
 SPEC = importlib.util.spec_from_file_location("casan_local_report", MODULE)
 REPORT = importlib.util.module_from_spec(SPEC)
 assert SPEC.loader
@@ -153,6 +154,13 @@ class LocalReportTests(unittest.TestCase):
         self.assertEqual(report["verdict"], "not_found")
         self.assertFalse(report["source"]["trace_found"])
 
+    def test_trace_inspection_reveals_the_loaded_dossier(self):
+        script = APP_JS.read_text(encoding="utf-8")
+        self.assertIn('id="run-dossier"', script)
+        self.assertIn('tabindex="-1"', script)
+        self.assertIn('dossier.focus({ preventScroll: true })', script)
+        self.assertIn("dossier.scrollIntoView({", script)
+
 
 if __name__ == "__main__":
     unittest.main()

packages/casan-harness/tests/phase10-traceability-tests.sh

@@ -90,6 +90,35 @@ set -e 2>/dev/null || true
   && pass "out-of-range line ref fails the gate (line-level)" \
   || fail "line ref did not fail as expected (rc=$RC)"
 
+echo ""
+echo "===== Plan-10 vendored consumer root ====="
+CONSUMER="$WORK/consumer"
+python3 - "$CONSUMER" <<'PY'
+import json
+import os
+import sys
+
+root = sys.argv[1]
+os.makedirs(os.path.join(root, "domain"), exist_ok=True)
+os.makedirs(os.path.join(root, "src"), exist_ok=True)
+os.makedirs(os.path.join(root, "tests"), exist_ok=True)
+with open(os.path.join(root, "domain", "requirement.md"), "w", encoding="utf-8") as handle:
+    handle.write("| FR-01 | Consumer root must resolve | required |\n")
+with open(os.path.join(root, "domain", "traceability-map.json"), "w", encoding="utf-8") as handle:
+    json.dump({"FR-01": {"code": ["src/app.py"], "tests": ["tests/test_app.py"]}}, handle)
+for relative in ("src/app.py", "tests/test_app.py"):
+    with open(os.path.join(root, relative), "w", encoding="utf-8") as handle:
+        handle.write("# consumer fixture\n")
+PY
+if CASAN_APP_ROOT="$CONSUMER" python3 "$S/traceability-matrix.py" \
+  --requirements "$CONSUMER/domain/requirement.md" \
+  --map "$CONSUMER/domain/traceability-map.json" \
+  --out "$WORK/consumer-traceability.json" --gate >/dev/null; then
+  pass "explicit consumer root wins over vendored harness location"
+else
+  fail "vendored traceability resolved files against the harness bundle"
+fi
+
 echo ""
 echo "===== TRACEABILITY SUMMARY: PASS=$PASS FAIL=$FAIL ====="
 [[ "$FAIL" -eq 0 ]] || exit 1