homepage: capability equivalence on the AI cards

Every fleet model card (and the #models docs section) now states, in
plain family-facing terms, what the model is equivalent to:
frank-large ~ Claude Sonnet 5 / OpenAI-Luna, frank-primary ~ Claude
Opus 4.8 / OpenAI-Terra (both Summer 2026 frontier), frank-secondary ~
last year (2025) frontier. Rendered as a new details.equiv line
(desc-equiv, styled in the head color, bare-mode clean); pinned in
homepage_config.bats.

tests/homepage_config.bats

@@ -77,3 +77,20 @@ assert by_probe.get("127.0.0.1:7770") == "frank-large", by_probe.get("127.0.0.1:
 assert by_probe.get("127.0.0.1:7771") == "frank-secondary", by_probe.get("127.0.0.1:7771")
 PY
 }
+
+@test "every fleet LLM card carries a user-facing equivalence note" {
+    # Frank's capability framing (2026-10-08): each card must state, in plain
+    # terms, what the model is equivalent to — the cards' whole purpose for
+    # family users is "how smart is this and what is it for".
+    python3 - "$REPO_ROOT/shared/homepage/services.json" <<'PY'
+import json, sys
+services = json.load(open(sys.argv[1]))
+fleet = {s["name"]: s for s in services if s.get("name") in ("frank-large", "frank-primary", "frank-secondary")}
+assert len(fleet) == 3, sorted(fleet)
+for name, s in fleet.items():
+    eq = s.get("details", {}).get("equiv", "")
+    assert eq.strip(), f"{name} card has no equivalence note"
+PY
+    grep -q "desc-equiv" "$REPO_ROOT/shared/homepage/app.js"
+    grep -q "desc-equiv" "$REPO_ROOT/shared/homepage/style.css"
+}