diff --git a/.eamos-core/tools/emit_svg.py b/.eamos-core/tools/emit_svg.py
index dab98cd..0711c9c 100644
--- a/.eamos-core/tools/emit_svg.py
+++ b/.eamos-core/tools/emit_svg.py
@@ -130,7 +130,22 @@ def _trunc(s, n):
 
 
 def build_mindmap_svg(ir):
-    """A deterministic horizontal mind map from a graph-IR: root → branches → leaves."""
+    """A deterministic mind map from a graph-IR: root → branches → leaves. The `orientation`
+    param picks the layout (#63) — horizontal (root left, reading rows) or vertical (root top,
+    one column per branch). Both are pure functions of the branch order (RFC-0002 §11-1)."""
+    if ir.get("orientation") == "vertical":
+        return _mindmap_vertical(ir)
+    return _mindmap_horizontal(ir)
+
+
+def _box(parts, x, y, w, text, fill, txt, size=14, bold=False):
+    parts.append(f'<rect x="{x}" y="{y - 17}" width="{w}" height="34" rx="8" fill="{fill}"/>')
+    parts.append(f'<text x="{x + 12}" y="{y + 5}" font-family="Calibri, Arial, sans-serif" '
+                 f'font-size="{size}" font-weight="{"bold" if bold else "normal"}" '
+                 f'fill="{txt}">{esc(text)}</text>')
+
+
+def _mindmap_horizontal(ir):
     bg, accent, body, amber, muted, card = THEMES["professional"]
     branches = ir.get("branches", [])
     row_h = 46
@@ -141,25 +156,19 @@ def build_mindmap_svg(ir):
              f'<rect width="{W}" height="{H}" fill="{bg}"/>']
     root_y = H // 2
 
-    def box(x, y, w, text, fill, txt, size=14, bold=False):
-        parts.append(f'<rect x="{x}" y="{y - 17}" width="{w}" height="34" rx="8" fill="{fill}"/>')
-        parts.append(f'<text x="{x + 12}" y="{y + 5}" font-family="Calibri, Arial, sans-serif" '
-                     f'font-size="{size}" font-weight="{"bold" if bold else "normal"}" '
-                     f'fill="{txt}">{esc(text)}</text>')
-
     def link(x1, y1, x2, y2):
         mx = (x1 + x2) // 2
         parts.append(f'<path d="M{x1} {y1} C{mx} {y1} {mx} {y2} {x2} {y2}" stroke="{muted}" '
                      f'fill="none" stroke-width="1.5"/>')
 
-    box(rx, root_y, 320, _trunc(ir.get("root", ""), 46), accent, "#FFFFFF", 15, True)
+    _box(parts, rx, root_y, 320, _trunc(ir.get("root", ""), 46), accent, "#FFFFFF", 15, True)
     y = 40
     for b in branches:
         leaves = b.get("leaves", []) or []
         span = max(1, len(leaves)) * row_h
         by = y + span // 2
         link(rx + 320, root_y, bx, by)
-        box(bx, by, 300, _trunc(b.get("label", ""), 40), card, accent, 14, True)
+        _box(parts, bx, by, 300, _trunc(b.get("label", ""), 40), card, accent, 14, True)
         ly = y + row_h // 2
         for leaf in leaves:
             link(bx + 300, by, lx, ly)
@@ -172,6 +181,41 @@ def link(x1, y1, x2, y2):
     return "\n".join(parts) + "\n"
 
 
+def _mindmap_vertical(ir):
+    """The vertical layout (#63): root on top, one column per branch, leaves stacked beneath.
+    Deterministic like its horizontal twin — a pure function of the branch order."""
+    bg, accent, body, amber, muted, card = THEMES["professional"]
+    branches = ir.get("branches", [])
+    col_w, box_w, row_h, m = 320, 300, 30, 30
+    n = max(1, len(branches))
+    depth = max([len(b.get("leaves", []) or []) for b in branches] or [0])
+    W = m * 2 + n * col_w - (col_w - box_w)
+    H = 180 + depth * row_h + 40
+    parts = [f'<svg viewBox="0 0 {W} {H}" xmlns="http://www.w3.org/2000/svg">',
+             f'<rect width="{W}" height="{H}" fill="{bg}"/>']
+
+    def vlink(x1, y1, x2, y2):
+        my = (y1 + y2) // 2
+        parts.append(f'<path d="M{x1} {y1} C{x1} {my} {x2} {my} {x2} {y2}" stroke="{muted}" '
+                     f'fill="none" stroke-width="1.5"/>')
+
+    root_cx = W // 2
+    _box(parts, root_cx - 160, 57, 320, _trunc(ir.get("root", ""), 46), accent, "#FFFFFF", 15, True)
+    for i, b in enumerate(branches):
+        x = m + i * col_w
+        bcx = x + box_w // 2
+        vlink(root_cx, 74, bcx, 123)
+        _box(parts, x, 140, box_w, _trunc(b.get("label", ""), 40), card, accent, 14, True)
+        ly = 180
+        for leaf in b.get("leaves", []) or []:
+            col = amber if "⟨" in str(leaf) else body
+            parts.append(f'<text x="{x + 12}" y="{ly + 5}" font-family="Calibri, Arial, sans-serif" '
+                         f'font-size="13" fill="{col}">{esc(_trunc(leaf, 40))}</text>')
+            ly += row_h
+    parts.append("</svg>")
+    return "\n".join(parts) + "\n"
+
+
 def build_topology_svg(ir):
     """A deterministic 'layered' system-topology diagram from a topology-IR (RFC-0004): typed nodes
     placed in a grid by DECLARATION ORDER (a pure function of the order — no force-directed, no
diff --git a/.eamos-core/tools/render.py b/.eamos-core/tools/render.py
index a2d203d..286a77d 100644
--- a/.eamos-core/tools/render.py
+++ b/.eamos-core/tools/render.py
@@ -537,19 +537,27 @@ def build_graph_ir(manifest, archetype, altitude=None, function=None):
         slide = _build_section(sec, content, ledger, acc, lang)
         leaves = [t for t in (_flatten_block(b) for b in slide["blocks"]) if t][:3]
         branches.append({"label": slide["title"], "leaves": leaves})
+
+    # The orientation param is live (#63): stamped into the IR, the SVG emitter lays out per value.
+    params = _resolve_params(load_deliverable("mindmap"), _find_deliverable(manifest, "mindmap"))
+    orientation = params.get("orientation") or "horizontal"
     review_appendix = [
         {"binding": k, "value": "" if ledger[k].get("value") is None else str(ledger[k].get("value")),
          "assumption": ledger[k].get("assumption", ""), "fill_from": ledger[k].get("fill_from", "")}
         for k in sorted(acc["assumed"])
     ]
     return {"ir_version": IR_VERSION, "generator": GENERATOR,
-            "deliverable": "mindmap", "output_lang": lang, "root": manifest.get("objective", ""),
+            "deliverable": "mindmap", "orientation": orientation,
+            "output_lang": lang, "root": manifest.get("objective", ""),
             "branches": branches, "review_appendix": review_appendix}, acc
 
 
 def build_quiz_ir(manifest, archetype, altitude=None, function=None):
     """Project an interview quiz (quiz-IR, RFC-0002 §3, §11-3): graded questions cite a ledger
-    source (required); discussion questions (from decisions) are un-scored. SAME ledger."""
+    source (required); discussion questions (from decisions) are un-scored. SAME ledger.
+    The `count` param is live (#63): short caps the graded questions at 5, standard at 10, long is
+    uncapped — a deterministic cut over the SORTED ledger keys, so the subset is stable under
+    manifest reordering. Discussion questions are never capped."""
     acc = _new_acc()
     ident = manifest.get("identity", {}) or {}
     ctx = manifest.get("context", {}) or {}
@@ -558,10 +566,13 @@ def build_quiz_ir(manifest, archetype, altitude=None, function=None):
     lang = ctx.get("output_lang", "en")
     stem, disc = labels.lab(lang, "core", "quiz_stem"), labels.lab(lang, "core", "quiz_disc")
 
+    params = _resolve_params(load_deliverable("interview_quiz"), _find_deliverable(manifest, "interview_quiz"))
+    cap = {"short": 5, "standard": 10, "long": None}.get(params.get("count") or "standard", 10)
+
     questions = []
-    for key, cell in ledger.items():
-        if not (key.startswith("kpi.") and isinstance(cell, dict)):
-            continue
+    graded_keys = sorted(k for k, c in ledger.items() if k.startswith("kpi.") and isinstance(c, dict))
+    for key in graded_keys if cap is None else graded_keys[:cap]:
+        cell = ledger[key]
         assumed = _cell_assumed(key, cell, acc)           # fail closed (#53)
         if assumed:
             acc["assumed"][key] = cell
diff --git a/.eamos-core/tools/tests/test_render.py b/.eamos-core/tools/tests/test_render.py
index 49ef5ca..9c5a04f 100644
--- a/.eamos-core/tools/tests/test_render.py
+++ b/.eamos-core/tools/tests/test_render.py
@@ -135,6 +135,53 @@ def test_every_projection_is_stamped(self):
                 self.assertEqual(ir["generator"], "eamos-render")
 
 
+class TestDeliverableParams(unittest.TestCase):
+    """The registry knobs must change the output — validated-but-dead is worse than undeclared (#63)."""
+
+    def _quiz_graded(self, count):
+        m, arch = load("qbr-c-level")
+        for i in range(7):                        # 5 real kpi cells + 7 synthetic = 12 graded candidates
+            m["inputs"][f"kpi.zz{i}"] = {"label": f"Z{i}", "value": str(i), "provided": True,
+                                         "source": "x", "provenance": "sourced"}
+        next(d for d in m["deliverables"] if d["type"] == "interview_quiz")["count"] = count
+        quiz, _ = render.build_quiz_ir(m, arch)
+        return quiz["questions"]
+
+    def test_quiz_count_caps_graded_questions(self):
+        for count, expected in (("short", 5), ("standard", 10), ("long", 12)):
+            with self.subTest(count=count):
+                graded = [q for q in self._quiz_graded(count) if q["kind"] == "graded"]
+                self.assertEqual(len(graded), expected)
+
+    def test_quiz_count_never_caps_discussion(self):
+        qs = self._quiz_graded("short")
+        self.assertEqual(len([q for q in qs if q["kind"] == "discussion"]), 2)   # both decisions kept
+
+    def test_quiz_cap_is_stable_under_manifest_reordering(self):
+        a = [q["q"] for q in self._quiz_graded("short") if q["kind"] == "graded"]
+        m, arch = load("qbr-c-level")
+        m["inputs"] = dict(reversed(list(m["inputs"].items())))                  # same cells, new order
+        for i in range(7):
+            m["inputs"][f"kpi.zz{i}"] = {"label": f"Z{i}", "value": str(i), "provided": True,
+                                         "source": "x", "provenance": "sourced"}
+        next(d for d in m["deliverables"] if d["type"] == "interview_quiz")["count"] = "short"
+        quiz, _ = render.build_quiz_ir(m, arch)
+        self.assertEqual([q["q"] for q in quiz["questions"] if q["kind"] == "graded"], a)
+
+    def test_mindmap_orientation_changes_layout(self):
+        import emit_svg
+        m, arch = load("qbr-c-level")
+        mind, _ = render.build_graph_ir(m, arch)
+        self.assertEqual(mind["orientation"], "horizontal")     # qbr requests horizontal
+        horiz = emit_svg.build_mindmap_svg(mind)
+        next(d for d in m["deliverables"] if d["type"] == "mindmap")["orientation"] = "vertical"
+        mind_v, _ = render.build_graph_ir(m, arch)
+        self.assertEqual(mind_v["orientation"], "vertical")
+        vert = emit_svg.build_mindmap_svg(mind_v)
+        self.assertNotEqual(horiz, vert)                        # the knob changes the output
+        self.assertEqual(vert, emit_svg.build_mindmap_svg(mind_v))   # and stays deterministic
+
+
 class TestDecisionContract(unittest.TestCase):
     def test_decision_contract_renders_through_md(self):
         import emit_md