Polish movement hall interiors: clear doors and bay columns, tone floors and windows.

Document hang keep-outs and period-module fixes; leave columns fixed while packing frames into gaps.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/__tests__/mannerist-columns.test.js

@@ -0,0 +1,35 @@
+/**
+ * Mannerist herm pilasters must read as clean architecture, not flat white strips
+ * with floating edge artifacts.
+ *   node --test server/__tests__/mannerist-columns.test.js
+ */
+const { describe, it } = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+
+const ROOT = path.join(__dirname, '..', '..');
+const DETAILS = fs.readFileSync(path.join(ROOT, 'client/src/components/hall-details/courtly.tsx'), 'utf8');
+
+function manneristBlock() {
+  const start = DETAILS.indexOf('export function ManneristDetails');
+  assert.ok(start >= 0, 'ManneristDetails must exist');
+  const next = DETAILS.indexOf('export function ', start + 1);
+  return DETAILS.slice(start, next > start ? next : undefined);
+}
+
+describe('Mannerist herm columns', () => {
+  it('does not use the glitchy thin shaft + offset rustication + torus capital', () => {
+    const block = manneristBlock();
+    assert.doesNotMatch(block, /boxGeometry args=\{\[0\.09, 3\.8, 0\.3\]\}/);
+    assert.doesNotMatch(block, /position=\{\[side \* 0\.03, y, 0\]\}/);
+    assert.doesNotMatch(block, /torusGeometry args=\{\[0\.14, 0\.055/);
+  });
+
+  it('builds herm pilasters with clearance and a proper capital', () => {
+    const block = manneristBlock();
+    assert.match(block, /herm|pilaster/i);
+    assert.match(block, /clearLeft|clearRight|useWallClearance/);
+    assert.match(block, /capital|console|abacus/i);
+  });
+});