Add output camera framing

shared/renderValidation.test.cjs

@@ -56,6 +56,37 @@ test('rejects invalid crf and preset', () => {
   assert.equal(validateRenderRequest(scene(), { preset: 'turbo' }).ok, false)
 })
 
+test('validates enabled camera data', () => {
+  const valid = validateRenderRequest(scene({
+    camera: {
+      enabled: true,
+      base: { x: 0, y: 0, width: 320, height: 180 },
+      keyframes: [{ time: 0.5, props: { x: 10 }, easing: 'linear' }],
+    },
+  }))
+  assert.equal(valid.ok, true)
+
+  const invalidSize = validateRenderRequest(scene({
+    camera: {
+      enabled: true,
+      base: { x: 0, y: 0, width: 0, height: 180 },
+      keyframes: [],
+    },
+  }))
+  assert.equal(invalidSize.ok, false)
+  assert.match(invalidSize.error, /camera/)
+
+  const invalidKf = validateRenderRequest(scene({
+    camera: {
+      enabled: true,
+      base: { x: 0, y: 0, width: 320, height: 180 },
+      keyframes: [{ time: Number.NaN, props: {}, easing: 'linear' }],
+    },
+  }))
+  assert.equal(invalidKf.ok, false)
+  assert.match(invalidKf.error, /keyframe/)
+})
+
 test('computes playback range from in/out or last keyframe', () => {
   assert.deepEqual(playbackRange(scene({ inTime: 0.25, outTime: 1.5 })), { start: 0.25, end: 1.5 })
   assert.deepEqual(playbackRange(scene()), { start: 0, end: 1 })