diff --git a/prosody_voice/bundle/answer_schema.json b/prosody_voice/bundle/answer_schema.json
new file mode 100644
index 0000000000000000000000000000000000000000..8a42900cbb7aac115f7ec089f270ccb2065b77c5
--- /dev/null
+++ b/prosody_voice/bundle/answer_schema.json
@@ -0,0 +1,1179 @@
+{
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+              "markdown": "Which vowel occurs between /h/ and /d/?"
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+            {
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+              "asset": "assets/q_c2622f2e11408525.png",
+              "alt": "Acoustic representation for this question.",
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+            {
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+              "alt": "Acoustic representation for this question.",
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+              "markdown": "Which Mandarin syllable is represented?"
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+            {
+              "type": "image",
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+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "/ɑ/ as in hod"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "/u/ as in who’d"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "/i/ as in heed"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "/æ/ as in had"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_4d5b60c1bd07eb24",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which vowel occurs between /h/ and /d/?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_4d5b60c1bd07eb24.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "/i/ as in heed"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "/ɑ/ as in hod"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "/u/ as in who’d"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "/æ/ as in had"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_08385f29e375d895",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which Mandarin syllable is represented?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_08385f29e375d895.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "tā"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "dā"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        }
+      ]
+    },
+    {
+      "id": "lexical",
+      "title": "Lexical recognition",
+      "instructions": [
+        {
+          "type": "text",
+          "markdown": "Answer using only the question text, options, and supplied image. No audio is available."
+        }
+      ],
+      "questions": [
+        {
+          "id": "q_e569a9efafd81dc1",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which English digit is spoken?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_e569a9efafd81dc1.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Five"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "One"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Eight"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Nine"
+                }
+              ]
+            },
+            {
+              "id": "E",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Seven"
+                }
+              ]
+            },
+            {
+              "id": "F",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Zero"
+                }
+              ]
+            },
+            {
+              "id": "G",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Six"
+                }
+              ]
+            },
+            {
+              "id": "H",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Two"
+                }
+              ]
+            },
+            {
+              "id": "I",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Four"
+                }
+              ]
+            },
+            {
+              "id": "J",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Three"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_e92ec8aa8151a4be",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which English digit is spoken?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_e92ec8aa8151a4be.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Nine"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Eight"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Six"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Zero"
+                }
+              ]
+            },
+            {
+              "id": "E",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Four"
+                }
+              ]
+            },
+            {
+              "id": "F",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Three"
+                }
+              ]
+            },
+            {
+              "id": "G",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "One"
+                }
+              ]
+            },
+            {
+              "id": "H",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Two"
+                }
+              ]
+            },
+            {
+              "id": "I",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Seven"
+                }
+              ]
+            },
+            {
+              "id": "J",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Five"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_ab0e4135f40039a7",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which English digit is spoken?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_ab0e4135f40039a7.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Two"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Six"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Four"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Three"
+                }
+              ]
+            },
+            {
+              "id": "E",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Nine"
+                }
+              ]
+            },
+            {
+              "id": "F",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Zero"
+                }
+              ]
+            },
+            {
+              "id": "G",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Eight"
+                }
+              ]
+            },
+            {
+              "id": "H",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "One"
+                }
+              ]
+            },
+            {
+              "id": "I",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Five"
+                }
+              ]
+            },
+            {
+              "id": "J",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Seven"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_00a0524e4446f411",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which English digit is spoken?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_00a0524e4446f411.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Five"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Three"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Seven"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Two"
+                }
+              ]
+            },
+            {
+              "id": "E",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Six"
+                }
+              ]
+            },
+            {
+              "id": "F",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Eight"
+                }
+              ]
+            },
+            {
+              "id": "G",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Four"
+                }
+              ]
+            },
+            {
+              "id": "H",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Zero"
+                }
+              ]
+            },
+            {
+              "id": "I",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "One"
+                }
+              ]
+            },
+            {
+              "id": "J",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Nine"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_f359aabc9f0ce6e3",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which English digit is spoken?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_f359aabc9f0ce6e3.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "One"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Seven"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Eight"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Six"
+                }
+              ]
+            },
+            {
+              "id": "E",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Five"
+                }
+              ]
+            },
+            {
+              "id": "F",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Zero"
+                }
+              ]
+            },
+            {
+              "id": "G",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Four"
+                }
+              ]
+            },
+            {
+              "id": "H",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Nine"
+                }
+              ]
+            },
+            {
+              "id": "I",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Three"
+                }
+              ]
+            },
+            {
+              "id": "J",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Two"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_35f1a6c16a593c66",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which English digit is spoken?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_35f1a6c16a593c66.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Three"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Four"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "One"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Eight"
+                }
+              ]
+            },
+            {
+              "id": "E",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Six"
+                }
+              ]
+            },
+            {
+              "id": "F",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Seven"
+                }
+              ]
+            },
+            {
+              "id": "G",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Nine"
+                }
+              ]
+            },
+            {
+              "id": "H",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Five"
+                }
+              ]
+            },
+            {
+              "id": "I",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Two"
+                }
+              ]
+            },
+            {
+              "id": "J",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Zero"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_104fb88461c79555",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which English digit is spoken?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_104fb88461c79555.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Two"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Three"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Seven"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Five"
+                }
+              ]
+            },
+            {
+              "id": "E",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Four"
+                }
+              ]
+            },
+            {
+              "id": "F",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Six"
+                }
+              ]
+            },
+            {
+              "id": "G",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Zero"
+                }
+              ]
+            },
+            {
+              "id": "H",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "One"
+                }
+              ]
+            },
+            {
+              "id": "I",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Nine"
+                }
+              ]
+            },
+            {
+              "id": "J",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Eight"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        },
+        {
+          "id": "q_c68945acd6eb2d76",
+          "number": null,
+          "type": "single_choice",
+          "prompt": [
+            {
+              "type": "text",
+              "markdown": "Which English digit is spoken?"
+            },
+            {
+              "type": "image",
+              "asset": "assets/q_c68945acd6eb2d76.png",
+              "alt": "Acoustic representation for this question.",
+              "caption": null
+            }
+          ],
+          "points": 1.0,
+          "options": [
+            {
+              "id": "A",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Zero"
+                }
+              ]
+            },
+            {
+              "id": "B",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Nine"
+                }
+              ]
+            },
+            {
+              "id": "C",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Four"
+                }
+              ]
+            },
+            {
+              "id": "D",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Seven"
+                }
+              ]
+            },
+            {
+              "id": "E",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Six"
+                }
+              ]
+            },
+            {
+              "id": "F",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Two"
+                }
+              ]
+            },
+            {
+              "id": "G",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "One"
+                }
+              ]
+            },
+            {
+              "id": "H",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Five"
+                }
+              ]
+            },
+            {
+              "id": "I",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Three"
+                }
+              ]
+            },
+            {
+              "id": "J",
+              "content": [
+                {
+                  "type": "text",
+                  "markdown": "Eight"
+                }
+              ]
+            }
+          ],
+          "blanks": null,
+          "matching": null,
+          "children": []
+        }
+      ]
+    },
+    {
+      "id": "emotion",
+      "title": "Emotional expression",
+      "instructions": [
+        {
+          "type": "text",
+          "markdown": "Answer using only the question text, options, and supplied image. No audio is available."
+        }
+      ],
+      "questions": [
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diff --git a/prosody_voice/bundle/grading.json b/prosody_voice/bundle/grading.json
new file mode 100644
index 0000000000000000000000000000000000000000..6779f312bb987247e14947b1a28888ba4f18489d
--- /dev/null
+++ b/prosody_voice/bundle/grading.json
@@ -0,0 +1,684 @@
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diff --git a/prosody_voice/bundle/manifest.json b/prosody_voice/bundle/manifest.json
new file mode 100644
index 0000000000000000000000000000000000000000..92671de2b554eaab8a69703d1b9ec14957e0a487
--- /dev/null
+++ b/prosody_voice/bundle/manifest.json
@@ -0,0 +1,27 @@
+{
+  "schema_version": "1",
+  "created_at": "2026-08-24T23:02:37.910927Z",
+  "tool_version": "0.1.2",
+  "ingest_model": null,
+  "sources": [
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+    },
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+    },
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+    },
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+  ],
+  "resources": [],
+  "warnings": [],
+  "usage": null
+}