docs: Mintlify MDX docs + docs.json; bump Speakeasy to 1.787.0 (#382)

docs/components/baseinputsphaseunion.mdx

@@ -0,0 +1,24 @@
+---
+title: "BaseInputsPhaseUnion"
+---
+
+## Supported Types
+
+### `components.BaseInputsPhaseCommentary`
+
+```python
+value: components.BaseInputsPhaseCommentary = /* values here */
+```
+
+### `components.BaseInputsPhaseFinalAnswer`
+
+```python
+value: components.BaseInputsPhaseFinalAnswer = /* values here */
+```
+
+### `Any`
+
+```python
+value: Any = /* values here */
+```
+