Requesting changes before this can be merged.

There are a few architectural/behavioral issues in this patch:

1. crates/core/fission-core/src/input/text.rs changes the generic TextInputController so any TextInputType::Number serializes change payloads as f32. That makes the generic text controller infer action payload type from keyboard semantics, which is too broad. A numeric keyboard hint should not silently change the type contract for every text input using it. The typed conversion should live in NumberInput or in an explicitly typed action path.

2. Several editor example actions change from explicit serialization failure to .unwrap_or_default(). That silently dispatches an empty/default payload if serialization fails. We should not merge silent fallback behavior into action dispatch paths. Either keep the failure explicit, or use a typed helper/macro path that makes the envelope construction reliable without swallowing errors.

3. The hit-test/paint-blocking work needs runtime-level coverage around actual dispatch behavior. The unit tests prove raw hit-test IDs, but this patch changes how paint nodes can block backdrop interactions, so it should also prove that the intended backdrop/action dispatch still reaches the right semantic owner.

4. CircularProgress indeterminate animation appears to require an explicit id. If that is the intended contract, document it and add a test. If not, the widget should provide a stable identity path or fail loudly instead of silently rendering non-animated.

I did not merge this because it is draft and the above needs to be addressed against current main.