## 1. Specification
- [x] 1.1 Add proposal and delta spec for image 3D rotation.
- [x] 1.2 Validate the OpenSpec change.

## 2. Implementation
- [x] 2.1 Add image 3D transform helpers and data handling.
- [x] 2.2 Apply 3D transform in the image render component.
- [x] 2.3 Add popup-toolbar 3D adjustment panel for ordinary images.
- [x] 2.4 Remove the active-layer 3D drag control from the Drawnix plugin chain.
- [x] 2.5 Pass source images to AI workflows and add image rotation parameters to text context.

## 3. Verification
- [x] 3.1 Add targeted unit coverage for math and image eligibility.
- [x] 3.2 Run targeted Vitest coverage.
- [x] 3.3 Run Drawnix typecheck.