**Overall Verdict:** Accept — The submission defines a coherent, professionally substantive animation task with usable scientific inputs, objective acceptance criteria, and a supporting native reference package.

**Completeness Check:**

- Instruction: Complete — Deliverables, five narrative segments, scientific scope, persistent identities, timing, and readability requirements are explicit.
- Inputs: Complete — Structure records, CIF exports, energy tables, phase boundaries, and authoritative analysis support the requested film.
- Toolchain: Complete — Blender and FFmpeg provide a viable, open-source Linux workflow on one suitable workstation.
- Reference output: Complete — Includes native animation and editing projects, SVG graphics, packaged scientific assets, movie, frame sequence, identity map, and validation evidence.
- Rubric: Complete — Measurable requirements distinguish scientific, conservation, technical, and editability failures from acceptable design variations.

**File and Task Reachability:**

Attachment classification: `partially_reachable`, reflecting review limitations rather than an identified submission barrier. Task classification: `reachable`.

Inspected all three attachments: `task_02_inputs.zip`, `task_02_evidence.zip`, and `task_02_reference.zip`. Inspection covered archive inventories and safety, scientific tables and structure data, spreadsheet contents, self-test records and images, `animation.blend`, `edit.blend`, `reaction_film.mp4`, `reaction_energy.svg`, identity and validation records, and 12 representative reference frames.

Native-data checks found 73 uniquely named conserved objects with the required element counts and continuous visibility settings throughout frames 601–1200. All 130 crystal-site positions matched the supplied structures after display transformations. Checked numerical captions were within tolerance. Movie metadata confirmed 60 seconds, 30 fps, 1920×1080, and 1,800 frames. The editing project contains a native scene strip and separate text strips.

The complete reference frame sequence was inventoried but not decoded frame by frame; native reopening, rerendering, and timeline conforming were not performed because the required applications were unavailable. These remain verification limitations, not demonstrated defects. Completion and evaluation can proceed entirely from the supplied assets using the declared toolchain.

License keys, accounts, tokens, and other credentials are not required from the contributor. Confidential, proprietary, or internal material may be evaluated as submitted evidence without requiring additional disclosure.

**Special Screening:**

None. The disclosed constructed commission uses existing calculated records; this does not establish AI fabrication or a public benchmark task. Public duplication was not independently verified.

**Recommended Changes:**

The submission supplies substantial scientific and production evidence, and the failed slideshow self-test is clearly distinguishable from the reference package. No contributor changes are required.