Write the Task 3 code generation report

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Parent

#78

What to build

The course's third graded report, due 2026-10-30, and the largest share of the project grade. It covers the Acceleo 4 templates and the end-to-end pipeline, with byte-for-byte rendered parity and the double render as evidence.

Acceptance criteria

• The report is submitted by 2026-10-30, and its mirror in the repository matches what was submitted.
• Every artefact the report cites exists on main and is green in the emf job.

Blocked by

• Chain the Java pipeline end to end #96