[michaldengusiak]

Preflight and rehearsal only. This is NOT the S05 acceptance and must not be read as one. Roadmap S05 requires S01-S04 merged with green CI first; S03 (#242) and S04 (#243) are unmerged. Documentation and evidence only; no code.

documentation/S05-LicensedAcceptance-Preflight.md contains:

• the 9-case acceptance matrix: observable status, artifacts, failure messages and proof for each case;
• the rehearsal results;
• the blockers left before formal S05;
• the procedure to follow after merge.

Rehearsal setup: real ribbon, through the S01b UI Automation drivers, on an isolated app built from a local S03+S04 integration merge (8aafcb06). The full test suite passed on that tree: 2926/2926.

#	Case	Rehearsal
1	Tas only	rehearsal PASS
2	OpenStudio only	NOT RUN (no driver)
3	Both, two sessions	rehearsal PASS with manual SAM_COMMIT: identical snapshot 0c30db14… and canonical hash 05c1e334… in both sessions (S04). Without SAM_COMMIT it FAILs (S03 finding).
4	Embedded weather	rehearsal PASS (Both), with manual SAM_COMMIT; pre-F1 build, not post-F1 evidence
5	Explicit EPW	rehearsal PASS
6	Multizone	BLOCKED (no cleared fixture)
7	Injected Tas refusal	rehearsal PASS
8	Cancel	NOT RUN (no driver)
9	Concurrent start	NOT RUN (no driver)

Status update (2026-10-20)

• S03 (S03: automatic run provenance for Tas, OpenStudio and Both #242, 1e460bbe) and S04 (S04: stable canonical simulation snapshot (F7) #243, 307cb0e3) are merged with green final-head CI. The merged SAM_UI code tree equals the rehearsal tree 8aafcb06 (only docs differ).
• Correction: case 4 was not post-F1. The rehearsal used a SAM.Weather.dll from a local SAM�uild dated before SAM#212 (F1). Explicit-EPW cases 3 and 5, and Tas-only case 1, do not use the EPW writer.
• Owner decision (2026-10-20): merge this as the S05 pre-record. Formal acceptance follows in a separate record (documentation/S05-LicensedAcceptance.md) on a fresh build at the sow/2026-Q4 tips. No rehearsal result is an acceptance result.
• a1af721e merges Q4 into this branch; c9ac5cce is the record update. Final-head checks are shown below.

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