docs: Added docs/s07-uat.md to close S07 with imported acceptance-run e…

- "docs/s07-uat.md"
- ".gsd/milestones/M001/slices/S07/tasks/T01-SUMMARY.md"

GSD-Task: S07/T01

.gsd/milestones/M001/slices/S07/tasks/T02-PLAN.md

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+---
+estimated_steps: 1
+estimated_files: 4
+skills_used: []
+---
+
+# T02: Re-run acceptance flow and record browser evidence + manual-send boundary
+
+Why: Refresh the live acceptance evidence and capture the manual-send boundary plus Gmail continuity status for S07. Do: run `bash scripts/s06-preflight.sh`; run `bash scripts/s06-acceptance-run.sh` (with AUTH_TOKEN if needed) to regenerate docs/s06-acceptance-run.md and artifacts; confirm the seeded job identity and cross-surface observations, and extract artifact links (logs, trace, timeline, screenshots/debug bundle); update docs/s07-uat.md with the latest evidence, explicitly stating the manual-send boundary (GET followup-draft seen, no POST send-followup) and the Gmail continuity limitation observed in this run. Failure modes: backend/API down → note preflight failure; auth/token missing → use runner fallback guidance; browser/assertion failures → capture log paths; malformed artifact paths → rerun and repair links. Negative checks: ensure acceptance run did not issue send-followup, and Gmail refresh absence is recorded, not implied passing. Done when both docs are updated with current run evidence and links.
+
+## Inputs
+
+- ``scripts/s06-preflight.sh``
+- ``scripts/s06-acceptance-run.sh``
+- ``docs/s07-uat.md``
+
+## Expected Output
+
+- ``docs/s06-acceptance-run.md``
+- ``docs/s07-uat.md``
+- ``docs/artifacts/s06-acceptance/logs/``
+
+## Verification
+
+bash scripts/s06-preflight.sh && bash scripts/s06-acceptance-run.sh && test -s docs/s06-acceptance-run.md && grep -q "manual-send boundary" docs/s07-uat.md