test: cover presentation route rehearsal contracts

.superpowers/sdd/task-3-report.md

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+# Task 3 Report
+
+## Changed Files
+
+- `web/apps/console/src/presentation/presentation-rehearsal.test.ts`
+  - Added the pure rehearsal storyboard contract.
+  - Verifies all 14 current scene IDs, expected beat counts, and canonical beat IDs.
+  - Failure messages identify the missing scene or `scene/beat` pair.
+- `web/apps/console/src/presentation/PresentationRoute.test.tsx`
+  - Added direct-hash coverage for the nine required routes.
+  - Verifies visible accessible headings and demo-chrome ownership for Scenes 8 through 12.
+  - Added no-accidental-chrome coverage for title, problem, architecture, evaluation, and conclusion routes.
+  - Verifies prepared lifecycle assistant-pane ownership, footer ownership, and exactly one run action.
+
+## Deviations
+
+- `#scene/conclusion/questions` intentionally asserts the visible `Thesis contribution` discussion-index heading. That beat renders the examiner discussion index instead of the `Limits and Conclusion` scene caption.
+- The typed approval route intentionally checks for the visible demo rail rather than a run button because its chrome is a paused review status with a `Submit` action.
+
+## Bugs
+
+- No production bugs found. No production files were changed.
+
+## Verification
+
+- `pnpm --dir web/apps/console test -- src/presentation/presentation-rehearsal.test.ts src/presentation/PresentationRoute.test.tsx`
+  - Passed: 2 test files, 67 tests.
+- `pnpm --dir web/apps/console typecheck`
+  - Passed: `tsc -b --pretty false`.
+- `git diff --check`
+  - Passed with no whitespace errors.
+- Self-review confirmed the changes are limited to the Task 3 test contracts and this report.