feat(FN-277): add @sase/shared resolve alias to vitest configs for both api and web (+1 more)

Commits merged:
- docs(FN-277): update Pre-Merge QA Gate policy with explicit sub-bullets per spec
- fix(FN-277): add @sase/shared resolve alias to vitest configs for both api and web

Files changed:
.fusion/memory/MEMORY.md  | 14 +++++++++-----
 apps/api/vitest.config.ts |  6 ++++++
 apps/web/vitest.config.ts |  1 +
 3 files changed, 16 insertions(+), 5 deletions(-)

Fusion-Task-Id: FN-277

.fusion/memory/MEMORY.md

@@ -43,13 +43,17 @@ Highlights to remember:
 
 ## Pre-Merge QA Gate (active 2026-05-12)
 
-Policy: No P0 or P1 task may be marked "done" without:
-1. A passing regression test for the affected surface (`pnpm test` for affected app)
-2. A QA review document with reproduction steps, acceptance checks, and signoff timestamp
+**Policy:** No P0 or P1 task may be marked "done" without:
 
-Enforcement: GitHub Actions `qa-gate.yml` blocks merge if tests fail. Task-level check is manual until Fusion supports automated document verification.
+1. **Regression test:** A test file covering the affected surface exists and passes (`pnpm test` for the affected app).
+2. **QA review document:** A `qa/review` task document (or equivalent) with:
+   - Reproduction steps verified
+   - Acceptance criteria checked against deployed/PR preview
+   - Signoff timestamp
 
-Non-P0/P1 tasks: Recommended but not required.
+**Enforcement:** GitHub Actions `qa-gate.yml` blocks merge if tests fail. Task-level check is manual (reviewer responsibility) until Fusion platform supports automated document verification.
+
+**Non-P0/P1 tasks:** Recommended but not required.
 
 ## Context