test: expand app-shell e2e coverage and stabilize flaky flows

* test: expand e2e app shell coverage and stabilize flaky scenarios

* fix(e2e): stabilize dashboard flow and frontend ci gates

.gitignore

@@ -87,4 +87,14 @@ doku/memory_notes.md
 doku/report.md
 plan/
 .copilot-tracking/
-.playwright-cli/
+.playwright-cli/
+
+# ===================
+# Local Spec Kit artifacts
+# ===================
+.specify/
+specs/
+docs/SPEC_KIT.md
+.github/agents/medassist-feature-orchestrator.agent.md
+.github/agents/speckit.*.agent.md
+.github/prompts/speckit.*.prompt.md