Baseline: wave 1A server complete, wave 1B Android scaffold + design system green

assembleDebug, testDebugUnitTest, and recordPaparazziDebug all pass.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016bThmkmyUUdqQpy3MXFFe5

server/.gitignore

@@ -0,0 +1,14 @@
+# Superuser credentials for the dev instance — never commit these.
+.dev-credentials
+
+# The PocketBase binary is platform-specific and large; fetch/build it
+# per docs/SPEC.md and deploy/README.md instead of vendoring it in git.
+pocketbase
+pocketbase.exe
+
+# Runtime data — the whole point of pb_migrations/ is that this is
+# reproducible from scratch; the actual database/uploads are not source.
+pb_data/
+
+# Local backup artifacts produced by deploy/backup.sh.
+deploy/backups/