fix: complete pyproject.toml deps + graceful QUIC fallback

meshbay-node/pyproject.toml: add aioquic>=1.0 (was commented 'v2'),
websockets>=12.0 (revocation push). Both are production code since Phase 5.

meshbay-hub/pyproject.toml: add aiosqlite (tests without PostgreSQL),
slowapi (rate limiting), websockets (revocation push), PyJWT (explicit).

transport/__init__.py: QUIC imports wrapped in try/except — node works
without aioquic (TCP+TLS + HTTP fallback). QUIC_AVAILABLE flag exported.

QUICKSTART.md: replace manual pip list with 'pip install -e' that pulls
all deps from pyproject.toml automatically. Add dependency table.

CLAUDE.md: clarify that all deps go in pyproject.toml, not manual installs.

81/81 tests.

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

1 files changed, 15 insertions, 4 deletions

diff --git a/packages/meshbay-node/src/meshbay_node/transport/__init__.py b/packages/meshbay-node/src/meshbay_node/transport/__init__.py
index 8b49b22..b3144a6 100644
--- a/packages/meshbay-node/src/meshbay_node/transport/__init__.py
+++ b/packages/meshbay-node/src/meshbay_node/transport/__init__.py
@@ -2,8 +2,19 @@
 from .server import ChunkServer
 from .client import ChunkClient
 from .http_server import create_http_app
-from .quic_server import QuicChunkServer
-from .quic_client import QuicChunkClient
 
-__all__ = ["ChunkServer", "ChunkClient", "create_http_app",
-           "QuicChunkServer", "QuicChunkClient"]
+# QUIC transport (MNP v2) — requires aioquic>=1.0
+# Falls back gracefully if not installed; node still works via TCP+TLS and HTTP.
+try:
+    from .quic_server import QuicChunkServer
+    from .quic_client import QuicChunkClient
+    QUIC_AVAILABLE = True
+except ImportError:
+    QuicChunkServer = None  # type: ignore[assignment,misc]
+    QuicChunkClient = None  # type: ignore[assignment,misc]
+    QUIC_AVAILABLE = False
+
+__all__ = [
+    "ChunkServer", "ChunkClient", "create_http_app",
+    "QuicChunkServer", "QuicChunkClient", "QUIC_AVAILABLE",
+]