Phase 7: netfox + godot-jolt stack upgrade

Stack installed:
- netfox v1.35.3 (core + extras + noray + internals)
- godot-jolt v0.16.0-stable

Architecture:
- Server: ENet transport (works headless, no netfox deps)
- Client/Editor: netfox rollback (RollbackSynchronizer, TickInterpolator)

New/modified:
- docs/migration-netfox-plan.md — migration architecture
- scripts/network/network_manager.gd — netfox-aware ENet fallback
- scripts/network/player.gd — clean base player
- client/characters/player_netfox.gd — rollback player w/ WeaponManager
- client/characters/input/player_net_input.gd — BaseNetInput subclass
- client/characters/character/fps_character_controller.gd — netfox input feed
- client/weapons/ — weapon data, registry, TacticalWeaponHitscan, WeaponManager
- client/scripts/round_replicator.gd — client-side round state bridge
- server/scripts/round_manager.gd — improved state machine
- server/scripts/plugin_api/plugin_manager.gd — refined plugin system
- config: enemy_tag, ally_tag for meatball targeting

Removed: old C++ SimulationServer GDExtension (replaced by netfox rollback)

server/server-browser-api/venv/lib/python3.11/site-packages/fastapi/middleware/__init__.py

@@ -0,0 +1 @@
+from starlette.middleware import Middleware as Middleware

server/server-browser-api/venv/lib/python3.11/site-packages/fastapi/middleware/asyncexitstack.py

@@ -0,0 +1,18 @@
+from contextlib import AsyncExitStack
+
+from starlette.types import ASGIApp, Receive, Scope, Send
+
+
+# Used mainly to close files after the request is done, dependencies are closed
+# in their own AsyncExitStack
+class AsyncExitStackMiddleware:
+    def __init__(
+        self, app: ASGIApp, context_name: str = "fastapi_middleware_astack"
+    ) -> None:
+        self.app = app
+        self.context_name = context_name
+
+    async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
+        async with AsyncExitStack() as stack:
+            scope[self.context_name] = stack
+            await self.app(scope, receive, send)

server/server-browser-api/venv/lib/python3.11/site-packages/fastapi/middleware/cors.py

@@ -0,0 +1 @@
+from starlette.middleware.cors import CORSMiddleware as CORSMiddleware  # noqa

server/server-browser-api/venv/lib/python3.11/site-packages/fastapi/middleware/gzip.py

@@ -0,0 +1 @@
+from starlette.middleware.gzip import GZipMiddleware as GZipMiddleware  # noqa

server/server-browser-api/venv/lib/python3.11/site-packages/fastapi/middleware/httpsredirect.py

@@ -0,0 +1,3 @@
+from starlette.middleware.httpsredirect import (  # noqa
+    HTTPSRedirectMiddleware as HTTPSRedirectMiddleware,
+)

server/server-browser-api/venv/lib/python3.11/site-packages/fastapi/middleware/trustedhost.py

@@ -0,0 +1,3 @@
+from starlette.middleware.trustedhost import (  # noqa
+    TrustedHostMiddleware as TrustedHostMiddleware,
+)

server/server-browser-api/venv/lib/python3.11/site-packages/fastapi/middleware/wsgi.py

@@ -0,0 +1,3 @@
+from starlette.middleware.wsgi import (
+    WSGIMiddleware as WSGIMiddleware,
+)  # pragma: no cover # noqa