Save workspace artifacts: character-controller, gdextension scaffold, network scripts, map-pipeline, server config

Includes code from task workspaces that was never pushed:
- client/characters/ — fps_character_controller.gd (400 lines), fps_camera.gd, input_handler.gd
- gdextension/simulation/ — C++ GDExtension scaffold: entity, movement, hit detection, simulation server, state serializer, bitstream (14 files)
- scripts/network/ — ENet-based network_manager.gd, server/client_main.gd, player.gd
- scripts/map_packaging/ — PCK pipeline: pack_map.gd, map_downloader.gd, map_registry_server.py, README
- scripts/config/ — server_config.gd (480 lines)
- scenes/ — client_main, server_main, player, test_range
- project.godot, export_presets.cfg

config/default_server_config.cfg

@@ -0,0 +1,87 @@
+; Tactical Shooter — Default Server Configuration
+; Godot ConfigFile format (INI-style). Edit this file to tune server behaviour.
+; Load path: config://default_server_config.cfg (res:// path in Godot)
+; Override at runtime by placing server_config.cfg next to the binary or via
+; the SERVER_CFG environment variable.
+;
+; Sections marked [*] are defaults used at first run — they are written into
+; the working-dir override if one doesn't exist, so the server always has
+; a complete config.
+
+[server]
+; Human-readable server name shown in the browser / scoreboard.
+server_name="Tactical Shooter Server"
+; Short description exposed to the server browser.
+description="A tactical shooter server running on Godot 4 / ENet"
+; Interface to bind to. Use "0.0.0.0" for all interfaces, "127.0.0.1" for local only.
+bind_ip="0.0.0.0"
+; Gameplay port. Default: 34197 (ephemeral range in IANA-ish neighbourhood).
+port=34197
+; Maximum concurrent players. 2-32 recommended; ENet max is 4095 per host.
+max_players=16
+; Server password. Empty = no password. Clients must supply this to connect.
+password=""
+; Simulation tick rate in Hz. Must match physics/common/physics_ticks_per_second.
+; The GDExtension core runs at this rate. 128 is standard for competitive FPS.
+tick_rate=128
+
+[game]
+; Round time in seconds. 0 = unlimited. 600 = 10 minutes.
+round_time_seconds=600
+; Warmup period before round start, in seconds.
+warmup_time_seconds=60
+; Whether teammates can damage each other.
+friendly_fire=false
+; Damage multiplier applied to friendly fire damage (only if friendly_fire=true).
+ff_damage_multiplier=0.5
+; World gravity (negative = downward). Godot default is -9.8. Competitive FPS
+; commonly uses -20 to -25 for snappier feel.
+gravity=-24.0
+; Respawn delay in seconds after a player dies.
+respawn_time_seconds=5.0
+; Whether dead players can spectate alive teammates.
+spectate_enabled=true
+
+[movement]
+; Movement parameters exposed to the GDExtension SimulationServer.
+; These match the config accepted by SimulationServer.set_movement_config().
+walk_speed=5.0
+sprint_speed=7.0
+crouch_speed=2.0
+jump_velocity=6.0
+acceleration=20.0
+air_acceleration=4.0
+friction=8.0
+
+[match]
+; Rounds needed to win the match. Best-of-N means (2*win_limit-1) max rounds.
+win_limit=3
+; Match time limit in seconds. 0 = unlimited.
+time_limit_seconds=0
+; Map rotation mode: "sequence" (cycle in order), "vote" (player vote), "random".
+map_rotation_mode="sequence"
+; Comma-separated list of map scene resources to rotate through.
+; Relative to the res://scenes/map/ directory.
+; Example: "test_range, warehouse, compound"
+maps="test_range"
+
+[rcon]
+; Remote console (admin access while server is running).
+; This is wired to the future build:rcon system. Disabled until then.
+enabled=false
+; RCON password — must be non-empty and at least 8 chars when enabled.
+password=""
+; RCON listener port (typically different from game port).
+port=34198
+
+[logging]
+; Log level: "debug", "info", "warn", "error", "fatal".
+log_level="info"
+; Log file path. Empty = stdout only. Relative paths are relative to the binary.
+log_file=""
+
+[teams]
+; Number of teams (2 for classic TDM, 4 for FFA squads, etc.).
+team_count=2
+; Maximum players per team. Total = team_count * players_per_team.
+players_per_team=8