Add practice range: shooting, AK47, intro cinematic, dressed warehouse scene

- PortalTestDestination practice range: Valorant-style hitscan rifle (recoil,
  spray/bloom, reload, controller support), debug HUD, practice-dummy targets
  with head/body hitboxes, hit/death/respawn animations, procedural SFX/FX
- AK47 model (Quaternius, CC0) held via Animator IK, with fire/reload/equip anims
- Intro cinematic (camera shots, title card, target beam-in, GO hand-off)
- Scene dressing editor pass: CC0 textures, props, warehouse roof, lighting and
  post-processing; custom stylized skybox shader
- CharacterMovement: camera recoil, shoulder offset, cinematic control lock
- Unity CLI pipeline package; plus in-progress chat/Rive/player changes

Asset credits: Assets/Models/Props/PROPS_CREDITS.txt (3 CC-BY 3.0 props),
Assets/Textures/Range/TEXTURES_LICENSE.txt, Assets/Resources/*/..._LICENSE.txt

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Assets/Actions/PlayerInput.inputactions

@@ -23,6 +23,15 @@
                     "processors": "",
                     "interactions": "",
                     "initialStateCheck": false
+                },
+                {
+                    "name": "Look",
+                    "type": "Value",
+                    "id": "b16172bb-59f4-4ac9-9ea9-3c4b9c7f21fd",
+                    "expectedControlType": "Vector2",
+                    "processors": "",
+                    "interactions": "",
+                    "initialStateCheck": true
                 }
             ],
             "bindings": [
@@ -47,6 +56,17 @@
                     "action": "Run",
                     "isComposite": false,
                     "isPartOfComposite": false
+                },
+                {
+                    "name": "",
+                    "id": "a2e6dc3d-8a2b-4a19-9d0a-0b7cf7a1a9e2",
+                    "path": "<Gamepad>/rightStick",
+                    "interactions": "",
+                    "processors": "StickDeadzone",
+                    "groups": "",
+                    "action": "Look",
+                    "isComposite": false,
+                    "isPartOfComposite": false
                 }
             ]
         }