feat(client): sprint 38 — free camera viewer, archetype strip, test fixes

- Add free camera mode (F4 toggle): WASD pan, scroll zoom, decoupled
  from player position (#898)
- Strip archetype-driven code: remove character_archetype, lattice_profile,
  and lattice color palettes from client (#882)
- Fix confrontation_monologue signal not firing in headless test mode (#867)
- Revive fog state behavioral tests: EXP_EXPLORED persistence, grow-only
  bounds, texture-resize copy, BoundaryWall handling (#879)
- Triage pre-existing test failures: fix examine_display dismiss timing,
  fog test position fragility, rendering snapshot assertions,
  time_display format (#871)

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

client/scripts/autoloads/game_state.gd

@@ -41,11 +41,6 @@ var nearby_interactions: Array = []  # [{entity_id, entity_type, distance, verbs
 # v5 fields (#414)
 var current_monologue: Variant = null  # {id, text, duration_seconds, priority, is_urgent} or null
 
-# #122 (D-032): Character lattice profile — selects monologue text colour palette.
-# "lattice_augmented" = detective, "lattice_baseline" = smuggler.
-# Server sends this field as part of the player's capability snapshot.
-var lattice_profile: String = "lattice_baseline"
-
 # v6 fields (#449, D-053, D-065)
 var player_stance: String = "Walk"  # Sprint/Walk/Careful/Crouch
 var player_inventory: Array = []  # [{item_id, name, slot}]
@@ -94,10 +89,8 @@ var debug_response: Variant = null
 # Format: user://saves/<game-id>/<filename>.sav or "" if no pending load.
 var pending_load_path: String = ""
 
-# #588: Character archetype chosen at character select screen.
-# "detective" or "smuggler". Set before game scene loads; sent in StartupMessage.
-# Default: "detective" — fallback for legacy saves without character.txt.
-var character_archetype: String = "detective"
+# #898: Free camera mode — camera decoupled from player, WASD pans camera directly.
+var free_camera_mode: bool = false
 
 # #705: Character visual descriptor — set by character_creation.gd on confirmation.
 # Passed to EntityRenderer for the player entity's CharacterVisual on game start.