Quaternius weapons, input fixes, sound & path fixes

- Added 6 Quaternius weapon models (Pistol, Revolver, Rifle, Shotgun, P90, SniperRifle)
- Created weapon resource files with balanced stats
- Wired Pistol + Rifle into player.tscn replacing Kenney blasters
- Fixed WASD input (matched input map action names)
- Fixed Escape key toggles mouse capture
- Added Audio autoload singleton
- Fixed broken sound asset paths across all scripts
- Fixed all scene ext_resource text paths (nested under assets/kenney-fps/)
- Fixed all .import source_file paths
- Deleted stale .import files (will be regenerated by editor on open)

package/dist/utils/autoload-ini.d.ts

@@ -0,0 +1,38 @@
+/**
+ * Parsing and editing primitives for the `[autoload]` section of project.godot.
+ *
+ * Used by:
+ *  - tools/autoload-tools.ts — list/add/remove/update_autoload handlers
+ *  - utils/bridge-manager.ts — McpBridge inject/cleanup/repair
+ *
+ * Pure functions: each takes the absolute path to project.godot and returns
+ * either parsed data or a boolean indicating whether the file was mutated.
+ */
+export interface AutoloadEntry {
+    name: string;
+    path: string;
+    singleton: boolean;
+}
+/**
+ * Matches an empty `[autoload]` section (the header followed by only blank
+ * lines, up to the next section header or end-of-file). Used by cleanup paths
+ * to drop the section after the last entry is removed.
+ */
+export declare const EMPTY_AUTOLOAD_SECTION_REGEX: RegExp;
+/**
+ * Mirrors the parser's `\w+` assumption (parseAutoloads / removeAutoloadEntry).
+ * Enforced on write paths to prevent a name with newlines or INI section
+ * delimiters from corrupting project.godot.
+ */
+export declare const VALID_AUTOLOAD_NAME_REGEX: RegExp;
+export declare function normalizeAutoloadPath(p: string): string;
+export declare function parseAutoloads(projectFilePath: string, existingContent?: string): AutoloadEntry[];
+export declare function addAutoloadEntry(projectFilePath: string, name: string, path: string, singleton: boolean, existingContent?: string): void;
+/**
+ * Remove the named autoload entry. Also drops the `[autoload]` section header
+ * if the removed entry was the last one in it. Returns true when the file was
+ * mutated.
+ */
+export declare function removeAutoloadEntry(projectFilePath: string, name: string): boolean;
+export declare function updateAutoloadEntry(projectFilePath: string, name: string, newPath?: string, singleton?: boolean): boolean;
+//# sourceMappingURL=autoload-ini.d.ts.map