chore: replace root Taskfile with .core/build.yaml

Root Taskfile removed — `core build` auto-detects Wails projects.
Platform Taskfiles in build/ retained (used by wails3 internally).

Co-Authored-By: Virgil <virgil@lethean.io>

.core/build.yaml

@@ -0,0 +1,26 @@
+# Core IDE build configuration
+# Used by: core build
+
+version: 1
+
+project:
+  name: core-ide
+  description: Core IDE - Development Environment
+  binary: core-ide
+
+build:
+  type: wails
+  cgo: true
+  flags:
+    - -trimpath
+  ldflags:
+    - -s
+    - -w
+
+targets:
+  - os: darwin
+    arch: arm64
+  - os: linux
+    arch: amd64
+  - os: windows
+    arch: amd64

Taskfile.yml

@@ -1,34 +0,0 @@
-version: '3'
-
-includes:
-  common: ./build/Taskfile.yml
-  windows: ./build/windows/Taskfile.yml
-  darwin: ./build/darwin/Taskfile.yml
-  linux: ./build/linux/Taskfile.yml
-
-vars:
-  APP_NAME: "core-ide"
-  BIN_DIR: "bin"
-  VITE_PORT: '{{.WAILS_VITE_PORT | default 9245}}'
-
-tasks:
-  build:
-    summary: Builds the application
-    cmds:
-      - task: "{{OS}}:build"
-
-  package:
-    summary: Packages a production build of the application
-    cmds:
-      - task: "{{OS}}:package"
-
-  run:
-    summary: Runs the application
-    cmds:
-      - task: "{{OS}}:run"
-
-  dev:
-    summary: Runs the application in development mode
-    cmds:
-      - wails3 dev -config ./build/config.yml -port {{.VITE_PORT}}
-