Add Context Studio Wizard — project scaffolding CLI

- wizard.sh: interactive bash wizard that scaffolds new CS projects
- lib/: utils, core install, project structure, workflow generation
- templates/: Dockerfile, devcontainer.json, agent presets (minimal/standard), system.json, roles, hook rules
- README: setup, usage, mobility workflow

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

templates/devcontainer.json

@@ -0,0 +1,36 @@
+{
+  "name": "{{PROJECT_NAME}}",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "workspaceMount": "source=${localWorkspaceFolder},target=/workspace,type=bind,consistency=cached",
+  "workspaceFolder": "/workspace",
+  "mounts": [
+    "source=${localEnv:HOME}/.context-studio/core,target=/opt/context-studio/core,type=bind,consistency=cached",
+    "source=${localEnv:HOME}/.anthropic,target=/root/.anthropic,type=bind,consistency=cached"
+  ],
+  "remoteEnv": {
+    "ANTHROPIC_API_KEY": "${localEnv:ANTHROPIC_API_KEY}",
+    "CS_CORE_DIR": "/opt/context-studio/core",
+    "CS_WORKFLOW_DIR": "/workspace/workflow",
+    "PROJECT_ROOT_DIR": "/workspace",
+    "DISPLAY": "${localEnv:DISPLAY}"
+  },
+  "postCreateCommand": "cd /opt/context-studio/core && npm install && git config --global --add safe.directory /workspace && git config --global --add safe.directory /opt/context-studio/core",
+  "runArgs": [
+    "--init",
+    "--cap-add=SYS_PTRACE",
+    "--security-opt", "seccomp=unconfined"
+  ],
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "rust-lang.rust-analyzer",
+        "ms-vscode.cpptools"
+      ],
+      "settings": {
+        "terminal.integrated.defaultProfile.linux": "bash"
+      }
+    }
+  }
+}