build(devcontainer): Theos サイドカーコンテナと開発環境を整備

- Theos ビルド用サイドカーコンテナを追加 (.devcontainer/theos/)
- VSCode tasks.json に Theos ビルド・mitmproxy タスクを追加
- .envrc にデバイス IP / UIポート設定を追加
- .envrc.local.example を新規追加

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

.devcontainer/devcontainer.json

@@ -1,5 +1,5 @@
 {
-    "name": "Frida Container",
+    "name": "Mobile RE Toolkit",
     "dockerComposeFile": [
         "compose.yaml"
     ],
@@ -7,11 +7,18 @@
     "workspaceFolder": "/home/vscode/app",
     "shutdownAction": "stopCompose",
     "remoteUser": "vscode",
+    "containerEnv": {
+        "CLAUDE_CONFIG_DIR": "/home/vscode/.claude"
+    },
     "mounts": [
-        "source=${env:HOME}/home/vscode/.ssh,target=/.ssh,type=bind,consistency=cached,readonly"
+        "source=${env:HOME}/.aws,target=/home/vscode/.aws,type=bind,consistency=cached,readonly",
+        "source=${env:HOME}/.claude,target=/home/vscode/.claude,type=bind,consistency=cached",
+        "source=${env:HOME}/.ssh,target=/home/vscode/.ssh,type=bind,consistency=cached,readonly",
+        "source=${env:HOME}/.mitmproxy,target=/home/vscode/.mitmproxy,type=bind,consistency=cached"
     ],
     "remoteEnv": {
         "WAKATIME_API_KEY": "${localEnv:WAKATIME_API_KEY}",
+        "GH_TOKEN": "${localEnv:GH_TOKEN}",
         "UV_LINK_MODE": "copy"
     },
     "features": {
@@ -21,10 +28,30 @@
         "ghcr.io/devcontainers/features/common-utils:2": {
             "configureZshAsDefaultShell": true
         },
+        "ghcr.io/devcontainers/features/python:1": {
+            "version": "3.12"
+        },
         "ghcr.io/devcontainers/features/github-cli:1": {},
         "ghcr.io/jsburckhardt/devcontainer-features/uv:1": {},
-        "ghcr.io/christophermacgown/devcontainer-features/direnv:1": {}
+        "ghcr.io/stu-bell/devcontainer-features/claude-code:0": {},
+        "ghcr.io/christophermacgown/devcontainer-features/direnv:1": {},
+        "ghcr.io/devcontainers/features/node:1": {
+            "version": "25.9.0"
+        },
+        "ghcr.io/shyim/devcontainers-features/bun:0": {},
+        "ghcr.io/devcontainers/features/java:1": {
+            "version": "21",
+            "installMaven": false,
+            "installGradle": false
+        },
+        "ghcr.io/devcontainers/features/docker-in-docker:2": {
+            "moby": false
+        },
+        "ghcr.io/devcontainers/features/docker-outside-of-docker:1": {
+            "moby": false
+        }
     },
+    "forwardPorts": [],
     "postAttachCommand": "/bin/sh .devcontainer/postAttachCommand.sh",
     "postCreateCommand": "/bin/sh .devcontainer/postCreateCommand.sh",
     "customizations": {
@@ -45,10 +72,11 @@
                 "ms-python.python",
                 "pHofer94.vscode-taskviewexplorer",
                 "redhat.vscode-yaml",
+                "swiftlang.swift-vscode",
                 "tamasfe.even-better-toml",
                 "vsls-contrib.gitdoc"
             ],
             "settings": {}
         }
     }
-}
+}