feat: P5.5 dev inject + adapter-inspector demo + adapter smoke (P5 complete)

Dev-only POST /v1/dev/webhook/:type signs+injects a sample payload. apps/adapter-
inspector (Vite): inbound raw events + outbound commands/attempts, simulate-inbound
+ test-send buttons. smoke-adapter proves signed->normalized->interaction, bad-sig
401, sandboxed outbound (no network). 55 tests; all 4 smokes pass; boundary enforced.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

apps/adapter-inspector/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "lib": ["ES2022", "DOM"],
+    "jsx": "react-jsx",
+    "types": ["react", "react-dom"],
+    "noEmit": true
+  },
+  "include": ["src/**/*.ts", "src/**/*.tsx"]
+}