chore: initial monorepo scaffold + WDS Phase 1+2 artifacts

- Nx 22.7 monorepo (pnpm 11.1, TypeScript 5.9, Node 24)
- apps/api: NestJS 11 (CJS conforme CODING-RULES.md PGD-DB-004)
- apps/web: React 19 + Vite 8 (ESM)
- libs/shared/api-interface: Zod contract base
- Docker Compose dev: Postgres 18, Valkey 8, MinIO, Mailpit
- WDS artifacts:
  - design-artifacts/A-Product-Brief/ (5 docs canônicos + 16 dialogs)
  - design-artifacts/B-Trigger-Map/ (hub + 4 personas + feature impact)
- Stack canon: STACK.md v2.2 + CODING-RULES.md v2.0 + brand.md
- AGENTS.md + README.md como entrada para devs/agentes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

nx.json

@@ -0,0 +1,120 @@
+{
+  "$schema": "./node_modules/nx/schemas/nx-schema.json",
+  "namedInputs": {
+    "default": ["{projectRoot}/**/*", "sharedGlobals"],
+    "production": [
+      "default",
+      "!{projectRoot}/.eslintrc.json",
+      "!{projectRoot}/eslint.config.{js,cjs,mjs,ts}",
+      "!{projectRoot}/**/?(*.)+(spec|test).[jt]s?(x)?(.snap)",
+      "!{projectRoot}/tsconfig.spec.json",
+      "!{projectRoot}/jest.config.[jt]s",
+      "!{projectRoot}/vitest.config.[jt]s",
+      "!{projectRoot}/src/test-setup.[jt]s",
+      "!{projectRoot}/test-setup.[jt]s",
+      "!{projectRoot}/eslint.config.mjs"
+    ],
+    "sharedGlobals": ["{workspaceRoot}/tsconfig.base.json", "{workspaceRoot}/.prettierrc.json"]
+  },
+  "targetDefaults": {
+    "build": {
+      "cache": true,
+      "dependsOn": ["^build"],
+      "inputs": ["production", "^production"]
+    },
+    "test": {
+      "cache": true,
+      "inputs": ["default", "^production"]
+    },
+    "lint": {
+      "cache": true,
+      "inputs": [
+        "default",
+        "{workspaceRoot}/.eslintrc.json",
+        "{workspaceRoot}/eslint.config.js",
+        "{workspaceRoot}/tools/eslint-rules/**/*"
+      ]
+    },
+    "e2e": {
+      "cache": true,
+      "inputs": ["default", "^production"]
+    },
+    "@nx/js:tsc": {
+      "cache": true,
+      "dependsOn": ["^build"],
+      "inputs": ["production", "^production"]
+    }
+  },
+  "defaultBase": "main",
+  "plugins": [
+    {
+      "plugin": "@nx/webpack/plugin",
+      "options": {
+        "buildTargetName": "build",
+        "serveTargetName": "serve",
+        "previewTargetName": "preview",
+        "buildDepsTargetName": "build-deps",
+        "watchDepsTargetName": "watch-deps",
+        "serveStaticTargetName": "serve-static"
+      }
+    },
+    {
+      "plugin": "@nx/eslint/plugin",
+      "options": {
+        "targetName": "lint"
+      }
+    },
+    {
+      "plugin": "@nx/jest/plugin",
+      "options": {
+        "targetName": "test"
+      },
+      "exclude": ["apps/api-e2e/**/*"]
+    },
+    {
+      "plugin": "@nx/vite/plugin",
+      "options": {
+        "buildTargetName": "build",
+        "testTargetName": "test",
+        "serveTargetName": "serve",
+        "devTargetName": "dev",
+        "previewTargetName": "preview",
+        "serveStaticTargetName": "serve-static",
+        "typecheckTargetName": "typecheck",
+        "buildDepsTargetName": "build-deps",
+        "watchDepsTargetName": "watch-deps"
+      }
+    },
+    {
+      "plugin": "@nx/vitest",
+      "options": {
+        "testTargetName": "test",
+        "ciTargetName": "test-ci",
+        "testMode": "watch"
+      }
+    },
+    {
+      "plugin": "@nx/playwright/plugin",
+      "options": {
+        "targetName": "e2e"
+      }
+    }
+  ],
+  "generators": {
+    "@nx/react": {
+      "application": {
+        "babel": true,
+        "style": "css",
+        "linter": "eslint",
+        "bundler": "vite"
+      },
+      "component": {
+        "style": "css"
+      },
+      "library": {
+        "style": "css",
+        "linter": "eslint"
+      }
+    }
+  }
+}