Portal backend: Facebook OAuth, social features, portal comments

- Facebook Login OAuth (meta-web auth service + routes)
- Account linking (merge Quest metaId + Facebook facebookId)
- User profile updates (bio, isPublic, displayName)
- Social endpoints: follow/unfollow, feed (trending/following/recent), likes
- Portal comments via WebSocket (subscribe_portal, send_portal_comment)
- Prisma migration: Follow, Like models, facebookId/bio/isPublic on User
- Provider OAuth source=web redirect support for portal callbacks
- Docker compose portal service, CORS multi-origin support

prisma/migrations/20260302101146_add_social_features/migration.sql

@@ -0,0 +1,57 @@
+-- CreateTable
+CREATE TABLE "Follow" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "followerId" TEXT NOT NULL,
+    "followingId" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "Follow_followerId_fkey" FOREIGN KEY ("followerId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "Follow_followingId_fkey" FOREIGN KEY ("followingId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "Like" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "userId" TEXT NOT NULL,
+    "planId" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "Like_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "Like_planId_fkey" FOREIGN KEY ("planId") REFERENCES "StreamPlan" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- RedefineTables
+PRAGMA defer_foreign_keys=ON;
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_User" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "metaId" TEXT,
+    "facebookId" TEXT,
+    "displayName" TEXT NOT NULL,
+    "email" TEXT,
+    "avatarUrl" TEXT,
+    "bio" TEXT NOT NULL DEFAULT '',
+    "isPublic" BOOLEAN NOT NULL DEFAULT false,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL
+);
+INSERT INTO "new_User" ("avatarUrl", "createdAt", "displayName", "email", "id", "metaId", "updatedAt") SELECT "avatarUrl", "createdAt", "displayName", "email", "id", "metaId", "updatedAt" FROM "User";
+DROP TABLE "User";
+ALTER TABLE "new_User" RENAME TO "User";
+CREATE UNIQUE INDEX "User_metaId_key" ON "User"("metaId");
+CREATE UNIQUE INDEX "User_facebookId_key" ON "User"("facebookId");
+PRAGMA foreign_keys=ON;
+PRAGMA defer_foreign_keys=OFF;
+
+-- CreateIndex
+CREATE INDEX "Follow_followerId_idx" ON "Follow"("followerId");
+
+-- CreateIndex
+CREATE INDEX "Follow_followingId_idx" ON "Follow"("followingId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Follow_followerId_followingId_key" ON "Follow"("followerId", "followingId");
+
+-- CreateIndex
+CREATE INDEX "Like_planId_idx" ON "Like"("planId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Like_userId_planId_key" ON "Like"("userId", "planId");