chore: upgrade Prisma 7, LangChain 1.x, Tailwind 4.2, Vue 3.5.29 and other deps

- Prisma 6 → 7: new prisma-client generator, prisma.config.ts, PrismaPg adapter, updated all imports
- LangChain 0.x → 1.x: @langchain/core, langgraph, openai
- Tailwind 4.1 → 4.2.1, daisyUI 5.5.19, Vue 3.5.29, ai 6.0.99, zod 4.3.6
- Fix MessageDirection bug in crm-updates.ts (OUTBOUND → OUT)
- Add server/generated to .gitignore

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

frontend/server/utils/prisma.ts

@@ -1,4 +1,5 @@
-import { PrismaClient } from "@prisma/client";
+import { PrismaClient, type ClientTimelineContentType } from "../generated/prisma/client";
+import { PrismaPg } from "@prisma/adapter-pg";
 
 declare global {
   // eslint-disable-next-line no-var
@@ -8,7 +9,7 @@ declare global {
 // ---------------------------------------------------------------------------
 // Auto-sync ClientTimelineEntry for CalendarEvent and FeedCard
 // ---------------------------------------------------------------------------
-const TIMELINE_MODEL_MAP: Record<string, string> = {
+const TIMELINE_MODEL_MAP: Record<string, ClientTimelineContentType> = {
   calendarEvent: "CALENDAR_EVENT",
   feedCard: "RECOMMENDATION",
 };
@@ -58,9 +59,12 @@ function timelineHook(model: string) {
   };
 }
 
+const adapter = new PrismaPg({ connectionString: process.env.DATABASE_URL! });
+
 const basePrisma =
   globalThis.__prisma ??
   new PrismaClient({
+    adapter,
     log: ["error", "warn"],
   });