feat: Phase 1 foundation - schema, auth, realtime, shell

- Rewrote Drizzle schema: 20 tables with enums, relations, indexes
- Generated migration with DROP TABLE records (v1 EAV removal)
- Added passkey auth routes (register/login)
- Added requireWorkspaceAccess helper
- Added seedDefaultData for Personal workspace + welcome note
- Updated SSE endpoint for v2 entities + workspace_id filtering
- Created recordActivity helper (insert + pg_notify)
- Updated sidebar: Graph replaces Reports, removed Analytics
- Updated command palette for v2 entities
- Created AGENTS.md with locked contract
- Created llm-wiki scaffold (5 stubs)
- Added inline AGENT INSTRUCTION comments to all 50 API route files
- Fixed globals.css border-border class conflict
- Updated database.ts stub for v1 compatibility

apps/web/lib/seed.ts

@@ -0,0 +1,67 @@
+import { db, domains, notes, users } from '@project-e/db';
+import bcrypt from 'bcryptjs';
+import { count, eq } from 'drizzle-orm';
+
+/**
+ * Seed the database with default data on first boot.
+ * Creates:
+ * - "Personal" workspace domain
+ * - Welcome note demonstrating wikilinks
+ */
+export async function seedDefaultData(): Promise<void> {
+  const [{ total }] = await db.select({ total: count() }).from(domains);
+
+  if (total > 0) {
+    return; // Already seeded
+  }
+
+  // Create Personal workspace
+  const [personalDomain] = await db
+    .insert(domains)
+    .values({
+      name: 'Personal',
+      slug: 'personal',
+      color: '#356bff',
+      icon: 'user',
+      sortOrder: 0,
+    })
+    .returning();
+
+  // Create welcome note
+  await db.insert(notes).values({
+    title: 'Welcome to Project E',
+    content: `# Welcome to Project E 🎉
+
+Your personal productivity OS is ready.
+
+## Getting Started
+
+- Use **Cmd+K** to open the command palette
+- Navigate to **Tasks**, **Habits**, **Projects**, or **Notes** from the sidebar
+- Create your first task with \`c t\` or click the + button
+
+## Features
+
+- **Tasks** — Full kanban board with drag-to-reorder, subtasks, dependencies, and time tracking
+- **Habits** — Streak tracking with mood logging and reminders
+- **Projects** — Milestone-based project management with sections
+- **Notes** — Markdown editor with [[wikilinks]] and backlinks
+- **Graph** — Visualize connections between all your entities
+- **Calendar** — See everything on a timeline
+- **Realtime** — Changes sync instantly across all open windows
+
+## Links
+
+- [[Tasks]] — View all tasks
+- [[Habits]] — View all habits
+- [[Projects]] — View all projects
+- [[Notes]] — View all notes
+
+> Tip: You can link to any entity using [[entity:title]] syntax in your notes.
+`,
+    domainId: personalDomain.id,
+    isPinned: true,
+  });
+
+  console.log('[seed] Default data created: Personal workspace + welcome note');
+}