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

drizzle/meta/_journal.json

@@ -5,9 +5,9 @@
     {
       "idx": 0,
       "version": "7",
-      "when": 1784889026419,
-      "tag": "0000_first_mauler",
+      "when": 1785317538917,
+      "tag": "0000_outstanding_zuras",
       "breakpoints": true
     }
   ]
-}
+}