feat: resizable sidebar, issue detail rewrite, package consolidation

- Add drag-to-resize sidebar with localStorage persistence
- Rewrite issue detail page with Tiptap rich text editor, due date picker, acceptance criteria
- Redesign create-issue modal with pill-based property toolbar and expand/collapse
- Consolidate @multica/sdk and @multica/types into apps/web/shared/
- Simplify auth: remove verification codes, PATs, email service (dev-only login)
- Add 401 unauthorized handler to redirect expired sessions to login
- Fix due date format to send full RFC3339 timestamps
- Increase description editor debounce to 1500ms
- Remove arbitrary Tailwind values in create-issue modal
- Renumber migrations (inbox_actor 012→009), remove unused migrations
- UI polish across agents, settings, inbox, knowledge-base pages

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/web/next.config.ts

@@ -1,11 +1,6 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  transpilePackages: [
-    "@multica/sdk",
-    "@multica/types",
-    "@multica/utils",
-  ],
 };
 
 export default nextConfig;