Restore fuzzy project folder search and desktop browsing (#1968)

* fix(projects): restore folder search and browsing

* fix(projects): preserve fuzzy search edge cases

* test(projects): move picker cleanup into fixture

* fix(projects): preserve absolute path descendants

* test(server): compare canonical search paths

* fix(projects): anchor root path suggestions

* fix(projects): anchor Windows root suggestions

* fix(projects): anchor directory search paths

* test(server): canonicalize directory search root

* fix(app): anchor rooted basename suggestions

* refactor(search): unify directory suggestions

Use one parameterized daemon search engine for project paths and workspace entries. Keep local recommendations as a small client overlay and remove unnecessary response metadata.

* fix(search): preserve filesystem root semantics

Accept absolute queries through configured root aliases while keeping traversal and output canonical. Keep blank suffix browsing matcher-independent and avoid metadata-keyed listing caches where Windows cannot invalidate them reliably.

packages/app/package.json

@@ -22,6 +22,7 @@
     "test": "vitest run",
     "test:browser": "vitest run --project browser",
     "test:e2e": "playwright test --project='Desktop Chrome'",
+    "test:e2e:desktop": "cross-env E2E_DESKTOP_RUNTIME=1 playwright test --project='Desktop Chrome' e2e/project-picker-desktop.spec.ts",
     "test:e2e:real": "cross-env E2E_FORK_PASEO_HOME_FROM=../../.dev/paseo-home playwright test --project=real-provider",
     "test:e2e:ui": "playwright test --ui",
     "build": "npm run build:web",