feat: Third pass aligning core experience with IntelliJ IDEA

Project & files
- Project view modes (Project Files / Open Files / All Changed Files /
  Scratches); External Libraries for Python, JDK (src.zip), Node, Cargo, Go,
  Maven/Gradle jars; read-only jar/zip browsing
- ⌘N New popup with type search and more file kinds; New Project, Rename
  Project, Reload All from Disk, Export/Import Settings, Power Save Mode
- File type associations, extra content roots and exclude patterns (indexed
  and watched without reopening the project)

Editor & navigation
- Find bar: search scope (comments/strings), Preserve Case, Exclude, multiline,
  history; Find in Files: Module scope, custom pattern scopes, multiline
- Search Everywhere filters, Assign Shortcut, settings results; named bookmark
  lists, file/folder bookmarks; Structure filters and Show Inherited; Recent
  Locations timestamps and breadcrumbs; Code Vision author
- Completion options, editor tab placement/layout, inline completion (LSP 3.18)
- Spell checking (Typo inspection, ide-spell) and Inspections settings with
  custom profiles; Code Style schemes, formatter markers, Do not format

Run, VCS, services, database
- Typed run configurations (Shell, Program, npm, Gradle, Maven, Docker,
  Compound), Modify options, Before launch, env dialog, Current File,
  Emulate terminal (PTY)
- Git log graph/view options, Go to Hash/Branch/Tag, date filter keeps the
  graph; Pull/Merge/Rebase dialogs, Manage Remotes, Worktrees
- Generic Services host (Docker connections/registries, run sessions); TODO
  scope/changes tabs with changelists; Coverage report import
- Data sources: wire-compatible vendors, URL import, SSL certs, Options,
  Schemas and Advanced tabs, color and comment

Workbench
- Run Anything, Customize Main Toolbar, named tool window layouts, menu
  completeness, Code Cleanup, macros, "Don't Show Again", editor banners
- Chinese translations for the new UI

Claude-Session: https://claude.ai/code/session_01SaPPsVPuk6ZTNsoUCNCbMv

src/features/code-insight/problemsStore.test.ts

@@ -6,6 +6,7 @@ import {
   countSeverities,
   fileDiagnostics,
   mergeDiagnostics,
+  profiledProblems,
   projectCounts,
   useProblems,
   worstSeverity,
@@ -69,3 +70,14 @@ describe("store + decorations", () => {
     expect(deco.get("/p/src/a.rs")).toEqual({ error: true, propagate: true, tooltip: "1 error, 1 warning" });
   });
 });
+
+describe("profiledProblems", () => {
+  it("applies the inspection profile per producer", () => {
+    let raw = mergeDiagnostics(new Map(), "/a", "ra", [d(1), d(2, "warning")]);
+    raw = mergeDiagnostics(raw, "/b", "eslint", [d(3)]);
+    const out = profiledProblems(raw, { "lsp:eslint": { enabled: false }, "lsp:ra": { severity: "weakWarning" } });
+    expect([...out.keys()]).toEqual(["/a"]);
+    expect(fileDiagnostics(out, "/a").map((x) => x.severity)).toEqual(["info", "info"]);
+    expect(fileDiagnostics(profiledProblems(raw, {}), "/b")).toHaveLength(1);
+  });
+});