🤖 tests: isolate project settings + right sidebar stories from app shell

[jaaydenh]

Summary

Migrates the app-level App.projectSettings.stories.tsx into two colocated component-level story files and decouples ImmersiveReviewView.stories.tsx from app-level meta. All stories now render components directly with minimal provider harnesses — no AppWithMocks, no appMeta, no AppStory.

Background

App-level stories navigate through the full app shell (click settings button → MCP tab → interact) which is slow, flaky across Storybook remounts, and couples tests to app-shell routing. Component-level stories render the target component directly, making them faster, more stable, and easier to maintain.

Implementation

Project settings split (14 scenarios → 2 files):

• MCPSettingsSection.stories.tsx (7 scenarios) — renders the settings section directly with ThemeProvider + TooltipProvider + APIProvider + ExperimentsProvider + PolicyProvider
• WorkspaceMCPModal.stories.tsx (7 scenarios) — renders the modal in open state directly with additional RouterProvider + SettingsProvider
• Deleted App.projectSettings.stories.tsx
• All app-shell navigation helpers (openProjectSettings, openWorkspaceMCPModal, createWorkspaceMCPModalScope) replaced with direct component rendering

ImmersiveReviewView decoupling:

• Replaced ...appMeta spread + AppStory type with local Meta<typeof ImmersiveReviewView> and StoryObj<typeof meta>
• Explicit layout: "fullscreen" and chromatic parameters instead of inheriting from app meta

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Generated with mux • Model: anthropic:claude-opus-4-6 • Thinking: xhigh • Cost: $9.37

[jaaydenh]

@codex review

[chatgpt-codex-connector]

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[jaaydenh]

@codex review

Fixed the stale-client issue in both story shells — now tracking the setup function reference and recreating the ORPC client when it changes between story exports.

[jaaydenh]

@codex review

Please take another look.