conductor(plan): Update phase 4 status

conductor/tracks/context_preview_fixes_20260516/plan.md

@@ -24,12 +24,12 @@ Focus: Verify `render_ast_inspector_modal` is called correctly and integrates wi
 - [x] Task 3.2: Ensure `render_ast_inspector_modal(app)` is called in `render_context_modals` and uses correct popup lifecycle
 - [x] Task 3.N: Write tests for Inspect button opening AST Inspector modal
 
-## Phase 4: Integration & Regression Testing
+## Phase 4: Integration & Regression Testing [in_progress]
 
 Focus: Ensure all three buttons work in concert and no regressions in context composition panel.
 
-- [ ] Task 4.1: Run existing context composition tests to verify no regressions
-- [ ] Task 4.2: Verify batch operations (Full/Summary/Skeleton/Outline/Masked/None) still work
-- [ ] Task 4.3: Verify Add Files, Del buttons still work
+- [x] Task 4.1: Run existing context composition tests to verify no regressions
+- [x] Task 4.2: Verify batch operations (Full/Summary/Skeleton/Outline/Masked/None) still work
+- [x] Task 4.3: Verify Add Files, Del buttons still work
 - [ ] Task 4.4: Full render test suite (batch of 4)
 - [ ] Task 4.X: Conductor - User Manual Verification

config.toml

@@ -53,11 +53,6 @@ Response = false
 "Tool Calls" = false
 Theme = true
 "Log Management" = false
-Diagnostics = false
-"Context Preview" = false
-"External Tools" = false
-"Shader Editor" = false
-"Undo/Redo History" = false
 
 [theme]
 palette = "Nord Dark"