chore: remove create-expert e2e test suite

.github/workflows/e2e.yml

@@ -47,8 +47,6 @@ jobs:
           - suite: cli-streaming
             # Streaming event tests (~50s)
             files: e2e/perstack-cli/streaming.test.ts
-          - suite: create-expert
-            files: e2e/create-expert
     steps:
       - name: Checkout
         uses: actions/checkout@v6

e2e/README.md

@@ -25,8 +25,6 @@ bun test e2e/ -- --testNamePattern "delegate"
 
 ```
 e2e/
-├── create-expert/                       # Create expert tests
-│   └── create-expert.test.ts            # Expert creation and modification
 ├── perstack-cli/                        # perstack CLI tests
 │   ├── bundled-base.test.ts             # Bundled base skill
 │   ├── continue.test.ts                 # Continue job, resume from checkpoint
@@ -61,15 +59,6 @@ e2e/
 
 ## Functional Test Categories
 
-### create-expert/
-
-#### Create Expert (`create-expert.test.ts`)
-
-| Test                                      | Purpose                                   |
-| ----------------------------------------- | ----------------------------------------- |
-| `should create a new perstack.toml`       | Verify new expert creation via delegation |
-| `should modify an existing perstack.toml` | Verify existing experts are preserved     |
-
 ### perstack-cli/
 
 #### Continue Job (`continue.test.ts`)