Fix grammar & typos: correct stub path, migration path, and tree diagrams

docs/advanced/api-reference.mdx

@@ -225,7 +225,7 @@ Static proxy to the `PromptManager` singleton.
 | `Deck::get(string $name, ?int $version = null)`              | `PromptTemplate` | Load a prompt by name and optional version. |
 | `Deck::active(string $name)`                                 | `PromptTemplate` | Load the active version of a prompt.        |
 | `Deck::versions(string $name)`                               | `array`          | List all versions for a prompt.             |
-| `Deck::activate(string $name, string $version)`              | `bool`           | Activate a specific version.                |
+| `Deck::activate(string $name, int $version)`                 | `bool`           | Activate a specific version.                |
 | `Deck::track(string $name, int $version, array $data)`       | `void`           | Record a prompt execution.                  |
 
 ---

docs/advanced/testing.mdx

@@ -238,7 +238,7 @@ protected function defineEnvironment($app): void
 
 protected function defineDatabaseMigrations(): void
 {
-    $this->loadMigrationsFrom(__DIR__ . '/../src/database/migrations');
+    $this->loadMigrationsFrom(__DIR__ . '/../src/Database/migrations');
 }
 ```
 

docs/core/make-prompt.mdx

@@ -276,7 +276,7 @@ The default stubs are located in the package's `stubs/` directory.
 
 ### Custom stubs
 
-To customise the stubs for your project, create a `stubs/prompt-deck/` directory at your application root and place your own versions of any stub file there:
+To customise the stubs for your project, create a `stubs/deck/` directory at your application root and place your own versions of any stub file there:
 
 ```
 your-app/

docs/getting-started/configuration.mdx

@@ -68,10 +68,10 @@ Currently, only the `directory` strategy is supported. Each version is stored in
 ```
 resources/prompts/order-summary/
 ├── v1/
-    └── system.md
+│   └── system.md
 ├── v2/
-    ├── system.md
-    └── user.md
+│   ├── system.md
+│   └── user.md
 └── metadata.json
 ```
 

docs/getting-started/introduction.mdx

@@ -34,7 +34,7 @@ This creates the following structure:
 resources/prompts/
 └── order-summary/
     ├── v1/
-        └── system.md
+    │   └── system.md
     └── metadata.json
 ```
 

docs/integrations/ai-sdk.mdx

@@ -119,9 +119,9 @@ The `HasPromptTemplate` trait bridges Deck's file-based templates with the Larav
 ```
 prompts/sales-coach/
 ├── v1/
-    ├── system.md          → instructions()
-    ├── user.md            → promptMessages()
-    └── metadata.json
+│   ├── system.md          → instructions()
+│   ├── user.md            → promptMessages()
+│   └── metadata.json
 └── v2/
     ├── system.md          → instructions()  (active version)
     ├── user.md            → promptMessages()