fix: resolve RedisCache array offset error and improve discovery diagnostics

- Fix RedisCache driver to handle MGET failures gracefully with fallback
- Add comprehensive discovery context comparison debug tools
- Identify root cause: WEB context discovery missing 166 items vs CLI
- WEB context missing RequestFactory class entirely (52 vs 69 commands)
- Improved exception handling with detailed binding diagnostics

src/Framework/Config/Environment.php

@@ -10,6 +10,9 @@ use BackedEnum;
 
 final readonly class Environment
 {
+    /**
+     * @param array<string, mixed> $variables
+     */
     public function __construct(
         private array $variables = []
     ) {
@@ -91,6 +94,9 @@ final readonly class Environment
         return $this->get($key) !== null;
     }
 
+    /**
+     * @return array<string, mixed>
+     */
     public function all(): array
     {
         return array_merge(
@@ -162,6 +168,9 @@ final readonly class Environment
         return new self($variables);
     }
 
+    /**
+     * @param array<string, mixed> $variables
+     */
     public function withVariables(array $variables): self
     {
         return new self(array_merge($this->variables, $variables));