remove codeigniter

docs/api_base_api_controller_plan.md

@@ -5,7 +5,7 @@
 - **Purpose**: shared API conveniences:
   - Standard success/error JSON envelope helpers
   - Request payload normalization (JSON body vs query/form)
-  - Validation helper compatible with legacy CodeIgniter-like rules
+  - Validation helper compatible with legacy-style rules
   - Lightweight pagination helper for arrays/query builders
   - Current-user resolution helpers (id + role list)
 
@@ -18,14 +18,14 @@
 
 ### Request normalization
 - Stores the underlying Laravel request as `laravelRequest`.
-- Wraps it in `CiRequestAdapter` as `$this->request` for compatibility patterns.
+- Wraps it in `request adapter` as `$this->request` for compatibility patterns.
 - `payloadData()`:
   - Uses JSON-decoded body when present and valid
   - Falls back to merged query + form data
 
 ### Validation
 - `validateRequest($data, $rules)`:
-  - Normalizes CodeIgniter-like rule strings into Laravel rules via `normalizeRules()`.
+  - Normalizes legacy-like rule strings into Laravel rules via `normalizeRules()`.
   - Saves validator to `$this->validator`.
   - Returns `[]` on success, or `errors()->toArray()` on failure.
 - `validate($rules)` validates against `payloadData()` and returns boolean.
@@ -63,4 +63,3 @@
 - `getCurrentUser()`:
   - No auth → `null`
   - Role query failure → returns user with empty roles and logs error
-