Docs: Create NAMING_CONVENTIONS.md to standardize naming across the Aether project.

NAMING_CONVENTIONS.md

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+# Aether Project Naming Conventions
+
+## 1. General Principles
+*   **Clarity:** Names should clearly convey their purpose and meaning.
+*   **Consistency:** Adhere strictly to these guidelines across the entire codebase.
+*   **Readability:** Prioritize names that are easy to read and understand.
+*   **Conciseness:** Avoid unnecessary verbosity, but not at the expense of clarity.
+
+## 2. File Naming
+*   **Logic/Service Files:** `ae_<module>__<concept>.ts` (e.g., `ae_core__account.ts`, `ae_events__event.ts`)
+*   **Database Definition Files:** `db_<module>.ts` (e.g., `db_core.ts`, `db_journals.ts`)
+*   **Svelte Store Files:** `ae_<module>_stores.ts` (e.g., `ae_core_stores.ts`, `ae_journals_stores.ts`)
+*   **Svelte Components:**
+    *   **Module-specific components:** `ae_comp__<module>__<component_name>.svelte` (e.g., `ae_comp__events__event_card.svelte`)
+    *   **Generic/reusable components:** `element_<component_name>.svelte` (e.g., `element_input_file.svelte`, `element_qr_scanner_v2.svelte`)
+*   **SvelteKit Routes:** Follow SvelteKit's standard routing conventions (e.g., `+page.svelte`, `+layout.svelte`, `[id]/+page.svelte`).
+*   **CSS Files:** `ae-<module>-<purpose>.css` (e.g., `ae-c-idaa-light.css`, `ae-osit-default.css`)
+
+## 3. Function and Variable Naming
+*   **Style:** Strictly `snake_case` for all function and variable names.
+    *   **Deprecated:** `camelCase` should be refactored to `snake_case`.
+*   **Prefixes:**
+    *   `load_ae_obj_id__<object_type>`: For loading a single Aether object by ID.
+    *   `load_ae_obj_li__<object_type>`: For loading a list of Aether objects.
+    *   `create_ae_obj__<object_type>`: For creating an Aether object.
+    *   `update_ae_obj__<object_type>`: For updating an Aether object.
+    *   `delete_ae_obj_id__<object_type>`: For deleting an Aether object by ID.
+    *   `db_save_ae_obj_li__<object_type>`: For saving a list of Aether objects to IndexedDB.
+    *   `db_update_ae_obj_id__<object_type>`: For updating an Aether object in IndexedDB.
+    *   `process_ae_obj__<object_type>_props`: For module-specific data transformation functions.
+    *   **Deprecated:** Ambiguous `handle_` prefixes should be replaced with more descriptive `snake_case` names (e.g., `handle_submit_form` -> `submit_form`).
+
+## 4. Object and Property Naming
+*   **Singularity:** Use singular nouns for objects and properties (e.g., `example.id`, not `examples.id`).
+*   **IDs:**
+    *   `id`: Primary key for an object (internal use, often a UUID).
+    *   `<object_type>_id`: Specific ID for an object (e.g., `person_id`).
+    *   `<object_type>_id_random`: Randomly generated ID for an object (often used for external exposure or URL parameters).
+    *   `account_id`, `site_id`, `user_id`, etc.: Foreign keys.
+*   **Common Properties:**
+    *   `code`: Short, unique identifier.
+    *   `name`: Display name.
+    *   `description`: Longer text description.
+    *   `enable`: Boolean for active/inactive status.
+    *   `hide`: Boolean for visibility.
+    *   `priority`: Numeric value for ordering.
+    *   `sort`: Numeric value for ordering.
+    *   `group`: Categorization string.
+    *   `notes`: General notes/comments.
+    *   `created_on`: Timestamp of creation.
+    *   `updated_on`: Timestamp of last update.
+*   **Special Use Properties:** `for_type`, `for_id`, `archive_on`, `passcode`, `external_id`.
+*   **Config/JSON Properties:** `cfg_json`, `data_json`, `linked_li_json`.
+*   **Special Generated Fields (Client-side):** `tmp_sort_1`, `tmp_sort_2`, `tmp_sort_3` (for client-side sorting).
+
+## 5. List Suffixes
+*   **Simple Arrays:** Use `_li` suffix for simple, unordered arrays (e.g., `user_li`, `hosted_file_id_li`).
+*   **Key-Value Maps/Objects:** Use `_kv` suffix for key-value objects/maps (e.g., `user_kv`, `hosted_file_obj_kv`).
+
+## 6. Interface and Type Naming
+*   **Style:** Use `PascalCase` for interface and type names (e.g., `Account`, `HostedFile`, `GenericCrudArgs`).
+
+## 7. Constants
+*   **Style:** Use `SCREAMING_SNAKE_CASE` for constants (e.g., `MAX_RETRIES`, `DEFAULT_TIMEOUT`).
+
+## 8. CSS Classes and IDs
+*   **Style:** Use `kebab-case` for CSS classes and IDs (e.g., `my-component-class`, `main-header-id`).
+
+## 9. Data Sorting
+*   **Standard Order:** `group > priority > sort > updated_on/created_on`
+*   **Specific Order:** `type > start_date/time > code or name`
+
+## 10. Local Storage and IndexedDB Keys
+*   **Local Storage:**
+    *   `api`
+    *   `app` (global)
+    *   `core` (core modules)
+    *   `<module>` (extended modules)
+    *   `<custom>` (custom modules)
+*   **IndexedDB:**
+    *   `ae_core_db`
+    *   `<module>`
+    *   `<custom>`