Key High/Low liquidity @sheersh

The Key High/Low ICT by @sheersh169sharma indicator is designed to identify key liquidity levels across multiple timeframes and custom trading sessions. It provides precise visualization of historical highs and lows to assist in technical analysis.

## Key Features
* Multi-Timeframe Support: Automatically plots Previous Day, Week, 4-Hour, and 1-Hour levels.
* Custom Sessions: Supports up to 6 independently configurable time windows.
* Precise Anchoring: Lines originate exactly from the time the high or low formed.
* Mitigation Logic: Options to terminate lines upon price interaction or extend them indefinitely.

## Configuration Guide

### Standard Timeframes
Users can toggle and customize the following levels:
* Previous Day High/Low
* Previous Week High/Low
* Previous 4-Hour High/Low
* Previous 1-Hour High/Low

Each level allows for customization of visibility, color, and line style (Solid, Dashed, Dotted).

### Custom Sessions
The indicator supports 6 distinct custom sessions, ideal for defining specific market hours (e.g., Asia, London, New York).

Setup Instructions:
1. Navigate to the desired Session group in settings (e.g., Session 1).
2. Enable the session.
3. Define the time range in HHMM-HHMM format (e.g., 0930-1600).
4. Assign custom labels for identification.
5. Select line colors and styles.

### Extension Logic
The "Extend until Mitigated Only" setting controls how lines are drawn:
* Disabled (Default): Lines extend from the custom timeframe to the current chart bar.
* Enabled: Lines terminate strictly at the point where price touches the level.

### Visual Settings
* Line Width: Adjusts the thickness of all indicator lines globally.
* Labels: Text labels are positioned to the right of the lines to maintain chart clarity.